Descrption Of The Unit - Control System - Mandik CPV Installation, Commissioning And Maintenance

MANDÍK CPV Installation, commissioning, and maintenance
Fig 12 Airflow, right-hand unit design
9.2 DESCRPTION OF THE UNIT – CONTROL SYSTEM
Fig 13 Control system, configuration with hot water coil and mixing,
right-hand unit design
IZU 06/2021 MANDÍK, a.s., www.mandik.cz
ETA = RETURN FROM SPACE
SUP = SUPPLY TO SPACE
MIXING OF SUPPLY AIR WITH
RETURN AIR
FRESH AIR BY-PASS
EC1/EC2 – supply / return EC fan
M1 – supply damper actuator
M2 – by-pass damper actuator
M3 – return damper actuator
M4 – mixing damper actuator
M5 – actuator on the 3-way mixing valve
serving the hot/cold water coil
dP1 – differential pressure switch on
supply filters
dP2- differential pressure switch on
return filters
S1 – outdoor air temperature sensor
S2 – supply air temperature sensor
S3 – return air temperature sensor
S4 – freeze-protection temperature
sensor on recuperator
S5 – hot/cold water coil return water
temperature sensor
CP – hot/cold water coil circulating
pump
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