
TECH
III.c) Temperature protection
In the case of damage of bimetallic sensor the regulator has
additional protection: after exceeding the 95°C temperature, the alarm is
turned on and it is signaled on the display:
III.d) The fuse
The regulator has cartridge fuse WT 1,6A which protects the grid.
IV. Maintenance of the controller.
Before heating season and in the time of his duration there should
be checked the technical status of the wires in the controller ST 26. The
fastening of the controller, cleaning up and dusting must be checked, too.
It must be done the measurement of effectiveness of motors’ earthing
(pump and blow)
L.p.
Specification
Unit
1
Power supply
V
230V/50Hz +/-10%
2
Power consumption
W
2
3
Surroundings temperature
O
C
0
÷5
0
4
Output load of circulating pump
A
1
5
Temperature measuring range
O
C
0
÷99
6
Measuring accuracy
O
C
1
7
Temperature setting range
O
C
45÷80
8
Temperature strength of sensor
O
C
-
25÷100
- 9 -
A L A R M
temp too high
Summary of Contents for ST-26
Page 1: ...ST 26 Manual Guide...