Bosch Thermotechnik 8 719 002 460 0 Instrucciones De Instalación página 27

2 Gas Type Conversion
CAUTION:
B LP AND NG ARE EXTREMELY
FLAMMABLE. TAKE EXTRA
PRECAUTIONS WHEN PERFORMING ANY
WORK TO THE HEATER.
PROCEDURE MUST BE PERFORMED BY A
LICENSED GAS TECHNICIAN.
A. Preparation
1. Tools needed:
• Flat screwdrivers
• Phillips screwdrivers
• # 40 Torx driver
• Digital combustion analyser
B 2. Shut off gas supply at installer supplied
shutoffvalve.
B 3. Unplug the power cord.
B 4. Remove front cover.
B 5. Remove the three screws from the control unit.
Fig. 1
B Pull control unit out and rotate to reveal the back
side.
B Remove the small cover of the control unit.
Fig. 1
6 720 608 915 (2012/03)
B. Converting from NG to LPG
B 1. Remove jumper from location JP6 on the control
board (Fig. 2).
Fig. 2
B 2. Replace small cover on control unit's back and
reinstall control unit in the water heater.
B 3. Turn ON the appliance.
B 4. Adjust CO
C Converting from LPG to NG
B 1. Add jumper to location JP6 on the control board
(Fig. 3).
6720608915-02.1AL
Fig. 3
6720607679-08.1AL
B 2. Replace small cover on control unit's back and
reinstall control unit in the water heater.
B 3. Turn ON the appliance.
B 4. Adjust CO
NG to LPG
P1 fan speed is automatically adjusted
when jumper is removed, to verify value
see table 3.
(see chapter 2.1).
2
LPG to NG
P1 fan speed is automatically adjusted
when is added the jumper, to verify value
see table 3.
(see chapter 2.1).
2
Gas Type Conversion
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6720607679-06.1AL
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