Typical System Hookup Diagrams - Honeywell Heat/1Cool - T841A1563 Premier 2 Stage Thermostat User Manual

HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE

Typical System Hookup Diagrams

H1
FALL
H1/C1
ANTICIPATOR
H2 ANTICIPATOR
H2
FALL
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
2 NO AUTO FAN IN EMERGENCY HEAT.
FAN
SWITCH
C1
AUTO
ON
2
EM. HT.
HEAT
OFF
COOL
SYSTEM
SWITCH
Fig. 16. Internal schematic and typical wiring diagram for T841A1308.
ODT 1
RTD 1
EHR 1
ODT 2
EHR 2
G
R
W2
AUX. HT.
LED (GREEN)
E
RD
L
EM. HT.
SYSTEM MONITOR
LED (RED)
B
HEAT CHANGE-
OVER VALVE
X
LACO
Y
COMPRESSOR
CONTACTOR
O
COOL CHANGE-
OVER VALVE
L1 L2
(HOT)
1
RTD 2
RTD 3
FAN RELAY
RTD 1
EM. HT. RELAY
CHP
M6060A
70-6627 • 15