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BPC CX Operating And Commissioning Instruction

Power factor control relay
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Operating and Commissioning Instruction for
Power Factor Control Relay Type CX & CXM
COMBI FILTER DETAILS OPTION "K"
With Multi - Meter
BODDINGTONS
P o w e r C o n t r o l s
LED Indication
Calling for Capacitor
steps out
BPC
Common Point and Volt free Switching
CXM
LED Indication
Scroll Buttons
Calling for Capacitor
steps in
Boddingtons P wer Controls
UNIT 1, ZONE D CHELMSFORD ROAD INDUSTRIAL ESTATE, GREAT DUNMOW, ESSEX CM6 1XG, UK
Website: www.boddingtonspowercontrols.co.uk
Fan Control
DIP switch
(see p6)
LED Indication
Calling for Capacitor
steps out
Tel: +44 (0) 1371 876543 Fax: +44 (0) 1371 875460
Page 2
Page 2-4
Page 4-5
Page 6
Page 6
Page 6
Page 6
Page 7
Page 7
Page 8
CX
Function Switch
Email: info@boddingtonspowercontrols.co.uk
LED Indication
Calling for Capacitor
steps in

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Summary of Contents for BPC CX

  • Page 1 Operating and Commissioning Instruction for Power Factor Control Relay Type CX & CXM Common Point and Volt free Switching INSTALLATION Page 2 FUNCTION SWITCH CONTROL POSITIONS Page 2-4 COMMISSIONING Page 4-5 ALARM FUNCTIONS Page 6 DATA TRANSMISSION Page 6 FAN CONTROL TEMP. SENSOR OPTION...
  • Page 2 CT outputs of 1A or 5A Class 1 are fed into the two orange terminals marked K-L. When using the CXM multi-meter version the max. CT ratio is 20000/5 or 4000/1. Note that the CX and CXM relays are sensitive down to a current of 0.010 A (10 mA) reactive.
  • Page 3 If the selected defective threshold level in pos. 0, is exceeded due to a failed capacitor or blown fuses, the CX or CXM eliminates this step from the control procedure and alarm "AL", appears in the display. The "L" and "F" values for each step can be scrolled through with + or – button, and this is a good check to do on regular capacitor bank maintenance.
  • Page 4 Factory setting = 30 secs ( "L_30") D Selection of C.T.Ratio . This is only applicable for CXM relays. Please see the section of these instructions “CXM Multi-Meter version” On the CX relay the display will be non-operative in this position and will show "_not"...
  • Page 5 Check preset step limitation and adjust if necessary to the number of steps in circuit. If any one step is not functioning for any reason, the CX or CXM will try to switch three times to ensure that there is no detectable Output, and it will then lock out this step for a period of 24 hours at least.
  • Page 6 To store the data on a PC , a data cable with integrated converter TTL/RS232 is required. (data Cable No.8 length 200mm). As an alternative to having PC on site, the data output from the CX relay can be fed into our Data Logger available as follows: DS 21 –...
  • Page 7 Regulators with this option are fitted with a modified facia with two keys + and - which replace the push buttons behind the name plate on the CX type. This option necessitates the setting of a CT and VT ratio in order to provide the correct indication in the LED display.
  • Page 8 L1 - N connection ONLY used when relay is specified for single phase supply in which case the connections L2 - L3 are not made Connecting Diagram - Volt Free Switching Type CX-A Normal Voltage Connection is L2 - L3 415V +- 10% unless otrhewrwise specified on the order.

This manual is also suitable for:

Cxm

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