___________________________________________________________________________ 38 NT 1965 A - 03/2019
11
LAYOUT DIAGRAM OF THE MACHINE (ACCORDING TO CONFIGURATION)
12
I/O ORGANISATION
I/O
Description
Analogue inputs
A/I 1
0-10V auxiliary sensor
A/I 2
Not used
A/I 3
Not used
A/I 4
Supply air temperature sensor - NTC
A/I 5
Return air temperature sensor - NTC
A/I 6
Fresh air temperature sensor - NTC
A/I 7
Frost protection temperature sensor (recovery unit by-pass) - NTC
A/I 8
Not used
A/I 9
Not used
A/I 10
Not used
Digital inputs
DI 1
Presence sensor
DI 2
On/off (remote)
DI 3
Supply air fan thermal safety devices (protection)
DI 4
Return air fan thermal safety devices (protection)
DI 5
Supply filter fouling
DI 6
Return filter fouling
DI 7
Electric heater differential pressure switch
DI 8
Fire contact
DI 9
Summer-Winter
DI 10 (HV1)
Electric heater overheating with automatic reset at 95°C
DI 11 (HV2)
Electric heater overheating with manual reset at 120°C
Analogue outputs
M
M
M
M
T3
T4
T2
T1
dP1
BE
FG1
PF
PF
FG2
V2
FG3
dP3
dP2
ECH
A1
HE
SSR
Fresh air
Discharge
air
Return air
Supply air
V1
