Hitachi SAMURAI Series Service Manual page 38
Water cooled water chillers -modular-r134a-screw type
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Also See for SAMURAI Series:
- Service manual (137 pages) ,
- Service manual (174 pages) ,
- Manual (118 pages)
Table of Contents
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2 Control Functions
Control functions on the module
Pulse input type 2 (external DC24V source)
a. Signal aspect and basic sequence
For wiring
Time chart
b. Setting method
Since it applies remote control, it is not required to change any settings at the LCD screen.
?
N O T E
• Do not bundle the additional wiring together with other control circuits, and in particular with wiring for 230V or 400V.
• Put the additional wiring separately inside a metallic pipe, or use a shielded wire.
30
SMGB0120 rev.0 - 11/2017
Remove
(OFF)
(ON)
Local works - parts to be arranged locally
ON
OFF
Run
More than 5 min
ON
OFF
Run
Unit
Stop
(ON) signal
(OFF) signal
(field supplied)
ON
More than 200 ms
ON
Stop
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Troubleshooting
