Rheem Water Heater

COMMISSIONING

TO FILL AND TURN ON THE WATER HEATER

The power supply to the water heater must not be switched on and the

gas pilot or burner must not be lit until the water heater is filled with water

and a satisfactory megger reading is obtained.

• Open all of the hot water taps in the house (don’t forget the shower).

• Open the cold water isolation valve fully to the water heater.

Air will be forced out of the taps.

• Close each tap as water flows freely from it.

• Check the pipe work for leaks.

• Bleed the solar collectors (refer to “Bleeding the Solar Collectors” on

page 46).

• Switch on the electrical supply at the isolating switch to the water heater.

The isolating switch must be switched on for the solar control unit to operate

and solar gain to be achieved.

• Program the timer (refer to “Timer Operation” on page 16).

Note: It is recommended the timer be set to enable boosting between

4:00 PM and 6:30 PM.

• If necessary, press the timer “MAN” button to activate the “OVERRIDE”

function of the timer.

This will allow the gas control system to operate.

• Open the gas isolation valve fully.

• Check the gas pipe work for leaks.

• Light the water heater (refer to “Lighting the Water Heater” on page 48).

• When you are satisfied the main burner is operating correctly, press the

timer “MAN” button to deactivate the timer.

The main burner will extinguish.

Warning: Upon completion of the installation and commissioning of the

water heater, leave this guide with the householder or a responsible officer.

DO NOT leave this guide inside of the cover of the water heater, as it may

interfere with the safe operation of the water heater or ignite when the water

heater is turned on.

Explain to the householder or a responsible officer the functions and operation

of the timer.