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General Installation Information
Safety Considerations
WARNING: Before performing service or
maintenance operations on a system, turn off main
power switches to the indoor unit. If applicable, turn
off the accessory heater power switch. Electrical
shock could cause personal injury.
Installing and servicing heating and air conditioning equipment can
be hazardous due to system pressure and electrical components.
Only trained and qualified service personnel should install, repair
or service heating and air conditioning equipment. Untrained
personnel can perform the basic maintenance functions of cleaning
coils and cleaning and replacing filters. All other operations should
be performed by trained service personnel. When working on
heating and air conditioning equipment, observe precautions in
the literature, tags and labels attached to the unit and other safety
precautions that may apply.
Follow all safety codes. Wear safety glasses and work gloves.
Use a quenching cloth for brazing operations and have a fire
extinguisher available.
Moving and Storage
Move units in the normal "up" orientation. Horizontal units may
be moved and stored per the information on the packaging. Do
not stack more than three units in total height. Vertical units may
be stored one upon another to a maximum height of two units.
Do not attempt to move units while stacked. When the equipment
is received, all items should be carefully checked against the bill
of lading to be sure all crates and cartons have been received.
Examine units for shipping damage, removing the units from the
packaging if necessary. Units in question should also be internally
inspected. If any damage is noted, the carrier should make the
proper notation on the delivery receipt, acknowledging the damage.
Unit Location
Locate the unit in an indoor area that allows for easy removal of
the filter and access panels. Location should have enough space
for service personnel to perform maintenance or repair. Provide
sufficient room to make water, electrical and duct connection(s). If
the unit is located in a confined space, such as a closet, provisions
must be made for return air to freely enter the space by means of a
louvered door, etc. Any access panel screws that would be difficult to
remove after the unit is installed should be removed prior to setting
the unit. On horizontal units, allow adequate room below the unit for a
condensate drain trap and do not locate the unit above supply piping.
Care should be taken when units are located in unconditioned
spaces to prevent damage from frozen water lines and excessive
heat that could damage electrical components.
AFFINITY & AFFINITY ADVANCED SINGLE & DUAL CAPACITY SERIES INSTALLATION MANUAL
Filter Rack Conversion
A 2 in. MERV 11 filter is shipped with the heat pump. To field
convert the filter rack to use 1 in. filters, simply insert the provided
plastic push pins into the holes located in the filter rack. There are
holes on the top and bottom of the rack, underneath the instruction
labels, for field conversion to 1 in. filters.
Installing Vertical Units
Prior to setting the unit in place, remove and discard the
compressor hold down shipping bolt located at the front of the
compressor mounting bracket.
Vertical units are available in left or right air return configurations.
Top and rear air discharge vertical units should be mounted level
on a vibration absorbing pad slightly larger than the base to
provide isolation between the unit and the floor. It is not necessary
to anchor the unit to the floor (see below).
Bottomflow units should be mounted level and sealed well to floor
to prevent air leakage. Bottomflow units require the supply air
opening to be cut at least 1/2 in. larger than the unit's air outlet.
Protect the edges of combustible flooring with sheet metal over-
wrap or other non-combustible material.
Figure 1: Vertical Unit Mounting
Unit Mounting
2 in. Extruded
Polystyrene
5
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