Hitachi Econofresh, Service Manual

Page: 364 / 408

10.10.4 Controlled network system
Computer-controlled Hitachi network system C5–NET
Example of systems
Description of the systems Capable of controlling up to 128 indoor units formed by 16 refrigeration series
Computer-controlled Hitachi network system C5–NET
System components CSNET WEB Remote control PC-ART
Location of the remote control CSNET-WEB PC-ART CSNET-WEB PC-ART
CSN
ET-
WEB
PC-
ART
Remote control setting
A/C
+VE
NTI
A/C
VEN
TI
A/C
+VE
NTI
A/C
VEN
TI
A/C
+VE
NTI
A/C
VEN
TI
A/C
+VE
NTI
VEN
TI
VEN
TI
VEN
TI
VEN
TI
Function
s
RUN/
STOP
A/C
O
O X
O
O X
O
O X
O
O X X X
Total heat
exchanger
X O X O X O X O O O
FAN
SPEED
A/C
O
O X
O
O X
O
O X
O
O X X X
Total heat
exchanger
X O X O X O X O O O
VENTI
MODE
Automatic
X
(1*)
X X
(1*)
O X O X
(1*)
X X
(1*)
O X O X
(1*)
O
Total heat
exchanger
Ventilation
bypass
Pre-cooling
Pre-heating
X
(1*)
X — O X — X
(1*)
X — — X — — —
Air volume increase X
(1*)
X X
(1*)
O X O X
(1*)
X X
(1*)
O X O X
(1*)
O
Filter signal X X X O O O X X X O O O X O
N O T E
O: available
X: not available
–: not used
•
(1*)
: remote control settings table. Set the number of all indoor units respectively and in series using RSW1 and
DSW5 (indoor unit).
• If H-LINK is used, assign a refrigeration number to each total heat exchanger.
• In the case of CSNET WEB, it is not possible to use AUTO COOL/HEAT.
• If the ON/OFF function of the remote control (optional function) is used, the total heat exchanger cannot be
used.
10.10.5 Filter maintenance
Preliminary procedures
Turn off all power supply switches before starting maintenance work.
Wait 5 minutes after stopping the unit before starting the cleaning procedure.
10 Servicing
352
SMGB0063 rev. 1 - 10/2010