York G8C Series Spécifications

INSTALLATION INSTRUCTIONSCAUTION: READ ALL SAFETY GUIDES BEFORE YOU START TO INSTALL YOUR FURNACE.SAVE THIS MANUALALL POSITION AUTOMATIC IGNITION FURN

035-15241-003 Rev. A (201)10 Unitary Products GroupDOWNFLOW (50-125 MBH MODELS ONLY)Filters must be mounted in a location where they are easilyaccessi

035-15241-003 Rev. A (201)Unitary Products Group 11 FIGURE 9: DOWNFLOW CONFIGURATION (50-125 MBH MODELS ONLY)BLOWERDOORSWITCHROLL-OUTSWITCHESBURNERSH

035-15241-003 Rev. A (201)12 Unitary Products GroupUnless prohibited by local codes, it is permissible to use aflexible corrugated metal gas connector

035-15241-003 Rev. A (201)Unitary Products Group 13VENTING (CATEGORY I)This furnace is a fan-assisted Category I furnace which oper-ates with a non-po

035-15241-003 Rev. A (201)14 Unitary Products GroupINSPECTION OF EXISTING CHIMNEY1. Before connecting the vent connector to a chimney, the chimney pas

035-15241-003 Rev. A (201)Unitary Products Group 153. Insofar, as is practical, close all building doors and win-dows and all doors between the space

035-15241-003 Rev. A (201)16 Unitary Products GroupACCESSORIESA humidifier or electronic air cleaner may be used with thisfurnace. All accessories sho

035-15241-003 Rev. A (201)Unitary Products Group 17BLOWER PERFORMANCEUPFLOW, SINGLE SIDE RETURN APPLICATIONSAirflow is expressed in standard cubic fee

035-15241-003 Rev. A (201)18 Unitary Products GroupBLOWER TIMINGSThe electronic furnace control supplied on this furnace con-trols the blower delay ti

035-15241-003 Rev. A (201)Unitary Products Group 19WIRING DIAGRAMPRE-OPERATIONAL CHECKS1. Be sure that the furnace is equipped for the type of gas bei

035-15241-003 Rev. A (201)2 Unitary Products GroupIMPROPER INSTALLATION MAY CREATE A CONDITION WHERE THE OPERATION OF THE PRODUCT COULD CAUSE PERSONAL

035-15241-003 Rev. A (201)20 Unitary Products Group6. If the burners fail to light within 6-8 seconds after the gas valve opens, the gas valve will cl

035-15241-003 Rev. A (201)Unitary Products Group 21INSTALLATION CHECKSCHECKING GAS INPUT RATEThe maximum BTUH input capacity for each model is shownon

035-15241-003 Rev. A (201)22 Unitary Products Group2. Place thermometer in return air duct about two feet from furnace, with the tip of the thermomete

035-15241-003 Rev. A (201)Unitary Products Group 231. Door Panel2. Blower Door3. Heat Exchanger4. Vent Blower5. Limit Switch6. Rollout Switch7. Top Sh

Subject to change without notice. Printed in U.S.A. 035-15241-003 Rev. A (201)Copyright © by York International Corp. 2001. All rights reserved. Super

035-15241-003 Rev. A (201)Unitary Products Group 3FURNACE SPECIFICATIONS * All models are supplied with 3” vent connections. An installer supplied tra

035-15241-003 Rev. A (201)4 Unitary Products GroupPRE-INSTALLATION INSPECTIONInspect the shipping container and furnace for any evidenceof shipping da

035-15241-003 Rev. A (201)Unitary Products Group 5.TO CONVERT FROM UPFLOW TO DOWNFLOW CONFIGURATION(50-125 MBH Models)1. Lay the furnace on its back.2

035-15241-003 Rev. A (201)6 Unitary Products Group16. Install the top cap at the opposite end of furnace from the vent blower, using the seven sheet m

035-15241-003 Rev. A (201)Unitary Products Group 7INSTALLATIONS ON COMBUSTIBLE FLOORING (50-125 MBH MODELS)This furnace may not be installed directly

035-15241-003 Rev. A (201)8 Unitary Products GroupFURNACE SIZING AND DUCT SYSTEM DESIGNThe duct system must be installed in conformance withASHRAE/NFP

035-15241-003 Rev. A (201)Unitary Products Group 92. If two duct systems are used as could be the case with a coil-blower or a self-contained A/C unit