Specifications

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1-9
On/Off Thermostats
ERT-209
Wall mount, 230VAC Thermostat,
with 2 compressors for Cooling and 2 Heat Elements,
Timer and IR (option)
The ERT-209 is a fully featured thermostat suitable for
Central Mini-Duct or Split-Unit AC systems.
It has outputs for 2 compressors and 2 Heat Elements –
H/C configuration, 1 fan speed, 12-hour timer and a remote
control option. The ERT-209 is an easy to use thermostat,
with a large, easy to read display.
Features
y Wall-mount, 230VAC thermostat
y 2 compressors for cooling, 2 heat elements for heating
y 1 fan speed
y 12-hour Timer - automatically turns on/off
within 12-hours
y Remote Control - optional
y Energy saving – cost efficient, environmental
friendly thermostat
y 3 minute delay for compressor protection
y Heat Off Fan delay
y Ambient temperature display – selectable
y Large & easy to read LCD display
AC
COOL
HEAT
COMPRESSOR
DELAY
TIMER
°C
RT03
Wiring diagram