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COMMISSIONING
81
14. Check the water temperature at the hot tap by repeating steps 2 to 5.
if the water temperature is still below 50°C and requires to be increased, repeat steps 11 to 13,
followed by steps 2 to 5 until an acceptable water temperature not exceeding 50°C is measured at
the same hot tap.
if the water temperature exceeds 50°C then;
switch DIP switch 3 to the on (up) position on the PCB.
The outlet temperature setting will show on the LED display.
press the MIN button once to decrease the outlet temperature setting to the next increment.
Each press of the MIN button will decrease the preset temperature by one increment.
The MIN button is located below the DIP switches, adjuster button and MAX button.
switch DIP switch 3 to the off (down) position on the PCB.
The LED display will go blank.
Note: Wait five (5) seconds for the setting to be saved.
repeat steps 2 to 5 to confirm the water temperature does not exceed 50°C.
15. Switch off the electrical supply at the power outlet to the water heater.
16. Reconnect the controller cables (if a temperature controller is fitted), by following step 4 of the procedure
“Connecting the Controller(s) to the Water Heater” on page 72.
17. Reset the DIP switches if the water heater is part of an Ez-link system installation, by following steps 8
and 10 of the procedure “Ez-Link Cable Connection” on page 63.
18. Refit the front panel and screws to the water heater.
19. Refit the cover strips to the top and bottom of the front panel by inserting the two posts into the two
recesses and gently pushing into position.
20. Switch on the electrical supply at the power outlet to the water heater.
TO TURN OFF THE WATER HEATER
If it is necessary to turn off the water heater on completion of the installation, such as on a building site or
where the premises is vacant, then:
Turn off the controllers(s) (if fitted) by pressing the on / off ( ) button.
The on / off operating light will go out and the priority light, if it is on, will go out.
Switch off the electrical supply at the power outlet to the water heater (refer to note below).
Close the gas isolation valve at the inlet to the water heater.
Close the cold water isolation valve at the inlet to the water heater.
Drain the water heater if there is a risk of freezing conditions occurring (refer to “Draining The Water
Heater” on page 82).
Notes:
The frost protection system will be rendered inoperable if electrical power is not available at the water
heater.
Damage caused by freezing due to the unavailability of power at the water heater is not covered by the
Rheem warranty (refer to “Terms of the Rheem Warranty” on page 83).
If the power has been switched off to the water heater and there is a risk of freezing, then it is necessary
to drain the water heater (refer to “Draining the Water Heater” on page 82).
X 10L
88
°C
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