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7
Manual C
ORRIGO
C-
SERIES
2000.09
C
ORRIGO
- C20
Analogue inputs - Pressure sensors 0....10V
AI1
Pressure sensor, supply air fan
AI2
Pressure sensor, exhaust air fan
Analogue inputs - Temperature sensors
AI3
Exhaust air temperature
AI4
Extract air temperature
or
External setpoint
or
Exchanger return temperature (Liquid
connected exchanger)
AI5
Outdoor temperature
AI6
Supply air temperature
AI7
Room temperature
AI8
Frost protection temperature
When frost protection function has been
selected
or
High temperature limit. When using an electric
heater.
Digital inputs - operation and alarm indication
DI1
Filter guard(s)
DI2
Circulation pump monitor, heater circuit
DI3
Input for alarm from chiller(s)
DI4
Rotation sentinel
or
ice build-up sentinel for heat exchanger
DI5
Fire alarm
DI6
External alarm,
external switches ”not in Auto position”
or
end-position indication for fire-damper (for fire-
damper exercising).
DI7
Button or timer for extended running time at
normal speed.
DI8
Button or timer for extended running time at
reduced speed.
6
analogue sensor inputs Pt1000
2
analogue inputs 0....10 V
8
digital inputs
5
analogue outputs 0....10 V
7
digital outputs
The controller has temperature control with up to three sequences, control of DX-cooling, pressure control of
supply air fan and exhaust air fan, heat exchanger efficiency calculation, cooling recovery function, free
cooling etc.
Analogue outputs - output signal 0...10 V
AO1 Y1 - Heating, cooling or damper
AO2 Y2 - Heating, plate exchanger, rotating
exchanger,
liquid connected exchanger, damper or
cooling
AO3 Y3 – Heating, cooling or not used
AO4 Pressure control signal for supply air fan
AO5 Pressure control signal for exhaust air fan
Digital outputs
DO1 Activate supply air fan
DO2 Activate exhaust air fan
DO3 Control circulation pump
or
Electric heating interlock
DO4 Control chiller 1 (DX)
DO5 Control chiller 2 (DX)
DO6 Control external frost protection
or
Fire damper exercising
DO7 Alarm output
Example of an
application suitable for
controlling by the C20
model.
Содержание Corrigo C Series
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