036-33073-001 Rev. A (0701)
2
Unitary Products Group
IMPROPER INSTALLATION MAY CREATE A
CONDITION WHERE THE OPERATION OF THE
PRODUCT COULD CAUSE PERSONAL INJURY
OR PROPERTY DAMAGE.
IMPROPER INSTALLATION, ADJUSTMENT,
ALTERATION, SERVICE OR MAINTENANCE
CAN CAUSE INJURY OR PROPERTY DAMAGE.
REFER TO THIS MANUAL FOR ASSISTANCE
OR ADDITIONAL INFORMATION, CONSULT A
QUALIFIED INSTALLER, SERVICE AGENCY OR
THE GAS SUPPLIER.
THIS PRODUCT MUST BE INSTALLED IN
STRICT COMPLIANCE WITH THE ENCLOSED
INSTALLATION INSTRUCTIONS AND ANY
APPLICABLE LOCAL, STATE, AND NATIONAL
CODES INCLUDING BUT NOT LIMITED TO,
BUILDING, ELECTRICAL AND MECHANICAL
CODES.
WARNING
CAUTION
CONTENTS
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
INSPECTION OF EQUIPMENT . . . . . . . . . . . . . . . . . . . . . 3
SELECTION OF INSTALLATION LOCATION . . . . . . . . . . 3
CLEARANCES REQUIRED . . . . . . . . . . . . . . . . . . . . . . . . 3
CHECKING THAT THE UNIT IS LEVEL . . . . . . . . . . . . . . . 3
UNIT MOUNTINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
DUCT CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
ELECTRICAL POWER SUPPLY AND CONNECTIONS . . 4
ROOM THERMOSTAT AND CONTROL WIRING . . . . . . . 4
BLOWER PERFORMANCE . . . . . . . . . . . . . . . . . . . . . . . . 4
CONDENSER WATER SUPPLY AND CONNECTIONS . . 4
WATER REGULATING VALVE – INSTALLATION . . . . . . . 5
WATER REGULATING VALVE – ADJUSTMENT . . . . . . . 5
CONDENSATE DRAIN PIPING . . . . . . . . . . . . . . . . . . . . . 5
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
LIST OF TABLES
UNIT WEIGHTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
EVAPORATOR BLOWER PERFORMANCE (CFM) . . . . . . 4
WATER VALVE SIZES . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
R-22 REFRIGERANT CHARGE . . . . . . . . . . . . . . . . . . . . . 5
AIR FILTER APPLICATIONS. . . . . . . . . . . . . . . . . . . . . . . . 6
LIST OF FIGURES
W/C UNITS; 208 - 230V/3PH/60HZ . . . . . . . . . . . . . . . . . . 7
W/C SINGLE PHASE UNITS; 208 - 230V/1PH/60HZ . . . . . 8
W/C AIR CONDITIONERS ELECTRICAL DATA . . . . . . . . 9
HORIZONTAL WATER COOLED UNITS DIMENSIONAL
DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
VERTICAL WATER COOLED UNITS DIMENSIONAL
DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
