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15
7.0 Site Requirement
© Baxi Heating UK Ltd 2011
7.3
Ventilation of Compartments
1. Where the appliance is installed in a cupboard or
compartment, no air vents are required. The appliance will
run sufficiently cool without ventilation.
7.4
Gas Supply
1. The gas installation should be in accordance with the
relevant standards. In IE this is the current edition of I.S.
813 “Domestic Gas Installations”.
2. The connection to the appliance is a 3/4” copper tail
located at the rear of the gas service cock (Fig. 7).
3. Ensure that the pipework from the meter to the
appliance is of adequate size, and the demands of any
other gas appliances in the property are taken into
consideration. Do not use pipes of a smaller diameter than
the boiler gas connection (3/4”).
7.5
Electrical Supply
1. External wiring must be correctly earthed, polarised and
in accordance with relevant regulations/rules. 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.
3. When the system includes an indirect domestic hot
water cylinder it is recommended that a cylinder
thermostat is used in conjunction with a 3 port 2 position
valve or 2 port zone valve.
7.6
Bath & Shower Rooms
1. If the boiler is fitted in a room containing a bath or
shower reference should be made to the current edition of
I.S. 813 “Domestic Gas Installations” and the current ETCI
rules.
Fig. 7
Gas Service Cock