With DUALCHILLER a new Modbus
network has been developed for the
exchange of data between the GR3
1
DUALCHILLER KIT CONTENTS
boards and the pCO 1 board.
Before dealing with the appliance and
its interface panels, both on-board and
remote, the installer must install and
connect all kit components. (Fig. 1).
KEY
The dualchiller kit contains the following
parts:
1
pCO1
2
Two AER485 boards to interface
with GR3 boards
3
Two diverter boards used in pair for
remote control of pCO1 on pLAN
network with shielded cable
Use them if you want to connect
two chillers at a distance of more
than 30 mt.
4
MASTER serial card already introdu-
ced
5
SLAVE serial card already introdu-
ced
6
Two telephone cables for connecting
the PGD panels
7
Transformer
8
Remote pGD panel
9
Ferrites
fig. 1
3