Safety Summary; Electrical Work - Hitachi HARC70-CE1 Manual De Instalación Y Funcionamiento

1.

SAFETY SUMMARY

WARNING:
- This product is used for BMS connection adapter for HITACHI Water Chilling Units.
- Do not place the adapter in a place where flammable gas, or oil mist may stay exit, it will
cause a fire, a fire disaster, deformation of machines, corrosion or breakage
- a place where oil mist or steam drifts.
- a place where sulfide gas form as hot spring drifts.
- In the case that a medical equipment generating electro-magneticwaves is installed near
the Water Chillers, pay an attention to the radiation direction does not occur.
- It is recommended that a space of 3 m or more between HARC70-CE and the medical
equipment, radios, etc. be provided.
- Do not place the adapter in a place to be exposed to direct sunlight.
- Install action:
- Install properly this adapter by following this manual to avoid any electric shock, fire
disaster and injury by falling down HARC70-CE1.
- Check to ensure that the adapter is fixed firmly to avoid injury by falling.
- To avoid the fire or fire disaster, do not install the adapter in a place where there is
possibility of generation or flow of flammable gases.

- Electrical Work:

- To avoid any electric shock, ask for the work to the shop having qualification for
electrical works.
- To avoid any electric shock and disaster, perform electrical wiring according to local
regulations.
- To avoid electric shock, and fire disaster, use the prescribed cable to connect of Water
Chiller units, (model HARC70-CE1)
- Turn off electrical power before electric wiring work when the cover of HARC70-CE1
is opened.
2.
SYSTEM CONSTITUTION
2.1.
SYSTEM CONSTITUTION
The Internal Constitution of BMS connection using HARC70-CE1 is indicated in the Figure1.1.
Read this manual together with the "Installation & Operation Manual" for other units which are
connected. As for the other equipment which composes the system, read the handling manual
which was attached to each.
Upper Monitoring System
HARC70-CE1
The range which
Hitachi provides
Chiller Unit
Chiller Unit
(*1) LONWORKS ® is the Register Trade Mark of Echelon Corporation in United States and other countries.
Fig. 1.1. Example of System Constitution
SAFETY SUMMARY
(BMS)
LonWorks ® (*1) Network
HARC70-CE1
Chiller Unit Chiller Unit
/
1 1
Chiller Unit