Honeywell Heat/1Cool User Guide - Page 64

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HONEYWELL UNIVERSAL Electromechanical Chronotherm® III Electronic Replacement or Upgrade Chronotherm IV T841A1712 Y594R1425 Y5Y95494G1G4174619 T8T681611G11R0100400 T8T481411R11R0120802 T8T5815111G1G0140721 T8T081011R11R0110406 T8T6816111G2G0220802 W890P0CB8190000/2 Existing Function Terminals Common ¿ X X X X C C C C C C Power · R R Compressor Y1 or Y Y ² 1st Stage W1 - Heat Aux. Heat W or W2 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 R 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 G ³ or B O/B ³ or O O/B G ³ O/B ³ O/B ¸ µ L L ¸ L µ L µ L EM. Heat E E E E E E E E E E Multiple Aux. W3 Heat Loads » LED Indication X2 2nd Stage - Compressor W3 W3 W3 ´- ´ ´ - X2 X1 X2 º X1 X2 ¶ - - - - - - - - ´ ´ ´ º - X1 X2 - - - W2 ¹ 2nd Stage - - - - - - - - - Y2 Cool ³ Configure O/B (select models) in Installer Setup. · For best performance, use a NEMA standard transformer. » Terminal is for multiple second stage heating loads such as contactors, sequencers, or relays. ¿ Terminal X (C) must be connected to transformer common. ´ If multiple auxiliary heat loads are used, connect to W2 (Aux W8900B) terminal. ² Do not remove factory-installed jumper. ¶ Optional CHECK LED. See Fig. 26. º Optional LED indication activated with completed circuit on X1 and X2 terminals. ¾ Thermostat will have connection to either O or B terminal, not both. µ LED is energized when terminal is powered. ¸ L terminal is powered continuously when thermostat is in Em. Ht. position. ¹ When W2 is not used, configure W2 cycle rate to NC. M13186 T841A1084 T841A1282 T841A1290 T841A1340 T841A1563 T872G1000/Q672F1018 T872G1224/Q672F1208 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER T872R1008/Q672B1046 T874G1444/Q674J1027 T874R1350/Q674L1181 T872R1057/Q672L1037 T874G1626/Q674F1436 T874R1376/Q674L1207 T874G1113/Q674L1041 T874R1004/Q674B1042 T874R1392/Q674L1447 T874G1139/Q674A T874R1004/Q674B1109 T874R1475/Q674L1520 T874G1212/Q674F1238 T874R1061/Q674L1082 T874R1491/Q674L1553 T874G1246/Q674F1212 T874R1152/Q674L1207 T874G1246/Q674F1410 T874R1285/Q674L1157 70-6627 • 62

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70-6627
•
62
HONEYWELL
UNIVERSAL
TYPICAL THERMOSTATS AND SUBBASES — HONEYWELL MODEL NUMBER
T841A1084
T841A1282
T841A1290
T841A1340
T841A1563
T872G1000/Q672F1018
T872G1224/Q672F1208
T872R1008/Q672B1046
T872R1057/Q672L1037
T874G1113/Q674L1041
T874G1139/Q674A
T874G1212/Q674F1238
T874G1246/Q674F1212
T874G1246/Q674F1410
T874G1444/Q674J1027
T874G1626/Q674F1436
T874R1004/Q674B1042
T874R1004/Q674B1109
T874R1061/Q674L1082
T874R1152/Q674L1207
T874R1285/Q674L1157
T874R1350/Q674L1181
T874R1376/Q674L1207
T874R1392/Q674L1447
T874R1475/Q674L1520
T874R1491/Q674L1553
Common
D
Power
B
Compressor
1st Stage
Heat
Aux. Heat
Fan
C/O Valve
Heat
I
C/O Valve
Cool
I
System
Monitor
EM. Heat
Multiple Aux.
Heat Loads
C
LED
Indication
2nd Stage
Compressor
2nd Stage
Cool
T8011R1006
T8011R1014
Function
Existing
Terminals
T841A1712
T8611R1000
T8611G1004
T8411R1002
T8411R1028
PC8900/
W8900B1002
Electromechanical
Chronotherm
®
III
Electronic Replacement or Upgrade
A
Configure O/B (select models) in Installer Setup.
B
For best performance, use a NEMA standard transformer.
C
Terminal is for multiple second stage heating loads such as contactors,
sequencers, or relays.
D
Terminal X (C) must be connected to transformer common.
E
If multiple auxiliary heat loads are used, connect to W2 (Aux W8900B)
terminal.
F
Do not remove factory-installed jumper.
M13186
G
Optional CHECK LED. See Fig. 26.
H
Optional LED indication activated with completed circuit on X1 and
X2 terminals.
I
Thermostat will have connection to either O or B terminal, not both.
J
LED is energized when terminal is powered.
K
L terminal is powered continuously when thermostat is in Em. Ht. position.
L
When W2 is not used, configure W2 cycle rate to NC.
F
A
A
A
F
F
F
F
A
A
A
E
G
H
H
F
F
E
E
E
E
E
F
T8511G1021
T8511G1047
T8611G2002
T8611G2028
K
J
K
J
K
J
J
L
L
X
X
X
X
C
C
C
C
C
C
R
R
R
R
R
R
R
R
R
R
Y1
or
Y
Y
Y
Y1
Y1
or
Y
Y
Y1
Y
Y1
Y1/W1
W1
–
W1
W1
W1
W1
W1
W1
W1
–
W
or
W2
W2
W2
W2
W2
W2
W2
W2
W2
Aux.
G
G
G
G
G
G
G
G
G
G
B
B
B
B
B
B
B
or
O/B
B
B
or
O/B
O/B
O
O
O
O
O
O
O
or
O/B
O
O
or
O/B
O/B
L1
or
X1
or
L
L
L
L
L
L
L
L
E
E
E
E
E
E
E
E
E
E
W3
W3
W3
W3
–
X2
–
X2
X1
X2
X1
X2
–
–
–
X1
X2
–
–
–
–
–
–
–
–
–
–
W2
–
–
–
–
–
–
–
–
–
Y2
Chronotherm
IV
Y594R1425
Y594G1419
Y594G1476