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