5
TO TURN OFF THE BOILING WATER UNIT
The boiling water units are supplied with a programmable timer (see page 6), Rheem
recommend the timer function be used to conserve energy.
If it is necessary to turn off the boiling water unit:
• Switch off the electrical supply at the isolating switch to the boiling water unit.
• Close the cold water isolation valve at the inlet to the boiling water unit.
TO TURN ON THE BOILING WATER UNIT
• Open the cold water isolation valve fully on the cold water line to the boiling water
unit.
• Switch on the electrical supply at the isolating switch to the boiling water unit.
Note:
The boiling water unit may not appear to turn on immediately when it is first switched
on as the electronic controller will automatically check the system prior to allowing
water into the boiling water unit (this could be up to 10 seconds).
On initial start up after installation, this boiling water unit automatically runs through
a set-up cycle to detect the boiling point of water. During this cycle steam may
discharge from the vent pipe for a short time. This set-up cycle will take up to 18-30
minutes depending on unit, and when completed (boiling point detected) the unit will
commence incremental filling. It is important NOT to operate the tap during the set-up
cycle because it may affect the operating temperature of the unit.
IS THIS BOILING WATER UNIT INSTALLED CORRECTLY?
Installation requirements are shown under Installation (on page 18).
The boiling water unit must be installed:
• by a qualified person, and
• in accordance with the installation instructions, and
• in compliance with Standards AS/NZS 3500.4, AS/NZS 3000 and all local
codes and regulatory authority requirements.
In New Zealand, the installation must also conform to Clause G12 of the New Zealand Building Code
DOES THE WATER QUALITY AFFECT THE BOILING WATER UNIT?
The boiling water unit is suitable for most public water supplies, however some water
qualities may have detrimental effects on the boiling water unit, its components
and
fittings. If you are in a known harsh water area you must first read Water Supplies
(on page 16). If you are not sure, have your water quality checked against the
conditions described on page 16.
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