Hitachi HARC70-CE1 Manuel D'installation Et De Fonctionnement page 10

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WIRING CONNECTION METHOD
6
4
b) Fixing Method by Screw (M4) (Screws: Field-supplied)
Procedure:
1. Open the both upper and lower
cover of HARC70-CE1 (OP) horizontally.
2. By using screw (M4 Screw, 2 Positions),
fix HARC70-CE1 (OP) on the wall.
4.
WIRING CONNECTION METHOD
ATTENTION:
- Read and understand SAFETY SUMMARY of this manual before wiring work.
- Do not perform wiring this work by a person expect certified ones.
4.1.
INSTALLATION OF WIRING
1. Regarding HARC70-CE1 (OP), transmission
line for water chillers and transmission line
for Upper system monitoring equipment are
required.
2. Wiring Method.
Upper Monitoring
AC220/240V
Equipment
Power Source
HARC70-CE1 (OP)
Water Chiller Unit
3. Close the both upper
Nº
1
2
3
4
(*1) The cable always use the Twist-Pair Cable.
Connection Cable: Field-supplied.
Water Chiller Unit
and lower cover.
HITACHI CONTROL SYSTEM G/W
Equipment for
Specification of wiring
connecting
Power Source Line AC220-240V 2mm
for Water Chillers cores shield
Earth Cable Follow local standards.
Follow the instructions by
Upper Monitoring the person who manages
Equipment the upper system
equipment. (*2)
Transmission Line 1P-0.75mm
for Water Chillers cable (*1)
2
two
2
twisted pair