Honeywell Heat/1Cool User Guide - Page 6

Table 1. Model Number Specifications continued., Order, Stages, Systems, Number, Description, - 2 heat 1 cool heat pump

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HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE Table 1. Model Number Specifications (continued). Order Number Description Terminals Stages Systems Heat Cool Switch Changeover T8611G2002 TRADELINE®; Full seven-day program Y1,W1,W2, 2 capability. Programmable fan and back G,E,L,R,C, lighting features. (Fig. 31). O/B,X1,X2, OT,OT 1 EM.HT.- Automatica HEAT-OFF- AUTO- COOL T8611G2028 Same as T8611G2002 except Premier Y1,W1,W2, 2 White™, 7-day program capability. G,E,L,R,C, Programmable fan and back lighting O/B,X1,X2, features. (Fig. 31). OT,OT 1 EM.HT.- Automatica HEAT-OFF- AUTO- COOL T8611M2017 TRADELINE®; full 7-day program Y1,Y2/W2, 3 capability. Programmable fan and back W3,G,E,L, lighting features. R,O/B,C,X1, X2,OT,OT 2 EM.HT.- Automatica HEAT-OFF- AUTO- COOL T8611M2025 Same as T8611M2017 except Premier Y1,Y2,W2, 3 White™, 7-day program capability. W3,G,E,L,R, Programmable fan and back lighting O/B,C,X1, features. X2,OT,OT 2 EM.HT.- Automatica HEAT-OFF- AUTO- COOL PC8900A1007/ TRADELINE®; Perfect Climate Comfort R,C,RH,Y1/ 3 W8900B1002 Center™ Control System. 7-day (auto W1,G,O/B, copy) programming. AUX,E,Y2, W2,L 2 EM.HT.- Automatica HEAT-OFF- AUTO- COOL a In freezing climates, be sure the cooling compressor has adequate cold start protection. b SYSTEM LED lights when heating or cooling equipment is running. c CHECK LED indicates compressor malfunction. d EM. HT. LED indicates compressor malfunction. e CHECK LED comes on when 24 Vac is applies to the L terminal. f FAIL LED come on when a complete cirucuit is made on the X1 and X2 terminals. g CHECK LED lights to alert homeowner to HVAC maintenance or service needs. Led Indication CHECKe FAILf CHECKe FAILf CHECKe FAILf CHECKe FAILf CHECKg SYSTEMb 70-6627 • 4

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70-6627
•
4
Table 1. Model Number Specifications (continued).
a
I
n freezing climates, be sure the cooling compressor has adequate cold start protection.
b
SYSTEM LED lights when heating or cooling equipment is running.
c
CHECK LED indicates compressor malfunction.
d
EM. HT. LED indicates compressor malfunction.
e
CHECK LED comes on when 24 Vac is applies to the L terminal.
f
FAIL LED come on when a complete cirucuit is made on the X1 and X2 terminals.
g
CHECK LED lights to alert homeowner to HVAC maintenance or service needs.
HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE
Order
Stages
Systems
Led
Number
Description
Terminals
Heat
Cool
Switch
Changeover
Indication
T8611G2002
TRADELINE®; Full seven-day program
capability. Programmable fan and back
lighting features. (Fig. 31).
Y1,W1,W2,
G,E,L,R,C,
O/B,X1,X2,
OT,OT
2
1
EM.HT.-
HEAT-OFF-
AUTO-
COOL
Automatic
a
CHECK
e
FAIL
f
T8611G2028
Same as T8611G2002 except Premier
White™, 7-day program capability.
Programmable fan and back lighting
features. (Fig. 31).
Y1,W1,W2,
G,E,L,R,C,
O/B,X1,X2,
OT,OT
2
1
EM.HT.-
HEAT-OFF-
AUTO-
COOL
Automatic
a
CHECK
e
FAIL
f
T8611M2017
TRADELINE®; full 7-day program
capability. Programmable fan and back
lighting features.
Y1,Y2/W2,
W3,G,E,L,
R,O/B,C,X1,
X2,OT,OT
3
2
EM.HT.-
HEAT-OFF-
AUTO-
COOL
Automatic
a
CHECK
e
FAIL
f
T8611M2025
Same as T8611M2017 except Premier
White™, 7-day program capability.
Programmable fan and back lighting
features.
Y1,Y2,W2,
W3,G,E,L,R,
O/B,C,X1,
X2,OT,OT
3
2
EM.HT.-
HEAT-OFF-
AUTO-
COOL
Automatic
a
CHECK
e
FAIL
f
PC8900A1007/
W8900B1002
TRADELINE®; Perfect Climate Comfort
Center™ Control System. 7-day (auto
copy) programming.
R,C,RH,Y1/
W1,G,O/B,
AUX,E,Y2,
W2,L
3
2
EM.HT.-
HEAT-OFF-
AUTO-
COOL
Automatic
a
CHECK
g
SYSTEM
b