EMM-3U UNIVERSAL ELECTRONIC MINIZONE™ PANEL
68-0237-2
6
Fig. 5. Heat pump thermostat with separate W1 and Y1
terminal wiring.
Fig. 6. Heat pump thermostat with single Y1 using O for
changeover thermostat wiring.
Fig. 7. Heat pump thermostat with single Y1 using B for
changeover thermostat wiring.
Damper Wiring
ARD or ZD Dampers
Wire the ARD or ZD damper to the panel as shown in Fig. 8.
Multiple dampers can be wired in parallel. Use these dampers
on systems up to 2000 cfm.
Fig. 8. Wiring ARD or ZD Damper to panel.
AOBD Dampers
Wire the AOBD dampers to the panel as shown in Fig. 9. Two
AOBD can be wired in tandem as shown in Fig. 10. More than
two AOBD dampers require the Slave Damper Control Relay
(SDCR).
M20782A
G
C
R
Y1
W1
L
W2
E
B
O
COMMON (C) TERMINAL IS USED ONLY BY THERMOSTATS
THAT REQUIRE A COMMON WIRE.
JUMP E TERMINAL TO W1 FOR EMERGENCY HEAT.
LEAVE O/B JUMPER ON EMM-3U DISCONNETED.
HEAT PUMP THERMOSTAT WITH
SEPARATE W1 AND Y1
THERMOSTAT WIRING
1
2
3
1
2
EMM-3U THERMOSTAT
CONNECTORS
3
R
C
G W2 Y2
M6M4M1
Y1
C
R
L
24VAC
40VA
O/B
W1/E
M20783A
G
C
R
Y1
L
W2
E
B
O
COMMON (C) TERMINAL IS USED ONLY BY THERMOSTATS
THAT REQUIRE A COMMON WIRE.
NORMALLY, CONNECT E ON THERMOSTAT TO W1/E ON PANEL.
ALTERNATELY, INSTALL JUMPER FROM E TO Y1 ON THERMOSTAT.
CONNECT O/B TERMOSTAT JUMPER ON EMM-3U PANEL IF
USING O FROM THERMOSTAT; DISCONNECT IF USING B.
HEAT PUMP THERMOSTAT WITH
SINGLE Y THERMOSTAT WIRING
1
2
3
1
2
EMM-3U
THERMOSTAT
CONNECTORS
3
R
C
G W2 Y2
M6M4M1
Y1
C
R
L
24VAC
40VA
O/B
W1/E
M20784A
G
C
R
Y1
W1
L
W2
E
B
O
COMMON (C) TERMINAL IS USED ONLY BY THERMOSTATS
THAT REQUIRE A COMMON WIRE.
NORMALLY, CONNECT E ON THERMOSTAT TO W1/E ON PANEL.
ALTERNATELY, INSTALL JUMPER FROM E TO Y1 ON THERMOSTAT.
CONNECT O/B TERMOSTAT JUMPER ON EMM-3U PANEL IF
USING O FROM THERMOSTAT; DISCONNECT IF USING B.
HEAT PUMP THERMOSTAT WITH
SINGLE Y THERMOSTAT WIRING
1
2
3
1
2
EMM-3U
THERMOSTAT
CONNECTORS
3
R
C
G W2 Y2
M6M4M1
Y1
C
R
L
24VAC
40VA
O/B
W1/E