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If the build up on the coil consists of only light dust

and debris the condenser coil can be cleaned with

a simple brush, heavier dust build up may require

a vacuum or even compressed air to blow through

the condenser coil.

If heavy grease is present there are de-greasing

agents available for refrigeration use and

specifically for the condenser coils. The condenser

coil may require a spray with the de-greasing agent

and then blown through with compressed air.

Failure to maintain a clean condenser coil can

initially cause high temperatures and excessive

run times, continuous operation with dirty or

clogged condenser coils can result in compressor

failures. Neglecting the condenser coil cleaning

procedures will void any warranties associated with

the compressor or cost to replace the compressor.

CAUTION: Never use a high-pressure water

wash for this cleaning procedure

as water can damage the

electrical components located

near or at the condenser coil.

Gasket Maintenance

Gaskets require regular cleaning to prevent mold

and mildew build up and also to keep the elasticity

of the gasket. Gasket cleaning can be done with

the use of warm soapy water. Avoid full strength

cleaning products on gaskets as this can cause

them to become brittle and prevent proper seals.

Also, never use sharp tools or knives to scrape

or clean the gasket which could possibly tear the

gasket and rip the bellows.

Gaskets can easily be replaced and do not require

the use of tools or authorized service persons. The

gaskets are "Dart" style and can be pulled out of

the groove in the door and new gaskets can be

"pressed" back into place.

Service Manual for Refrigerated Back Counter RBC 48/60

Drain Maintenance - Base

Each unit has a copper drain tube located inside

the unit which removes the condensation from

the evaporator coil and deposits it onto a drain

pan where it can evaporate (See Figure 4). If

you notice excessive water accumulation on the

inside of the unit be sure that the drain tube is

connected from the evaporator housing to the

condensate evaporator drain pan. If water is

collecting underneath the unit you may want to

check the condensate evaporator drain tube to

be sure it is still located above the drain pan.

The leveling of the unit is also important as the

units are designed to drain properly when on a

level surface, if your floor is not level this can also

cause drain problems. Be sure the drain pan is

kept free of dirt, dust and other debris as excessive

amounts will cause water to back up and overflow

from the drain pan.

Location of Drain Tube and Drain Pan

Figure 4