Page 94 - B8773-AEW-XX-XX-PP-A-0001_[P4]_Contractors Manual

D R A F T

4.6.8 Air Conditioning
‘Comfort cooling’ will normally be provided Condensate from the indoor unit shall be
in the form of a split system ceiling mounted run to a suitable drain position, in concealed
cassette unit to provide both a cooling and pipework. Refrigeration pipework and wiring
heating facility. The equipment shall be supplied shall be neatly clipped to the structure and fixed
by a recognized reputable manufacturer and to cable tray as appropriate. Insulation shall be
the HVAC contractor shall be responsible for a cellular foam product using CFC-free blowing
selecting suitable and appropriate equipment agents, such as by Armaflex. .
for the purpose.
Refrigeration medium shall be R407C or other
The unit shall be sized with regards to the size approved and suitable gas.
of the store and the operating conditions to be
found therein. As an alternative to a split cassette system, an
appropriately designed ducted system may be
The system shall generally comprise an indoor installed if the franchisee wishes.
cassette unit, outdoor wall/floor mounted
condensing unit and all inter-connecting
refrigerant pipework, insulation and associated
power and control wiring from an isolator left by
the electrical subcontractor.

The indoor unit shall be controlled by a wall
mounted hard wired matching controller.

The face plate of a ceiling mounted indoor unit
in the Bake & Serve or Customer area must be
sprayed to RAL 7037 to match the grey ceiling
colour.

Units in other areas and Wall mounted units
should however always be left in standard white.

The outdoor condensing unit will be wall or floor
mounted, as shown on the project drawings, at
a position to give access for maintenance.

The main electrical contractor shall run a
30amp single phase supply to the position of the
outdoor unit, terminating in a suitable outdoor
weathered, lockable isolator.

4.6.8 Air Conditioning 3 February 2016