Parts Of The Vch/Vir Series; Ykn2 Open Control Circuit - York VCH 20A User Manual

1.1.3 Parts of the VCH/VIR series

The VCH/VIR series range is made up of a series of air ‑ air units with centrifugal fans in the indoor unit
and the outdoor unit.
The outdoor unit includes:
• Compressor.
• Condenser.
• Centrifugal fan.
• Controls and DPC-1 thermostat.
The VIR indoor unit includes:
• Evaporator coil.
• Air filter.
• Centrifugal fan.
The unit can be located indoors or outdoors, as it is protected to withstand outdoor weather conditions.
The units is supplied fully fitted and factory-tested and is designed to provide a significant saving of
energy and a long working life.
The air intakes and outlets on each VIR model can be configured vertically or horizontally (using the
optional kit).
Software installed in the YKN2 Open electronic board provides electronic management for the units.
In addition, a wide range of accessories is available to adapt the units to the specific requirements of
each application. The air conditioning units in the VCH/VIR series can operate in extreme weather
conditions.

1.1.4 YKN2 Open Control Circuit

YKN2 Open Control Circuit
The control circuit is 24 V and can operate with the
standard DPC-1 thermostat (communication) or with
a 24 V thermostat with control signals (Y1, G, O/B,
Y2).
User manual
General description of the unit
Y2 O/B Y1 G
1
1.1
X1 B R
5