Page 30
INSTALLATION
INST
ALL
A
TION
Electrical Power/Control Supplies
WARNING
: THE BOILERMATE A-CLASS OV SOL 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.
Roomther mostat
SL L
E N
Factory fitted 2 channel
digital clock (prewired)
Typical external wiring of a BoilerMate A-Class OV SOL
L
SL
_B
E
N
E
L_
P
N
_
P
Boiler Wiring Terminals
(e.g. Gledhill HEBoiler)
Double pole
Isolator
Within 2 meters
of appliance
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
N
L
N
E
SL-W
SL-B
SL-R
L1
L2
L3
N
N
N
SL-F
N-IH
L-IH
L-IH
SL-H
E
E
PE-IH
G/Y Bl
Br
Blk
G/Y
Bl
Br
Blk
VAL-N
VL-N/O
VAL-SL
Sc
Sc
SC Solar Panel Sensor
VAL-PE
Sz
Sz
SZ Solar Zone Sensor
VL-N/C
This is supplied with 2.5m of 2 x 0.5mm
2
double insulated cable. If necessary, this
will need extending. It is recommended
that it should be jointed into a 5amp
junction box located in the roof space
adjacent to the solar panel(s).
Factory fitted