Page 28
2.0 INSTALLATION
2.2 INSTALLATION
Electrical Power Supplies - BoilerMate
A-Class with Switch.
WARNING
: THE BOILERMATE A-CLASS IS FITTED WITH AN ELECTRIC
BACKUP SYSTEM ‘SWITCH’.
IMPORTANT
: ELECTRICIAN/INSTALLER PLEASE NOTE.
THE 2 x 16A MCB’s (MCB1 and MCB2) FOR THE ‘SWITCH’ ELECTRIC BACKUP
SYSTEM ARE SUPPLIED SET IN THE ‘OFF’ POSITION BY AN ADHESIVE WARNING
LABEL. MCB3 IS SUPPLIED SET IN THE ‘ON’ POSITION. THE GAS BOILER CAN BE
COMMISSIONED WITH THE SWITCHES IN THESE POSITIONS AND MCB1 AND
2 MUST NOT BE SWITCHED ON BEFORE THE GAS BOILER HAS BEEN FULLY
TESTED/COMMISSIONED.
AFTER THE GAS BOILER HAS BEEN COMMISSIONED MOVE MCB’S 1 AND 2
TO THE ‘ON’ POSITION WHICH WILL BREAK THE WARNING LABEL AND THEN
COMMISSION THE SWITCH FACILITY.
L
SL
_
B
E
N
E
L_P
N_
P
Boiler Wiring Terminals
(e.g. Gledhill HE Boiler)
Room ther mostat
SL L E N
Factory fitted programmer
with hot water and central heating
control rockers
Typical external wiring of a standard BoilerMate with ‘Switch’
Double pole
Isolator
Within 2 meters
of appliance
BoilerMate
Wiring Terminals
Permanent mains supply
230V ~50Hz rated at 6,500W
And fused at 32A
6.0mm Feed Cable
2
MCB 2
MCB 1
MCB 3
16A
6A
16A
L
N
N
SL-B
SL-R
L1
L2
L3
E
E
SL-H
SL-F
N
N
N
E
E
PE-IH
N-IH
L-IH
L-IH
V
AL-N
V
AL-L1
V
AL-L2
V
AL-SL
G/Y
G/Y
Bl
Bl
Br
Br
Blk
Blk
SL-W
Summary of Contents for BMA 120 SP
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