TK 56701-1-IM-EN
47
Evaporator Defrost Drains
Refer to the illustration below.
•
Evaporator(s) must be properly mounted to provide a slope towards drain. This is accomplished by adding one 3/8
in. and one 3/16 in. washer on drain side and only one 3/8 in. washer on other side at each mounting surface.
•
Evaporator(s) should be located a minimum of 51 mm (2.00 in.) from cargo box wall.
•
Defrost drains must exit evaporator at a 45° angle. Drains should be 267 mm (10.50 in.) from evaporator to cargo
box ceiling.
Cargo Wall Drain Tubes
Refer to the illustration below.
1. Drain tubes must be 25 mm (1.00 in.) ID and made of Chlorinated Polyvinyl Chloride (CPVC) material.
2. Drain tubes must be installed inside cargo box wall.
3. Drain tubes must exit bottom of cargo box wall with no kinks or obstructions and allow condensate to drain freely.
Figure 32. Typical Cargo Wall Drain Tube Details Shown
51 mm
(2.00 in.)
267 mm
(10.50 in.)
RCS1139-2
25 mm ID
(1.00 in.ID)
1
2
3
