72
AHU Kit – Installation Instructions – 09/2021
Electrical Wiring
5
Terminal No.
Allocation
Function
Description
X4
l
TA1
X4.1
No polarity
Suction Temperature Sensor TA (included)
(Room Temperature Sensor)
l
TA2
X4.2
No polarity
l
E1.1
X4.3
No polarity
Sensor E1 / TH2
l
E1.2
X4.4
No polarity
l
E2.1
X4.5
No polarity
Sensor E2 / TH3
l
E2.2
X4.6
No polarity
l
OP1
X4.7
12 V DC
12 V DC
12 V DC relay required for each signal output, field supplied
l
OP2
X4.8
Potential of Defrost
Defrost signal output
l
OP3
X4.9
Potential for Thermostat
Thermostat signal output
l
OP4
X4.10
Potential for Cool start
Cool
operation signal output
l
OP5
X4.11
Potential for Heat start
Heat
operation signal output
l
OP6
X4.12
Potential for Fan start
Fan
(free cooling) operation signal output
l
OT1
X4.13
Potential for OT2 - OT6
COM
l
OT2
X4.14
Heat input
Heat mode input
5 V DC 0.5mA Current input
l
OT3
X4.15
Cool input
Cool mode input
l
OT4
X4.16
Demand Input 1
LV1 demand control input
Demand control, QUIET and EXCT inputs must be
set using indoor unit detailed settings,
parameter code
0002EE, please see relevant technical data service manual for
details. 5 V DC 0.5mA Current input
l
OT5
X4.17
Demand Input 2
LV2 demand control / QUIET input
l
OT6
X4.18
Demand Input 3
LV3 demand control / EXCT (forcibly thermostat off)
input
Terminal No.
Allocation
Function
Description
X5
l
U1
X5.1
No polarity
Communication bus wiring
P-link
Required for centralized controller
l
U2
X5.2
No polarity
l
R1
X5.3
No polarity
Terminal for Group Wiring (RC connection)
Internal Potential: 16 V DC
l
R2
X5.4
No polarity
l
R1
X5.5
No polarity
Terminal for Group Wiring (RC connection)
Internal Potential: 16 V DC
l
R2
X5.6
No polarity
To be continued on next page.
13.09.2021, cH
Changed as per correction by JW of 07.09.2021:
- Sensor E2 / TH3 => Sensor E1 / TH2
- Sensor E1 / TH2 => Sensor E2 / TH3
Содержание PAW-160MAH2L
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