SystemAir Topvex TR04 Installation Instructions

Installation |
17
Connections to external functions cont'd
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L1 L1
Phase (Main supply voltage)
Used for phase 230V 1~ if the
unit has this mains supply
400V 3~/230V 3~
L2 L2
Phase (Main supply voltage) 400V 3~/230V 3~
L3 L3
Phase (Main supply voltage) 400V 3~/230V 3~
1 G
Auxiliary supply (Pressure transmitter. Water
valve actuators)
24V AC
2 G0
Reference (Water valve actuator mains
supply)
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
124454 | A003

SystemAir Topvex TR04 Specifications

General

Brand	SystemAir
Model	Topvex TR04
Category	Air Handlers
Language	English