Amana PCC**C Installation Manual download pdf (Page 7)

NOTE: If Horizontal Duct Cover kits are required, align the

horizontal duct covers (Figure 9) over the flange brackets

just installed and secure with screws included in the Horizontal

Duct Cover kit.

Figure 9

Horizontal Duct Cover Alignment

Ductwork

Duct systems and register sizes must be properly designed

for the C.F.M. and external static pressure rating of the unit.

Ductwork should be designed in accordance with the rec-

ommended methods of Air Conditioning Contractors of

America Manual D (Residential) or Manual Q (Commer-

cial). All ductwork exposed to the outdoors must include a

weatherproof barrier and adequate insulation.

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 without

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.

For vertical airflow, the ductwork should be attached to the

roof curb prior to installing the unit. Ductwork dimensions

are shown in the Amana PRC roof curb installation 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 parts, 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 recommendations. A

throwaway filter must be sized for a maximum face velocity

of 300 feet per minute.

FILTER INSTALLATION

Important: When installing a filter, the air flow arrows on

the filter must point toward the circulating air blower.

VII. Condensate Drain

CONDENSATE DRAIN CONNECTION

This unit has a built-in trap - no external trap is required; the

drain may be extended using 3/4” PVC piping.

VIII. Normal Sequence of Operations

NOTE: There is a fan delay on initial power to unit before the

low voltage board resets and is operational.

COOLING

1. Thermostat calls for cooling. The compressor and

outdoor fan start.

2. Thirty seconds later, the indoor fan starts and cool air

is delivered to the conditioned space until the thermostat

is satisfied.

3. After the thermostat is satisfied, the compressor and

outdoor fan shut off; 30 seconds later, the indoor fan

shuts off.

NOTE: The extra fan time allows additional cooling from the

indoor coil to be transferred to the conditioned space.

Heating (Electric)

1. Thermostat calls for heating.

2. Thirty seconds later, the indoor fan starts and heat is

delivered to the conditioned space until the thermostat

is satisfied.

3. In another 30 seconds, the indoor fan shuts off.

IX. Startup and Adjustment

CAUTION

This unit must not be used as a

“construction heater” during the finishing

phases of construction on a new structure.

This type of use may result in premature

failure of the unit due to extremely low

return air temperatures and exposure to

very dirty atmospheres.

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Amana PCC**C Installation Manual Page 7

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