Technical data

13
INSTALLATION
SAFETY CONSIDERATIONS
Installation, start-up and servicing this equipment can be
hazardous due to system pressures, electrical components and
equipment location (roofs, elevated structures, etc.).
Only trained, qualified installers and service mechanics should
install, start-up and service this equipment.
Untrained personnel can perform basic functions, such as
cleaning coils. All other operations should be performed by
trained service personnel.
When working on the equipment, observe precautions in the
literature, and on tags, stickers, and labels attached to the
equipment.
• Follow all safety codes.
• Wear safety glasses and work gloves.
• Use care in handling, rigging and setting down bulky
equipment.
WARNING: Before doing any work ensure that the power
supply (400 V and 230 V) is disconnected, and switches and
isolators are opened and tagged.
During operation some parts of the unit reach or exceed
temperatures of 70
° C (e.g. compressor discharge side,
discharge line). Only trained and qualified engineers, aware of
these hot surfaces, are allowed to perform maintenance
operations.
Preliminary checks
Check equipment received
• Inspect the unit for damage or missing parts. If damage is
detected, or if shipment is incomplete, immediately file a
claim with the shipping company.
• Confirm that the unit received is the one ordered.
Compare the nameplate data with the order.
• Confirm that all accessories ordered for on-site installation
have been delivered, and are complete and undamaged.
Moving and siting the unit
Location for installation
• The permitted loading at the site must be adequate or
appropriate strenghtening measures must be taken.
• The surface must be horizontal, flat and intact.
• There must be adequate space around the unit to make
power and water connections and for service and air flow.
• There must be adequate support points and they must be
in the right places.
• The location must not be subject to flooding.
• Where heavy snowfall is likely and long periods of sub-
zero temperatures are normal, provision has been made to
prevent snow accumulating by raising the unit above the
height of drifts normally experienced. Baffles may be
necessary to deflect strong winds and to prevent snow
from blowing directly into the unit. They must not restrict
air flow into the unit.
CAUTION: Before lifting the unit, check that all casing panels
are securely fixed in place. Lift and set down the unit with
great care. Tilting and jarring can damage the unit and impair
unit operation.
The units can be hoisted with rigging or lifted by forklift. Coils
should always be protected against crushing while a unit is
being moved. Use struts or spreader bars to spread the slings
above the unit. Do not tilt a unit more than 15°.
WARNING: Never push or lever on any of the enclosure panels
of the unit. Only the base of the unit frame is designed to
withstand such stresses.