Manual 7960-857
Page
2 of 3
Installation
Disconnect all power to wall-mount unit. Remove outer
and inner control panel covers.
1. Mount the 910-2069 relay assembly in the control
panel as shown in Figure 1.
2. Route the wires in the cable duct. Connect the
4 pin male plug to the female plug on the side
of the low voltage terminal box. Connect the
pink wire to the ALR terminal on the compressor
control module. Refer to Figure 2 on page 3 or
the unit wiring diagram for proper wire connection
locations.
3. Make the desired dry contact connections on the
front of the low voltage terminal strip. (Normally
Closed = 1 & 3, or Normally Open = 2 & 3). See
Figure 2 or the unit wiring diagram.
4. Apply “This unit is equipped with CMC-35 control
module” label to the inside of the inner control
panel cover above the unit wiring diagram.
5. Replace the inner and outer control panel covers.
This completes the installation.
Sequence of Operation
When installed, the alarm relay will indicate one of the
following has occurred:
• High refrigerant pressure lockout
• Low refrigerant pressure lockout
• Unit power brownout lockout
During any of the listed events, an alarm can be
signaled to a thermostat or controlling device. The unit
will remain in a lockout mode until the call for cooling
is removed (Y1, Y2) or power is reset to the unit.
FIGURE 1
CONTROL ASSEMBLY
PART #910-2069
4 PIN PLUG (MALE)
PLUGS INTO THE SIDE
OF THE LOW VOLTAGE
TERMINAL BLOCK
MIS-4096
