York LD11554, LD11556, LD11555 Installation, Receiving, Storage, Description, Features, Clearances

FORM 115.20-NOM6 (1106)

INSTALLATION

RECEIVING

Material in this shipment has been inspected at the factory and released to the transportation agency in good condition. When received, a visual inspection of all cartons should be made immediately. Any evidence of rough handling or apparent damage should be noted on the delivery receipt and the material inspected in the presence of the carrier’s representative.

If damage is found, a claim should be filed against the carrier immediately.

STORAGE

If the equipment is not to be immediately installed, store it in a dry location with the motor protected against moisture, dust, corrosion and physical damage. If units are to be stored for six months or longer, see long term storage requirements (Form 50.20-NM3).

DESCRIPTION

The YCW models are available as 2-pipe cooling (YCW), 2-pipe cooling with electric heat (YCWE) and a 4-pipe heating/cooling (YCW-HW). All units are provided with a 3-speed fan control in the control box in the fan section (left side), with 24v access on the top panel, left. Manual and auto changeover thermostats and the T200 auto speed control thermostats can be used with this unit. Twenty-four volt (24 v) power is provided in the unit for thermostat operation.

The 2-pipe cooling unit is provided with a single coil with connections on the top panel, right side.

The 2-pipe cooling with electric heat is provided with a single chilled water coil and electric heat ele- ments; coil connections are on the top panel, right side; electrical connections are on the top panel, left side and the units are provided with a disconnect on the front panel.

The 4-pipe heating/cooling unit is provided with 2 coils with single end sheets – cooling connections are on the top panel, right side and the hot water connec- tions are on the top panel, middle front.

This unit is designed to be installed vertically in the upflow position and can be installed on a closet plat-

form (platform not provided), hung on a closet wall (use wall hanging kit option) or recessed in a wall between wall studs (use front panel kit option).

FEATURES

Non-corrosive drain pan, installed in sloped position, ¾” female primary and secondary connections acces- sible from either side or bottom.

Filters provided, are 1” throwaway accessible from the front.

Coils and fan motor/blower assemblies accessible from the front, when installed with the optional front panel assembly.

Front air return standard, optional bottom return avail- able but requires bottom return option.

Options available are thermostats, wall front panels, condensate pan overflow switch, closet hanger bracket kit, bottom return air kit and chilled water coil valve packages. Consult applications group @ 717-771- 7073 for details on ordering and availability of these options.

Cabinet is fully insulated with 1” coated fiberglass panels.

All units have 0” clearance to combustible surfaces, so the units can be installed against wall studs and drywall.

CLEARANCES

Clearance required in front of the unit to provide access to coils, electrical controls and motor/blower assembly. This clearance should be equal to the depth of the cabinet.

MOUNTING - YCW UNIT STYLE

Recessed In Wall

All units must be installed level to insure proper drain- age and operation.

1.Frame the unit as required so the front panel of the wall unit will be flush with the drywall surface when installed (see Fig. 3).

JOHNSON CONTROLS 3