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Mechanical relay
0-10V/PWM output
Max. cable length:
Pt1000 sensor
Flow sensors
CAN
0-10V/PWM
Mechanical relay
Interface:
Fieldbus
Permissible Ambient Conditions:
for controller operation
for transport/storage
INSTALLING THE TEMPERATURE SENSORS
The controller operates with Pt1000 temperature sensors which are accurate to 1 °C, ensuring optimal control of system
functions.
b
If desired, the sensor cables can be extended to a maximum of 30 m using a cable with a cross-section of at least
0.75 mm². Ensure there is no contact resistance! Position the sensor precisely in the area to be measured! Only use
immersion, pipe-mounted or flat-mounted sensors suitable for the specific area of application with the appropriate
permissible temperature range.
b
Low-voltage cables such as temperature sensor cables must be routed separately from mains voltage cables. Feed
temperature sensor cables only into the left-hand side of the unit, and mains voltage cables only into the right-hand
side.
POSITIONNING OF S4 PROBE
They are supplied with S4 temperature probe (high puffer) already wired to the electrical panel, to be connected to the
puffer, as shown in fig. 6.
S5 PROBE POSITIONING (ONLY WITH DIVERTER KIT)
If BIG T-FAST ie is equipped with a diverter valve primary return kit, the S5 probe (low puffer) must be connected in sup-
plied and already wired to the electrical panel, in the lower part of the puffer, as shown in fig. 6.
Temperature resistance table for Pt1000 sensors
°C
-20
-10
Ω
922
961
b
The controller must only be installed, put into service, repaired and changed by trained and qualified technical
personnel.
b
Before the unit can be put into service, the controller must be fitted and default settings programmed by specialist
personnel as required by local and national legislation and standards and in accordance with the safety precautions
and instructions given in this manual.
b
Specialist personnel working on the controller must read this manual before proceeding.
b
The controller requires no special maintenance.
b
Read and understand all the precautions and instructions contained in this manual before operating the controller.
Take care to follow all the safety precautions. If in doubt, consult a specialist.
b
The product is not designed to be operated by children or persons with limited physical, psychological, sensorial or
mental capacities. If such persons are allowed to operate the product, they must be instructed and supervised by
a person responsible for their safety.
b
Make sure that children never play with the unit.
R1 - R4
460VA for AC1 / 460W for AC3
V1,V2 (0-10V/PWM) | V3,V4 (PWM), for 10 k Ω working resistance 1 kHz, level 10 V
< 10m
< 3m
<3m; at> = 3m, a shielded twisted pair cable must be used. Isolate
shielding and connect it to the protective conductor of only one of the devices.
< 3m
< 10m
CAN
0 °C - 40 °C, max. 85 % rel. humidity at 25 °C
0 °C - 60 °C, no moisture condensation permitted
0
10
20
30
1000
1039
1077
1116
5 - 100, 10 - 200
40
50
60
1155
1194
1232
19
70
80
90
100
1270
1308
1347
1385
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