12 12.21
X4-1
X4-2
X4-3
X4-4
X4-5
X4-6
X4-7
X4-8
X4-9
X4-10
X4-1
1
MOD B
MOD A
GND
GND
INPUT
2
INPUT
1
+12V
NO
COM
NO
COM
〶
L
N
〶
X3-1
X3-2
X3-3
L
N
〶
MR1
L
N
BYPASS
MF1
CN1
CN2
TS TE
TF
TR
X1
X2
X3
L
N
8.2 BASIC WIRING DIAGRAM
BYPASS
TOUCH
SCREEN
AIR SENSORS OR
HEATING/COO-
LING ACCESSO-
RIES
FAN CONNECTIONS
AIR TEMP. SENSORS
UNIT POWER
ELECTRIC BOARD
CONTROL BOARD
INTERNAL
ACCESSORIES
(OPTION)
Ex. AIR DUCT SENSOR
INTERNAL PREHEATER
supply
exhaust
fresh
return
Avensys srl reserves the right to make changes without prior notice
SG MANUAL - Heat Recovery unit
Installation - Operation - Maintenance
