Coolmasternet VRF-VRV controller

• Power supply

• Min load* 5V/175mA (via mini USB);

• 12V/120mA; 24V/70mA

• Max load** 5V/300mA (via mini USB);

• 12V/200mA; 24V/120mA

• Mounting DIN rail / wall

• Operating conditions Ambient temperature -10°C ~ 60°C / 14°F ~ 140°F

• Humidity 0% ~ 96% non-condensing

• Storage conditions Ambient temperature -20°C ~ 70°C / -4°F ~ 158°F

• Humidity 0 % ~ 98 % non-condensing

• Dimensions HxWxD 156 x 109.8 x 35.32 [mm] / 6.14 x 4.32 x 1.39 ["]

• LCD Size / # of dots / # of colors 2.8" / 240 x 320 / 262K

• Input Touch panel 8 bit encoded analog input

• Communication functions

• Direct HVAC conenction Connection to the 2 wired HVAC bus

• MODBUS (A / B) RS-485 communication line

• Ethernet 100Mbps

• RS-232 DB9, 9600Bps, ASCII

• USB Host 12Mbps

• USB Device 12Mbps

• Maximal allowable wiring length (to BMS) over RS232 25 [m] / 82 [ft]

• Maximal allowable wiring length (to BMS) over RS485 1000 [m] / 3300 [ft]

• Maximal allowable wiring length (to router) over Ethernet 137 [m] / 450 [ft]

• Certification FCC, CE (EN 60335-1, EN 60335-2-40)