60
FAULT FINDING
Check central heating and controls
Ensure that radiator temperature control knob
is set to ver
tical position and that any inter
nal
timer (if fitted) is calling for heat
No
Is 230 V
AC present across ter
minals 4 and 5
No
Exter
nal fault: Check all exter
nal controls are
calling for heat, replace or repair as necessar
y
(see also note 1 sheet A)
Ye
s
Ye
s
Disconnect built in timer (if fitted)
No
Go to sheet D
Does ignition
commence?
No
Ye
s
Replace defective
timer
Sheet C
Does yellow central heating demand
indicator glow?
Does yellow flame indicator flash?
Содержание TURBOmax Pro 2 E
Страница 31: ...31 COMMISSIONING PART I...
Страница 32: ...32 COMMISSIONING PART I 2 5 3 4 Fig Com 1 Draining the heating system Eor B S 207 0GB_Pro...
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