INSTRUCTION MANUAL
GENERAL SAFETY INFORMATION
1. Pressurized devices
This equipment is a pressure containing device.
• Do not exceed maximum operating pressure as shown
on equipment serial number tag.
• Make certain equipment is depressurized before ser-
vicing.
2. Electrical
This equipment requires electricity to operate.
• Install equipment in compliance with national and local
electrical codes.
• Standard equipment is supplied with NEMA 1 electri-
cal enclosures and is not intended for installation in
hazardous environments.
• Disconnect power supply to equipment before
servicing.
3. Breathing air
• Air treated by this equipment may not be suitable for
breathing without further purification. Refer to OSHA
standard 1910.134 for the requirements for breathing
quality air.
Contents
GENERAL SAFETY INFORMATION ...................................1
1.0 INSTALLATION ..........................................................2
2.0 OPERATION ..............................................................3
3.0 MAINTENANCE ........................................................4
TROUBLESHOOTING GUIDE .............................................6
SPECIFICATIONS ......................................................... 7-8
ELECTRICAL SCHEMATICS ...............................................9
DIMENSIONS AND WEIGHTS ................................... 10-12
PARTS LIST .............................................................. 13-14
WARRANTY ..................................................................16
3227486 Rev. H 10/18
CA18-2-635 4
th
Edition
CRH SERIES
HIGH INLET
TEMPERATURE
REFRIGERATED
COMPRESSED
AIR DRYERS
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