Control System - Electra DELTA 18ST Service Manual

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
• RH group
12.1.2 Jumpers Settings
GROUP
ST / RC
SM DELTA 1-E.0 GB
-Cooling and heating by heat pump and supplementary
heater.
-Cooling, heating by heaters only.
J6 Setting
SH
RH
CONTENTS
Open
Closed
Closed

CONTROL SYSTEM

J2 Setting
Open
Open
Closed
12-1