Question about Whirlwind FH-778 Air Conditioner
These valves do get stuck. They energize for cool and in the dead postion they heat. Your valve is stuck or not energized. Can you here it click or try to energize. If you dont hee the click you do not have voltage to the valve. The valve is powered thru the defrost board. So that might be your problem. If you have voltmeter. Take the two wires off the valve and turnit on cool you should get 24 volts. If you have 24 volts the valve is bad. If you do have voltage to the valve tap the valve while energized and sometimes this will loosen them up. If the board or valve is bad you will have to call a service tech. Russ There is only so much you can do.
Posted on Jul 25, 2009
First check your filters to make sure they are clean and you have proper airflow.
If they are clean, then you either have low refridgerant or dirty coils.
The outside coils can easily be cleaned by disconnecting power to the unit, then using a water hose to spray off the dirt, grass, etc.
The inside coild can be very difficult to get to on some units and require a special evaporator coil cleaner. As for adding refridgerant, the Law requires one to be certified for purchasing or working with refridgerant so you may need to call a service tech for that. Expect a bill from $100 to $225 for a typical system recharge depending on how low it is and which company you call.
Posted on Oct 10, 2009
SOURCE: what size capacitor do I
Your Lennox Condenser HS18-311-7P uses a 35 MFD 370 Volt Round Run Capacitor. Here it is:
I’m happy to help further over the phone at https://www.6ya.com/expert/jeremy_69f3cc28d95bf514
Posted on Jun 18, 2011
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