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Ventilation unit with heat recuperation
DUOVENT
®
COMPACT RV
2
7
6.3.4
TECHNOLOGY SCHEME OF DIGIREG
®
I&C SYSTEMS
Legend to schemes
S1
R
oom temperature sensor
S2
S
upply air temperature sensor
S3
T
emperature sensor for frost protection of water heating
S4
T
emperature sensor for exhaust air
S5
E
xhaust air temperature sensor
S6
P
ressure sensor on the supply filter
S7
D
rain filter pressure sensor (optional)
S8
T
hermostat as protection against freezing of the direct evaporator
S9
S
upply fan pressure sensor (mandatory - monitors fan operation)
S10
I
ntake air temperature sensor
S11
R
ecuperator icing sensor
S13
O
utdoor temperature sensor (enable condenser unit operation)
V1
S
upply fan
V2
E
xhaust fan
KL1
I
nlet flap actuator (circulation)
KL2
O
utlet flap actuator (can be coupled with KL1)
KL3
R
ecuperator bypass actuator
KL4
M
ixing actuator for integrated flaps
ST1
H
eating water mixing valve actuator ST2 cooling water mixing
valve actuator
KJ
C
ondensing unit