Technical data

7.0 Site Requirements
16
7.3 Clearances (Figs. 13 &14)
1. A flat vertical area is required for the installation of the
boiler.
2. These dimensions include the necessary clearances around
the boiler for case removal, spanner access and air
movement. Additional clearances may be required for the
passage of pipes around local obstructions such as joists
running parallel to the front face of the boiler.
3. For unventilated compartments see Section 7.2.
7.4 Gas Supply
1. The gas installation should be in accordance with the
relevant standards. In GB this is BS 6891. In IE this is the
current edition of I.S. 813 “Domestic Gas Installations”.
2. The connection to the appliance is
1
/
2
” BSPF.
3. Ensure that the pipework from the meter to the appliance
is of adequate size. (22mm recommended at the appliance).
Do not use pipes of a smaller diameter than 22mm up to
the boiler connection.
7.5 Electrical Supply
1. External wiring must be correctly earthed, polarised and in
accordance with relevant regulations/rules. In GB this is the
current I.E.E. Wiring Regulations. In IE reference should be
made to the current edition of ETCI rules.
2. The mains supply is 230V ~ 50Hz fused at 3A.
NOTE: The method of connection to the electricity
supply must facilitate complete electrical isolation of the
appliance. Connection may be via a fused double-pole
isolator with a contact separation of at least 3mm in all
poles and servicing the boiler and system controls only.
WARNING: The PCB Control and Fan
Assembly is 325 Vdc. Isolate at supply before
access.
200mm
850mm
490mm
200mm
5mm Min
5mm Min
5mm
500mm
For Servicing
Purposes
Fig. 13
Fig. 14
In Operation
3°
(1 in 20)
320mm