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38AQS008 Troubleshooting Chart, Cooling Cycle, LEGEND TXV - Thermostatic Expansion Valve
Models:
38AQS008
1
14
20
20
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Troubleshooting
Typical Piping Diagram, 38AQS/40RMQ
Dimension
→ - Control Wiring Connections
Outdoor-FanAdjustment Fig
Cleaning Outdoor Coil
A - Accessory Electric Heater Data 60 Hz
Page 14
Image 14
TROUBLESHOOTING CHART, COOLING CYCLE
14
LEGEND
TXV —
Thermostatic Expansion Valve
Page 13
Page 15
Page 14
Image 14
Page 13
Page 15
Contents
SAFETY CONSIDERATIONS
Installation, Start-Upand Service Instructions
CONTENTS
INSTALLATION
Table 1A - Physical Data English
Step 2 - Rig and Mount the Unit
Step 3 - Complete Refrigerant Piping Connec
Table 1B - Physical Data SI
Table 3 - Liquid Line Data
Step 4 - Make Electrical Connections
Table 2 - Refrigerant Piping Sizes
Fig. 2 - Dimensions
Fig. 3 - Rigging Label
Fig. 4 - Compressor Mounting
Fig. 5 - Typical Piping Diagram, 38AQS/40RMQ
Table 4 - Electrical Data
Table 5A - Accessory Electric Heater Data 60 Hz
Table 5B - Accessory Electric Heater Data 50 Hz
Fig. 8 - 38AQS008 Power Wiring Connections
→Fig. 9 - Control Wiring Connections
Fig. 10 - Field Control Wiring Raceway
Fig. 6 - Fusible Plug Locations
START-UP Preliminary Checks
Checking Cooling and Heating Control Opera
SERVICE
Outdoor-FanAdjustment Fig
Lubrication
Cooling Mode Operation - See Fig
Fig. 12 - Cleaning Outdoor Coil
Fig. 15 - Outdoor-FanAdjustment
Heating Mode Operation - See Fig
Fig. 16 - Cooling Mode Operation
Fig. 17 - Heating Mode Operation
TROUBLESHOOTING CHART, COOLING CYCLE
LEGEND TXV - Thermostatic Expansion Valve
TROUBLESHOOTING CHART, HEATING CYCLE
LEGEND N.C. - Normally Closed
Page
Page
Copyright 1995 Carrier Corporation
INDOOR UNIT
OUTDOOR UNIT
CONTROLS
PIPING
C. Start-Up
