DUAL DRYER SYSTEM
INSTALLATION/SERVICE
MANUAL (L31279)
®
Page 11
Electrical Diagrams
Dual Consep 12/24V Non-Heated
Without Relay
Electrical Relay (not included)
Air Dryer Heater
Dual Consep 12/24V Heated with
Electrical Relay or Timer Relay
Timer Relay (not included)
Thermostat Operation
Closes
as temperature decreases to 45° ± 7° F
Opens
as temperature increases to 71° ± 6° F
Normal
- Connect to #87 (#87A not used)
Heated
- Connect to #87A as shown (#87 not used))
The heater terminals
are non-polarized.
Connection per SAEJ2383.
Accepts Delphi Electrical
Systems P/N 12020599.
Normal -
Connect to #87 as shown (#87A not used)
ON 3 Seconds/OFF 45 Seconds
Heated -
Connect to #87A (#87 not used)
ON 45 Seconds/OFF 3 Seconds
12/24V
Ground
See Harness
Wiring
Options
Below
THERMOSTAT
HEATER
