Malfunction (X29); External Request (X51); Cable Ducts On The Boiler; Install Emergency Off Switch - SOLARFOCUS ecotop zero Installation Manual

7.2.4 Malfunction (X29)

Potential-free relay output, for example, to switch a
warning device (optical/acoustic). Triggered in the
event of a malfunction on the boiler.
CAUTION – The connection is floating and
!
has a maximum load of 5 A.

7.2.5 External request (X51)

Input, i.e., the SOLARFOCUS boiler can be started
by an external control.
CAUTION–The connection must be potential-
!
free.

7.3 Cable ducts on the boiler

► Feed the cable through opening
► Fix on the cable ducts
Abb. 2-17

7.4 Install EMERGENCY OFF switch

Austria: Firing systems for which a boiler room is
required must be equipped with an EMERGENCY
OFF switch, which must not have an effect on the
room lighting. It must be situated immediately outside
the access door and labelled clearly and visibly. This
switch may also be located inside the boiler rooms,
immediately next to the access doors, but only if the
boiler rooms can be accessed from outdoors.
► Connect other components integrated in the
safety chain in series ("loop through")
Installation manual ecotop-zero, ecotop-light
1 into the boiler.
2 and 3.

7.5 Sensor resistance table

Type KTY 81-110 PT100 PT1000 KTY 81-210
Tolerance ± 3 %
°C Ohm
-20 684
-10 747
0 815
10 886
20 961
25 1000
30 1040
40 1122
50 1209
60 1299
70 1392
80 1490
100 1696
120 1915
140 2124
150 2211
160 -
170 -
180 -
190 -

7.6 Electrical fuses

DANGER - There is a risk of fatal electric
shocks when working on electrical
components of the system
– Work may be performed only by a qualified
electrician.
– Applicable standards and regulations must
be observed.
Position of the fuses on the boiler power unit
7 Electrical connection
± 0.7 % ± 1 % ± 3 %
Ohm Ohm Ohm
92.16 922 1367
96.09 961 1485
100 1000 1630
103.9 1039 1772
107.79 1078 1922
109.74 1097 2000
111.69 1117 2080
115.54 1155 2245
119.4 1194 2417
123.24 1232 2597
127.07 1271 2785
130.8 1309 2980
138.5 1385 3392
146.06 1461 3617
153.58 1536 4186
157.31 1573 4280
161.04 - -
164.76 - -
168.46 - -
172.16 - -
25