Electrical installation
Installation instructions geoTHERM 0020051574_04 53
7
7.3.6 Connecting the limit thermostat
(unblocked mains supply)
L3 L2 L1NPEL3 L2 L1NPE 1 2 N PELNPE
SS
LNPEN L3
PE L2 L1L3N
T
1
2
7.12 Connecting limit thermostats VWS
L3 L2 L1NPEL3 L2 L1NPE L3 L2 L1N PELNPEN LNPEL3
PE L2 L1L3N
T
1
2
7.13 Connecting limit thermostats VWW
Key
T
Limit thermostat
A limit thermostat (on-site) can be connected as additional
floor protection.
If there is a lock-out due to the limit thermostats, the con-
troller displays the error message 91 (¬Ch.11.5).
> Remove the bypass pipework (dashed line) (2).
> Connect a limit thermostat to the terminals (1).
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