Carrier 38AK024-044 Installation, Start-Up And Service Instructions Manual

38AK024-044
CONTENTS
Page
Page
SAFETY CONSIDERATIONS
.................. ]
Charge System ............................... 11
BEFORE
INSTALLATION
.....................
1-3
Operation eth]
e enhn
11
Rigging
...................................... 1
Timer Functions
.............................. 16
Placing Unit ................................. 3
Sequence of Operation ........................ 16
Mounting Unit ...............................
3
Complete Unit Stoppage
...................... 16
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aysasha die 3
SERVICE ................................. 17-19
INSTALLATION
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Access for Servicing
.......................... 17
Refrigerant Piping Connections
................ 3
Fan Adjustment
.............................. 18
Single Pumpout Control ....................... 3
Oil Charge
................................... I8
Filter Drier and Moisture Indicator .............. 3
Liquid Shutoff/Charging Valve
................ 18
Receiver
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vostfr as adea i ee rA 3
Capacity Control
............................. 18 -
Piping Procedure
............................. 3
Oil Pressure Safety Switch (OPS)
.............. 19
Power Supply ................................ 5
Compressor Protection ........................ 19
Power Wiring ................................. 3
High-Pressure Switch ......................... 9
START-UP
................................ 11-16
Low-Pressure Switch
......................... 19
Dre.
CK"
11
Winter Start Control
.......................... 19
Leak Test and Dehydration
.................... 11
Head Pressure Control........................
19
Preliminary Charge
........................... 11
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TROUBLESHOOTING
........................ 20
SAFETY CONSIDERATIONS
BEFORE INSTALLATION
Installing, starting up and servicing air conditioning
Rigging - Preferred method is with spreader bars
equipment can be hazardous
due to system pressures,
from above the unit. Use 2-in. (50 mm) OD pipe or
electrical components and equipment location (roofs, ele-
hooks in lifting holes. Rig with 4 cables and spreader
vated structures, etc.)
bars. All panels must be in place when rigging. See
rigging label on unit for details concerning shipping
weights, distance between lifting holes, center of
gravity and spreader bar dimensions. See Fig. 2.
If overhead rigging is not possible, place chiller on
skid or pad for rolling or dragging. When rolling, use
e Follow all safety codes.
€ Wear safety glasses and work gloves.
À CAUTION
All panels must be in place when rigging. Do not fork
ELECTRIC SHOCK HAZARD
Open all remote disconnects before
servicing this equipment.
units if no skid is supplied. If unit has skid, truck from
sides only.