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Varifan CPS-2M, User Manual

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Varifan CPS-2M User Manual Download Page 8

        

Page 8                  

   CPS-2M 

Once the CPS-2M is in place, use a screwdriver to remove 
the six screws holding the faceplate to the housing. 

 

2.3 SWITCH SETTING 

The CPS-2M is configured for a variety of options via two 
switches: the line voltage selector switch, and the software 
settings DIP switch. These switches are described in the 
following two sections. 

 
2.3.1 - Line Voltage Selector Switch 

This switch is located on the surface of the main (bottom) 
board and adapts the CPS-2M for 115 VAC or 230 VAC 
line voltage. The  manufacturer set the switch to 230 VAC. 
If you wish to use it on 115 VAC you have to select to 115 
VAC before turning on the power  
 
 

 
 

Refer to figures 1 through 2.  

 

2.3.2 - Software Settings DIP Switch 

This switch is located at the rear of the CPS-2M faceplate 

and adjusts the following options. 
 
 

1 
2 
3 
4 

 

 
Switch 1

        Fahrenheit or Celsius display on the CPS-

                          2M 

Switch 2 

       Locks or unlocks your settings. All settings 

                          except for main set point, record low, and 
                          record  high  are  locked  while  this  switch  is 
                          off. 

Switch 3 

        Increases static pressure sensitivity with DIP 

                          switch  set  to  OFF.  (The  static  pressure 
                          reading will react faster with High         
                          sensitivity). 

Switch 4

         Static pressure mode or temperature mode. 

 

230V 

115V 

OFF 

ON 

Fahrenheit 
Settings locked 
High static pressure sensitivity 
Temperature mode 

Celsius 
Setting unlocked 
Normal static pressure sensitivity 
Pressure mode 

OFF          ON 

www.monitrol.com

Summary of Contents for CPS-2M

Page 1: ...ible Varifan CPS 2M LO LO D E L A Y D IFF DIF F D E L A Y D E L A Y D E L A Y OPEN OPEN CLOSE CLOSE ADJUST 2 1 HI HI F2 ALARM ALARM ALARM A L ARM temperature static pressure 1 2 OPN CLO OPN CLO USER S MANUAL www monitrol com ...

Page 2: ...uipment For added security against line voltage surges it is recommended that surge and noise suppression devices be installed at the electrical distribution panel Use of shielded cable for probes is recommended for protection against lightning These devices are available from most electrical supply distributors RECOMMENDATIONS The manufacturer recommends that all installation procedures described...

Page 3: ...rature Averaging 10 2 5 3 Static Pressure Sensor 10 2 6 Alarm 11 2 7 Powering Up 11 CHAPTER 3 USER GUIDE LED Status Window 15 Control Dials 15 PRIMARY FUNCTIONS Stage 2 ambient temperature pressure display 17 Stage 2 main set point temperature pressure 18 Stage 2 open run timer 19 Stage 2 close run timer 20 Stage 2 record high temperature pressure 21 Stage 2 record low temperature pressure 22 Stag...

Page 4: ...2 high temperature pressure alarm 32 Stage 2 low temperature pressure alarm 33 Stage 1 low temperature pressure alarm 34 Stage 1 high temperature pressure alarm 35 Stage 1 close delay timer 36 Stage 1 open delay timer 37 Stage 1 differential 38 APPENDIX Troubleshooting 40 Specifications 41 Record Form 42 www monitrol com ...

Page 5: ...turn control the building s air inlet baffle boards or air inlet curtains The CPS 2M can either use temperature with temperature probe 2004 1k or for greater accuracy static pressure with static pressure probe model SPS 1 as a means to control the opening of air inlet baffle curtains The CPS 2M provides you with full control over its two stages via the use of an easy to follow display panel All pr...

Page 6: ...essure ROOM TEMPERATURE PRESSURE The actual temperature pressure of the room also called ambient temperature in the text AIR INLET BAFFLE BOARD AIR INLET CURTAIN A device which regulates air flow into a building by controlling the opening or closing of an air passage www monitrol com ...

Page 7: ...the control housing The manufacturer recommends that the installation instructions which follow be adhered to as closely as possible and all work be performed by a certified electrician Failure to do so may void the warranty To limit the unit s exposure to noxious gases install the unit in a hallway Make certain that the unit is mounted right side up with the cable entry holes facing down The CPS ...

Page 8: ...ect to 115 VAC before turning on the power Refer to figures 1 through 2 2 3 2 Software Settings DIP Switch This switch is located at the rear of the CPS 2M faceplate and adjusts the following options 1 2 3 4 Switch 1 Fahrenheit or Celsius display on the CPS 2M Switch 2 Locks or unlocks your settings All settings except for main set point record low and record high are locked while this switch is o...

Page 9: ...ain One dry contact is used to operate the motor winding which reduces the air opening and one dry contact is used to operate the motor winding which increases the air opening The current rating of these dry contacts are 6 Amps inductive Refer to figure 1 and 2 2 4 3 Stage two actuator motor Stage 2 provides two dry contacts which control a linear actuator motor used to operate an air inlet baffle...

Page 10: ...ature probes are required if temperature averaging is desired in larger rooms Place the probes in locations that best reflect the ambient temperature Refer to Figure 4 2 5 3 2 Static Pressure Sensor To properly position a SPS 1 static pressure sensor inside the building refer to the installation manual supplied with the unit Important disconnect temperature probe when the static pressure sensor is...

Page 11: ...up the CPS 2M attach the faceplate to the casing of the CPS 2M using the four screws previously removed Set Selector knob to position 12 Upon power up the unit will test its display by briefly lighting all the segments of its LED Make certain that all segments light Following the LED display test the unit displays the ambient temperature or pressure of the room If the temperature or pressure is no...

Page 12: ...Page 12 CPS 2M Fig 1a Two actuators connected on the same output Fig 1 Two Actuator Motors 230V www monitrol com ...

Page 13: ...Page 13 CHAPTER 2 INSTALLATION Fig 2 Temperature Probe and Static Pressure Sensor OR Fig 3 Temperature Averaging Probe Connection www monitrol com ...

Page 14: ...Page 14 CPS 2M SHLD IN1 IN2 IN3 GNA PWR 1057 Fig 5 Main Board Terminal Blocks Switch and Jumpers Figure 6 Wiring diagram for a three phase motor www monitrol com ...

Page 15: ...erating A fifth LED is an alarm indicator Control Dials The center dial is the Selector dial and is used to select one of the CPS 2M 12 primary or 10 secondary functions The dial located to the right of the Selector dial is the Adjustor dial and is used to adjust the setting of each func tion or to enter secondary function mode The 12 primary functions are 1 Stage 2 ambient temperature pressure di...

Page 16: ...ssure levels The 10 secondary functions are 2 Stage 2 differential 3 Stage 2 open delay timer 4 Stage 2 close delay timer 5 Stage 2 High temperature pressure alarm 6 Stage 2 Low temperature pressure alarm 7 Stage 1 Low temperature pressure alarm 8 Stage 1 High temperature pressure alarm 9 Stage 1 close delay timer 10 Stage 1 open delay timer 11 Stage 1 differential Select any one of these secondar...

Page 17: ...2 0 F Lo is displayed If the temperature is higher than 111 F Hi is displayed If a static pressure probe is installed the static pressure is displayed to the nearest 0 01 H2O from a minimum display of 0 20 H2O to a maximum display of 0 20 H2O If the pressure is lower than 0 20 H2O Lo is displayed If the temperature is higher than 0 20 H2O Hi is displayed Viewing the ambient temperature pressure ro...

Page 18: ...l in the building The main set point pressure level is adjusted in 0 01 H2O increments from a minimum setting of OPN 0 0 H2O to a maximum setting of 0 14 H2O and CLO Adjusting the main set point temperature pressure level rotate the Selector dial to position 2 rotate the Adjustor dial counterclockwise to decrease the setting and clockwise to increase it The main set point temperature pressure leve...

Page 19: ...econds Adjusting the open run timer rotate the Selector dial to position 3 rotate the Adjustor dial counterclockwise to decrease the setting and clockwise to increase it The open run timer setting is displayed on the CPS 2M OPEN Example The open run timer is set to 30 seconds When the control determines that the air inlet must open the com mand to the motor is sent after the delay set by secondary...

Page 20: ... 1 minute 59 seconds Adjusting the close run timer rotate the Selector dial to position 4 rotate the Adjustor dial counterclockwise to decrease the setting and clockwise to increase it The close run timer setting is displayed on the CPS 2M CLOSE Example The close run timer is set to 30 seconds When the control determines that the air inlet must close the com mand to the motor is sent after the del...

Page 21: ... is recorded Hi is displayed When a pressure probe is installed the record high pressure is displayed in 0 01 H2O increments from a minimum display of 0 20 H2O to a maximum display of 0 20 H2O If a pressure level higher than 0 20 H2O is recorded Hi is displayed Displaying the highest temperature pressure recorded rotate the Selector dial to position 5 Clearing the high temperature pressure value q...

Page 22: ... lower than 42 0 F is recorded Lo is displayed When a pressure probe is installed the record low pressure is displayed in 0 01 H2O increments from a minimum display of 0 20 H2O to a maximum display of 0 20 H2O If a pressure level lower than 0 20 H2O is recorded Lo is displayed Viewing the lowest temperature pressure recorded rotate the Selector dial to position 6 Clearing the low temperature press...

Page 23: ...0 F is recorded Lo is displayed When a pressure probe is installed the record low pressure is displayed in 0 01 H2O increments from a minimum display of 0 20 H2O to a maximum display of 0 20 H2O If a pressure level lower than 0 20 H2O is recorded Lo is displayed Viewing the lowest temperature pressure recorded rotate the Selector dial to position 7 Clearing the low temperature pressure value quick...

Page 24: ...gher than 111 F is recorded Hi is displayed When a pressure probe is installed the record high pressure is displayed in 0 01 H2O increments from a minimum display of 0 20 H2O to a maximum display of 0 20 H2O If a pressure level higher than 0 20 H2O is recorded Hi is displayed Displaying the highest temperature pressure recorded rotate the Selector dial to position 8 Clearing the high temperature p...

Page 25: ...conds Adjusting the close run timer rotate the Selector dial to position 9 rotate the Adjustor dial counterclockwise to decrease the setting and clockwise to increase it The close run timer setting is displayed on the CPS 2M CLOSE Example The close run timer is set to 30 seconds When the control determines that the air inlet must close the com mand to the motor is sent after the delay set by secon...

Page 26: ... 1 minute 59 seconds Adjusting the open run timer rotate the Selector dial to position 10 rotate the Adjustor dial counterclockwise to decrease the setting and clockwise to increase it The open run timer setting is displayed on the CPS 2M OPEN Example The open run timer is set to 30 seconds When the control determines that the air inlet must open the com mand to the motor is sent after the delay s...

Page 27: ...g The main set point pressure level is adjusted in 0 01 H2O increments from a minimum setting of OPN 0 0 H2O to a maximum setting of 0 14 H2O and CLO Adjusting the main set point temperature pressure level rotate the Selector dial to position 11 rotate the Adjustor dial counterclockwise to decrease the setting and clockwise to increase it The main set point temperature pressure level is displayed ...

Page 28: ... is lower than 42 0 F Lo is displayed If the temperature is higher than 111 F Hi is displayed If a static pressure probe is installed the static pressure is displayed to the nearest 0 01 H2O from a minimum display of 0 20 H2O to a maximum display of 0 20 H2O If the pressure is lower than 0 20 H2O Lo is displayed If the temperature is higher than 0 20 H2O Hi is displayed Viewing the ambient tempera...

Page 29: ...ntial is adjusted in 0 5 degree increments from a minimum setting of 0 0 F 0 0 C to a maximum setting of 16 F 8 C degrees When a pressure probe is installed the differential is adjusted in 0 01 H2O increments from a minimum setting of 0 00 H2O to a maximum setting of 0 05 H2O Adjusting the differential setting rotate the Selector dial to position 12 rapidly rotate the Adjustor dial back and forth ...

Page 30: ...ting of 9 minutes 55 seconds Adjusting the open delay timer rotate the Selector dial to position 12 rapidly rotate the Adjustor dial back and forth to enter secondary function mode rotate the Selector dial to position 3 rotate the Adjustor dial counterclockwise to decrease the delay and clockwise to increase it The delay timer is displayed on the CPS 2M Delay Example The open delay timer is set to...

Page 31: ...es 55 seconds Adjusting the close delay timer rotate the Selector dial to position 12 rapidly rotate the Adjustor dial back and forth to enter secondary function mode rotate the Selector dial to position 4 rotate the Adjustor dial counterclockwise to decrease the delay and clockwise to increase it The delay timer is displayed on the CPS 2M Delay Example The close delay timer is set to 1 minute The...

Page 32: ...rements from a minimum setting of 0 0 F 0 0 C to a maximum setting of 30 0 F 18 0 C When a pressure probe is installed the high pressure alarm is adjusted in 0 01 H2O increments from a minimum setting of 0 0 H2O to a maximum setting of 0 10 H2O Adjusting the high temperature pressure alarm setting rotate the Selector dial to position 12 rapidly rotate the Adjustor dial back and forth to enter seco...

Page 33: ...tting of 30 0 F 18 0 C to a maximum setting of 0 0 F 0 0 C When a pressure probe is installed the low pressure alarm is adjusted in 0 01 H2O increments from a minimum setting of 0 10 H2O to a maximum setting of 0 00 H2O Adjusting the low temperature pressure alarm setting rotate the Selector dial to position 12 rapidly rotate the Adjustor dial back and forth to enter secondary function mode rotate...

Page 34: ...om a minimum setting of 30 0 F 18 0 C to a maximum setting of 0 0 F 0 0 C When a pressure probe is installed the low pressure alarm is adjusted in 0 01 H2O increments from a minimum setting of 0 10 H2O to a maximum setting of 0 00 H2O Adjusting the low temperature pressure alarm setting rotate the Selector dial to position 12 rapidly rotate the Adjustor dial back and forth to enter secondary funct...

Page 35: ...minimum setting of 0 0 F 0 0 C to a maximum setting of 30 0 F 18 0 C When a pressure probe is installed the high pressure alarm is adjusted in 0 01 H2O increments from a minimum setting of 0 0 H2O to a maximum setting of 0 10 H2O Adjusting the high temperature pressure alarm setting rotate the Selector dial to position 12 rapidly rotate the Adjustor dial back and forth to enter secondary function ...

Page 36: ...ting of 9 minutes 55 seconds Adjusting the close delay timer rotate the Selector dial to position 12 rapidly rotate the Adjustor dial back and forth to enter secondary function mode rotate the Selector dial to position 9 rotate the Adjustor dial counterclockwise to decrease the delay and clockwise to increase it The delay timer is displayed on the CPS 2M Delay Example The close delay timer is set ...

Page 37: ...s 55 seconds Adjusting the open delay timer rotate the Selector dial to position 12 rapidly rotate the Adjustor dial back and forth to enter secondary function mode rotate the Selector dial to position 10 rotate the Adjustor dial counterclockwise to decrease the delay and clockwise to increase it The delay timer is displayed on the CPS 2M Delay Example The open delay timer is set to 1 minute The a...

Page 38: ...he differential is adjusted in 0 5 degree increments from a minimum setting of 0 0 F 0 0 C to a maximum setting of 16 F 8 C degrees When a pressure probe is installed the differential is adjusted in 0 01 H2O increments from a minimum setting of 0 00 H2O to a maximum setting of 0 05 H2O Adjusting the differential setting rotate the Selector dial to position 12 rapidly rotate the Adjustor dial back ...

Page 39: ...Page 39 APPENDIX APPENDIX www monitrol com ...

Page 40: ...s above maximum Probe is short circuited Actuator motor is not operating Verify whether the appropriate stage LED is on yet the actuator motor is not operating Verify wiring and device Display is blank Verify that the line voltage selector switch is properly set Verify that the 10 pin flat cable between the main board and the faceplate board is properly connected TROUBLESHOOTING www monitrol com ...

Page 41: ...0 A max 115V 230V 1 2 HP 115V 1 HP 230V Min Rating 10mA at 115V 20mA at 230V ALARM dry relay contact 5 A 30V AC DC SPECIFICATIONS APPENDIX Storage temperature 4 F to 130 F 20 C to 55 C Operating temperature 32 F to 122 F 0 C to 50 C Weight 5 pounds 2 25 Kg Dimension 8 35 X4 60 X7 87 212mmX117mmX200mm The relay will not work correctly if the charge is smaller than the minimum charge required www mo...

Page 42: ... Differential 1 2 0 F 1 0 C 3 Open Delay Timer 1 4 Close Delay Timer 1 5 High Temp Pressure Alarm 1 20 0 F 12 0 C 6 Low Temp Pressure Alarm 1 9 0 F 5 0 C 7 Low Temp Pressure Alarm 2 9 0 F 5 0 C 8 High Temp Pressure Alarm 2 20 0 F 12 0 C 9 Close Delay Timer 2 10 Open Delay Timer 2 11 Differential 2 2 0 F 1 0 C 0 02 H2O 2 minutes 2 minutes 2 minutes 2 minutes Default Setting User Setting Option Dia ...

Page 43: ... lightning or any other natural disaster Any unauthorized work modification or repair on this product automatically voids the warranty and disclaims the manufacturer from all responsibility The manufacturer assumes only those obligations set forth herein excluding all other warranties or obligations This warranty stipulates that in all cases the manufacturer shall be liable only for the supply of ...

Page 44: ...MAV CPS 2M Ver 4 1 July 2001 2 wire DC actuator www monitrol com ...

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