Component Location - York PHG6A24 Installation Manual

5322625-UIM-A-0417
BLOWER MOTOR
TXV
INDOOR COIL
INDOOR BLOWER
COMPRESSOR
REMOVABLE
BASE RAILS
FIGURE 1: Component Location
LOCATION
Use the following guidelines to select a suitable location for these units:
outdoor installation
1. Unit is designed for
2. Outdoor coils must have an unlimited supply of air. Where a choice
of location is possible, position the unit on either north or east side
of building.
3. Suitable for mounting on roof curb.
WARNING
!
Do not attach supply and return duct work to the bottom of the unit
base pan as the drain pan could be compromised.
4. For ground level installation, a level pad or slab should be used.
The thickness and size of the pad or slab used should meet local
codes and unit weight. Do not tie the slab to the building foundation.
5. Roof structures must be able to support the weight of the unit and
its options/accessories. Unit must be installed on a solid, level roof
curb or appropriate angle iron frame.
6. Maintain level tolerance to 1/8" across the entire width and length of
unit.
WARNING
!
Excessive exposure of this furnace to contaminated combustion air
may result in equipment damage or personal injury. Typical contami-
nates include: permanent wave solution, chlorinated waxes and
cleaners, chlorine based swimming pool chemicals, water softening
chemicals, carbon tetrachloride, Halogen type refrigerants, cleaning
solvents (e.g. perchloroethylene), printing inks, paint removers, var-
nishes, hydrochloric acid, cements and glues, antistatic fabric soften-
ers for clothes dryers, masonry acid washing materials.
CLEARANCES
WARNING
!
Do not permit overhanging structures or shrubs to obstruct outdoor
air discharge outlet, combustion air inlet or vent outlets.
All units require particular clearances for proper operation and service.
Installer must make provisions for adequate combustion and ventilation
4
FAN MOTOR
air in accordance with section 5.3 of Air for Combustion and Ventilation
of the National Fuel Gas Code, ANSI Z223.1 – Latest Edition (in
U.S.A.), or Sections 7.2, 7.3, or 7.4 of Gas Installation Codes, CSA-
only.
B149.1 (in Canada) - Latest Edition, and/or applicable provisions of the
local building codes. Refer to Table 4 for clearances required for com-
bustible construction, servicing, and proper unit operation.
RIGGING AND HANDLING
If a unit is to be installed on a roof curb other than a Unitary Products
roof curb, gasket or sealant must be applied to all surfaces that come
in contact with the unit underside.
All panels must be secured in place when the unit is lifted.
The outdoor coils should be protected from rigging cable damage
with plywood or other suitable material.
Exercise care when moving the unit. Do not remove any packaging until
the unit is near the place of installation. Rig the unit by attaching chain
or cable slings to the lifting holes provided in the base rails. Spreader
bars, whose length exceeds the largest dimension across the unit,
MUST
Before lifting, make sure the unit weight is distributed equally on the
rigging cables so it will lift evenly.
Units may be moved or lifted with a forklift. Slotted openings in the base
rails are provided for this purpose.
OUTDOOR FAN
COIL GUARD PANEL
OUTDOOR COIL
(Behind Panel)
PRESSURE SWITCH
DRAFT INDUCER BLOWER
CAUTION
!
CAUTION
!
be used across the top of the unit.
CAUTION
!
Johnson Controls Unitary Products
CONTROL BOARD
TRANSFORMER
HIGH VOLTAGE
CONTACTOR
GAS HEAT
EXCHANGER
GAS VALVE
BURNER
ASSEMBLY
A0444-001