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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
CH-MG150
CH-MG200
Summary of Contents for AROACE CH-MG150
Page 4: ...4 EQUIPMENT DIMENSIONS Figure 1 MG150 Dimensions ...
Page 5: ...5 EQUIPMENT DIMENSIONS Figure 2 MG200 Dimensions ...
Page 6: ...6 INTERNAL WIRING DIAGRAM ...
Page 7: ...7 ...
Page 8: ...8 Table 2 Internal Wiring Diagram Legend KRCH relay has been replaced by the KCH relay ...
Page 12: ...12 INSTALLATION CLEARANCES Figure 7 Installation and Service Clearances ...