12-1
CONTROL SYSTEM
SM DELTA 1-E.0 GB
12. CONTROL SYSTEM DELTA18-21-24 TYPE UNITS
12.1 Electronic Control
12.1.1 Introduction
The electronic control information is designed for service applications, and is common
to the following groups of air-conditioners:
• ST/ RC group -Cooling only / cooling and heating by heat pump.
• SH group -Cooling and heating by heat pump and supplementary
heater.
• RH group -Cooling, heating by heaters only.
12.1.2 Jumpers Settings
GROUP J6 Setting J2 Setting
ST / RC Open Open
SH Closed Open
RH Closed Closed
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