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TZ-4 TOTALZONE® ZONE CONTROL PANEL
68-0259-1 8
Fig. 7. Heat pump thermostat with 3-stage heat, 2-stage
cool single Y thermostat wiring.
Fig. 8. Wiring ARD or ZD damper to panel.
Fig. 9. Wiring AOBD damper to panel.
Fig. 10. Wiring two AOBD dampers in parallel.
MARD Dampers or Dampers Using an ML6161 Motor
Actuator
Wire the MARD Damper or ML6161 Actuator to the panel as
shown in Fig. 11. These are floating control actuators, but are
controlled as two-position devices on the TZ-4 panel. Multiple
dampers can be wired in parallel.
The ML6161 Motor causes the damper LED to illuminate
green constantly. WIre a relay as shown in Fig. 12 to restore
damper position indication.
Use the MARD or D643 with the ML6161 on systems above
2000 cfm.
Fig. 11. Wiring MARD Damper or ML6161 Actuator to
panel.
M20891
G
C
R
Y1
Y2
L
W3
E
B
O
COMMON (C) TERMINAL IS USED ONLY ON THERMOSTATS
THAT REQUIRE A COMMON WIRE.
ALTERNATIVELY, JUMPER E THERMOSTAT TERMINAL TO Y1 FOR
EMERGENCY HEAT.
CONNECT O/B JUMPER ON TZ-4 WHEN USING O OR DISCONNECT
WHEN USING B FOR CHANGEOVER.
FIELD INSTALLED JUMPER FROM Y2 TO W2 ON PANEL
THERMOSTAT CONNECTIONS.
TZ-4
THERMOSTAT
CONNECTORS
HEAT PUMP THERMOSTAT WITH
SINGLE Y THERMOSTAT WIRING
1
2
3
4
1
4
3
2
4
M6 M4
M1
56
123
Z
X
DAMPER MOTOR
FIELD JUMPER
M19067
MOTOR TERMINALS
4
M6 M4
M1
56
12
3
DAMPER MOTORS
M19068
MOTOR TERMINALS
4 56
123
Z
X
Z
X
FIELD JUMPER
M1 M4
M20136A
ZONE PANEL
CONNECTIONS
M6
CW
COM
CCW
MARD