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Do's

  1. Provide a level slab as required by your local building code. It is very important that the surface is level for proper drainage and operation. See Section 3 "Technical Information" for thru-wall applications where walk-in unit is to be attached to the building.


  2. Condensing unit on the top (or back) of the walk-in should be a minimum of 6 feet from any building intake or exhaust ventilation fans.


  3. Keep an open area of at least 3 feet around condensing unit to assure that sufficient air ventilates across the compressor.


  4. Make sure you have adequate electrical service for your particular unit.


  5. Once walk-in is in place, it may then be wired by a qualified electrician in accordance with the NEC and / or local electrical codes. A wiring diagram is located on the back side of the electrical box panel on the condensing unit.


  6. Loosen compressor mounting bolts (if supplied).


  7. Set the correct time of day on the defrost timer. This is necessary in order for the preset defrost to occur at the desired times.


  8. If unit is delivered or sits idle in winter months, an external heat source should be applied to the compressor crankcase for 12 to 24 hours prior to start-up.


  9. The unit is now ready for operation. (See sequence of operation, Section 5 "Operating Instructions")


  10. Units are preset at the factory to automatically include four defrost cycles for a duration of 30 minutes each. Preset defrost cycles may be changed to accommodate different applications.

Dont's

  1. Do not physically alter any controls, switches, wires, or any device carrying an electrical current, without disconnecting power to the walk-in cooler and/or freezer.


  2. The box temperature is preset at the factory to customer request. Temperature selection should not be adjusted up or down. If a different temperature is required, contact Polar King for proper procedure on changing the preset temperature.


  3. When cleaning the inside of the unit with any liquid substance, turn off electrical power. IMPORTANT: DO NOT USE BLEACH TO CLEAN INSIDE OF UNIT AS IT MAY CAUSE DAMAGE TO COIL SURFACE.


  4. IMPORTANT: DO NOT DISCONNECT MAIN POWER SUPPLY WHILE COMPRESSOR IS RUNNING. DAMAGE MAY OCCUR IF COMPRESSOR IS NOT ALLOWED TO PUMP DOWN.

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