1
INSTALLATION, START-UP AND
SERVICE INSTRUCTIONS
38VTA
50Hz
AIR-COOLED CONDENSING UNIT
CONTENTS
Safety Considerations 1
Dimensional Drawing 2
Specifications 3
Installation 4
Refrigerant Piping 4
Filter Drier 5
Piping Insulation 5
Complete Electrical Connections 5
Schematic Wiring Diagram 6
Start-Up 7
Refrigerant Charging 7
Service and maintenance 8
Superheat Charging Table 9
Trouble-Shooting Guide 10
FIG. 1 38VTA040/050/060
SAFETY CONSIDERATIONS
Installation and servicing of air conditioning equipment can
be hazardous due to system pressure and electrical
components. Only trained and qualified service personnel
should install, repair or service air conditioning equipment.
Observe precautions in the literature, tags and labels
attached to the unit and other safety codes.
Wear safety glasses and gloves. Use quenching cloth and
have fire extinguisher available for all brazing operations.
RECEIVING
38VTA condensing units (Fig.1) are shipped individually
packed in carton boxes. When cartons are individually off
loaded from truck, do not roll, nor throw, or drop the
carton, to avoid damages to the content. Store boxes
upright as the symbols or the boxes indicate. Do not stack
units more than 2 high.
INSPECTION
Check the shipment against shipping list and remove unit
from the carton and take off protective covering. If the unit
has been damaged, file claim with transportation company
and notify Carrier immediately.
PROTECTION
Protect unit from damage caused by job site debris. Do
not allow dust, debris and water get into the unit. These
will damage unit’s component and unit’s performance will
be affected.
WARNING
Before installing or servicing system always turn off main
power supply. There may be more than one disconnect
switch. Electrical shock can cause personal injury.
A United Technologies Company
Carrier
International
Sdn. Bhd.
Malaysia
®
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