Contents
INSTALLATION OPERATION MAINTENANCE
Model YCZ036F1/3M0B, 4MOA YCZ050F1/3HOA, 4H0A YCZ060F1/3M0B, 4M0A
WARNING HAZARDOUS VOLTAGE - DISCONNECT POWER BEFORE SERVICING
YCZ-IOM-1F
GENERAL INFORMATION
2 TYPICAL ROOFTOP INSTALLATION WITH BAYCURB030A,038A
1 TYPICAL ROOFTOP INSTALLATION WITH FULL PERIMETER CURBS
YCZ036,050,060F Models
YCZ036,050,060F Models
YCZ036,050,060F OUTLINE - BACK
DIMENSIONAL DATA
DIMENSIONAL DATA
YCZ036,050,060F OUTLINE - FRONT
YCZ036F-M
YCZ050F-M
REQUIRED CLEARANCE FOR UNIT INSTALLATION
CONVERTING HORIZONTAL TO DOWNFLOW
AND ROOF PENETRATION HOLE SIZE REQUIRED
HORIZONTAL AIRFLOW APPLICATION
LOCATIONS AND RECOMMENDATIONS
CLEARANCES
DOWNFLOW APPLICATION -- CURB MOUNTING
LOCATIONS AND RECOMMENDATIONS
INSTALLATION
CLEARANCES
UNIT SUPPORT
INSTALLATION
YCZ036,050,060F
TYPICAL ROOFTOP APPLICATION WITH FRAME
YCZ036,060F MODELS
INSTALLATION
TYPICAL GROUND LEVEL APPLICATION
CONDENSATE DRAIN PIPING
YCZ036,050,060F MODELS
w TYPICAL CONDENSATE DRAIN PIPING
PRECAUTIONARY MEASURES
DUCTWORK
DOWNFLOW
HORIZONTAL
GAS PRESSURE SETUP PRECAUTIONS
GAS PIPING INSTALLATION
SCHEMATIC DIAGRAM OF
PIPE DELIVERY SCHEDULE
FLUE AND HOOD ILLUSTRATION
t BURNER & VALVE ILLUSTRATION
GAS PIPING INSTALLATION
MANIFOLD PRESSURE
ON or OFF
Switch Toggles
GAS PIPING INSTALLATION
HIGH ALTITUDE INSTALLATION
ELECTRICAL WIRING
FILTER INSTALLATION
ELECTRICAL POWER
DISCONNECT SWITCH
YCZ-F FIELD WIRING DIAGRAM
ELECTRICAL WIRING
PRE-START QUICK CHECKLIST
START - UP
STARTING THE UNIT IN THE COOLING MODE
OPERATING PRESSURES
SAFETY SEQUENCES
SEQUENCE OF OPERATION
START - UP
STARTING THE UNIT IN THE GAS HEATING MODE
SEQUENCE OF OPERATION
o CFM ICM FAN CONTROLDIP
IGN LED DIAGNOSTIC INDICATOR
CHECKOUT PROCEDURE
SYSTEM FAULTS
TROUBLESHOOTING CHART
ROUTINE MAINTENANCE BY OWNER
MAINTENANCE
MAINTENANCE PERFORMED BY SERVICEMAN-- COOLING SEASON
MAINTENANCE PERFORMED BY SERVICEMAN-- HEATING SEASON
COMBINATION GAS ELECTRIC AIR CONDITIONER YCZ, YCY AND YCX
LIMITED WARRANTY
LIMITED WARRANTY
COMBINATION GAS ELECTRIC AIR CONDITIONER
YCZ, YCY, YCX, YCC, YCD, YCH, YCP, YHC and YSC