Overview of Primary Product

SMD/BMD Damper
Motor Wiring
Optional Supply Air
Temperature Sensor
4
1
5
2
6
3
Z
X
Jumper
Wire
TRANSFORMER
24V, 40VA
WIRING DIAGRAM
HEAT PUMP
Model UZC3C Control Panel
All wiring should be done to local and national
codes and ordinances. Use color-coded, multi-
conductor wire. Wire number to number or letter
to letter on each control.
WARNING: THESE PANELS ARE DESIGNED FOR
USE WITH 24VAC. DO NOT USE OTHER VOLTAGES!
USE CAUTION TO AVOID ELECTRIC SHOCK OR
EQUIPMENT DAMAGE.
DMPR1 DMPR2 DMPR3 AUX RELAY
MODEL UZC3C
3-ZONE CONTROL PANEL
ON
ON
ON
EXPANSION
FCONT ALLZC
SYS PNL
OFFON OFFON
FA MIN/HR
0 32
16
EM SWYES NO
T
S
T
A
T
3
T
S
T
A
T
2
T
S
T
A
T
1
NOT USED
SYSTEM
RESET
OP SYS
TIMER
1 2 3 4
ND
6 4 1
ZONE THERMOSTAT
6
0
7
0
80
50
50 60 70 80
YWG R
SYSTEM
COOL
OFF HEAT
AUTO
ON
FAN
ZONE THERMOSTAT
6
0
7
0
80
50
50 60 70 80
YWG R
SYSTEM
COOL
OFF HEAT
AUTO
ON
FAN
C RY1OBGEMY2W3
50
60 70
80
. . . .
HEAT OFF COOL
FAN
AUTO ON
HEAT
50
70
80
. .
60
. .
COOL
50
60 70
80
. . . .
16
Figure 27 UZC3C wiring diagram
EWC Controls Inc. 385 Highway 33 Englishtown, NJ 07726 800-446-3110 FAX [phone] E-Mail- [e-mail]
6 4 1
URD
1 - Common
2 - Hot
HEAT PUMP
2 STAGE
O
Y1
C
R
X / W
Y2
G
Y1
C R
Y2
W1
W2
O
AIR
HANDLER
JUMPER
JUMPER