SALUS Thermostat RT520 User Manual
2.5 Connection description
I A - Boiler connection
RT520
RT520
NC
COM
NO
3V
2 x AA
3V
2 x AA
A
B
(ON / OFF)
OpenTherm
I B - Pump / Valve connection
AC 230V
L
RT520
NC
COM
NO
3V
2 x AA
lub
MAX
3 (1) A
N
I C - KL08NSB underfloor heating wiring center connection
Eg.
RT520
Eg.
RT520
Eg.
RT520
COM NO
COM NO
COM NO
KL08NSB
L
N
SL
L
N
SL
L
N
SL
or
lub
1 - 8 Zones
1 - 8 Zones
1 - 8 Zones
Power
Pump
Boiler
BOILER CONNECTION*
L
N
L
N
L
N
L
N
1
2
3
4
max 6
per zone
max 6
per zone
max 6
per zone
T30NC
T30NC
T30NC
AC 230V
L
N
Legend:
Symbols explanation:
Boiler - Boiler connection*
- Boiler’s contacts for ON/OFF
thermostat (according to the
boiler’s instructions)
L, N - power supply 230V
NO, COM, NC - voltage-free output
A, B - OpenTherm Communication Wire
SL - 230V AC voltage output
- NSB function
Pump
Valve
M
- fuse
8
| General | Details |
|---|---|
| Name | SALUS Thermostat RT520 User Manual |
| Make | SALUS |
| Language | English |
| Filetype | PDF (Download) |
| File size | 1.76 MB |
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