SystemAir Topvex VAV, Руководство по установке

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6 | External connections
6 External connections
Table 3 Connections to external functions
Terminal block Description Remark
PE
Ground
N N
Earthed neutral (mains power supply) Used for phase 230V 1~ and
400V 3~
L1 L1
Phase (mains power supply) Used for phase 230V 1~ if the
unit has this mains
400V 3~/230V 3~
L2 L2
Phase (mains power supply) 400V 3~/230V 3~
L3 L3
Phase (mains power supply) 400V 3~/230V 3~
1 G
Auxiliary supply (Pressure transmitter. Water
valve actuators)
24V AC
2 G0
Reference (Water valve actuator mains)
24V AC
10
DO ref DO reference G (24V AC)
12
1
DO 2
Outdoor/Exhaust air damper
24V AC
Max. 2,0 A continuous load
WP L1
Circulation pump hot water system
230V AC
14 1 DO 4
Cooling pump
24V AC
15 1 DO 5
DX Cooling step 1
24V AC
16 1 DO 6 DX Cooling step 2 24V AC
17 1 DO 7
Alarm output for DO signals
24V AC
30 AI Ref Supply air temperature sensor reference neutral
31 AI 1
Temperature sensor, supply air
40
Agnd UI reference neutral
41
2 UAI 1/(UDI 1)
Pressure transmitter extract air
42 2
UAI 2/(UDI 2)
Pressure transmitter supply air
44
UAI 3/(UDI 3) Frost protection sensor water heating
battery Use terminal 40 as reference
4 3
DI ref Extended running/Fire alarm reference
+ 24V DC
P1:50/P2:60
B
Exo-line B Modbus, Exo-line connection
P:151/P2:61
A Exo-line A Modbus, Exo-line connection
P1:52/P2:62
N
Exo-line N Modbus, Exo-line connection
74
3
DI 4
Extended running Normally open contact
Use terminal 4 as reference
75 3 DI 5
Fire alarm Normally open contact
Use terminal 4 as reference
76
3
DI 6 External stop Normally open contact
Use terminal 4 as reference
90 Agnd AO Reference neutral
93 AO 3
Control signal valve actuator, Water Heating
0–10V DC
94 AO 4 Control signal valve actuator, Cooling 0–10V DC
1 Maximum current load for all DO combined: 8A
2 Connection to external pressure sensor in case of pressure controlled unit (VAV)
3 These inputs may only be wired to voltage free contacts
151785 | A002