Honeywell Heat/1Cool User Guide - Page 102

Field-installed X2 to X C jumper.

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TRANE/AMERICAN STANDARD Electromechanical Chronotherm® III Electronic Replacement or Upgrade Chronotherm IV T841A1712 Y594R1425 Y5Y95494G1G4174619 T8T681611G11R0100400 T8T481411R11R0120802 T8T5815111G1G0140721 T8T081011R11R0110406 T8T6816111G2G0220802 W890P0CB8190000/2 Existing Function Terminals Common · C X X X C C C C C C Power R R Compressor or Y Y1 Y 1st Stage Heat W1 - Aux. Heat W2 W2 R Y ´ W1 R Y1 ´ W1 R or Y1 Y ´ W1 W2 W2 W2 R Y ´ W1 R Y1 ´ W1 W2 W2 R Y ´ W1 W2 R R Y1 ´ W1 Y1/W1 - ³ W2 Aux. Fan G G G G C/O 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 G G or ¸ or ¸ ¸ B B B O/B B B O/B O/B or ¸ or ¸ ¸ O O O O/B O O O/B O/B ¾ ¾ º ¾ º º L L L L L L Outdoor Stat E E E E E E E E E E Multiple Aux. - W3 W3 W3 µ Heat Loads ¿ µ µ LED Indication or X1 X2 - X2 ¶ X1 X2 » X1 X2 ² - - 2nd Stage - - - - - - - Compressor µ µ µ » - X1 X2 - ³ - - W2 2nd Stage - - - - - - - - - Y2 Cool ³ When W2 is not used, configure W2 cycle rate to NC. · Terminal must be connected to the transformer common. » Optional LED indication activated with completed circuit on X1 and X2 terminals. ¿ Terminal is for multiple auxiliary heat loads such as contactors, sequencers, or relays. ´ Do not remove factory-installed jumper. ² Optional Check LED on T8611G1004. See Fig. 26. ¶ Field-installed X2 to X (C) jumper. º LED is energized when terminal is powered. ¾ L terminal is powered continuously when thermostat is in Em. Ht. position. µ If multiple auxiliary 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 NUMBER) T841A1407 (ASYSTAT652) T874R1053/Q674L1140 T8611G1038 (THT-0603) T841A1530 (ASYSTAT652A) T874R1426/Q674L1496 (BAYSTAT339/WY28X0112) T8611G111 (TAYSTAT501) T872G1059/Q672J1039 T874R1657/Q674L1611 (ASYSTAT651/WY28X235) T8611R1091 T872R1057/Q672L1037 T874R1939 (ASYSTAT-651A)/Q674L1801 (THT1225) T8611R1109 (THT-0602) T874G1204/Q674J1043 T8141A1014 T8611R1117 (ASYSTAT700) T874G1675/Q674J1142 T8141A1071 (ASYSTAT650/WY28X0250) T8300A1128/Q6300A1101 (BAY28X194/BAY28X195) 70-6627 • 100

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70-6627
•
100
TYPICAL THERMOSTATS AND SUBBASES — HONEYWELL MODEL NUMBER (CUSTOMER PART NUMBER)
T841A1407 (ASYSTAT652)
T841A1530 (ASYSTAT652A)
T872G1059/Q672J1039
T872R1057/Q672L1037
T874G1204/Q674J1043
T874G1675/Q674J1142
(ASYSTAT650/WY28X0250)
TRANE/AMERICAN STANDARD
T874R1053/Q674L1140
T874R1426/Q674L1496 (BAYSTAT339/WY28X0112)
T874R1657/Q674L1611 (ASYSTAT651/WY28X235)
T874R1939 (ASYSTAT-651A)/Q674L1801 (THT1225)
T8141A1014
T8141A1071
T8300A1128/Q6300A1101 (BAY28X194/BAY28X195)
T8611G1038 (THT-0603)
T8611G111 (TAYSTAT501)
T8611R1091
T8611R1109 (THT-0602)
T8611R1117 (ASYSTAT700)
Common
B
Power
Compressor
1st Stage
Heat
Aux. Heat
Fan
C/O Valve
Heat
C/O Valve
Cool
System Monitor/
System Defrost
Outdoor Stat
Multiple Aux.
Heat Loads
D
LED
Indication
2nd Stage
Compressor
2nd Stage
Cool
T8011R1006
T8011R1014
Function
Existing
Terminals
T841A1712
T8611R1000
T8611G1004
T8411R1002
T8411R1028
T8511G1021
T8511G1047
T8611G2002
T8611G2028
PC8900/
W8900B1002
Electromechanical
Chronotherm
®
III
Electronic Replacement or Upgrade
A
When W2 is not used, configure W2 cycle rate to NC.
B
Terminal must be connected to the transformer common.
C
Optional LED indication activated with completed circuit on X1 and
X2 terminals.
D
Terminal is for multiple auxiliary heat loads such as contactors, sequencers,
or relays.
E
Do not remove factory-installed jumper.
M13228
F
Optional Check LED on T8611G1004. See Fig. 26.
G
Field-installed X2 to X (C) jumper.
H
LED is energized when terminal is powered.
I
L terminal is powered continuously when thermostat is in Em. Ht. position.
J
If multiple auxiliary heat loads are used, connect to W2 (Aux W8900B)
terminal.
K
Configure O/B (select models) in Installer Setup.
A
A
E
E
E
E
E
H
I
F
H
H
I
H
I
K
K
K
K
K
K
E
E
J
J
J
J
J
J
G
C
C
C
X
X
X
C
C
C
C
C
C
R
R
R
R
R
R
R
R
R
R
Y
or
Y1
Y
Y
Y1
Y1
or
Y
Y
Y1
Y
Y1
Y1/W1
W1
–
W1
W1
W1
W1
W1
W1
W1
–
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
L
L
L
L
L
L
L
L
E
E
E
E
E
E
E
E
E
E
–
W3
W3
W3
X1
or
X2
–
X2
X1
X2
X1
X2
–
–
–
X1
X2
–
–
–
–
–
–
–
–
–
–
W2
–
–
–
–
–
–
–
–
–
Y2
Chronotherm
IV
Y594R1425
Y594G1419
Y594G1476