Potterton Performa 24i HE Installation And Service Instructions Manual page 15

7.0 SITE REQUIREMENTS
7.3 Ventilation of Compartments
1. Where the appliance is installed in a cupboard or
compartment, no air vents are required.
2. BS 5440: Part 2 Clause 4.2 refers to room sealed
appliances installed in compartments. 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 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 a 22mm copper
tail located at the rear of the gas service cock
(Fig. 11).
3. Ensure that the pipework from the meter to the
appliance is of adequate size. Do not use pipes of a
smaller diameter than the boiler gas connection
(22mm).
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 ~ 50H z 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.
Publication No. 5111813
Gas Service Cock
Fig. 11
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