Hitachi HARC-MODBUS User Manual

PMML0175A-rev.1 - 6/2008
HARC-MODBUS - xxxxxxxxxxxxxxxx
3
English
HARC-MODBUS - Installation Manual
 Note:
This manual provides basic information for installing and
wiring HARC-MODBUS.
Contents
1. Safety Summary __________________________________________________ 4
2. Component names ________________________________________________ 4
3. Specifications ____________________________________________________ 5
4. Installation work ___________________________________________________ 6
4.1 Dimensional data ____________________________________________ 6
4.2 Fastening __________________________________________________ 6
5. Wiring connections ________________________________________________ 7
5.1 Electrical wiring ______________________________________________ 7
5.2 DIP switch setting ____________________________________________ 8
6. Operation _______________________________________________________ 12
6.1 PACKAGED: Data available ___________________________________ 12
6.2 CHILLER: Data available _____________________________________ 15
6.3 Alarm code list for CHILLER ___________________________________ 16
6.3.1 CHILLER alarms code list ______________________________________16
6.3.2 Cycle alarms code list _________________________________________17
7. Troubleshooting __________________________________________________ 18

Hitachi HARC-MODBUS Specifications

General

Brand	Hitachi
Model	HARC-MODBUS
Category	Controller
Language	English