Honeywell Heat/1Cool - T841A1563 Premier 2 Stage Thermostat User Manual page 20

HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE
FALL
H1 ANTICIPATOR
H1
H2
ANTICIPATOR
H2 FALL
RISE
C1
C1 ANTICIPATOR
RISE
CO
CHANGEOVER
(HEAT)
FALL
FALL
H2
H1
FALL
CHANGEOVER
(COOL)
RISE
C1
RISE
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2
W1 - Y1 JUMPER IS Y TERMINAL; REMOVE JUMPER WHEN W1 RELAY IS USED.
Fig. 22. Internal schematic and typical wiring diagram for Y594G1419 and Y594G1476.
70-6627 • 18
1
FAN SWITCH
AUTO
2
ON
4
6
SYSTEM
SWITCH
OFF
EM. HT.
HEAT
AUTO
COOL
8
9
10
11
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
1
OVERLOAD PROTECTION AS REQUIRED.
12
Fig. 21. Internal schematic and typical wiring diagram for Y594G1633.
1 FAN
SWITCH
AUTO
2
ON
H1
ANTICIPATOR
3
4
5
H2 ANTICIPATOR
SYSTEM
6
SWITCH
8
OFF
EM. HT.
9
HEAT
AUTO
10
COOL
C1
ANTICIPATOR
11
O
COOL CHANGEOVER
VALVE
G
B RELAY
FAN RELAY
B
R
E
EM. HT. RELAY
L
EM. HT.
LED (RED)
X
AUX. HEAT
LED (GREEN)
AUX. HEAT RELAY
W2
Y
COMPRESSOR
CONTACTOR
W3
G
FAN RELAY
R
W2
EM. HT.
RELAY
E
AUX.
HT. LED
(GREEN)
X1
COMPRESSOR
CHECK
FAULT
LED (RED)
X2
EM. HT.
LED (RED)
X
COOL CHANGEOVER
VALVE
O
B
HEAT CHANGEOVER
W1 RELAY
VALVE
W1
2 COMPRESSOR
CONTACTOR
Y1
L1
(HOT)
L2
1
M8702
W3 RELAY
L2 1
L1
(HOT)
AUX. HEAT
RELAY
M8703