Typical Gravity DHW with Pumped Heating
2
1
COM
CALL
L
N
Typical domestic gas or oil-fi red central heating system
with gravity hot water and pumped heating. (If a room
thermostat is not used, wire pump live directly to terminal 2
of the 102E7).
3
LINK
ROOM
'STAT
N
BOILER
TERMINALS
5
6
102E7
102E5
TERMINALS
TERMINALS
L
N
L
N
MAINS
SUPPLY
FUSED
3 AMP
PUMP
TERMINALS
7
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