Honeywell Heat/1Cool User Guide
Honeywell Heat/1Cool - T841A1563 Premier 2 Stage Thermostat Manual
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- Honeywell Heat/1Cool | User Guide - Page 1
Heat Pump Thermostat & Cross Reference Selection Guide - Honeywell Heat/1Cool | User Guide - Page 2
, front-wired construc- tion for easy installation. T8411 Standard Electronic Non-Programmable Thermostat • Microelectronic technology provides precise zero-droop performance. • Attractive styling complements any décor. • Two heat/one cool; manual changeover eliminates unexpected system operation - Honeywell Heat/1Cool | User Guide - Page 3
for Using This Heat Pump Cross Reference ... 33 Wiring Connections for Honeywell Heat Pump Thermostats 34-35 Manufacturer Cross Reference ...36-116 Index ...117-118 Index to Figure Diagrams ... 119 About This Cross Reference/Selection Guide Heat pumps require thermostats with special features - Honeywell Heat/1Cool | User Guide - Page 4
E,X,X2,L Stages Systems Heat Cool Switch Changeover 2 1 EM.HT.- Manual heat HEAT-OFF- or cool COOL 2 1 EM.HT.- Manual cool HEAT-OFF- COOL Led Indication EM.HT.d, AUX.HT. EM.HT., AUX. HT. 2 1 EM.HT.- Manual heat EM.HT., HEAT-OFF- or cool AUX. HT. COOL 2 1 EM.HT.- Manual heat EM.HT - Honeywell Heat/1Cool | User Guide - Page 5
HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE Order Number Y594R1763 Y594R1797 T8611G1004 T8611G1103 T8611M7008 T8611R1000 T8411R1002 T8411R1028 T8511G1021 T8511G1047 T8511M1002 T8011R1006 T8011R1014 Table 1. Model Number Specifications (continued). Description Terminals Stages Systems - Honeywell Heat/1Cool | User Guide - Page 6
HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE Table 1. Model Number Specifications (continued). Order Number Description Terminals Stages Systems Heat Cool homeowner to HVAC maintenance or service needs. Led Indication CHECKe FAILf CHECKe FAILf CHECKe FAILf CHECKe FAILf CHECKg SYSTEMb 70-6627 - Honeywell Heat/1Cool | User Guide - Page 7
: All Honeywell electronic heat pump thermostats are droopless controls and do not require the use of outdoor reset. Electronic Non-programmable Heat Pump Thermostats T8411 Electronic Heat Pump Thermostats The T8411 models control two-stage heat and one-stage cool in heat pump systems, using manual - Honeywell Heat/1Cool | User Guide - Page 8
HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE T8511 Deluxe Electronic Heat Pump Thermostats The T8511 models control two-stage heat and one-stage cool in heat pump systems, using manual or automatic changeover. First stage heat anticipation is fixed; second stage heat anticipation is - Honeywell Heat/1Cool | User Guide - Page 9
HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE Chronotherm IV Electronic Deluxe Heat Pump Thermostats The T8611 Chronotherm IV thermostat models provide up to three-stage heat and two-stage cool control for heat pump systems, using manual or automatic changeover. These models provide full 7- - Honeywell Heat/1Cool | User Guide - Page 10
HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE Equipment Equipment Function Terminals Power R 1st Stage Cool Y1 2nd Stage Cool Y2 Fan G 1st Stage Heat W1 2nd Stage Heat W2 Transformer Common C T8611M Terminals R Y2 G W2 C Y Heating Changeover B O R8222B Relay B M13231 Fig. - Honeywell Heat/1Cool | User Guide - Page 11
models, follow the wiring diagram shown below. Connecting the thermostat and relay to the equipment in this manner disables the fan switch in the emergency heat mode. During normal operation, the fan switch is enabled and the fan operation is as described in the installation instructions. R (Power - Honeywell Heat/1Cool | User Guide - Page 12
HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE Existing Control Equipment Function Terminal Designation Common Black Power Red Emergency Heat New Terminal Designation C R A L E M13241 Fig. 6. Relay wiring connections for Evcon/Coleman equipment (3200, 3300). Requires R8222B1067 - Honeywell Heat/1Cool | User Guide - Page 13
HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE Existing Control Equipment Function Terminal Designation Power VR System Monitor L New Terminal Designation R L or X1 or F M13238 Fig. 9. Relay wiring connections for Lennox equipment (HP16, HP19, HP21, HP22 Direct Replacements). Requires - Honeywell Heat/1Cool | User Guide - Page 14
PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE Equipment Equipment Function Terminals Transformer Common C Power R Fan G 1st Stage Heating W1 1st Stage Cooling Y1 Changeover Valve B PC8900 Terminals C R G O/B Y1/W1 2nd Stage Heating W2 Aux. Emergency Heat E E 2nd Stage Cooling - Honeywell Heat/1Cool | User Guide - Page 15
subbase. The system monitor relay may be wired to the L terminal on some thermostats Each mercury switch is identified by function: H1-Stage 1 Heating. H2-Stage 2 Heating. H3-Stage 3 Heating. C1-Stage 1 Cooling. C2-Stage 2 Cooling. C3-Stage 3 Cooling. C/O-Changeover (heat pumps). Each anticipator - Honeywell Heat/1Cool | User Guide - Page 16
HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE NEMA Standard Transformers Give You Better Control UL sets the safety standards all transformers must meet. But these are minimum standards. The Honeywell AT20A, AT40A, AT72D and AT87A Transformers do even more; they meet tough voluntary - Honeywell Heat/1Cool | User Guide - Page 17
HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE Typical System Hookup Diagrams L1 L2 (HOT) RTD 1 1 ODT 1 H1 C1 FALL H1/C1 ANTICIPATOR FAN SWITCH AUTO ON G R EHR 1 RTD 2 ODT 2 EHR 2 RTD 3 FAN RELAY H2 ANTICIPATOR H2 FALL 2 EM. HT. HEAT OFF COOL SYSTEM SWITCH 1 POWER SUPPLY. - Honeywell Heat/1Cool | User Guide - Page 18
OVERLOAD PROTECTION AS REQUIRED. COMPRESSOR MONITOR R OUTDOOR THERMOSTAT X2 T OUTDOOR O THERMISTOR COOL CHANGEOVER RELAY COMPRESSOR CONTACTOR Y 2 FIELD REMOVABLE JUMPER. 3 AUTO FAN IN EMERGENCY HEAT. Fig. 17. Internal schematic and typical wiring diagram for T841A1555. L1 (HOT) L2 1 M8728 - Honeywell Heat/1Cool | User Guide - Page 19
HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE H1/C1 ANTICIPATOR H1 C1 FALL FAN SWITCH AUTO ON W1 HEAT RELAY 1 W2 HEAT RELAY 2 B HEAT CHANGEOVER VALVE G FAN RELAY H2 ANTICIPATOR H2 FALL SYSTEM SWITCH HEAT OFF COOL 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS - Honeywell Heat/1Cool | User Guide - Page 20
HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE FALL 1 H1 ANTICIPATOR 2 H1 4 6 H2 ANTICIPATOR H2 FALL RISE 8 C1 9 C1 ANTICIPATOR 10 11 RISE CO 12 FAN SWITCH AUTO ON SYSTEM SWITCH OFF EM. HT. HEAT AUTO COOL O COOL CHANGEOVER VALVE G B RELAY FAN RELAY B R E EM. HT. RELAY L EM. HT. LED ( - Honeywell Heat/1Cool | User Guide - Page 21
X2 OUTDOOR THERMOSTAT O COMPRESSOR CONTACTOR Y OUTDOOR SENSOR COOL CHANGEOVER VALVE M8701 Fig. 23. Internal schematic and typical wiring diagram for Y594R1763. 2 H1 AND C1 ANTICIPATOR 3 H1 FALL FALL C1 4 H2 ANTICIPATOR H2 6 FAN SWITCH AUTO ON SYSTEM SWITCH EM. HT. HEAT OFF R L EM. HEAT LED - Honeywell Heat/1Cool | User Guide - Page 22
HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE W3 W3 RELAY H1 ANTICIPATOR 1 C ANTICIPATOR 2 FAN SWITCH AUTO ON H1 3 C FALL 4 5 H2 ANTICIPATOR H2 6 FALL SYSTEM SWITCH EM. HT. HEAT OFF COOL 11 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 2 REMOVE - Honeywell Heat/1Cool | User Guide - Page 23
HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE 2 POWER SUPPLY THERMOSTAT LOGIC CIRCUIT SUBBASE LOGIC/ CONTROL CIRCUIT FAN SWITCH ON AUTO HIGH LIMIT EM. HT. LED (RED) R C/X AUX. HT. LED (GREEN) L HEAT 2 MONITOR W2 AUX. HT. RELAY FAN RELAY G SYSTEM SWITCH EM. HT. RELAY E EM. HT. - Honeywell Heat/1Cool | User Guide - Page 24
OF SYSTEM TRANSFORMER SWITCH TO C (COMMON) SIDE OF SYSTEM TRANSFORMER SWITCH IN SECONDARY OF SEPARATE TRANSFORMER 3 SOME OLDER HEAT PUMP THERMOSTATS USE THERMOSTAT CABLE, 200 FT. (61 M) MAXIMUM LENGTH. ROUTE INTERCONNECT CABLE AWAY FROM SOURCES OF ELECTRICAL NOISE. Fig. 27. Typical wiring diagram - Honeywell Heat/1Cool | User Guide - Page 25
SYSTEM WITH ISOLATED STAGE 1 HEATING AND COOLING CONNECTIONS. 3 DENOTES THERMOSTAT TO SUBBASE INTERCONNECT. DEFROST CONTROL M6019A Fig. 28. Typical wiring diagram for T8611R1000. L1 (HOT) L2 1 THERMISTOR SENSOR THERMOSTAT LOGIC STAGE 2 RELAY STAGE 1 RELAY SYSTEM SWITCH EM. HT. HEAT OFF COOL - Honeywell Heat/1Cool | User Guide - Page 26
FIELD CONFIGURABLE TO SELECT ENERGIZED IN HEATING OR COOLING. (DEFAULT IS ENERGIZED IN HEATING). 3 REMOVE JUMPER, WHEN SUPPLIED, FOR SYSTEMS WITH SEPARATE HEATING COMPRESSOR CONTACTOR (W1 SEPARATE FROM Y1). CHECK LED (RED) L OT OT Fig. 30. Typical wiring diagram for T8511G. COMPRESSOR MONITOR TO - Honeywell Heat/1Cool | User Guide - Page 27
. 3 INSTALLER CONFIGURABLE. FACTORY DEFAULT IS O-ENERGIZED IN COOL MODE. 4 FACTORY-INSTALLED JUMPER; REMOVE IF A HEAT RELAY IS CONNECTED TO W1. 3 O/B G FAIL LED (RED) X1 X2 CHECK LED (RED) L OT 2 OT Fig. 31. Typical wiring diagram for T8611G2002 and T8611G2028. CHANGEOVER VALVE FAN RELAY - Honeywell Heat/1Cool | User Guide - Page 28
/SELECTION GUIDE Electronic Thermostat (T8011, T8411, T8511, T8611) Sequences of Operation T8011 Programmable Heat Pump Thermostat and T8411 Electronic Heat Pump Thermostat Sequence of Operation The Fan, Heat and Cool outputs are relay controlled. A loss of ac power, or a change in the SYSTEM - Honeywell Heat/1Cool | User Guide - Page 29
HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE T8511 Deluxe Electronic Heat Pump Thermostat Sequence of Operation The thermostat energizes specific terminals depending on the Fan and System Settings. The LCD will display symbols and words to report the condition of system. See Table 3 for - Honeywell Heat/1Cool | User Guide - Page 30
Chronotherm IV Deluxe Programmable Heat Pump Thermostat Sequence of Operation The thermostat energizes specific terminals depending on the Fan and System Settings. The LCD will display the time, room temperature, system and fan selection. Symbols will be displayed when the heating, cooling or fan is - Honeywell Heat/1Cool | User Guide - Page 31
HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE Thermostat Manufacturer Cross Reference MANUFACTURER MODEL NUMBER HONEYWELL REPLACEMENT American Stabilisa HP-1 T841A1712, Y594R1425, Y594G1419, T8411, T8511, T8011, T8611R, T8611G HP-1EF HP-10EFb T841A1712, Y594R1425, Y594G1419, T8411, - Honeywell Heat/1Cool | User Guide - Page 32
HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE MANUFACTURER MODEL NUMBER General Electrica 3AAT86B21A1 3AAT86B14A1 , T8411, T8511, T8011, T8611 Y594G1161, T8411, T8511, T8011, T8611 HONEYWELL REPLACEMENT T841A1316, Y594R1425, T8411, T8511, T8011, T8611G T841A1712, Y594G1419, T8411 - Honeywell Heat/1Cool | User Guide - Page 33
HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE MANUFACTURER MODEL NUMBER HONEYWELL REPLACEMENT Tranea,b Single-Stage Heat Pump BAY28X182/BAY28X185 (T874A1184/Q674B1141) T874A1036/Q674B1075 BAY28X182/BAY28X187 (T874A1184/Q674E1033) T874A1036/Q674C1058 BAYSTAT009 (T874A1085/Q674B1018) - Honeywell Heat/1Cool | User Guide - Page 34
HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE MANUFACTURER MODEL NUMBER White Rodgersa Single-Stage Heat Pump IF56-444 IF93-36 Multistage Heat Pump IC70- a See page 108 for hookup details. HONEYWELL REPLACEMENT T8034C1234 T8600C1162 T841A1001, Y594G1252 T874D1165/Q674F1022 Y594G1419 - Honeywell Heat/1Cool | User Guide - Page 35
performance and from manual changeover to the convenience of automatic heat/cool changeover and to a Chronotherm® IV thermostat that puts the heat pump to work to save money. Best of all, you can upgrade to the PC8900/W8900B1002 Perfect Climate Comfort Center™ Control System. This one comfort center - Honeywell Heat/1Cool | User Guide - Page 36
HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE Electronmechanical Chronotherm® III Electronic Compressor Y 1st Stage - Heat Ƹ Auxiliary W2 Heat Fan G C/O Valve B Heat C/O Valve O Cool System Monitor/ - Sytem Defrost Em. Heat E Multiple Heat W3 Loads · LED Indication - Honeywell Heat/1Cool | User Guide - Page 37
when thermostat is in Em. Ht. position. ¾ Do not remove factory-installed jumper. µ If multiple auxiliary heat loads are used, connect to W2 (Aux W8900B) terminal. ¸ Used on two-speed compressor heat pump applications. ¹ Used on heat pumps that energize the compressor on both first stage cooling and - Honeywell Heat/1Cool | User Guide - Page 38
heat loads are used, connect to W2 (Aux W8900B) terminal. º Configure O/B (select models) in Installer Setup. ¾ When W2 is not used, configure W2 cycle rate to NC. µ LED is energized when terminal is powered. M13172 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART - Honeywell Heat/1Cool | User Guide - Page 39
Cool O ³ O O or O/B O ³ O or O/B ³ O/B System Monitor/ X System Defrost » » ¿ ¿ » ¿ » » L X1 L L L L L L EM. Heat E E E E E E E E E E Multiple Aux. - Heat is powered. ¿ L terminal is powered continuously when thermostat is in Em. Ht. position. ´ Terminal X - Honeywell Heat/1Cool | User Guide - Page 40
B Heat C/O Valve O O O O Cool G G G G G G or ³ ³ or ³ B B B O/B B B O/B O/B or ³ or ³ ³ O O O O/B O O O/B O/B System Monitor/ L System Defrost · L · X1 L» » L · L » L · L L· EM. Heat E E E E ³ E E E E E E Multiple Aux. W3 W3 W3 W3 Heat Loads - Honeywell Heat/1Cool | User Guide - Page 41
R R Compressor Y Y 1st Stg. Heat W1 - Aux. Heat or W2 W1 W2 Fan G G C/O Valve B B Heat C/O Valve O O Cool System Monitor/ or L X System Defrost X R Y ´ W1 W2 thermostat is in Em. Ht. position. M13144 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART - Honeywell Heat/1Cool | User Guide - Page 42
Rh or R R Rc Compressor Y Y 1st Stg. Heat - - Aux. Heat W2 W2 Fan G G C/O Valve or B W1 B Heat C/O Valve O O Cool System Monitor/ L System Defrost X R Y ² W1 W2 G B X R thermostat is in Em. Ht. position. M13145 70-6627 • 40 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL - Honeywell Heat/1Cool | User Guide - Page 43
Y1 ¶ W1 W2 C R Y1/W1 - · Aux. Fan G G C/O Valve B B Heat C/O Valve Y1 or O O Cool System Monitor/ L or F System Defrost G G B B O O ¸ L G G G G G G ³ ³ ³ B thermostat is in Em. Ht. position. M13146 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART - Honeywell Heat/1Cool | User Guide - Page 44
W1 W2 R Y1 ² W1 W2 R Y1/W1 - · Aux. Fan G G C/O Valve B B Heat C/O Valve O O Cool System Monitor/ System Defrost » or F L G G B B O O G G G G G G ³ or ³ or thermostat is in Em. Ht. position. M13147 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART - Honeywell Heat/1Cool | User Guide - Page 45
heat LED indication, jumper X2 to E. » Relay required (R8222B1067 typically) for T8511M, T8611M, PC8900/W8900B1002 application. See page 9 for wiring diagram. Heat Mode. º LED is energized when terminal is powered. M13148 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART - Honeywell Heat/1Cool | User Guide - Page 46
auxiliary heat and system switch is in AUTO position, equipment operates in cool mode only. ¾ LED is energized when terminal is powered. µ L terminal is powered continuously when thermostat is in Em. Ht. position. M13149 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART - Honeywell Heat/1Cool | User Guide - Page 47
. W2 Heat Relay Fan G C/O Valve O Cool C/O Valve - Heat System Monitor/ L System Defrost EM. Heat E Multiple Aux. - Heat Loads ³ heat is auxiliary (electric resistive), connect auxiliary stage to W3. M13150 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART - Honeywell Heat/1Cool | User Guide - Page 48
Heat C/O Valve O O O O Cool ¿ G B O ¿ G B ¿ G ´ B or O/B ´ O O or O/B ¿ G ¿ G ´ B B or O/B O O or ´ O/B G¿ ´ O/B ´ O/B ² ² ² ¶ ¶ ² ¶ ² ² System Monitor/ A L L L L L L L L L System To eliminate automatic fan in emergency heat mode, connect switching relay as - Honeywell Heat/1Cool | User Guide - Page 49
on X1 and X2 terminals. ¸ If multiple auxiliary heat loads are used, connect to W2 (Aux W8900B) terminal. ¹ L terminal is powered continuously when thermostat is in Em. Ht. position. M13152 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER T874G1915/Q674F1212 T874R1921/Q674L1207 70-6627 - Honeywell Heat/1Cool | User Guide - Page 50
W2 R ² Y1/W1 - ¿ Aux. NOT AVAILABLE Fan G C/O Valve B Heat System Monitor/ L System Defrost G G B B º º L X1 G B ¾ L G G or ¶ B B O/B ¾ º L L G G G ¶ or ¶ B B O/B O/B ¾ º º L L L EM. Heat E Multiple Aux. W3 Heat Loads » C/O Valve O Cool E E W3 W3 - Honeywell Heat/1Cool | User Guide - Page 51
G G 2nd Stage Comp. » HP2 » C/O Valve B B B B Heat » C/O Valve O O O O Cool G µ Y2 B O G G G ³ or B B O/B B ³ or O O O/B O G Y2 ³ O/B ³ O/B System Monitor/ - - L X1 L System Defrost L L L L EM. Heat - E E E E E E E E Multiple Aux. - W3 W3 W3 - Honeywell Heat/1Cool | User Guide - Page 52
B O Cool (5) O O C/O Valve - B Heat B B ³ System Monitor/ System Defrost ³ (3) E L L L EM. Heat ³ ³ (10) A E E E LED Indication (3) X - - - ³ R8222B1067 relays required to operate system. Equipment requires normally energized emergency heat. See page 10 for wiring diagram - Honeywell Heat/1Cool | User Guide - Page 53
LED indication activated with completed circuit on X1 and X2 terminals. ¿ R8222B1067 relays required to operate system. Equipment requires normally energized emergency heat. See page 10 for wiring diagram. ´ Terminal must be connected to the transformer common. ² Terminal is for multiple auxiliary - Honeywell Heat/1Cool | User Guide - Page 54
R Compressor Y 1st Stage - Heat Auxiliary W2 Heat Fan G C/O Valve B Heat C/O Valve O Cool System Monitor/ L System Defrost Em. Heat E 2nd Stage - Compressor R thermostat is in Em. Ht. position. M13157 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART - Honeywell Heat/1Cool | User Guide - Page 55
T8611R1000 only. ¸ Models 3700, 3900 and 6500 require connection of O and B terminals. ¹ When W2 is not used, configure W2 cycle rate to NC. M13174 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART NUMBER) T8611R1059 (3600A-381) 70-6627 • 53 - Honeywell Heat/1Cool | User Guide - Page 56
Y1 · W1 R ¿ Y1/W1 - ¶ W2 Aux. NOT AVAILABLE Fan G C/O Valve - Heat C/O Valve - Cool System Monitor/ L or Z System Defrost G G B B O º L O º X1 G B O ¾ L G G G thermostat is in Em. Ht. position. M13158 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART - Honeywell Heat/1Cool | User Guide - Page 57
- µ W2 W2 W2 W2 W2 W2 W2 W2 Aux. Fan G C/O Valve - Heat C/O Valve or W O Cool System Monitor/ X System Defrost EM. Heat - G G G B B B O E¿ O · L ¿ E O · X1 E¿ G B O ¾ L E¿ G G ³ or B B O/B ³ or O O O/B ¾ · L L ¿ ¿ E E G G ³ or B B O/B ³ or - Honeywell Heat/1Cool | User Guide - Page 58
W2 W2 W2 Aux. Fan G C/O Valve B Heat C/O Valve O Cool System Monitor/ L System Defrost G G G G G G G G G thermostat is in Em. Ht. position. µ When W2 is not used, configure W2 cycle rate to NC. M13179 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART - Honeywell Heat/1Cool | User Guide - Page 59
W2 W2 W2 W2 W2 Aux. Fan G C/O Valve - Heat C/O Valve O Cool System Monitor/ F System Defrost G G G - - - O ¶ F O ¶ Heat B - - - - - - - - - Outdoor T T T T · · · · · · Sensor or Outdoor W2 X2 X2 X2 X2 E Thermostat Electric thermostat thermostat - Honeywell Heat/1Cool | User Guide - Page 60
O O O O ¾ or O O O/B O ¾ or O O/B ¾ O/B Cool System Monitor/ F or L System Defrost L¸ ¸ X1 ¹ L ¹ ¸ ¹ ¸ ¸ L L L L L EM. Heat - - - - - - - - - - Outdoor T ³ ³ ³ » » » » » » Sensor or Outdoor E X2 E E E E E E E E E Thermostat Defrost Control - Honeywell Heat/1Cool | User Guide - Page 61
W2 Aux. Fan G C/O Valve B Heat C/O Valve O Cool System Monitor/ L System Defrost G G G G G G G thermostat is in Em. Ht. position. µ LED is energized when terminal is powered. ¸ When W2 is not used, configure W2 cycle rate to NC. M13182 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL - Honeywell Heat/1Cool | User Guide - Page 62
HEAT CONTROLLER/COMFORT AIR - - Heat Aux. Heat W2 W2 Fan G G C/O Valve - B Heat C/O Valve Y1 O Cool System X Monitor ¿ EM. Heat E E Multiple Aux. - W3 Heat Loads » when thermostat is in Em. Ht. position. M13217 TYPICAL THERMOSTATS AND SUBBASES-HONEYWELL MODEL NUMBER - Honeywell Heat/1Cool | User Guide - Page 63
Heat C/O Valve O O O O O ³ or O O O/B O ³ or O O/B ³ O/B Cool System - - L - L L L L L L Monitor EM. Heat E E E E E E E E E E Multiple Aux. - Heat to NC. M13218 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER T872G1232/Q672F1224 T874G1105/Q674F1097 T874G1105 - Honeywell Heat/1Cool | User Guide - Page 64
Y ² W1 W2 W2 W2 R R Y1 ² W1 Y1/W1 - ¹ W2 Aux. Fan G G C/O Valve B B Heat ¾ C/O Valve O O Cool ¾ System L1 or X1 or L Monitor G G B B O O µ L G B O ¸ L G G G ³ or B B O/B B ³ or O O O/B O /Q672F1208 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER - Honeywell Heat/1Cool | User Guide - Page 65
, sequencers, or relays. ¶ Remove factory-installed jumper for independent first stage heat and cool operation. M13187 T872A-D/Q672F1000 T872A-D/Q672F1026 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER T872A-D/Q672F1042 T874A-D/Q674F1006 T874A-D/Q674F1048 T874R1616/Q674L1587 T872C - Honeywell Heat/1Cool | User Guide - Page 66
HONEYWELL RETAIL HEAT PUMP THERMOSTATS Electromechanical ² ² W1 W1 W1 W2 W2 W2 R Y1 ² W1 R » Y1/W1 - ´ W2 Aux. Fan G C/O Valve B Heat C/O Valve O Cool System L Monitor G G G B B B O O O ¶ L G B O º L G G ³ or B B O/B ³ or O O O/B º L ¶ L G G ³ or - Honeywell Heat/1Cool | User Guide - Page 67
Stage - Heat - - - Aux. Heat W W W W Fan G G G G Outdoor T Thermistor T T T Outdoor X2 X2 X2 X2 Thermostat Cooling O Changeover System F Monitor continuously when thermostat is in Em. Ht. position. M13189 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER - Honeywell Heat/1Cool | User Guide - Page 68
Y1/W1 - W2 Aux. · Fan G G C/O Valve W1 B Heat C/O Valve - O Cool System L Monitor Em. Heat E or K E G G B B O O µ L E E G B O ¸ L E G G ᕡ B B or O/B ᕡ O O or O/B ¸ L when thermostat is in Em. Ht. position. M13190 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL - Honeywell Heat/1Cool | User Guide - Page 69
Heat G G G or » » B B O/B O/B C/O Valve O O O O O Cool O or » O O/B O/B » System Monitor/ L L º L º L º L º L Sytem Defrost ¶ L ¶ L Em. Heat E E E E E E E E Multiple - Heat . M13244 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER T874R1491 - Honeywell Heat/1Cool | User Guide - Page 70
R Y1 · W1 R ² Y1/W1 ¶ W2 Aux. NOT AVAILABLE Fan G C/O Valve B Heat C/O Valve O Cool System Monitor/ L System Defrost G G B B O O º L G G G G G G or ¿ or ¿ thermostat is in Em. Ht. position. M13159 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART - Honeywell Heat/1Cool | User Guide - Page 71
Heat Aux. Heat W2 or W W2 R Y ² W1 R Y1 ² W1 R Y1 or Y ² W1 W2 W2 W2 R Y ² W1 R Y1 ² W1 W2 W2 R Y ² W1 W2 R R Y1 ² W1 Y1/W1 - º W2 Aux. Fan G G C/O Valve B B Heat C/O Valve O O Cool System TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART NUMBER - Honeywell Heat/1Cool | User Guide - Page 72
Heat C/O Valve - Cool System Z Monitor O » L O » L O » L Em. Heat K E E E LED Indication - - - - 2nd Stage - Compressor - - - 2nd Stage - Cool is powered continuously when thermostat is in Em. Ht. position. º To eliminate auto fan in emergency heat mode, add switching - Honeywell Heat/1Cool | User Guide - Page 73
C C C C C Power R Compressor Y 1st Stage - Heat Aux. Heat W2 Fan G C/O Valve B Heat C/O Valve O Cool System L Monitor R R R R R R R R R Y Field-installed X2 to X jumper provided. º If multiple auxiliary heat loads are used, connect to W2 (Aux W8900B) terminal. ¾ - Honeywell Heat/1Cool | User Guide - Page 74
´ ´ Thermistor Em. Heat ² K X2 X2 X2 C/O Valve W1 Cool System Monitor/ Z System Defrost O O O Heat mode, see page 9. ¶ Use Aux terminal for Auxiliary heat and configure W2 cycle rate to NC. º LED is energized when terminal is powered. ¾ L terminal is powered continuously when thermostat - Honeywell Heat/1Cool | User Guide - Page 75
or B terminal, not both. º If multiple auxiliary heat loads are used connect to W2 (Aux W8900B) terminal. ¾ When W2 is not used, configure W2 cycle rate to NC. M13223 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART NUMBER) T872G1109/Q672F1117 (080-13708-52/080-13708-53 - Honeywell Heat/1Cool | User Guide - Page 76
. » Terminal is for multiple auxiliary heat loads such as contactors, sequencers, or relays. ¿ Terminal X (C,B) must be connected to transformer common. ´ Leave factory-installed jumper in place. Y2 M13193 70-6627 • 74 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER T874R1814/Q674L1132 - Honeywell Heat/1Cool | User Guide - Page 77
as shown on page 78. µ When replacing models with one compressor terminal (M), jumper Y1 to W1. ¸ When W2 is not used, configure W2 cycle rate to NC. M13161 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER T872G1026/Q672E1019 T872G1067/Q672E1142 (P-8-11222) T872R1040/Q672B1202 - Honeywell Heat/1Cool | User Guide - Page 78
Heat Auxiliary W2 Y Y W2 W2 Heat Fan G F F G G C/O Valve - - R O O Cool SystemMonitor/ X1 - - - - System Defrost Em. Heat separate transformers are used, replace with one 75 VA transformer as shown on page 78. ´ When replacing models with one compressor terminal, jumper Y1 to W1. - Honeywell Heat/1Cool | User Guide - Page 79
diagram - B Heat C/O Valve R O Cool System Monitor/ System Defrost L» system monitor light (emergency ¾ If separate transformers are used, replace with one 75 VA transformer, as heat LED) on TRADELINE replacement thermostats THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART - Honeywell Heat/1Cool | User Guide - Page 80
DEFROST RELAY REVERSING VALVE EMERGENCY HEAT RELAY 3 HEAT RELAY NO. 1 SERVICE LIGHT THERMOSTAT THERMISTOR OUTDOOR THERMOSTAT R O DEFROST RELAY E E X X Y W2 L L (X1) 1 TAPE OFF X X2 A VR R HEAT RELAY NO. 2 HEAT RELAY NO. 1 (AUX) EMERGENCY HEAT RELAY STEP REPLACE FORMER INDOOR - Honeywell Heat/1Cool | User Guide - Page 81
with one 75 VA transformer. See page 78 for wiring diagram. º Configure O/B (select models) in Installer Setup. ¾ LED is energized when terminal is powered. µ L terminal is powered continuously when thermostat is in Em. Ht. position. M13156 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL - Honeywell Heat/1Cool | User Guide - Page 82
with one 75 Va transformer as shown on page 78. ¶ R8222B1067 Relay required to operate system monitor light (emergency heat LED) on TRADELINE replacement thermostats. is powered. M13164 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART NUMBER) T874C1448/Q674L1355 (24F5101 - Honeywell Heat/1Cool | User Guide - Page 83
or M Y Y 1st Stage - - Heat Auxiliary or or Y W W2 W2 Heat Fan or F G G C/O Valve or - B B Heat C/O Valve or R O O Cool System Monitor/ System Defrost ² EM. Heat »² L E E X R Y º Heat Position. M13165 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART - Honeywell Heat/1Cool | User Guide - Page 84
or B B O/B B ³ or ³ B O/B O/B Heat C/O Valve O O O O O or ³ O O O/B O ³ or O O/B ³ O/B Cool System Monitor/ - - L - L L L L L L System Defrost EM. Heat or X E E E E E E E E E E Multiple Aux. - W3 W3 W3 ¶ ¶ ¶ ¶ ¶ ¶ Heat Loads » LED Indication - Honeywell Heat/1Cool | User Guide - Page 85
- - - - - ³ IMPORTANT: No provision for emergency heat, system monitor (compressor fault), or auxiliary heat LEDs. · Terminal C (X) must be connected to transformer common. » Remove Y1 (Y) to W1 (W) jumper. ¿ L terminal is powered continuously when thermostat is in Em. Ht. position. ´ LED is - Honeywell Heat/1Cool | User Guide - Page 86
Y 1st Stage - - Heat Aux. Heat W W2 R R R Y Y1 Y1 or Y ¶ ¶ ¶ W1 W1 W1 W2 W2 W2 R Y ¶ W1 R Y1 ¶ W1 R Y ¶ W1 W2 W2 W2 R R Y1 ¶ W1 Y1/W1 - ¹ W2 Aux. Fan G G G G C/O Valve - Heat B B B C/O Valve O Cool O O O System Monitor/ ´ X1 L System Defrost ᕤ EM - Honeywell Heat/1Cool | User Guide - Page 87
Heat - W1 W1 W1 ¿ Aux. Heat W2 W2 W2 W2 W2 W1 W1 W1 W1 - µ W2 W2 W2 W2 Aux. Fan G G C/O Valve B B Heat C/O Valve O O Cool System Monitor/ System Defrost ´ ¿ or X ´ L EM. Heat Emergency Heat Position. M13169 T834C2135 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL - Honeywell Heat/1Cool | User Guide - Page 88
HEAT PUMP THERMOSTAT R R Y1 ´ W1 Y1/W1 - µ W2 Aux. Fan G C/O Valve B Heat C/O Valve O Cool System Monitor/ L System Defrost G G G B B B O O O ¹ L G G G G thermostat is in Em. Ht. position. M13194 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART - Honeywell Heat/1Cool | User Guide - Page 89
multiple auxiliary heat loads are used, connect to W2 (Aux W8900B) terminal. ¹ LED is energized when terminal is powered. Ƹ L terminal is powered continuously when thermostat is in Em. Ht. position. M13195 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART NUMBER) T874G1378 - Honeywell Heat/1Cool | User Guide - Page 90
multiple auxiliary heat loads are used, connect to W2 (Aux W8900B) terminal. ¾ LED is energized when terminal is powered. µ L terminal is powered continuously when thermostat is in Em. Ht. position. M13196 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART NUMBER) T841A1183 - Honeywell Heat/1Cool | User Guide - Page 91
R R Y1 ² W1 Y1/W1 - · W2 Aux. Fan G C/O Valve B Heat C/O Valve O Cool System Monitor/ L System Defrost G G G B B B O O O º L G G G G transformer common. ´ If multiple auxiliary heat loads are used, connect to terminal is powered continuously when thermostat is in Em. Ht - Honeywell Heat/1Cool | User Guide - Page 92
R Y ² W1 W2 W2 W2 R R Y1 ² W1 Y1/W1 - ᕢ W2 Aux. Fan G C/O Valve B Heat C/O Valve O Cool System L Monitor G G G B B B O O O ¾ L G G G G G G B ᕡ B B or O/B B ᕡ B or O/B is powered continuously when thermostat is in Em. Ht. position. M13198 70-6627 • 90 - Honeywell Heat/1Cool | User Guide - Page 93
Power R Compressor Y 1st Stage - Heat Aux. Heat W2 Fan G C/O Valve B Heat C/O Valve O Cool System L Monitor R R R R or heat loads are used, connect to W2 (Aux W8900B) terminal. ¾ LED is energized when terminal is powered. µ L terminal is powered continuously when thermostat - Honeywell Heat/1Cool | User Guide - Page 94
Aux. Fan G G G G G C/O Valve B B B B B Heat C/O Valve O O O O O Cool System Monitor/ µ L ¾ L ¸ L System Defrost µ ² ² ² Em. Heat E E E E E G G ³ or B B O/B ³ or L terminal is powered continuously when thermostat is in Em. Ht. position. M13171 70-6627 • 92 - Honeywell Heat/1Cool | User Guide - Page 95
W2 Aux. Fan G C/O Valve - Heat C/O Valve O Cool System Monitor/ L System Defrost Outdoor W3 Thermistor/ Sensor G Honeywell C815A1005. ¶ When W2 is not used, configure W2 cycle rate to NC. º LED is energized when terminal is powered. ¾ L terminal is powered continuously when thermostat - Honeywell Heat/1Cool | User Guide - Page 96
If multiple auxiliary heat loads are used, connect to W2 (Aux W8900B) terminal. ¾ LED is energized when terminal is powered. µ L terminal is powered continuously when thermostat is in Em. Ht. position. M13200 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART NUMBER) T841A1399 - Honeywell Heat/1Cool | User Guide - Page 97
W2 Aux. Fan G G C/O Valve B B Heat C/O Valve O O Cool System Monitor/ L System Defrost Em. Heat or K E E G G B B O thermostat is in Em. Ht. position. ᕨ LED is energized when terminal is powered. M13201 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART - Honeywell Heat/1Cool | User Guide - Page 98
W2 Aux. NOT AVAILABLE NOT AVAILABLE Fan G C/O Valve B Heat C/O Valve O Cool System Monitor/ System Defrost Em. Heat L or K E LED Indication X2 2nd Stage - Compressor thermostat is in Em. Ht. position. M13202 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART - Honeywell Heat/1Cool | User Guide - Page 99
Heat W1 W1 W1 W1 - ² Aux. Heat W or W1 W W W W2 W2 W2 W2 W2 Aux. Fan G G G G C/O Valve - - - - Heat C/O Valve O O O O Cool System Monitor/ F System thermostat is in Em. Ht. position. M13225 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART - Honeywell Heat/1Cool | User Guide - Page 100
Y1 Y Y Y 1st Stage W1 - - - Heat Aux. Heat W2 W W W Fan G G G G C/O Valve B - - - Heat C/O Valve O Cool System Monitor/ L System Defrost O O O ¶ ¶ ¶ F F F powered. º L terminal is powered continuously when thermostat is in Em. Ht. position. M13226 70-6627 • 98 - Honeywell Heat/1Cool | User Guide - Page 101
R R Y1 ´ W1 Y1/W1 - ¹ W2 Aux. Fan G G C/O Valve - B Heat C/O Valve O O Cool System Monitor/ F System Defrost Outdoor or T H ³ Sensor G G B B O º L O º X1 ³ is powered continuously when thermostat is in Em. Ht. position. µ If multiple auxiliary heat loads are used, - Honeywell Heat/1Cool | User Guide - Page 102
Valve B B B B Heat C/O Valve O O O O Cool º System Monitor/ L L System Defrost G G G G heat loads are used, connect to W2 (Aux W8900B) terminal. ¸ Configure O/B (select models) in Installer Setup. M13228 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART - Honeywell Heat/1Cool | User Guide - Page 103
R R R R R Compressor Y 1st Stage - Heat Aux. Heat W2 Fan G C/O Valve B Heat C/O Valve O Cool System Monitor/ L System Defrost Y Y Y - - - W2 W2 W2 thermostat is in Em. Ht. position. M13205 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART - Honeywell Heat/1Cool | User Guide - Page 104
1st Stage - - Heat Aux. Heat or W2 E W2 Fan G G C/O Valve B B Heat C/O Valve or O Y1 O Cool System Monitor/ or L X System Defrost R R R heat loads are used, connect to W2 (Aux W8900B) terminal. M13209 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER OR CUSTOMER PART - Honeywell Heat/1Cool | User Guide - Page 105
R Y1 ² W1 Y1/W1 - · W2 Aux. Fan G G C/O Valve - B Heat C/O Valve or Y1 O O Cool System Monitor/ X System Defrost G G B B O O ¿ L G G G G G G ³ or ³ or ³ B B B O/B B M13222 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART NUMBER) - Honeywell Heat/1Cool | User Guide - Page 106
Fan G G C/O Valve B B Heat C/O Valve O O Cool System Monitor/ L or L1 System Defrost G G B B O ¿ heat loads are used, connect to W2 (Aux W8900B) terminal. µ L terminal is powered continuously when thermostat is in Em. Ht. position. M13210 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL - Honeywell Heat/1Cool | User Guide - Page 107
Stage - Cool C/O Valve - Heat C/O Valve - Cool - - - - - - - Y2 or or B B B B B O/B B B O/B O/B or or O O O O O O/B O O O/B O/B System Monitor/ - System Defrost L X1 L L L L L L Em. Heat E E E E E E E E E Multiple Aux. - Heat Loads » W3 - Honeywell Heat/1Cool | User Guide - Page 108
or B B O/B B ³ or B O/B ³ O/B Heat C/O Valve - O O O O ³ or O O O/B O ³ or O O/B ³ O/B Cool System Monitor/ - System Defrost Em. Heat - - ¿ E L E¿ - E¿ L ¿ E L ¿ E L ¿ E L ¿ E L ¿ E L ¿ E Multiple Aux. - W3 W3 W3 ¶ ¶ ¶ ¶ ¶ ¶ Heat Loads » LED Indication - Honeywell Heat/1Cool | User Guide - Page 109
Y1 Compressor Stage 2 Y2 2nd Stage Heat - Auxiliary 3rd - Stage Heat R W1 » Y1 Y2 ² W2 - Fan G G C/O Valve O O Cool C/O Valve B Heat System Monitor/ L System Defrost » º X2 Em. Heat W E LED Indication - - ³ When subbase system switch is in AUTO position, equipment will - Honeywell Heat/1Cool | User Guide - Page 110
is powered. ¾ L terminal is powered continuously when thermostat is in Em. Ht. position. µ Optional LED indication activated with completed circuit on X1 and X2 terminals. ¸ When 3rd Stage aux. heat is not used, leave W2 blank and wire auxiliary heat to aux. terminal. Configure W2 to NC in - Honeywell Heat/1Cool | User Guide - Page 111
W1 - · W2 W2 W2 W2 W2 W2 W2 W2 Aux. Fan G C/O Valve - Heat C/O Valve O Cool System Monitor/ L System Defrost G G G B B B O O O µ L G B O ¸ L G G ᕡ or B B O/B ᕡ or thermostat is in Em. Ht. position. M13213 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL - Honeywell Heat/1Cool | User Guide - Page 112
W1 Heat C/O Valve - Cool System Monitor/ L System Cool ³ LED is energized when terminal is powered. · L terminal is powered continuously when thermostat is in Em. Ht. position. » Terminal is for multiple auxiliary heat THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER T874N1008/Q674F1196 - Honeywell Heat/1Cool | User Guide - Page 113
G G ³ C/O Valve H B B B Heat C/O Valve O O O O Cool System Monitor/ X - L - System Defrost Em. Heat E or X E E E Mutiple Heat Loads - W3 W3 W3 LED Indication - - - M13215 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART NUMBER) T841A1274 - Honeywell Heat/1Cool | User Guide - Page 114
¿ or O O O/B O ¿ or O O/B ¿ O/B Cool ³ System Monitor/ F F F F L L L L L L System Defrost Em. Heat X X2 X2 X2 E E E E E E Outdoor T T T T Thermistor · · · · · ³ F and H terminals are not available on all models. · Tape off. Thermostat replaces outdoor reset - Honeywell Heat/1Cool | User Guide - Page 115
R Y ¾ W1 W2 R R Y1 ¾ W1 Y1/W1 - · W2 Aux. Fan C/O Valve Heat C/O Valve Cool System Monitor/ System Defrost EM. Heat G ¹ H O X or E X G G G B B B O O ¿ L ¶ ¶ E E O ¿ X1 ¶ E G B O ´ L ¶ E G M13224 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART NUMBER) - Honeywell Heat/1Cool | User Guide - Page 116
26. ¾ Field-installed X2 to X (C) jumper. µ LED is energized when terminal is powered. ¸ L terminal is powered continuously when thermostat is in Em. Ht. position. M13219 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART NUMBER) T874G1410/Q674F1311(6TH11703024) 70-6627 • 114 - Honeywell Heat/1Cool | User Guide - Page 117
Valve - Heat C/O Valve - Cool G G G Y Y1 Y1 B B B O O O G G G G G ´ Y Y1 Y Y1 Y1/W1 B B or O/B B B or O/B O/B O O or O/B O O or O/B O/B System Monitor/ - System Defrost L - L L L L L L Em. Heat E E E E E E E E E Multiple Aux. - Heat Loads - Honeywell Heat/1Cool | User Guide - Page 118
AIRE W1 W1 W1 - ¾ Aux. Heat W2 W2 W2 W2 W2 W2 W2 W2 W2 Aux. Fan G G C/O Valve B or W1 B Heat C/O Valve - O Cool System Monitor/ L System Defrost G G B B O when thermostat is in Em. Ht. position. M13221 TYPICAL THERMOSTATS AND SUBBASES-HONEYWELL MODEL NUMBER - Honeywell Heat/1Cool | User Guide - Page 119
49 Evcon ...50-53 Fedders ... 54 Florida Heat Pump ... 55 Fraser Johnston ... 82 Friedrich ... 56 General Electric ...57-58 Geo System ... 59 Heat Controller ... 60 Heatwave ... 61 Heil Quaker ...68-69 Hookup Diagrams ...15-25 Honeywell ...62-67 InterCity Products ...68-69 Intertherm - Honeywell Heat/1Cool | User Guide - Page 120
Tips for Using This Heat Pump Cross Reference 33 Trane ...97-100 Weatherking ...101-102 Wesco ...103 Westinghouse ...104-107 Whirlpool ...68-69 White Rodgers ...108 Williamson ...109-110 York ...111-115 ZoneAire ...116 Wiring Connections for Honeywell Heat Pump Thermostats 34-35 70 - Honeywell Heat/1Cool | User Guide - Page 121
separate Y1 and W1 terminals with a heating changeover 12 Relay wiring connections for PC8900 in heat pump applications requiring separate Y1 and W1 terminals with a cooling changeover 12 Key to hookup symbols...13 NEMA Class 2 transformer band 14 Wiring Diagrams Fig. 16 Fig. 17 Fig. 18 - Honeywell Heat/1Cool | User Guide - Page 122
70-6627 • 120 - Honeywell Heat/1Cool | User Guide - Page 123
- Honeywell Heat/1Cool | User Guide - Page 124
and Building Control Honeywell Inc. Honeywell Plaza P.O. 524 Minneapolis, MN 55408-0524 Home and Building Control Honeywell Limied - Honeywell Limitée 155 Gordon Baker Road North York, Ontario M2H 3N7 70-6627 Rev. 12-98 ©Honeywell Inc. 1998 All rights reserved Printed in U.S.A. on recycled paper
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Heat Pump
Thermostat
&
Cross Reference
Selection Guide