Program Button - Bosch 940 ESO Installation Manual

8.9

Program button

Program button can be used on the appliance and in the
remote control.
Programming "Program" function
Programming actions are similar for both controls
(appliance control pad and wireless remote control).
Fig. 53 "Program" key
Memorizing selected temperature
B Press buttons or
memorized.
B Hold "Program" button for 3 seconds to save
temperature.
When LCD stops blinking, temperature is saved in
memory.
Using "Program" function
In order to select memorized temperature
B Press "Program" key.
LCD shows pre-memorized temperature, which is now
the hot water selected temperature.
8.10 Locked condition
This condition is only valid for appliances with one or
more remote controls installed.
Fig. 54 Locked condition
Whenever LCD shows
cannot be adjusted because the appliance is in use by
a user which already selected a different temperature.
Appliance will be automatically unlocked after closing
the hot water tap.
9 Maintenance and service
Warning: Always turn off the electrical
power supply, turn off the manual gas
shut off valve and turn off the water shut
off valves whenever servicing.
6 720 644 956
to select temperature to be
the temperature setting
Caution:
B Check and clean the complete water
heating system once a year.
B Carry out a maintenance overhaul if
necessary. Immediately repair defects to
avoid damage to the system.
Annual maintenance table
1. Inspect venting system
2. Inspect Combustion chamber
3. Inspect burner
4. Inspect water filter
Table 6 Annual maintenance
The unit should be checked once a year by a gas
technician. If repairs are needed, the repairs should be
done by a gas technician.
9.1 Annual maintenance
(To remove front cover, see page 7.)
Venting System
• Venting system - remove outdoor vent cap and
inspect inside of flue pipe for any blockage or
restriction. Observe burner flames during heater
operation. Inspect the combustion air opening for
blockage or debris. Inspect outdoor vent cap louvers
for blockage or debris.
Combustion chamber
• Inspect burner observation window (Fig. 65, #10) for
cracks or spillage of flue gases. Observe burner
flames during heater operation. Flames should be
steady and blue with no signs of yellowing. Yellow
burner flames are an indication of improper
combustion. Refer to Section 3.3 of this manual to
ensure that exhaust system and combustion air
supply meets manufacturer's specifications.
Pressure relief valve
• Manually open the pressure relief valve to ensure
proper operation.
Inlet water filter
• Verify the inlet filter screen is clean and undamaged.
The inlet water filter is located above the ¾" cold
water inlet on the right side of the appliance (See
Fig. 26, page 20). Close installer supplied cold water
shutoff and supplied water shutoffs, carefully remove
inlet and outlet clips on watervalve. Remove water
valve to access filter. Clean or replace if damaged.
Maintenance and service
Every year
X
X
X
X
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