TECH ST-408, Руководство пользователя, Страница: 25 / 28

Tech
The regulator is equipped with WT 1.6A tubular fuse cartridge,
protecting the network.
ATTENTION: The fuse of higher value should not be used. Assembling the
fuse with a higher value may cause damage to the controller.
V. Maintenance
In ST-408 controller, technical condition of wires should be checked
before the heating season and throughout its duration. Fastening of the
controller should be also checked, it should be cleaned from dust and other
dirt.
Technical data
CH valve temperature regulation range 10
o
C : 90
o
C
Floor valve temperature regulation range 10 o C : 55 o C
HUW tank temperature regulation range 1 o C : 80 o C
Power supply voltage 230V/50Hz +/- 10%
Power consumption max. 4W
Temperature endurance of the sensors -25 o C : 90 o C
Ambient temperature 5 o C : 50 o C
Load at each outlet 0,5A
Fuse insert 1,6A
! ATTENTION !
In the case of the lack of flow in short furnace circulation
(installation improperly mounted) the return sensor should be
placed at a warm water outlet from the furnace to prevent the
boiling of water.
VI. Mounting
TTENTION: Installation should be performed by a person with relevant
authorizations! At that time, the device cannot be live (make sure that
the plug is disconnected from the network)!
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