Sensor To Control Configuration - Hussmann microSC SHM-A Series Installation & Operation Manual

3-6 STARTUP / OPERATION
Rear of Control
The defrost sensor is located in the evaporator
and is routed to the RTN400 controller.
P/N 3104942_B

Sensor to Control Configuration

Defrost Sensor
U.S. & Canada 1-800-922-1919 • Mexico 01 800-890-2900 • www.hussmann.com
SENSOR TEMP
DEFROST
ORANGE
33 32 31 30 29 28 27 26 25 24 23 22
TTL
OUT2 OUT3 OUT1
1 2 3 4 5 6 7 8 9 10 11 12 13 14
SENSOR TEMP
AIR
GREEN
PB2
PB1
21 20 19 18
12V
KEYB
D
GND
15 cm.
MAX.
OUT4