All phases of this installation must comply with the NATIONAL, STATE & LOCAL CODES. In the absence of local codes, theinstallation must conform w
Page 10INSTALLATIONROOFTOP -- UNITSFor roof top applications using a field fabricated frame and ducts,use the following procedure:1. The frame must be
Page 11INSTALLATIONGROUND LEVEL -- HORIZONTAL UNITSFor ground level installations, the unit should be positioned on a padthe size of the unit or large
Page 12ATTACHING HORIZONTAL DUCTWORK TO UNITAll conditioned air ductwork should be insulated to minimize heatingand cooling duct losses. Use a minimum
Page 13CAUTION: Before making the gas pipe connection give seri-ous consideration to providing the required clearance neces-sary to remove the access
Page 14NOTE: The shut-off gas cock must be installed outside of theunit and should meet the specifications of all applicable nationaland local codes.
Page 15INPUT CHECK AND ADJUSTMENT1. Make sure all gas appliances are off except the furnace.2. Clock the gas meter with the furnace operating (determi
Page 16ELECTRICAL CONNECTIONSElectrical wiring and grounding must be installed in accordance withlocal codes or, in the absence of local codes, with t
Page 17YCZ-F FIELD WIRING DIAGRAMthe Thermostat System Switch until power has been applied longenough to evaporate any liquid R-22 in the compressor.
Page 18START - UPPRE-START QUICK CHECKLIST● Is the unit properly located and level with the proper clearance?See Figure 4.● Is the duct work correctly
Page 19START - UP8. Set the thermostat at the desired temperature setting and theunit will function automatically.STARTING THE UNIT IN THE GAS HEATING
Page 2GENERAL INFORMATIONIMPORTANT: Read this entire manual before beginning installation procedures.▲WARNING: BODILY INJURY CAN RESULT FRO
Page 20oDIP SWITCHES (TYPICAL SETTINGS)SEQUENCE OF OPERATIONICM FAN CONTROLThe rollout switch (FS) is located in the gas compartment near theinlet of
Page 21TROUBLESHOOTING CHARTSYSTEM FAULTSELECTRICALREFRIGERANT CIRCUITP-PRIMARY CAUSES S-SECONDARY CAUSESLiquid Pressure Too highLiquid Pressure Too
Page 22ROUTINE MAINTENANCE BY OWNERYou can do some of the periodic maintenance functions for yourYCZ-F unit yourself; this includes replacing the disp
Page 23LIMITED WARRANTYCOMBINATION GAS ELECTRIC AIR CONDITIONERYCZ, YCY AND YCXModels Less Than 20 Tons for Residential Use*(Parts Only)This limited w
Page 24Technical Literature - Printed in U.S.A.LIMITED WARRANTYCOMBINATION GAS ELECTRIC AIR CONDITIONERYCZ, YCY, YCX, YCC, YCD, YCH, YCP, YHC and YSCM
Page 3TYPICAL ROOFTOP INSTALLATION WITH BAYCURB030A,038A(YCZ036,050,060F Models)TYPICAL ROOFTOP INSTALLATION WITH FULL PERIMETER CURBS(YCZ036,050,060F
Page 4DIMENSIONAL DATA 3YCZ036,050,060F OUTLINE – BACKMODELCORNER WEIGHT (LBS)NETUNITWEIGHT(LBS)AB C D E F G H J K L MN PW1 W2 W3 W4YCZ036F 161 106 10
Page 5 4DIMENSIONAL DATAYCZ036,050,060F OUTLINE – FRONTCLEARANCE TOCOMBUSTIBLE MATERIAL BOTTOM 0.0"BACK 1.0"LEFT SIDE 6.0" RIGHT SIDE 6
Page 6 5 6CONVERTING HORIZONTAL TO DOWNFLOWREQUIRED CLEARANCE FOR UNIT INSTALLATIONAND ROOF PENETRATION HOLE SIZE REQUIREDEFHOLE IN ROOFWOOD NAILERSI
Page 7LOCATIONS AND RECOMMENDATIONSHORIZONTAL AIRFLOW APPLICATION1. These units are design certified for outdoor installations. Theseunits may be ins
Page 8LOCATIONS AND RECOMMENDATIONS15. Access and service clearances for the unit must be givencareful consideration when locating the duct entrance o
Page 9INSTALLATIONIMPORTANT: Do not lift the unit without test lifting forbalance and rigging. Do not lift the unit in windy conditionsor above perso
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