
CONNECT ONLY TO POWER SOURCE AS SPECIFIED ON UNIT NAMEPLATE
1. Set up the OPAC4212AH unit on a level surface. Make sure that there are no objects on top of
the unit, and maintain an operating clearance of 3 feet minumum on all sides of unit.
2. Remove Thermostat Assembly from Storage Compartment, and unwind the Thermostat Cable.
3. Locate Thermostat Cable Receptacle, remove the cover and connect the Thermostat Cable to the unit.
4. Connect Drain Hose to the 3/4” MGHT Connector, and route drain hose away from unit to a drain or
safe run-off location
5. Connect Power Cord to unit using the locking 250 VAC Receptacle
POWER INLET: Hubbell # CS8275 POWER CONNECTOR: Hubbell # CS8264C, or Equivalent
6. Check that all power connections are secure, and that the Main Breaker is ON (up position).
7. Connect Supply Power at Source and observe the thermostat display.
8. To Power OFF the unit, set the thermostat in the OFF position
9. Once the unit has shut down, it is safe to disconnect the POWER SUPPLY.
DANGER - DO NOT DISCONNECT POWER CORD WHILE UNIT IS RUNNING
Model Number:
MODEL: OPAC4212AH
SET UP GUIDELINES
OA-EISM-OPAC4212AH- REV. 04212023
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THERMOSTAT
RECEPTACLE
(CLOSED)
THERMOSTAT
RECEPTACLE
(OPEN)
MAIN POWER BREAKER
(COVER OPENED)
POWER INLET
(WITH COVER REMOVED)
Hubbell CS8275
THERMOSTAT ASSEMBLY
STORAGE COMPARTMENT
OPACH4212 DRAIN WITH
3/4” MGHT CONNECTOR
THERMOSTAT ASSEMBLY
STORAGE COMPARTMENT
(OPENED)