York SUNLINE PLUS D1EG Provozní pokyny stáhnout pdf (Strana 4)

be sized to match the dimensions of the duct connections on

the unit.

CAUTION: When fastening ductwork to side duct flanges on

unit, insert screws through duct flanges only. DO

NOT insert screws through casing.

Outdoor ductwork must be insulated and

waterproofed.

Refer to Figure 10 for information concerning side and bottom

supply and return air duct openings.

FIXED OUTDOOR AIR INTAKE DAMPER

This damper is shipped inside the return air compartment. It is

completely assembled and ready for installation. A damper

baffle inside of the hood is adjustable to provide variable

amounts of outdoor air intake on units that are not provided

with an economizer or a motorized damper option. Refer to

Figure 3.

Gasketing and mounting screws are provided in a parts bag

attached to the hood assembly. Apply gasketing to the three

flange surfaces on the hood prior to installing the hood. Extend

gasketing 1/4" beyond the top and bottom of the two side

flanges to insure adequate sealing.

Adjusting the damper to the desired air flow may be done before

mounting the hood into position or (after installation) by

removing the front hood panel or the screen on the bottom of

the hood. Damper baffle in position 1 will allow approximately

10% recirculated air flow, position 2 approximately 15% and, to

allow approximately 25%, remove the damper baffle.

On units with

bottom return air applications, install the damper

assembly over the opening in the side return air access panel.

Remove and discard the opening cover and the covering over

the hood mounting holes (used for shipping) before installing.

Secure with the screws provided.

On units with

side return air applications, install the damper

assembly on the return air ductwork as close to the unit as

possible. Cut an opening 16" high by 18" wide in the ductwork

to accommodate the damper. Using the holes in the hood

flanges as a template, drill 9/64" dia. (#26 drill) holes into the

ductwork and secure with the screws provided.

CAUTION: If outdoor air intake will not be required on units

with bottom return air applications, the damper

assembly should still be mounted on the side return

air access panel, per the instructions above, to

insure moisture is not drawn into the unit during

operation. The covering over the mounting holes

only need be removed. Do not remove the opening

cover.

CONDENSATE DRAIN

Plumbing must conform to local codes. Use a sealing

compound on male pipe threads. Install a condensate drain line

from the 1" NPT female connection on the unit to an open drain.

An alternate drain connection (1" NPT female coupling) is

provided inboard on the same centerline as the exterior

location.

NOTE: The condensate drain line MUST be trapped to provide

proper drainage. See Figure 4.

COMPRESSORS

Units are shipped with compressor mountings factory-adjusted

and ready for operation.

CAUTION: Do Not loosen compressor mounting bolts.

FILTERS

2" filters are supplied with each unit. Filters must always be

installed ahead of the evaporator coil and must be kept clean

or replaced with same size and type. Dirty filters will reduce the

capacity of the unit and will result in frosted coils or safety

shutdown. Minimum filter area and required sizes are shown in

Table 5.

SERVICE ACCESS

Access to all serviceable components is provided by the

following removable panels:

• Compressor compartment

• Gas Heat compartment (Two panels)

• Side Supply & Return Air compartments (Two panels)

• Blower compartment (Three panels)

• Main control box

• Filter compartment

• Outdoor Air compartment (Two panels)

Refer to Figure 10 for location of these access panels.

CAUTION: Make sure that all screws and panel latches are

replaced and properly positioned on the unit to

maintain an air-tight seal.

THERMOSTAT

The room thermostat should be located on an inside wall

approximately 56" above the floor where it will not be subject

to drafts, sun exposure or heat from electrical fixtures or

appliances. Follow manufacturer’s instructions enclosed with

thermostat for general installation procedure. Seven color

coded insulated wires (#18 AWG) should be used to connect

thermostat to unit.

POWER AND CONTROL WIRING

Field wiring to the unit must conform to provisions of the

National Electrical Code, ANSI / NFPA No. 70(latest edition)

and/or local ordinances. The unit must be electrically grounded

in accordance with N.E.C. and/or local codes. Voltage

tolerances which must be maintained at the compressor

terminals during starting and running conditions are indicated

on the unit Rating Plate and Table 1.

The internal wiring harness furnished with this unit is an integral

part of a ETL design certified unit. Field alteration to comply

with electrical codes should not be required.

FIG. 3 - FIXED OUTDOOR AIR DAMPER

FIG. 4 - RECOMMENDED DRAIN PIPING

530.22-N6Y

4 Unitary Products Group

1 2 3 4 5 6 7 8 9 ... 20 21

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