Technical data

1111..00 SSEERRVVIICCEE MMOODDEE

2266

x Boiler

s 2008

NNOOTTEE::

Service Mode automatically stops after 10 minutes

and the boiler returns to normal operation.

1. Turn the CH knob fully clockwise - Note the knob will turn

past the maximum temperature mark (Fig. 45).

2. The CH light will flash continuously - the boiler is now

running at minimum rate.

1. Set the boiler into Service Mode at Minimum Rate.

2. Whilst in Service Mode at Min Rate, turn the CH knob to 12

‘O’ clock position and then back to fully clockwise (past the

maximum temperature indicator) within 3 seconds. The boiler

will now run at maximum gas rate for 10 minutes.

3. To exit Service Mode, turn the CH knob anti-clockwise to

the temperature previously set by the customer. The CH light

will now stop flashing.

1111..11 TTOO SSEETT TTHHEE BBOOIILLEERR AATT MMIINNIIMMUUMM GGAASS RRAATTEE

1111..22 TTOO SSEETT TTHHEE BBOOIILLEERR AATT MMAAXXIIMMUUMM GGAASS RRAATTEE

FFiigg.. 4455 FFiigg.. 4466

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