12-1
CONTROL SYSTEM
Revision Y05-01Service Manual - WMZ
12. CONTROL SYSTEM WMZ 7-22
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