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901239 REV B 7/03/2014, PG 4 OF 23
Use of Any Other Refrigerants Will Void All Warranties of the Air
Conditioning System and Components. Use of the Proper Type and
Amount of Refrigerant Is Critical to Proper System Operation. Vintage
Air Recommends Our Systems Be Charged By Weight With a Quality
Charging Station or Scale.
Service Info:
Safety Switches:
Important Notice—Please Read
Attention:
The following system components are capped: Compressor, evaporator, condenser & drier.
Caps may be under pressure with dry nitrogen. Be careful removing caps. Do not remove caps prior to
installation. Removing caps prior to installation will cause components to collect moisture and lead to
premature failure and reduced performance.
Evacuate the system for 35-45 minutes with system components (Drier, compressor, evaporator and
condenser) at a temperature of at least 85° F. On a cool day, the components can be heated with a heat
gun OR by running the engine with the heater on before evacuating. Leak check and charge to
specifications.
For Maximum System Performance, Vintage Air Recommends the Following:
Heater hose may be purchased from Vintage Air (Part# 31800-VUD) or your local parts retailer.
Routing and required length will vary based on installer preference.
Vintage Air Systems Are Designed to Operate With R134a
Refrigerant Only! Use of Any Other Refrigerants Is a Fire Hazard and
Could Damage Either Your Air Conditioning System or Your Vehicle.
Refrigerant Capacity for Vintage Air Systems:
(For other systems, consult manufacturer’s guidelines)
R134a System
Charge with 1.8 lbs. (1 lb., 12 oz.) of refrigerant.
Lubricant Capacities:
New Vintage Air-supplied Sanden Compressor:
No additional oil needed (Compressor is
shipped with proper oil charge).
All Other Compressors:
Consult manufacturer (Some compressors are shipped dry and will
need oil added).
Your Vintage Air system is equipped with a binary pressure safety switch. A binary switch disengages
the compressor clutch in cases of extreme low pressure conditions (Refrigerant Loss) or excessively
high head pressure (406 PSI) to prevent compressor damage or hose rupture. A trinary switch
combines Hi/Lo pressure protection with an electric fan operation signal at 254 PSI, and should be
substituted for use with electric fans. Compressor safety switches are extremely important since an
A/C system relies on refrigerant to circulate lubricant.
Heater Hose (Not Included With This Kit):
To ensure a watertight seal between the passenger compartment and the vehicle exterior, for all
bolts passing through the cowl and/or firewall, Vintage Air recommends coating the threads with
silicone prior to installation.
Bolts Passing Through Cowl and/or Firewall:
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