Operation; Thermostat Operation; Heat Up Time; Maintenance - Rheem AWW023SK JQ-1 Series Installation Maintenance And Service Manual

SECTION 3
1. The Heat Pump has an internal thermostat located in the return water pipe. Also it has storage tank
water temperature sensor at the nominated set point. The normal operating range for storage tank
water is between 55C and 57C.
2. As water usage occurs, mains water will enter the storage tank, lowering the overall stored water
temperature, which in turn, activates the Heat Pump. The Heat Pump will run until the water
temperature (at the sensing point) reaches set point.
The temperature shown in normal display mode is the entering water temperature, leaving water
temperature and control temperature.
Operation occurs between the set point temperature and a lower set point, determined by the lag or
DIFFERENTIAL programmed. Generally, the lag is negative 3C, meaning that heating will occur at set
point less 3C. Heating will stop when set point is reached.
To check or adjust the current set-point temperature, reference should be made to the controller
manufacturer's operating instructions provided with this documentation.
SECTION 4
It is recommended minor maintenance be performed monthly by the dwelling or pool owner.
The minor maintenance includes:
1. Check condensate drain for blockages.
2. Ensure that water is not collecting in the base of the unit.
RECOMMENDED RHEEM THERMAL SERVICE PROCEDURE
1. In locations where ambient temperature can be very low, if unit is not used for a long period, it is
essential to drain all water from unit to prevent ice build-up in water pipe-work.
2. Leak test refrigerant system once every 6 months.
3. Check correct function of pressure switches and solenoid valves if fitted.
4. Check thermostat operation.
5. Check condensate drain for blockages.
6. Check water inlet and outlet connections for any leaks.
7. Check current draw.
8. Check operating voltage at compressor terminal mains with load and at start-up.
9. For commercial installations, a program of servicing every four months is recommended and should
be undertaken by a specialist refrigeration mechanic. For residential applications, an annual service
program is recommended.
Rheem Thermal Manual
water to water Hot water

OPERATION

Carel Tariff Thermostat Operation
PERIODIC MAINTENANCE
8 04/02/2021