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4.1.1 Wiring the controller
WARNING: Before wiring the controller, make sure that the refrigeration unit, fan, heater, and controller are not connected to the electrical supply.
Do not apply voltage to the digital input.
WARNING: If the compressor and a fan are connected to the same relay on the controller, the total current drawn by the compressor and fan must
not exceed the value shown in section 8.4 Terminations.
Use insulated spade connectors to connect the controller to the output loads. If your line voltage uses a neutral line and a phase line, connect the phase line
to the phase terminal(s) on the controller. Line 1 and Line 2 connections on the controller are not phase dependent. Connect the control sensor, optional
evaporator sensor, and optional defrost termination switch using the screw terminal block.
E71R with Control Sensor and Optional Evaporator Sensor
E72R With Control Sensor, Optional Evaporator Sensor, Defrost Heater, and Defrost Fan
Type E7 EcoCool™ Electronic Temperature and Defrost Controllers
©2008 Invensys Controls All rights reserved.
DRAFT VERSION
E71R
Wiring Example
E72R
Wiring Example
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