COMMISSIONING
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PRESET OUTLET TEMPERATURE SETTING
The factory preset outlet temperature setting of the water heater is:
• 874 series 55°C
If a temperature controller is connected to the water heater, this will override the preset outlet temperature
setting and the maximum temperature setting will be:
Maximum Outlet Temperature 874 series
Kitchen controller connected 55°C
Bathroom controller only connected 50°C
It is usually not necessary to check or adjust the factory preset outlet temperature setting of the water heater,
unless the customer has a particular requirement for this to be done or it is to be installed as a gas booster to
a solar water heater.
Gas Booster for a Solar Water Heater
Where an 874 series water heater is installed as a gas booster to a solar water heater, the preset outlet
temperature setting must be set at 75°C for the system to operate correctly.
It will be necessary to check and if required to adjust the preset outlet temperature setting of the continuous
flow water heater when:
• it is installed as a gas booster as part of a solar water heater installation
• it is an existing continuous flow water heater and a solar preheat water heater is then installed.
Notes:
• Consideration must be given to the delivery temperature to any ablution and public areas such as a
bathroom, ensuite or public amenities. Refer to “Hot Water Delivery” on page 45 and to “Schematics of 2
Temperature Zones Using A Temperature Limiting Device” on page 46.
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