13-1
CONTROL SYSTEM
Revision Y05-01Service Manual - DNG Series
13. CONTROL SYSTEM
13.1 Electronic Control
13.1.1 Introduction
The electronic control information is designed for service applications, and is common
to the following groups of air-conditioners:
x ST/RC group -Cooling only / cooling and heating by heat pump.
x SH group -Cooling and heating by heat pump and supplementary
heater.
x RH group -Cooling, heating by heaters only.
13.1.2 Model Plug Settings
Before installation, make sure to set the model plug conforming to the suitable group.
GROUP
J6 Setting J2 Setting
ST / RC Open Open
SH Closed Open
RH Closed Closed
Model Plug
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