York YCHBC Manuals

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). 00168VIP 00170VIP 00171VIP 00172VIP 00173VIP 00174VIP 00175VIP