Control Diagram - Swegon CASA R9-H SMART Installation, Commissioning And Maintenance Instruction

R9-H | R15-H Smart

8.6 Control diagram

1
2
T
1
HU HU/CU
4
M
T
SET
5
3
M
1: Group electrical distribution box | 2: Electrical equipment cubicle | 3: Exhaust air | 4: Outdoor air | 5: Power supply: 230 V, 10 A
with plug-in connection | 6: Supply demarcation of the ventilation unit | 7: Extract air | 8: Supply air | 9: Modular cables with RJ9-
connectors | 10: Control panel
SYMBOL DESIGNATION
T1 TEMPERATURE SENSOR
T3 TEMPERATURE SENSOR
T4 TEMPERATURE SENSOR
T5 TEMPERATURE SENSOR
T6–T9 EXTERNAL TEMPERATURE SENSOR
CH COOKER HOOD SWITCH
SET CONNECTION UNIT
SEM CONNECTION UNIT
HR HEAT EXCHANGER
SD2 DAMPERS
HU AIR HEATER
CU AIR COOLER
RH SENSOR
RH + CO2 SENSOR
RH + VOC SENSOR
DESCRIPTION OF THE FUNCTIONS
CONTROL FUNCTIONS:
The ventilation unit can be operated from a separate Smart control panel or a Smart cooker hood.
When the ventilation unit is controlled from the cooker hood in the Home/Away/Boost modes and cooker hood damper open time can be set to 30, 60 or 120 minutes.
The supply air temperature setpoint can be changed from the Smart control panel.
SAFETY FUNCTIONS:
– The fans have automatic overtemperature protective devices.
REMEDIAL MEASURES TO TAKE IF THE SAFETY EQUIPMENT TRIPS:
– The automatic overheating protections of the fans will reset themselves when the temperature has dropped below the setting value.
REMOTE OPERATION: Study the ventilation unit manual and the list of parameters for Modbus.
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All rights to changes reserved.
0 1
5
0 1
M
HR
EXPLANATION
Temperature sensor, outdoor air / extract air
Temperature sensor, extract air / outdoor air
Temperature sensor, supply air / exhaust air
Temperature sensor, exhaust air / supply air
Connected to SET, the functions are determined through the programming of SET (accessory)
Cooker hood function
Smart Extension Temperature module, accessory
Smart Extension Modbus module, accessory
Heat exchanger
Shut-off dampers, accessory
External air heater, accessory
External air cooler, accessory
Humidity sensor
Humidity/carbon dioxide sensor, accessory
Humidity/VOC sensor, accessory
T
4
T
3
6
2020-11-12
I03-I05
A04
ModBus
9
10
I01-I02
T6-T9
T6-T9
8
HU CU
7
CH