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How To Use; (Not Using The Remote Controller) - Bosch 660 EF User Manual

Indoor model/ natural gas/lp gas boilers
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Operation instructions
3. Open the gas supply valve.
CLOSED
Fig. 39 closed and open on valves
4. Turn on the power.
Warning:
Do not touch with wet hands.
5.3
How to Use (Not using the remote
controller)
Setting and Using the Water Heater
The factory temperature setting is 120 °F (50 °C)
(fixed). Mix with cold water with a mixing valve or at the
fixture for desired temperature.
1. Check that electrical power is connected.
2. Turn on hot water.
3. Mix for desired temperature.
4. Turn off the hot water.
The electrical power does not need to be
i
disconnected between uses.
If you want to the temperature to be changed to 130 °F
(55 °C) or 140 °F (60 °C), contact the installer or
Bosch.
Danger: To prevent scalding
Hot Water Heater temperatures over
125 °F (52 °C) can cause severe burns
instantly or death from scalding.
Children, disabled and elderly are at the
highest risk of being scalded.
Feel water temperature before bathing
or showering.
Temperature limiting valves are available
(installer supplied).
34
OPEN
6 720 644 063

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660 efo