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Components description,
continued
Electronic control
Detailed description of the electronic controls on page 11 , and user guide page 25
Control part
illustration
Fig. 2
Component
description
pos
Mode A
Mode B
S1 T1 outside air inlet temperature sensor T3 indoor extracted air temperature
sensor
S2 T2 indoor supply air temperature sen-
sor
T4 exhaust to outside temperature sen-
sor
S4 T4 exhaust to outside temperature
sensor
T2 indoor supply air temperature sensor
S3 T3 indoor extracted air temperature
sensor
T1 Outside air inlet temperature sensor
A VOC and RH% sensor (accessory)
n/a (sealing pad)
B n/a (sealing pad)
VOC and RH% sensor (accessory)
1 T1 outside air inlet pressure connec-
tion
T3 indoor extracted air pressure con-
nection
2 T2 indoor supply air pressure connec-
tion
T4 exhaust to outside air pressure con-
nection
3 T3 indoor extracted air pressure con-
nection
T1 outside air inlet pressure connection
4 T4 exhaust to outside air pressure
connection
T2 indoor supply air pressure connec-
tion
BP Cable for by pass
Cable for by pass
S3
A
BP
3
2
S2
4
S4
S1
B
1
