Heat Pump - Honeywell HZ432 TrueZONE Installation Manual

Installation Guide

HEaT puMp

Use the following diagram for wiring a 2-heat/1-cool heat pump with electric auxiliary heat.
NOTE: You can use a conventional thermostat for a heat pump system; however, em heat can only be controlled by
heat pump thermostats. The diagram below shows a heat pump thermostat used with a heat pump system.
ARD OR ZD DAMPER
SPRING-OPEN
POWER-CLOSED
Rc
R
C
E
AUX
1
Y
G
AIR
2 O/B
HANDLER
L
24 VOLT TRANS.
C R
EM. HEAT
E
AUX. HEAT
W2
FAN RELAY
G
Y
HEAT PUMP
C R
Y
REVERSING
VALVE
C7089U1006
OUTDOOR
TEMPERATURE
C7735A1000
DATS
THM4000R
POWER
WIRELESS SETUP
CONNECTED
CONNECT
WIRELESS
ADAPTER
Fig. 13. Zone panel wiring—heat pump, 2-heat/1-cool with electric auxiliary heat.
69-298—0
M1
M4
M6
R
C
W1/E
W2
W3
Y1
Y2
G
O/B
L
RH
RC
W1/E
W2
W3
Y1
Y2
G
O
B
L1
R
(HOT) DS/BK
R
L2
C
C
DEDICATED
TRANSFORMER
AZ1
AZ2
OT
SENSOR
OT
DATS
DATS
A
B
C
D
1
ALTERNATIVELY LABELED W2 ON SOME THERMOSTATS.
FOR THERMOSTATS WITH SEPARATE O AND B TERMINALS, ATTACH O FOR
2
COOL CHANGEOVER VALVES, AND ATTACH B FOR HEAT CHANGEOVER VALVES.
IF EQUIPMENT DOES NOT HAVE SEPARATE E AND W2 TERMINALS, JUMPER
3
E TO W2 ON PANEL AND WIRE TO E.
M1
M4
M6
R
C
W1/E
W2
W3
Y1
Y2
G
O/B
L
M1
M4
M6
3
R
C
W1/E
W2
W3
HZ432
Y1
Y2
G
O/B
L
HEAT 1
ZONE 1
HEAT 2
HEAT 3
ZONE 2
COOL 1 M1
COOL 2
ZONE 3
M4
PURGE
FAN
M6
ZONE 4
EM HEAT
R
C
W1/E
W2
W3
EMERGENCY
Y1
HEAT
Y2
G
O/B
L
HOME
CONFIG
CHECK OUT
ADJUST SETTING
6
RRD OR MARD DAMPER
M1 COMMON
POWER-OPEN
M4 OPEN
POWER-CLOSED
M6 CLOSED
Rc
R
C
E
1
AUX
Y
G
2
O/B
L
ARD OR ZD DAMPER
SPRING-OPEN
POWER-CLOSED
Rc
R
C
E
AUX 1
Y
G
2
O/B
L
ARD OR ZD DAMPER
SPRING-OPEN
POWER-CLOSED
Rc
R
C
E
1
AUX
Y
G
2
O/B
L
M24794