Robertshaw SLIMZONE ENVIRONMENTAL MODULE - Manual (Page 6)

SZEM TERMINAL DESCRIPTIONS
Output terminals on the SZEM module are protected by current limiting devices which are
activated when the current draw exceeds 0.3 Amps.
TERMINAL DESIGNATION DESCRIPTION
24 VAC 24 VAC R
24VAC (COMMON) 24 VAC X
DAMPER OPEN DAMPER OPEN
DAMPER COMMON DAMPER COM
DAMPER CLOSE DAMPER CLOSE
OUTDOOR TEMPERATURE PROBE WIRE 1 ODT1
OUTDOOR TEMPERATURE PROBE WIRE 2 ODT2
DISCHARGE AIR TEMPERATURE PROBE WIRE 1 DUCT 1
DISCHARGE AIR TEMPERATURE PROBE WIRE 2 DUCT 2
RS485 COMMUNICATIONS B RS485 B
RS485 COMMUNICATIONS A RS485 A
RS485 COMMUNICATIONS GND DO NOT USE
SZEM Terminal Designations
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