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12
Description of cabling/modular contacts
1
2
Figure 12: Modular contacts, description
1. NTC Sensor
2. Ext switch
3. Door switch
4. SEC/NTC Sensor
5. RS485 control panels
6. RS485 control panels
7. RS485 control panels
8. RS485 control panels
9. Modular plug
10. Modular contact
Table 3: Connecting components in modular contacts (maximum cable area for RJ10: 0.90 mm/0.20 mm², AWG24)
Connection of
Temperature sensor (10K ohm)
External switch with no wire indicator 2
External switch with wire indication
Door contact without alarm for door
status
Door contact with alarm for door
status
Combined temperature cut-out/temperature sensor. Only used for certain heater models.
Temperature cut-out 130°
Temperature sensor (10K ohm)
NOTE! Crimp pliers, e.g. shortening wires,
are needed if changing modular cabling.
SELF-INSPECTION OF THE INSTALLATION
To inspect the installation:
1.
Switch on the main supply to the heater from the distribution
board.
2.
Check that the control panel lights up.
3.
Start the heater (see User Guide).
4.
Check that all three pipe elements start to heat up (turn red).
3
4
5
6
7
8
Position
Pin
1
2-3
3-4
2
2-3-4
3
3-4
3
2-3-4
4
1-4
4
2-3
9
Pin:
1
2
3
4
Comment
Must be an NTC model. May also be connected at Position 4.
Both constant or impulse deactivation work.
12VDC (maximum 40mA). Tylö external switch,
item number: 9090 8045.
Model NO (Normally Open). Tylö door contact,
item number:
9090 8035.
12VDC (maximum 40mA)
Must be an NTC model.
Please keep these instructions!
In the event of problems, please contact the retailer where you purchased
the equipment.
© This publication many not be reproduced, in part or in whole, without
the written permission of Tylö. Tylö reserves the right to make changes
to materials, construction and design.
Pin:
4
3
2
1
10
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