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Electrical Wiring
5.3
Terminal board layout
5.3.1 MAH2/PAH2 models
Terminal layout – Main terminal board (CR-UXRP71B-P)
5
Section A
Connections
Section B
Connections
To be continued on next page.
66
= Input or Output necessary to connect.
No.
Name
In / Out
10
COM
O
9
DO2
O
8
COM
O
7
D01
O
6
Blind
Unused
5
PT10
I / O
4
PT9
I / O
3
PT8
I
2
FD2
O
1
FD1
O
No.
Name
In / Out
10
FS2
I
9
FS1
I
8
FI2
I
7
FI1
I
6
EX2
I
5
EX1
I
4
TA2
I
3
TA1
I
2
BL2
I
1
BL1
I
= Input or Output can be connected if required.
Allocation
Function
Alarm Signal
Alarm Signal
Alarm Signal
Operation Signal
Operation Signal
Operation Signal
Advanced: Red wire /
Medium: White wire
Advanced version: Connection of
PT-100 temperature sensor of thermo-
Advanced: Red wire /
stat TR-16/TR-16e
Medium Red wire
Medium version: Connection of
analogue output temp. signal
Advanced: White wire /
Medium: not used
Fan Signal
Control of an additional external fan or
additional external air handling unit
Potential for FD2
Allocation
Function
Float switch
Float switch
(ex factory bridged)
Potential for FS2
Filter contact
Filter contact
Potential for FI2
EXCT-Contact
EXCT-Contact
(external thermostat off switch)
Potential for EXCT
No polarity
Suction Temperature Sensor TA
(included)
No polarity
(Room Temperature Sensor)
No polarity
Discharge Temperature Sensor BL (in-
cluded only with PAW-xxxMAH2(L/M))
No polarity
AHU Kit – Installation Instructions – 11/2021
Description
External Potential:
max. 230 V AC / 3 A
External Potential:
max. 230 V AC / 3 A
Take care of wiring colours!
Note: For advanced version connect only,
in case thermostat TR-16/TR-16e is being
used.
For medium version: PT10 = negative pole
("–") and PT9 = positive pole ("+")
Internal potential: 12 V DC
Description
Internal Potential: 12 V DC
Internal Potential: 5 V DC
Note: For activating filter input, verify in De-
tailed Settings that code 2A is set to "0000"
Internal Potential: 5 V DC
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