T9901090-5-1 UK (v9)
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Electrical Supply and Wiring to the Air Curtain
All electrical wiring and connections MUST be carried out by a competent qualified electrician in
accordance with the latest edition of IEE wiring regulations and local statutory regulations if applicable.
A 1 phase or 3 phase local isolator having a contact
separation of at least 3mm on all poles must be fitted in the
electrical supply to the air curtain and located in an accessible
position adjacent to the unit.
The appliance must be connected by cables having an
appropriate heat resistant temperature rating. Electrical
connection entry point for horizontal Designer PHV air curtain
is from the left hand side of the air curtain, refer Appendix 1.
The adjacent picture details optional electrical connection
entry points for vertical Designer PHV models. Power and
control cables for vertical units should be separately threaded
up via the cable trunking provided (see insert).
All supply cables, circuit breakers and other electrical installation equipment must be correctly
sized for the air curtain model being installed; see section 3: Specifications.
Models operating on a 3 phase electrical supply - see section 3: Specifications - require a
neutral connection (3N~).
A 25mm size cable gland or conduit connector of IP21 rating or above should be used for the
Electrical Supply into the air curtain.
See Wiring Diagrams for connecting electrical supply and control cables to the air curtain. The
air curtain must be earthed.
2. ELECTRICAL
SAFETY
Optional Electrical
Connection Entry Points
