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Use Of Optional Remote Control Accessory; Tstat2); Operation; Reset Button - Bosch 940 ESO Manual

940 eso - natural gas / 940 eso - liquefied petroleum (lp) gas
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Fig. 46
10.5
Use of optional remote control accessory (part no.

TSTAT2)

Fig. 47 Remote control
The wireless remote control accessory (Fig.71, component 13) and the
temperature selector buttons on the front of the water heater operate
identically. Contact your distributor to order the remote control
10.8

Fan speed

10.8.1 Fan speed adjustment
IMPORTANT! Installation adjustment:
After installing the water heater, the fan speed values for minimum
power (P2) and maximum power (P1) may need adjustment due to
variations in altitude.
Failure to make necessary adjustments to fan speed values may result in
improper operation of the appliance.
940 ESO
accessory. Modification of the water heaters interior control unit
(Fig.71, component 16) is required when installing the remote control
with this heater.
NOTE: up to 6 remote controls can be programmed for
one single water heater, each with a range distance of 98
ft (30 m).
10.6

Operation

▶ When a hot water tap is opened, main burner ignites and LCD
displays indication
.
Fig. 48
▶ LCD flashes until selected temperature is reached.
▶ Power bar indicates power percentage in use.
10.7

Reset button

If the LCD shows the error symbol
the heater. Follow instructions below to reset error first.
Record the error code on LCD and consult "Problem solving" chapter
13.1, page 36.
Fig. 49
After following instructions indicated in "Troubleshooting" section,
▶ press reset button firmly in order to return heater to normal
operation.
Fig. 50 Reset button
If the problem persists, contact your installer.
Use the equivalent vent length value to determine the appropriate fan
speed value found in the Table15. Refer to page 51 on how to adjust the
fan speeds if an adjustment is necessary. After changing fan speed
values, proceed to section11.4 to confirm CO2 values are within
specified ranges.
Operation instructions | 27
do not shut off power or unplug
6 720 644 956 (2016/05)

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