Honeywell Heat/1Cool User Guide - Page 56

Fedders

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FEDDERS Electromechanical Chronotherm® III Electronic Replacement or Upgrade Chronotherm IV AVAILNAOBTLE Y594R1425 Y5Y95494G1G4174619 T8611R1000 T8T481411R11R0120802 T8T5815111G1G0140721 T8T081011R11R0110406 T8T6816111G2G0220802 W890P0CB8190000/2 Existing Function Terminals Common ³ C Power Rc Rh or R Compressor Y1 or Y 1st Stage W1 Heat Auxiliary W2 Heat X R Y · W1 X R Y1 · W1 W2 W2 C³ R Y1 · W1 W2 ³ C R Y · W1 C³ R Y1 · W1 C³ R Y · W1 W2 W2 W2 C³ ³ C R 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 ² B B or O/B B O O or ² O/B O G ² B or O/B ² O or O/B G ² O/B ² O/B ¾ L º L ¾ L º L º L Em. Heat K E E E E E E E E Multiple Aux. - Heat Loads » W3 W3 - - - - - - LED Indication - X2 ´ X2 ´ - - - - X1 X2 - 2nd Stage - Compressor ¶ - - - - - - - W2 ³ Terminal X (C) must be connected to transformer common. · Remove factory-installed Y1 (Y) to W1 jumper. » Terminal is for multiple auxiliary heat loads such as contactors, sequencers or relays. ¿ Install R8222D1014 (see page 12) if separateY1 and W1 terminals are required. ´ Field-installed X2 to X (C) jumper. ² Configure O/B (select models) in Installer Setup. ¶ 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 is in Em. Ht. position. M13158 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER (CUSTOMER PART NUMBER) T872C/Q672L1102 T874D1462/Q674E1205 (THTX-220-AOHB; 88-58-00550-001) T874C/Q674L1090 T874R1269/Q674L1066 (THTX-120-HEHB; 88-58-00540-001) T874D1249 T874R1343/Q674L1413 (THTX-120-HEHC; 88-58-00560-001) 70-6627 • 54

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70-6627
•
54
FEDDERS
TYPICAL THERMOSTATS AND SUBBASES — HONEYWELL MODEL NUMBER (CUSTOMER PART NUMBER)
T872C/Q672L1102
T874C/Q674L1090
T874D1249
T874D1462/Q674E1205 (THTX-220-AOHB; 88-58-00550-001)
T874R1269/Q674L1066 (THTX-120-HEHB; 88-58-00540-001)
T874R1343/Q674L1413 (THTX-120-HEHC; 88-58-00560-001)
T8011R1006
T8011R1014
Function
Existing
Terminals
NOT
AVAILABLE
T8611R1000
T8411R1002
T8411R1028
PC8900/
W8900B1002
Electromechanical
Chronotherm
®
III
Electronic Replacement or Upgrade
A
Terminal X (C) must be connected to transformer common.
B
Remove factory-installed Y1 (Y) to W1 jumper.
C
Terminal is for multiple auxiliary heat loads such as contactors, sequencers or
relays.
D
Install R8222D1014 (see page 12) if separateY1 and W1 terminals are
required.
Common
A
Power
Compressor
1st Stage
Heat
Auxiliary
Heat
Fan
C/O Valve
Heat
C/O Valve
Cool
System Monitor/
System Defrost
Em. Heat
Multiple Aux.
Heat Loads
C
LED
Indication
2nd Stage
Compressor
G
M13158
B
A
E
Field-installed X2 to X (C) jumper.
F
Configure O/B (select models) in Installer Setup.
G
When W2 is not used, configure W2 cycle rate to NC.
H
LED is energized when terminal is powered.
I
L terminal is powered continuously when thermostat is in Em. Ht. position.
B
B
B
B
F
F
F
F
F
F
A
A
A
D
A
A
T8511G1021
T8511G1047
T8611G2002
T8611G2028
G
B
B
E
E
C
X
X
C
C
C
C
C
C
Rc
Rh
or
R
R
R
R
R
R
R
R
R
Y1
or
Y
Y
Y1
Y1
Y
Y1
Y
Y1
Y1/W1
W1
W1
W1
W1
W1
W1
W1
W1
–
W2
W2
W2
W2
W2
W2
W2
W2
Aux.
G
G
G
G
G
G
G
G
G
–
B
B
B
B
B
or
O/B
B
B
or
O/B
O/B
–
O
O
O
O
O
or
O/B
O
O
or
O/B
O/B
L
or
Z
L
X1
L
L
L
L
L
L
K
E
E
E
E
E
E
E
E
–
W3
W3
–
–
–
–
–
–
–
X2
X2
–
–
–
–
X1
X2
–
–
–
–
–
–
–
–
–
W2
I
H
H
I
H
I
H
H
Chronotherm
IV
NOT AVAILABLE
Y594R1425
Y594G1419
Y594G1476