Rayburn Heatranger 440, Installation Instructions Manual

Page: 21 / 44

21
Commissioning Instructions
Fig. 16
OVEN VENT FAN
N
SW/L BOILER
HTG ON
H/W OFF
H/W ON
PN NEUTRAL
PL LIVE
L LIVE
N NEUTRAL
E EARTH
SPARE NEUTRAL TERMINAL
SWITCH LIVE TO OPERATE BOILER FROM ROOM STAT
OR CYLINDER STAT VIA ZONE VALVES IF FITTED
TO ROOM STAT/ZONE VALVE(S) ETC ( IF FITTED)
FROST STAT (SEE NOTE BELOW)
TO CYLINDER STAT/ZONE VALVE(S) ETC (IF FITTED).
PUMP SUPPLY (THE CIRCULATING PUMP MUST BE
CONNECTED DIRECTLY TO THIS SUPPLY)
PUMP SUPPLY (THE CIRCULATING PUMP MUST BE
CONNECTED DIRECTLY TO THIS SUPPLY)
3 AMP PERMANENT SUPPLY
NOTE:
If no Hot Water System Controls are used a link MUST be fitted between H/W ON and SW/L BOILER.
If no Central Heating System Controls are used a link MUST be fitted between HTG ON and SW/L BOILER.
If a Frost Thermostat is fitted it MUST be connected to SW/L BOILER and H/W OFF
TERMINAL STRIP CONNECTIONS