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pdf manual York - YHYB, YPHH, YHH, YPHBC, YCHBC, YPHYB, YRHBC, YHBC

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L23952Y 1-05

INSTALLATION, OPERATION, & MAINTENANCE

FAN COIL

AIR CONDITIONERS

Supersedes: Form 115.20-NOM2 (1199) Form 115.20-NOM2 (105)

***** WARNING TO INSTALLER, SERVICE PERSONNEL AND OWNER *****

Altering the product or replacing parts with non authorized factory parts voids all warranty or

implied warranty and may result in adverse operational performance and/or a possible hazardous

safety condition to service personnel and occupants. Company employees and/or contractors are

not authorized to waive this warning.

MODEL YHBC – Ceiling Concealed Model

MODEL YHH – Ceiling Concealed Model with Electric Heat

MODEL YPHBC – Ceiling Concealed Model with Insulated

Return. Plenum and Filter
MODEL YPHH – Ceiling Concealed Model with Electric

Heat, Insulated Return Plenum and Filter

MODEL YCHBC – Ceiling Cabinet Model

MODEL YRHBC – Telescoping / Recessed Ceiling Model

MODEL YHYB – High Capacity Ceiling Concealed Model

MODEL YPHYB – High Capacity Ceiling Concealed Model

with Insulated Return Plenum and Filter

Notes:
1. 2-Pipe units have one water coil. 4-Pipe units have two water coils.
2. Changeover is used to select heating or cooling mode.
3. YORK International does not recommend “fan cycle” applications for cooling on unit mounted thermostats.
4. For proper operation, control valve must be normally closed.
5. Aquastats provided where required.
6. Electric Heat is only available in the YHH and YPHH units. These units require a remote thermostat (low voltage 4 wire thermostat).

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