Installation Instructions
CoolMaster User Manual
13
www.coolautomation.com
© 2008 Cool Automation
Make sure to connect the communication wires to exact terminal names according to the table below.
Daikin Toshib
a
Sanyo Mitsubis
hi
Electric
Fujitsu
Mitsubis
hi Heavy
Hitachi
LG
Main
Communicatio
n Line
D3 Net
TCC
Link
S3 Net M-Net
(TB3,
TB7)
VRF
transmissi
on line
Super
Link
New
Super
Link
H Link, H
Link 2
Terminal
names
F1 F2
U1 U2
U1 U2
M1 M2
X1 X2
A B
1 2
Inter A,
Inter B
(outdoor
only)
Polarity
none
none
none
none
none
none
none
none
Number of
Indoors
64
64
64
50
64
128
64
128
Number of
Outdoors
10
10
10
10
10
10
10
10
Shielded wiring not
required
required required required
required
required required
required
The connection to the CoolMaster is performed by a specified plug, as shown in the picture below.
The communication wiring usually consists of two wires with 0.75-1.25 mm2 cross section diameters.
The wiring diameters must be the same as the wires used within the air conditioning system, according
to the AC manufacturer requirements. The total wiring length within the system should not exceed AC
manufacturer limitations. The following table describes the wiring specifications for different
manufacturers
Connecting to the BMS/Home Automation Controller
The onboard RS232 connector of the CoolMaster is used for configuration, and connection to the
BMS/Home Automation controller. The 1.5 m long RS232 Male/female cable is supplied with the
CoolMaster.
·
In order to operate Daikin Air Conditioning systems all the indoor units must be provided
with the centralized addresses
·
Main Communication Line is defined as the communication line between the indoor and
the outdoor units.
·
Please make sure not to connect the CoolMaster to the communication line between the
indoor unit and its local remote controller.
·
CoolMaster 6000L (LG) must be connected to the terminals of the outdoor unit (Inter A,
Inter B)
