Yazaki CH-K30, Operating Instruction

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GAS-FIRED DOUBLE-EFFECT
ABSORPTION CHILLER-HEATER
This product is a gas-fired 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 30, 40, 50, 60, 80, and 100 tons are complete with operating
and safety controls.
When this equipment is correctly applied, installed in accordance with Yazaki
INSTALLATION INSTRUCTIONS, and properly maintained, it can provide many years
of trouble-free operation.
CONTENTS
GENERAL
Page

ABSORPTION PRINCIPLE 2

COOLING OPERATION 2

HEATING OPERATION 3
CONTROLS

GENERAL INFORMATION 4

CONTROL ADJUSTMENTS 6
OPERATION

COOLING 7

HEATING 7

SAFETY CONTROLS 7

REMOTE CONTROL 7

PRECAUTIONS 7
MAINTENANCE
Page

GENERAL INFORMATION 8

ROUTINE MAINTENANCE 8

MAINTENANCE INTERVALS 8

EVACUATION OVERVIEW 8

CHEMICAL MAINTENANCE 9

WINTER SHUTDOWN 10

TROUBLESHOOTING 10

WATER QUALITY 11

ERROR CODES 11

STARTUP & MAINTENANCE
DATA SHEET 13
WARRANTY

YAZAKI LIMITED EXPRESS
WARRANTY 14
OPERATING INSTRUCTIONS
CH-K30, 40, 50, 60, 80, 100