9 68-0076—1
(continued)
TABLE 3—T8611 GUIDE FOR REPLACING POPULAR T874 AND T872 THERMOSTATS,
BY EQUIPMENT MANUFACTURER (Continued).
(NOTE : Also see form 70-6627, Heat Pump Thermostat Cross Reference Guide, for wiring hookup illustrations.)
Thermostat (Subbase Included)
Auto Manual
Changeover Changeover
Weekday, Weekday,
Sat, Sun Sat, Sun Auto
T8611G1004 T8611R1000 Changeover
T8611G1012 (
°
C)T8611R1042 (
°
C) 7-day
T8611G1103 T8611R1141 T8611M7008
(Premier White) (Premier White) T8611M7040
c
Thermostat Subbase Thermostat Subbase
(also see form 68-0057, Specifications) T874 Q674 T872 Q672 Comments
Honeywell (continued)
N1016 F1220 N1002 F1133 Changeover on heat; equip-
N1040 F1261 N1028 F1216 ment terminal C to thermostat
R1004 B1042 R1008 B1046 Y, W1 to B, K to E.
B1109 R1057 L1037
R1152 L1207 R1198 L1227
R1285 L1157
R1350 L1181
Janitrol/Tappan
G1147 F1139 G1109 F1117 Equipment terminal C to
thermostat C.
Lennox NOTE: Rewire for single 75
VA transformer if two-transformer
system.
G1014 F1113 G1026 F1067
G1022 E1148 G1125 E1019 °C
G1162 G1091 DoD specs—use guard.
G1154 F1105 G1323 L1201
R1024 B1160
R1040 B1202
R1178 L1355
• • L1165
C1148 L1165
D1207 L1199 Two-speed unit; optional check
L1389 LED; thermistor A not used.
Ter- minal Conversion
Guide:
Lennox Standard
Transformer
Common X C
Transformer
Power VR (in) R
V (out)
Compressor M Y
M2 Y2
Aux. Heating Y W2
Fan F G
Changeover R O
System Monitor L L,X1,X2
Em.Heat (cycling) E E
Thermistor A T (not
required)
a
No CHECK LED.
bDual transformer requires conversion to single transformer.
cModel includes separate sensor for remote temperature sensing.
T8611M
SELECTION/APPLICATION