O Potterson CF 20/35, Инструкция по установке и обслуживанию

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The principle of wiring is shown in FIG. 11 . It should be noted that the pump m
ust be wired directly to the boiler terminal block on FULLY PUMPED systems
and to thejunction box or programmer on combined GRAVITY HOT WATER/P
UMPED CENTRAL HEATING systems.
FIG. 12. WIRING THE BOILER FOR A FULLY PUMPED SYSTEM
Pull off the boiler thermostat knob. See FIG. 2 .
Remove two screws securing control panel cover and remove cover.
Route a four core cable through the plastic bush in the rear of the control pane
l and the cable clamp as illustrated
FIG. 12 . Connect the cable to the boiler in
put terminals asfollows:
Permanent live to terminal marked MAINS
‘L’
Neutral to terminal marked MAINS
‘N’
Earth to terminal marked MAINS
‘ ’
Switched live from external controls to terminal marked MAINS
‘SwL’
If there are no external controls fitted connect the SwL terminal to permanent l
ive in the junction box. Secure the cable within the cable clamp by tightening t
he two securingscrews.
Following the pump
manufacturer’s instructions connect the pump supply wire
s to terminals marked PUMP L, N and on the boiler terminal block. Route th
e cable throughthe plastic bush in the rear of the control panel and the cable c
lamp as illustrated
FIG. 12 . Secure the cable within the clamp by tightening th
e two securing screws.
Refit control panel cover and thermostat knob.
CONNECTING SYSTEM PIPEWORK - Page 15