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KEY:
Item
N1-L1
230 Volt power terminals
F
Fuse 5x20
FAN 1
230 Volt Power Supply - Fan 1
FAN 2
230 Volt Power Supply - Fan 2
F1
0-10 Volt Signal - Fan 1
F2
0-10 Volt Signal - Fan 2
T1 ÷ T4
Temperature sensors
CONTROL
Control Panel
C1-C1
NO potential.free contact (input)
C2-C2
NO potential-free contact (input)
NC potential-free contact (input) (active only if
C3-C3
JUMPER MC1 open)
FC-FC
SPST Potential-Free Contact
IAQ
Internal Relative Humidity Sensor
RS485
Modbus Connection
DIP 1
Configuration Dip Switch
DIP 2
Address Dip Switch for ModBus networks
MC4
Master/slave jumper or Modbus network
Differential Pressure Sensor Connection for auto-
BP
matic air flow rate control
BD
By-pass damper connection (FreeCooling)
TTL
Connection for additional boards
EH1
PWM control preheating output
Pre-Treatment output for controlling 230 Volt ON/
EH2
OFF actuators or enabling external modulating
resistance
DL2
Power on LED
DL3
Status and alarm LED
68
Description
Notes
/
/
/
/
Fan 2 with inverse configuration
Fan 1 with inverse configuration
/
KVS RHQ controller supplied with unit
Remote On/Off function – unit Off when the contact is
closed
Booster function active when the contact is closed
See Fireplace and Boiler functions
/
/
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See Configuration Dip Switch table
8 Dip Switches - for max 60 units
The network must be closed on the last unit in case of
RS485 Modbus connection. It is closed by closing Jumper
MC4.
Accessory for KVS RHQ models
/
Accessory/Optional
/
Antifreeze with external systems
/
See alarm table
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