IEC E055-71520325 User Manual

2
R 24 VAC return
C 24 VAC common
G , G2, G3 low/medium/high fan
Y1 chilled water valve (4 pipe)
or hot/chilled water valve
(2 pipe)
Y2 2-staged cooling
The Thermostat Backplate
SCALE 1 : 1
IMPORTANT:ThisthermostatrequiresbothR(24VACPower)andC(24VAC
Common)wiresbeconnectedtothebackplateterminalstooperateproperly.
To remove the thermostat
backplate: Gently separate the
display from the base by pulling
from the center.
Y2 RS R G Y1 G3 W1 G2 C H20 CK1
W1 hot water valve (4 pipe) or
strip heat (2 pipe)
H20 2 pipe water temp sensor
(open = hot, closed = chilled)
CK1 Dry Contact
RS wired remote 10K NTC
thermistor

IEC E055-71520325 Specifications

General

Brand	IEC
Model	E055-71520325
Category	Thermostat
Language	English