b)CIRCULATE
When the service switch is active and placed in the CIRCULATE position, power is supplied to the pump only. This operation can be used to circulate cleaner for extended periods of time over the outside surface of the evaporator.
c)WASH
This model utilizes a solenoid operated cleaning (bypass) valve. When the service switch is active and placed in the WASH position, power is supplied to the pump and the cleaning valve. This cleans both the inside and outside of the evaporator plate assembly.
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