GAS-FIRED DOUBLE-EFFECT
ABSORPTION CHILLER-HEATER
This product is a gas-fired double-effect absorption unit which provides chilled water
for cooling or hot water for heating in central plant-type air conditioning systems. Units
with nominal refrigeration capacities of 150 and 200 tons are complete with operating
and safety controls. The chiller-heater is fitted with a low NOx burner, automatic ignition
system, power combustion blower, and proportional firing control.
CONTENTS
GENERAL Page
GENERAL 2
MODEL DESIGNATION 2
STANDARD SPECIFICATIONS 3
EQUIPMENT DIMENSIONS 4
INTERNAL WIRING DIAGRAM 6
INSTALLATION
RECEIVING 9
RIGGING 10
CENTER OF GRAVITY 11
INSTALLATION CLEARANCES 12
LOCATION 13
FOUNDATION 13
Page
LEVELING 14
COMBUSTION AIR SUPPLY 14
VENTING 15
PIPING 17
TYPICAL SYSTEM DESIGN 18
CHILLED/HOT WATER PIPING 19
COOLING WATER PIPING 19
FREEZE PROTECTION 20
GAS SUPPLY PIPING 21
ELECTRICAL 22
TYPICAL FIELD WIRING DIAGRAM 24
WATER QUALITY 26
INSTALLATION CHECK &
REQUEST FOR STARTUP 26
INSTALLATION INSTRUCTIONS