Honeywell Heat/1Cool User Guide - Page 36

Function, Electronmechanical, Electronic Replacement or Upgrade, Chronotherm

Page 36 highlights

HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE Electronmechanical Chronotherm® III Electronic Replacement or Upgrade Chronotherm IV T841A1712 Y594R1425 Y5Y9549G41G4174619 T8T681¹611G11R0100400 T8T481411G11R0120802 T8T581511G11G0140721 T8T081011R11R0110406 T8T681611G12G0220802 TT8T¸868616¹11111MM2M20102015072 W890P0CB8190000/2 Function Common ³ X Power R 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 - Defrost - 2nd Stage - Compressor 2nd Stage - Cool in two Stage System X R Y ¾ W1 X R Y1 ¾ W1 C R or Y1 Y ¾ W1 W2 W2 G G B B W2 ƻ G B O O ¶ L O º L C C C C C R R R R R Y Y1 Y Y1 Y1 ¾ ¾ ¾ ¾ W1 W1 W1 W1 - C R ´ Y1/W1 - W2 W2 W2 W2 ² Y2 Aux. ƻ G B ƻ G or » B O/B or » O O O/B ƻ G B ƻ G or » B O/B ƻ G or » B O/B or » or » O O O/B O O/B ƻ G » O/B O/B » º L L¶ º L ¶ L ¶º L L¶ E E E E E E E E E W3 W3 µ µ µ µ µ W3 µ ¿ ¿ ¿ ¿ X2 X1 X2 X1 X2 - - - X1 X2 X1 X2 - - - Pƹ - - - - - - - - ² - - - - - Y2 W2 - - ƺ - - - - - - Y2 M13245 70-6627 • 34

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70-6627
34
HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE
T8611G2002
T8611G2028
Function
Y594R1425
Y594G1419
Y594G1476
T8411R1002
T8411G1028
T8511G1021
T8511G1047
PC8900/
W8900B1002
Electronmechanical
Electronic Replacement or Upgrade
Common
A
Power
Compressor
1st Stage
Heat
M
Auxiliary
Heat
Fan
C/O Valve
Heat
C/O Valve
Cool
System Monitor/
Sytem Defrost
Em. Heat
Multiple
Heat
Loads
B
LED
Indication
Defrost
2nd Stage
Compressor
2nd Stage
Cool in two
Stage System
M13245
I
I
I
I
C
F
C
C
C
J
E
D
J
J
J
J
H
J
H
G
D
G
T8611M1002
T8611M2017
T8611M2025
KL
H
T841A1712
I
D
T8011R1006
T8011R1014
T8611R1000
T8611G1004
L
Chronotherm
®
III
C
C
C
C
D
X
X
X
C
C
C
C
C
C
C
R
R
R
R
R
R
R
R
R
R
Y
Y
Y1
Y1
or
Y
Y
Y1
Y
Y1
Y1
Y1/W1
W1
W1
W1
W1
W1
W1
W1
W2
W2
W2
W2
W2
W2
W2
W2
Y2
Aux.
G
G
G
G
G
G
G
G
G
G
B
B
B
B
B
B
or
O/B
B
B
or
O/B
B
or
O/B
O/B
O
O
O
O
O
O
or
O/B
O
O
or
O/B
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
W3
X2
X1
X2
X1
X2
X1
X2
X1
X2
P
Y2
W2
Y2
I
I
G
G
GH
P
P
P
P
P
P
P
N
O
F
Chronotherm
IV