SystemAir Topvex SF Series, Installation Instructions Manual

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Installation |
11
4.4.3 External connections
Terminal block Description (GB) Remark
PE Ground
N N
Earthed neutral (supply voltage)
L1 L1
Phase (supply voltage) Used for phase 230V 1~ if the unit
has this mains power supply
400V 3~
L2 L2 Phase (supply voltage) 400V 3~
L3 L3
Phase (supply voltage)
400V 3~
1 G
Mains power supply (Water valve actuator)
24V AC
2 G0
Reference (Water valve actuator)
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
13 1 DO 3 Activate cooling
14 1 DO 4 Sum alarm 24 VAC
15 1 D0 5
Start external extract fan
24 VAC
30 AI ref Supply air sensor reference Neutral
31 AI 1 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 External function reference
+ 24V DC
50/60/B
B
Exo-line B Modbus, Exo-line connection
51/61/A
A
Exo-line A Modbus, Exo-line connection
52/62
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
91 AO 1
Control signal, water heating
0–10V DC
93 AO 3
Control signal, cooling
0–10V DC
94 A0 4
Control signal, external extract fan (optional)
chapter 4.4.5
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
130324 | A004