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W3.260419
We reserve the right to alter specifications.www.swegon.com
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: The damming height of the water trap, 100 mm | 7: Supply demarcation of the ventilation unit | 8:
Separate extract air, bypasses the heat exchanger | 9: General ventilation | 10: Supply air | 11: Modular cables with RJ9-connectors |
12: Control panel | 13: Cooker hood
SYMBOL DESIGNATION EXPLANATION
TC01 TEMPERATURE CONTROLS Temperature control for the post heating air heater
T1 TEMPERATURE SENSOR Temperature sensor, outdoor air
T2 TEMPERATURE SENSOR Temperature sensor, supply air downstream of the heat exchanger
T3 TEMPERATURE SENSOR Temperature sensor, extract air
T4 TEMPERATURE SENSOR Temperature sensor, supply air.
T5 TEMPERATURE SENSOR Temperature sensor, exhaust air
T6–T9 TEMPERATURE SENSOR Connected to SET, the functions are determined through the programming of SET (accessory)
TZ01, TZ02 OVERHEATING PROTECTION Overheating protection with manual reset
TZA1, TZA2 OVERHEATING PROTECTION Automatic over temperature protection
SET CONNECTION UNIT Connection unit for Smart control signals
SEM CONNECTION UNIT Connection unit for Smart Modbus/control signals
F1 + F2 FILTER Supply air filter
F3 FILTER Extract air filter
HR HEAT EXCHANGER Heat exchanger
SF1 FAN Supply air fan
EF1 FAN Extract air fan
SD1 DAMPERS Bypass damper summer time
SD2 DAMPERS Shut-off dampers, accessory
SK AIR HEATER/COOLER Electric air heater, accessory
LP AIR HEATER/COOLER Air heater accessory
VP AIR HEATER/COOLER Air cooler, accessory
RH SENSOR Humidity sensor
RH + CO2 SENSOR Humidity/carbon dioxide sensor, accessory
RH + VOC SENSOR Humidity/VOC sensor, accessory
7.7 Control diagram
7.7.1 W3
DESCRIPTION OF THE FUNCTIONS
CONTROL FUNCTIONS:
The ventilation unit can be operated from a separate Smart control panel or a compatible CASA cooker hood. When the ventilation unit is controlled from the cooker
hood in the Home/Away/Boost modes and for local extraction, the time can be set to 30, 60 or 120 minutes. The supply air temperature can be set from the control panel.
When necessary, the post heating function can also be switched off with control panel settings.
Summer operation: In the summer, the extract air is steered past the heat exchanger when the controller opens the bypass cover.
– The air heater for post heat is equipped with an automatic thermostat TZA1 and a thermostat TZ01 with manual reset (set value 90 °C).
– The air heater for preheat is equipped with an automatic thermostat TZA2 and a thermostat TZ02 with manual reset (set value 90 °C).
– The fans have automatic overtemperature protective devices.
IF THE SAFETY EQUIPMENT TRIPS:
– If an overheating protection with manual reset trips, it can be reset by pressing a reset button above the air heater.
– The automatic overheating protections of the fans will reset themselves when the temperature has dropped below the setting value.
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