2. Typical combination boiler installation with Room Stat
5
3. Fully Pumped System with Room Stat and two port spring return valve
(with auxiliary switch) on Heating circuit
N
L
1
2
3
4
MAINS
SUPPLY
E
N
L
FOR PRECISE TERMINAL
CONNECTION INFORMATION
PLEASE RFFER TO BOILER
MANUAL, INSTRUCTIONS.
COMBINATION BOILER TERMINALS
E
N
L
REMOVE LINK
IF FITTED
BOILER LIVE OUT
TERMINALS-L2
SHOULD NOT
BE LINKED
ROOM
STAT
SAT
CALL
C
N
PUMP &
BOILER
L
N
N
L
1
2
3
4
MAINS
SUPPLY
E
N
L
SAT
CALL
CYL
STAT
C
ROOM
STAT
C
N
SAT
ZONE
VALVE
CALL