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5 - Installation
C
onnection to load management system (Load Manager Box)
The REACT system is provided with four relays (incorporated into a Load
Manager Box) to manage external loads.
The types of users that can be connected to the four relays are subdivided
into two types:
• TYPE 0 can be activated ON-OFF (e.g. Lights, heaters)
• TYPE 1: Switchable (e.g. Lights, Heaters, Heat Pumps, Boilers)
Connections to the Load Manager Box must be made on the two terminal
blocks on the lower part, respecting the corresponding terminals:
Terminal
Relay
1 and 2
A
3 and 4
B
5 and 6
C
7 and 8
D
The relays are not power components and must be used, for example, to control a power
relay installed outside the REACT system.
If the external device is connected directly to the relays, the following
characteristics must be respected:
Technical data
(for each relay)
Maximum Power
250W
Maximum voltage:
250Vac
Maximum current:
1A
Protection
Fuse (non-resettable)
For further details relating to the external load management system and the configurations
required for its operation, refer to the document “REACT -3.6/4.6-TL
EXTERNAL LOADS
MANAGEMENT – Load Manager Description
” available on website www.abb.com/
solarinverters.
LOAD MANAGER BOX
8
7
D
5
6
C
3
4
B
1
2
A
J1
5
1
6
2
7
3
8
4
3
4
1
2
5
6
7
8
RTN
+12V
A
TTL
TTL
TTL
TTL
B
C
D
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