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Operating and Maintenance Instructions  

210-OMI13277_Iss1.doc    

ORIGINAL INSTRUCTIONS 

Page 1 of 15 

 

 

© ebm-papst UK Ltd, 2012 

 

Chelmsford Business Park  Chelmsford  Essex  CM2 5EZ

  

Telephone: +44(0)1245468555  Fax: +44(0)1245466336  
e-mail 

[email protected]

  

 
         CN1090                                 

 

 
 

 
Table of Contents 

Introduction .............................................................................................................................................................. 2

 

Specification ............................................................................................................................................................ 2

 

Connection Details (see “

Terminal Block Use

” below”) ........................................................................................... 2

 

Fan Compatibility ..................................................................................................................................................... 3

 

Mechanical Outline .................................................................................................................................................. 3

 

Safety ...................................................................................................................................................................... 3

 

EMC Compliance..................................................................................................................................................... 3

 

ESD ......................................................................................................................................................................... 3

 

Installation ............................................................................................................................................................... 4

 

Proportional Band Control, Operation ..................................................................................................................... 5

 

Proportional Band Control, Commissioning ............................................................................................................. 7

 

Constant Pressure Control, Operation .................................................................................................................... 9

 

Constant Pressure Control, Commissioning ............................................................................................................ 9

 

Controller Operation, General: Run Enable Inputs, LED’s, Relays, Power-up Check ........................................... 12

 

Fan Run Control: ............................................................................................................................................... 12

 

Fan Monitor: ...................................................................................................................................................... 12

 

Alarm Relay:...................................................................................................................................................... 12

 

Fan Run Relay: ................................................................................................................................................. 12

 

Fan Maximum Speed Relay (Change-over contacts): ...................................................................................... 12

 

Power-up Check................................................................................................................................................ 12

 

Maintenance and Servicing ................................................................................................................................... 12

 

Use of ebm-papst RM-ECv Controller for local manual control ............................................................................. 12

 

Terminal Block Use ............................................................................................................................................... 13

 

PCB Component Location and Live / SELV Circuit ............................................................................................... 14

 

Declaration of Conformity ...................................................................................................................................... 15

 

 

The most recent version of this document may be downloaded at: 

www.ebmpapst.co.uk/instructions

 

Part No 

CN1090 

Description 

Demand Ventilation Controller  (Proportional Control or Constant Pressure)

 

 

Issue 

Date 

Bug no 

Comments 

G draft 

17 Jan 2013 

1401 

Identify Live and SELV parts of circuit 

5 Feb 2013 

1401 

First numeric Issue, added CE cert page 1 

Summary of Contents for CN1090

Page 1: ...re Control Commissioning 9 Controller Operation General Run Enable Inputs LED s Relays Power up Check 12 Fan Run Control 12 Fan Monitor 12 Alarm Relay 12 Fan Run Relay 12 Fan Maximum Speed Relay Change over contacts 12 Power up Check 12 Maintenance and Servicing 12 Use of ebm papst RM ECv Controller for local manual control 12 Terminal Block Use 13 PCB Component Location and Live SELV Circuit 14 D...

Page 2: ... Supply Current A 0 05 Amps plus Fan load if wired via PCB 13A max Alarm Relays Contact rating 100mA max 60VDC max 0 10V Inputs 100kOhm impedance minimum PWM frequency 2kHz Operating Environment 30 to 60C IP66 Enclosure Connection Details see Terminal Block Use below Mains Connector J1 Pin Function SL1 1 Switched Live 1 Fan Speed Set point select input SL2 2 Switched Live 2 Stop Run control input ...

Page 3: ...an2 Run and Alarm indicated by PCB silk screen legend LED En Run Enable and LED B Fast indicated by PCB silk screen legend Trimmer Identification Trimmer indicated by PCB silk screen legend R1 R2 R3 and R4 IP Rating IP66 with Enclosure Cable Glands Not included Enclosure supplied has knock outs to suit 16mm or 20mm glands Safety Installation must be by qualified personnel in accordance with local ...

Page 4: ...gulated Output 25mA max J3 pin 9 if required Constant Pressure Control Connect pressure sensor to 0 10V Input Sensor One J3 pin 3 and 0V J3 pin 6 plus 24VDC Unregulated Output 25mA max J3 pin 9 if required If used connect External Pressure Set point 0 10V to 0 10V Input Sensor Two External Pressure Set point 0 10V input J3 pin 5 and 0V J3 pin 8 Fans Connect fan supply speed control and tachometer ...

Page 5: ...an speed demand levels Select inputs can be used to force the Fan Speed to Minimum Maximum or set to the Proportional Band Demand Speed The Variable Resistors and rotary DIP switches configure the operation as shown below Example Proportional Band Control Profile Sensor 1 0 1 2 3 4 5 6 7 8 9 10V Example Proportional Band Control Profile Sensor 2 0 1 2 3 4 5 6 7 8 9 10V Max speed Rotary Switch S3 S...

Page 6: ...missioning see table below 6 SL1 selects Sensor Demand Fan Speed SL1 selects Maximum Fan Speed S3 setting DIP Switch 1 Position Proportional Band Control Commissioning 5 6 PWM Outputs Indicator LED ON Off Fan 1 Speed Control PWM Output R1 Setting Fan 2 Speed Control PWM Output R2 Setting NTC1 Red LED Pulse ON ON Fan 1 Speed Control PWM Output R3 Setting Fan 2 Speed Control PWM Output R4 Setting NT...

Page 7: ...connect Sensor 2 set points to the controller Fan Speed outputs NTC2 Red LED pulses 11 Connect a Voltmeter to Fan 1 Speed Control PWM Output J2 pin 3 12 Adjust R3 for a voltmeter reading equal to the Sensor 2 Bottom of proportional control band voltage 13 Move the Voltmeter to Fan 2 Speed Control PWM Output J2 pin 6 14 Adjust R4 for a voltmeter reading equal to the Sensor 2 Top of proportional con...

Page 8: ...ntrol Fan Minimum and Maximum speeds Adjust Rotary DIP Switch S2 to set the fan Minimum speed control voltage Adjust Rotary DIP Switch S3 to set the fan Maximum speed control voltage See table below Rotary DIP Switch Position Fan Speed Voltage 0 0 1 2 0 2 2 6 3 3 1 4 3 7 5 4 2 6 4 8 7 5 3 8 5 9 9 6 4 A 7 0 B 7 5 C 8 1 D 8 6 E 9 2 F 10 0 To invert Speed Control Output Heating Profile make S2 settin...

Page 9: ...ect input use Refer to the datasheet for the pressure sensor used to determine the sensor output voltage at the required pressure set point then adjust rotary switch S3 to select the value closest to the required point see table below BMS External Potentiometer Set point if used See table for select input use If selected the Set point voltage will be the voltage present on 0 10V Input 2 min max no...

Page 10: ...0V Linked to 0V SL1 Switched Live Input 1 J1 pin 1 Open Linked to 230VAC and DIP SW 6 OFF Linked to 230VAC and DIP SW 6 ON Volt Free Select Input 1 J2 pin 9 Open Linked to 0V Volt Free Select Input 2 J2 pin 13 Open Open Open Linked to 0V In the above table indicates Input state ignored DIP Switch 1 Position Constant Pressure Control operation OFF ON 5 Normal Cooling Profile Invert Speed Control Ou...

Page 11: ...6 e mail sales uk ebmpapst com CN1090 Constant Pressure Control Low and High Set points Adjust Rotary DIP Switch S2 to set the Low Single Pressure Set point voltage Adjust Rotary DIP Switch S3 to set the High Second Pressure Set point voltage See table below Rotary DIP Switch S2 S3 Position Pressure Set point Voltage 0 0 6 1 1 2 2 1 9 3 2 5 4 3 1 5 3 7 6 4 3 7 5 0 8 5 6 9 6 2 A 6 8 B 7 4 C 8 1 D 8...

Page 12: ...y Energised fan below maximum speed setting Relay De energised fan at maximum speed setting may indicate Filter Block on a filtered system Power up Check At power up all LED s will illuminate and Relays energise for a few seconds The fan run will be checked unless Fan Stop is selected Maintenance and Servicing The PCB has no replaceable parts if a fault develops return the PCB to the manufacturer ...

Page 13: ...ed as follows Insert a 2 5mm or 3mm flat blade screwdriver fully into the upper hole as shown to open the terminal wire entry Insert the wire into the lower hole then remove the screwdriver to leave the wire clamped in the terminal Alternatively open the wire entry by inserting the screwdriver fully from the opposite side of the connector as shown Insert the wire into the lower hole then remove th...

Page 14: ...mail sales uk ebmpapst com CN1090 PCB Component Location and Live SELV Circuit Key PCB components are shown below J1 Pin1 High Speed Run Enabled S1 S2 S3 LED B LED En Live Circuit SELV Circuit R1 R2 R3 R4 NTC1 NTC2 LED LED R1 R2 R3 R4 Proportional Band TEST TEST TEST TEST Commissioning POINT POINT POINT POINT Fan1 Run Fan2 Run J3 Pin1 LED LED Fan1 Alarm Fan2 Alarm J2 Pin1 LED LED Rotary DIP Switch...

Page 15: ...3277_Iss1 doc ORIGINAL INSTRUCTIONS Page 15 of 15 ebm papst UK Ltd 2012 Chelmsford Business Park Chelmsford Essex CM2 5EZ Telephone 44 0 1245468555 Fax 44 0 1245466336 e mail sales uk ebmpapst com CN1090 Declaration of Conformity 13 02 2013 15 08 58 ...

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