Amana PGB**C Installation Instructions Manual Download Page 10

10

Vl. Circulating Air and Filters

Airflow Conversion

Units can easily be converted from horizontal to vertical
airflow delivery.

Units will ship from the factory ready for horizontal
airflow. If conversion to vertical airflow is necessary,
proceed as follows:

Cut insulation around bottom openings and remove
panels from the bottom of the unit, saving the screws
holding the panels in place.

Use horizontal duct cover kit (CHK001*).

Figure 7

Horizontal Duct Cover Kit

Ductwork

Duct systems and register sizes must be properly de-
signed for the C.F.M. and external static pressure rating
of the unit. Ductwork should be designed in accordance
with the recommended methods of  Air Conditioning
Contractors of America Manual D (Residential) or Manual
Q (Commercial). All ductwork exposed to the outdoors
must include a weatherproof barrier and adequate insu-
lation.

A duct system should be installed in accordance with
Standards of the National Board of Fire Underwriters for
the Installation of Air Conditioning, Warm Air Heating
and Ventilating Systems. Pamphlets No. 90A and 90B.

The warm air supply duct from the unit through a wall
fabricated of combustible material may be installed with-
out clearance. However, minimum clearances for the
unit must be observed as shown in Specification Sheet.

The outlet duct should be provided with an access
panel. This access should be large enough to inspect
the air chamber downstream from the heat exchanger
for any smoke or combustion gas leaks. A cover should
be tightly attached to prevent air leaks.

For horizontal airflow, duct flange dimensions on the
unit are shown in Specification Sheet.

For vertical airflow, the ductwork should be attached to
the roof curb prior to installing the unit. Ductwork dimen-
sions are shown in the Amana PRC roof curb installa-
tion manual.

If desired, supply and return duct connections to the
unit may be  made with flexible connections to reduce
possible unit operating sound transmission.

Filters

CAUTION

To prevent property damage due to fire
and loss of equipment efficiency or
equipment damage due to  dust and lint
build up on internal part, never operate
unit without a filter installed .

Even though a return air filter is not supplied with this
unit, there must be a means of filtering all return air.

Refer to Specification Sheet provided with unit for filter
size information.

If using the Over/Under Transition Kit, the filter(s) may
be located in the return air duct(s) or return air filter
grille(s). Filters installed external to the unit should be
sized in accordance with their manufacturer recommen-
dations. A throwaway filter must be sized for a maxi-
mum face velocity of 300 feet per minute.

Filter Installation
Important:
 When installing a filter, the air flow arrows
on the filter must point at the indoor blower.

Summary of Contents for PGB**C

Page 1: ...afety practices follow them The precautions listed in this Installation Manual should not supersede existing practices but should be considered as supplemental information ATTENTION INSTALLING PERSONN...

Page 2: ...shut off turn off the manual gas control valve to the unit before shut ting off the electrical supply WARNING To prevent death personal injury or prop erty damage do not use this unit if any part of t...

Page 3: ...rn air entering the unit must be between 50 F and 100 F Provisions must be made for adequate combustion and ventilation air in accordance with Section 5 3 Air for Combustion and Ventilation of the Nat...

Page 4: ...ht bill or indemnity in lieu thereof c Original invoice or certified copy thereof showing trade and other discounts or reductions d Copy of the inspection report issued by carrier representative at th...

Page 5: ...propane gas and for altitude adjust ments Piping IMPORTANT NOTE To avoid possible unsatisfactory operation or equipment damage due to under firing of equipment do not undersize the natural propane ga...

Page 6: ...ring which may result in heat failure This unit and its shut off valve must be disconnected from the gas supply dur ing any pressure testing of that system at test pressures in excess of 1 2 PSIG 3 48...

Page 7: ...er gas pressure depends on three main factors 1 Vaporization rate which depends on a tempera ture of the liquid and b wetted surface area of the container or containers 2 Proper pressure regulation 3...

Page 8: ...re 5 V Electrical Wiring Locating The Thermostat Thermostat should be mounted 5 feet above the floor on a vibration free inside wall in a room or a hallway that has good air circulation Movement of ai...

Page 9: ...sformer primary lead and induced draft blower mo tor leads as shown on the unit wiring diagram Heat Anticipator Setting The heat anticipator in the room thermostat must be correctly adjusted to obtain...

Page 10: ...duct should be provided with an access panel This access should be large enough to inspect the air chamber downstream from the heat exchanger for any smoke or combustion gas leaks A cover should be ti...

Page 11: ...ocated and other spaces of the building Turn on clothes dryers and any appliance not connected to the common venting system Turn on any exhaust fans such as range hoods and bathroom exhausts so they w...

Page 12: ...ll Out Protector Figure 9 Rollout Protection IX Heating Sequence of Operations Normal Sequence of Operation Heating 1 Thermostat calls for heat The combustion blower is immediately energized 2 The pre...

Page 13: ...Figure 12 With Power And Gas On 2 Put unit into heating cycle and turn on all other gas consuming appliances Figure 12 Measuring Inlet Gas Pressure Alternate Method Secondary Limit Control On the PGB...

Page 14: ...per cubic foot as deter mined by Step 2 then Input 1000 x 3600 0 34 106 000 BTU per Hour NOTE BTU content of the gas should be obtained from the gas supplier This measured input must not be greater t...

Page 15: ...ishing phases of construction on a new struc ture This type of use may result in pre mature failure of the unit due to extremely low return air temperatures and expo sure to very dirty atmospheres To...

Page 16: ...d with water thoroughly dried and sprayed with a filter adhesive before being reinstalled Filter adhesives may be found at many hardware stores Permanent filters should last several years However shou...

Page 17: ...sonal injury due to electrical shock do not remove any in ternal compartment covers or attempt any adjustment Contact a qualified ser vicer at once if an abnormal flame ap pearance should develop At l...

Page 18: ...ng Flame Roll Out Switch Blower Motor Gas Orifice Blower Wheel Heat Exchanger Burner High Limit Switch Compressor Secondary Limit Condenser Coil Ignitor Flame Sensor Condenser Fan Blade Induced Draft...

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