WABCO SYSTEM SAVER HP MM1736, Maintenance Manual

Page: 31 / 36

31
Application Information
EN
7 Application Information
7.1 Recommendations
i
i
For complete installation and operating requirements, refer to TP9672, Air Dryer Application
Guidelines. To download this publication, go to wabco-na.com.
„
Compressor discharge line should have a continual downhill run to the air dryer. There should be no
water traps (low points or kinks) in the line before or after the dryer.
„
Mount air dryer so that there is no direct splash or spray from a wheel.
„
Keep air dryer at least 12" (305 mm) from any heat-producing sources like exhaust manifolds or pipes,
transmissions, etc.
„
Make sure there are no valves or other devices in the dryer-to-supply-tank line to prohibit or restrict the
flow of air back from the supply tank to the air dryer.
7.1.1 Operating Environment
Table G: Operating Parameters
Operating Parameter Requirement
Temperature (ambient operating range) −40°F to 175°F (−40°C to 80°C)
Electrical Power (for heater and solenoid/timer power) 12 or 24 volts available
Thermostat Range (On/Off temp) 45°F, 86°F (7°C, 30°C)
7.1.2 Discharge Line
„
Diameter from compressor to air dryer
5/8-inch (15.875 mm) ID minimum for 25.5 cfm and under
3/4-inch (19.05 mm) ID minimum for over 25.5 cfm
i
i
IMPORTANT NOTE:
Line size and fittings must comply with the compressor manufacturer’s
guidelines for backpressure and peak pressure.
„
Length from compressor to air dryer
Determined by temperature of air at the inlet port of the air dryer. At normal vehicle operating
temperature, the combination of length or increased diameter must be sufficient to keep temperature
BELOW 175°F (80°C).