TOPVEX FC INSTALLATION INSTRUCTION 125917 CE A006

18
| Installation
Connections to external functions cont'd
TTeerrmmiinnaall
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DDeessccrriippttiioonn
RReemmaarrkk
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 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
,
3
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
4
DI ref External function reference
+ 24V DC
50/60
B
Exo-line B Modbus, Exo-line connection
51/61
A
Exo-line A Modbus, Exo-line connection
52/62
N
Exo-line N Modbus, Exo-line connection
74
4
DI 4
Extended running Normally open contact
Use terminal 4 as reference
75
4
DI 5
Fire alarm Normally open contact
Use terminal 4 as reference
76
4
DI 6
External stop Normally open contact
Use terminal 4 as reference
90
Agnd AO Reference neutral
93 AO 3
Control signal, Heating
0–10V DC
94 AO 4
Control signal, 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. Connection to internal pressure sensor in case of constant air volume controlled unit (CAV)
4. These inputs may only be wired to voltage free contacts
125917 | A006