25
ENG
Electrical connection
WTS LARGE +0300131IT rel. 1.0 - 05.09.2022
7. ELECTRICAL CONNECTION
Caution:
Risk of electrical shock!
Hazardous electrical voltage.
All work related to electrical installation to be performed by expert staff (electricians or expert personnel with equivalent
training) only. Do not connect the reverse osmosis unit to the live power supply before all installation work has been
completed.
The customer is responsible for checking expert staff qualification.
General installation rules
• All local rules concerning the implementation of electrical installations must be obeyed.
• Electric connector cables to be laid professional.
Notice: Possible electronical components destruction through electrostatical discharge!
Prior to commencing electrical installation work, steps must be taken to guard the sensitive electronical components of
the unit control against damage from electrostatical discharge.
7.1 Procedure for electrical installation
Insert the plug into a suitable socket. The performance values are given in the technical data.
7.2 Remote ON/OFF and alarm relay connection
For connection of the remote ON/OFF signal cable and/or the alarm relay signal cables
»
open the front of the electronic control unit to access the terminal strip.
»
Lead the two-wire cable (not included in the scope of delivery) from the corresponding clamp through the
cable screw connection in the control panel to the consumers.
Fuses
CAREL recommends the use of main fuses with slow - to medium - load characteristic.
The reverse osmosis system should be operated by its own residual current circuit breaker.
7.3 Electrical installation check list
Check electrical installation with respect to customer-site requirements and local power supply regulations.
þ
Supply voltage in accordance with name plate voltage rating?
þ
Have all electrical cable and plug connections been properly tightened?
7.4 Connection of the level sensor of the permeate collection tank
If using the ROL unit with a storage tank + booster pump,
»
connect the high level signal to terminals 22 - 23, and the low level signal to terminals 33 - 34.
The high level signal can be enabled in the menu "5 HIGH LEVEL".
The low level signal can be enabled in the menu "4 LOW LEVEL".
The permeate pressure switch already sup- plied does not need to be disconnected, as this does not interfere with the
operating logic of the float.
2
NO C
3
4
NC
1
Fig. 7.a
1 level switch high
2 level switch low
3 alarm exits
4 contact ON / OFF
Summary of Contents for Large ROL 160-1K2
Page 2: ......
Page 6: ......
Page 43: ...43 ENG Control WTS LARGE 0300131IT rel 1 0 05 09 2022...
Page 59: ...59 ENG Spare parts WTS LARGE 0300131IT rel 1 0 05 09 2022 20 21 22 23 24 25 26 27 28 29 30...
Page 65: ...Notes...
Page 66: ...Notes...
Page 67: ......