gledhill BM125 Installation And Servicing Instructions page 26

WARNING
: IF THE BOILERMATE IS FITTED WITH AN OPTIONAL ELECTRIC
BACKUP SYSTEM I.E. 'SWITCH' .
IMPORTANT
: ELECTRICIAN/INSTALLER PLEASE NOTE.
THE 2 x 25A FUSES FOR THE 'SWITCH' ELECTRIC BACKUP SYSTEM ARE
SUPPLIED IN THE ACTIVE FUSE CARRIER. THE GAS BOILER CAN BE
COMMISSIONED WITHOUT INSERTING THESE FUSES.
IT IS IMPORTANT THAT THE GAS BOILER IS COMMISSIONED BEFORE TESTING
OR USING EMERGENCY SWITCH FACILITY.
AFTER THE GAS BOILER HAS BEEN COMMISSIONED CUT AND REMOVE THE
PLASTIC TIE AND PUSH DOWN FULLY THE CARRIAGE TO COMMISSION THE
SWITCH FACILITY.
FS 1 FS 2
FS 3
PROTEUS
PROTEUS
NFC881
NFC881
32 AMP 32 AMP
MAX MAX
R
5
AMP
BS88 BS88
Copper
Bus Bar
BL
R
BLK
G/Y
Mains in via
cable tail
4 5 6 7 8 9 10
4 5 6
7 8 9 10
L
E N SL E L N
Outgoing
Supplies to
Outgoing
Roomstat
Supply
(if fitted)
to Boiler
2.0 INSTALLATION
2.2 INSTALLATION
Electrical Power Supplies - BoilerMate
with Switch.
A heavy duty electrical supply, see table on
page 18, is required for this model and we
recommend that a fully qualifi ed electrician
must undertake this work.
The electrical installation must comply with
the IEE Requirements for Electrical Installations
BS 7671.
Note: do not attempt the electrical work
unless you are competent to carry it out to
the above standards.
A 10.0mm
tail for the installer to connect to a double
pole linked isolator with a contact separation
of 3mm in both poles which must not be more
than 2 metres away from the appliance.
A schematic arrangement of the internal wiring
is shown on page 24.
All terminals are labelled.
Before commencing check that the power
supply source (i.e. isolator) is in accordance
with section 1.2 Site Requirements and ensure
it is isolated.
Run the 3 metre tail through the service slot
provided in the base of appliance.
The recommendations contained under
Electrical Connection - Standard Appliance
should be followed when connecting a remote
clock, room thermostat, boiler etc.
WARNING : DO NOT SWITCH ON ELECTRIC
BACKUP, IF FITTED, UNTIL THE APPLIANCE
HAS BEEN FULLY COMMISSIONED i.e.
PRIMARY STORE IS FILLED AND VENTED.
11 12 13 14 15
11
SL
Page 26
2
power cable is fi tted with a 3 metre
2000