Rheem 325 II Series Service Instructions Manual page 60

4. Screw new tempering valve into heater using thread tape on threaded section.
5. Insert cold pipe into tempering valve quick connect fitting and push up to click pipe into
place (no tool required).
6. Reconnect warm water pipe using thread tape on threaded section.
7. Close hot tap or T&PR valve, restore water supply and check for leaks.
8. Purge air from the system through hot taps.
9. Refit the tempering valve and cold pipe access covers.
10. When tank is full restore electrical supply.
After replacing the tempering valve the warm water temperature will need to be checked to
ensure correct operation. Refer to „Tempering Valve Adjustment Procedure (RheemPlus
Models)‟ on page 60.
Tempering Valve Adjustment Procedure (RheemPlus Models)
1. Ensure heater
temperature (60 - 70°C). This can be
checked at the T&PR valve.
2. Remove the tempering valve cover.
3. Check temperature at the NEAREST
warm water tap. A reading of 48°C +/-
1.5°C should be obtained.
4. If the water temperature is outside these
limits, adjust the tempering valve using
a 6 mm allen key.
Turning the adjusting screw counter
clockwise increases the outlet water
temperature
Turning the adjusting screw clockwise
decreases the outlet water temperature.
5. Repeat the
measurement at the same hot tap and
continue making adjustments until the
required temperature is achieved (refer
to Step 3 above).
6. If the required temperature can not be
achieved, the tempering valve should be
replaced (refer to page 59).
Ensure Temperature at the warm water outlet nearest the water heater does
not exceed 50 Deg C as required by AS3500.4 clause 1.9.2.
7. Refit all covers.
TM077: 325 & 410 Series II Heat Pump Service Instructions
Rev 00: Issued April 2014
This document is stored and maintained electronically by
is at operating
water temperature
RHEEMPLUS TEMPERATURE ADJUSTMENT
RHEEMPLUS CASING REMOVAL
Service. All printed copies are deemed uncontrolled.
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