Control Features - AERMEC DUALCHILLER CONTROL Instalación Y Uso

DUALCHILLER lets you control the fol-
lowing functions:
-Unified thermostat for the entire ma-
chine (single setpoint, central step con-
trol)
-Unified regulation probe
-Managing a single hydronic system
dualchiller diagram example
GR3 "MASTER"
8
4

CONTROL FEATURES

- Rotating the compressors
The GR3 boards are divided in a Ma-
ster board and a Slave board.
The master board is the one on which
the common settings are made and is
distinguished by having serial address
1
"MODBUS"
while the address of the slave board is
2.
The architecture is shown below (Fig.
09)
GR3 "SLAVE"
pGD
fig. 09