Rheem RUUD Iraining, Руководство пользователя

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Heat Pump Water Heater
21
Once the tank sensors are satisfied, the control drops the signal to the relays; the electromagnet
releases and the relay contacts open.
Troubleshooting the relay is as simple as checking the mode and a demand for heat. IF the relays
are getting 240V from P7, then they MUST work. You will have one or more of the following
actions:
Energy Saver and Normal Mode:
•
The compressor is on (you can hear it)
Heating Element Only Mode
•
240V at the upper heating element (measure with multimeter)
•
240V at the lower heating element (measure with multimeter)
Disassembly and Repair
U p p e r o r L o w e r H e a t i n g E l e m e n t s
Heating elements in Rheem HPWH are screw in immersion type equipped with a one inch
threaded pug. They can best be replaced with a standard 1 1/2 inch hex socket wrench.
1.
Turn off the power to the water heater and remove access panels.
2. Turn off the cold water supply at the shut off valve. Open a hot water faucet or the T&P
valve to relieve the pressure inside the tank. Open the drain valve at the bottom of the tank and
drain water to below the level of the element.
3. Remove both wires from the element terminal screws.
4. With a 1 1/2 inch hex socket wrench, remove the element. Check the shoulders of the
element seat on the tank and remove any remainder of the gasket material.
5. Install a new 2000 watt stainless steel heating element and gasket. Reconnect wires to the
terminal screws.
6. Insure drain valve at the bottom of the tank is closed. Turn on the cold water supply and fill
the tank. Purge all the air from the tank through the open faucet in step 2.
7. Close faucet, check for leaks and return power to the water heater.
8. Check thermostat for a safe temperature setting.
U p p e r E C O & T h e r m i s t o r o r L o w e r T h e r m i s t o r
1. Turn off power to the water heater and remove access
panels.
2. Remove the four wires to the ECO.
3. Disconnect white Molex plug.
4. Pry the ECO and thermistor from the retaining bracket.
5. Replace in reverse order.
Figure 13 – ECO & Upper Thermistor