Varifan ECS-2M User Manual Download Page 25 | Manualshive

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This function sets the minimum speed of Fan 1 when
room temperature is below the main set point. This
value is entered as a percentage of fan maximum
speed. The Fan 1 minimum speed is adjusted in 2%
increments from a minimum setting of 12% to a
maximum setting of 100%.

Adjusting the minimum speed of Fan 1:

•

rotate the Selector dial to position (3),

•

rotate the Adjustor dial counterclockwise to decrease

fan speed, clockwise to increase it.

The minimum fan speed is displayed on the ECS.

NOTE: Upon start-up, Fan 1 will run at
its maximum speed for 4 seconds.

This feature helps Fan 1 to reach its
set speed as quickly as possible.

CHAPTER 3 - USER’S GUIDE

FAN 1 MIN SPEED

3

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Summary of Contents for ECS-2M

Page 1: ...ages computer compatible Varifan ECS 2M ADJUST MIN SPEED TIMER on off DIFF F2 rel reduc per day LO HI 6 5 1 2 3 4 10 11 1 2 7 8 9 12 RH RH M O T O R H U M I D I T Y MA X SP E E D D I FF L I M IT A L A R M A L A RM F A N 1 H E AT F A N 2 www monitrol com ...

Page 2: ...this equipment 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 de...

Page 3: ...Power 11 2 4 1 1 115 VAC 11 2 4 1 2 230 VAC 12 2 4 2 Fan 1 12 2 4 4 Fan 2 Heater 12 2 5 Temperature Humidity Probes 12 2 5 1 Single Temperature Probe 13 2 5 2 Averaging 13 2 5 3 Humidity Probe 13 2 6 Alarm 13 2 7 Powering Up 14 CHAPTER 3 USER S GUIDE LED Status Window 21 Control Dials 21 PRIMARY FUNCTIONS Main Set Point Temperature 23 Fan 1 Modulation Band 24 Fan 1 Minimum Speed 25 Fan 1 Duty Cycl...

Page 4: ...NDARY FUNCTIONS Relative Humidity Set Point 32 Fan 1 Motor 33 Fan 1 Minimum Humidity Speed 34 Fan 1 Period 35 Heater Fan 2 Hysteresis 36 Minimum Ramping 37 Low Temperature Alarm 38 High Temperature Alarm 39 Relative Humidity Display 40 APPENDIX Motor Compatibility Table 43 Troubleshooting 44 Specification 45 Record Form 46 www monitrol com ...

Page 5: ...controls such as Compatible with DIP 1 Hi Lo temperature indication Automatic temperature reduction ramping Adaptable variable speed outputs for a wide selection of fan model types Humidity probe Full torque fan start preventing motor damage The ECS 2M provides microprocessor control over a two stage output The first stage controls a variable speed fan which can operate at a continuous low speed t...

Page 6: ...l of climate and timely alarm notification should environmental conditions exceed alarm set points Further security may be obtained by connecting all ECS series controls in a network configuration to a computer via the use of an optional RCM 40 remote monitoring unit This provides remote control monitoring of each room All control panel variable outputs are fused and all programmable settings are ...

Page 7: ...s ROOM TEMPERATURE The actual temperature of a closed area ROOM HUMIDITY The actual humidity level of a closed area MINIMUM FAN SPEED The desired minimum speed for variable speed fans RAMPING An automatic daily reduction in the main set point and all temperature settings relative to this HYSTERESIS Range of temperature where two conditions are possible The output depends on whether the temperature...

Page 8: ...Page 8 ECS 2M www monitrol com ...

Page 9: ...probe model number 2004 1K 2 Cable fasteners or fuses 1 User manual The following optional items may be added 3 additional temperature probes for temperature averaging 1 humidity probe The ECS 2M requires the RHT 1 humidity probe for maximum accuracy of monitoring and control of humidity levels The manufacturer recommends that the following installation instructions be adhered to as closely as pos...

Page 10: ...witches as follows 2 3 1 Line Voltage Selector Switch This switch is located on the surface of the main bottom board and adapts the control panel for 115 VAC or 230 VAC line voltage Refer to Figures 1 2 and 3 To limit the unit s exposure to noxious gases install it in a hallway Make sure the unit is mounted right side up with the cable entry holes facing down The ECS 2M will operate in a temperatu...

Page 11: ...P switch 4 must be ON 2 4 CONNECTION PROCEDURE For the connection procedures which follow refer to Figures 1 to 3 2 4 1 Input power Use a screwdriver to remove cable knock outs for the installation of cabling to the control panel 2 4 1 1 115 VAC Make sure that the line voltage selector switch is set to 115 VAC Connect the power cable to terminals 5 and 6 on the main bottom board connect the ground...

Page 12: ...on of a second fixed speed fan or a heater This contact closure is voltage rated to 230 VAC The current rating of the dry contact is 10 Amps resistive for a heater and 6 Amps inductive for a fan Set the software settings DIP switch behind of the control panel faceplate to ON for a fan or OFF for a heater Connect the heater or Fan 2 to terminals 1 and 2 on the main bottom board 2 5 TEMPERATURE HUMI...

Page 13: ...the humidity probe to the control panel terminals labeled Probe as indicated in Figure 4 2 6 ALARM The ECS 2M provides a normally open and normally closed dry contact for alarming low or high temperature conditions In addition this same contact can be used to signal a power failure This contact may be connected to an alarm system or directly to a siren and or auto dialer Make normally open or norm...

Page 14: ...on 12 Upon power up the unit will test it s display by briefly lighting all the segments of its LED Make sure that all segments light up Following the LED display test the unit displays the actual temperature of the room If temperature is not displayed refer to the Trouble Shooting section in the appendix of this document Fig 1 One Fan 115V and One Heating Unit 115V www monitrol com ...

Page 15: ...Page 15 Fig 2 Two Fans 230V Fig 3 One Fan 230V and One Heating Unit 115V CHAPTER 2 INSTALLATION www monitrol com ...

Page 16: ...vices in case of overload Only use fans that have thermal protection devices Terminals 4 and 5 are internally connected Connect the grounding wire to the ground terminal 7 Should be on a different circuit from the ECS 1 2 4 3 Fig 4 Probes and Alarm Wiring 5 www monitrol com ...

Page 17: ...Page 17 Fig 5 Temperature Averaging Probe Connection Fig 6 Main Board Terminal Blocks Switches Fuses and Ground CHAPTER 2 INSTALLATION www monitrol com ...

Page 18: ...e T15 WD set value Therefore the T15 WD should be accessible for adjustment and should be set at the same temperature as the alarm i e approximately 5ºF above the fan relative set point BACKUP POWER SOURCE The DPDT relay connects to source 1 in normal operation but will switch to source 2 if source 1 is off The relay shall be chosen to support the load connect to it ALARM CIRCUIT In regular circum...

Page 19: ...Page 19 Fig 7 Recommended control backup CHAPTER 2 INSTALLATION www monitrol com ...

Page 20: ...displays the operational status of Fans 1 and Fan 2 or a heater via three additional LEDS shown above in LED window When illuminated each LED indicates that its associated fan or heater is operating The rightmost LED lights to indicate a low or high temperature alarm condition CONTROL DIALS The center dial is the Selector dial and is used to select one of the control panel s 9 primary or 9 seconda...

Page 21: ...Page 21 CHAPTER 3 USER S GUIDE www monitrol com ...

Page 22: ...2 displays room temperature The 9 secondary functions are 1 Relative humidity set point 2 Fan 1 motor compatibility 3 Fan 1 minimum speed setting for humidity 4 Fan 1 period maximum speed 8 Fan 2 Heater differential 9 Minimum ramping 10 Low temperature alarm 11 High temperature alarm 12 Relative humidity display Select any one of these secondary mode functions by Rotating the Selector dial to 12 R...

Page 23: ...ng of 13 5 F 9 5 C to a maximum setting of 105 0 F 41 0 C Adjusting the main set point temperature rotate the Selector dial to position 1 rotate the Adjustor dial counterclockwise to decrease the temperature setting clockwise to increase it The main set point temperature is displayed on the ECS Note The reduction per day feature primary function 9 must be OFF to adjust the main set point CHAPTER 3...

Page 24: ... a maximum setting of 18 0 F 10 0 C Adjusting the Fan 1 modulation band rotate the Selector dial to position 2 rotate the adjustment dial counterclockwise to decrease the temperature setting clockwise to increase it The Fan 1 modulation band setting is displayed on the ECS Example A main set point temperature of 70 F along with a Fan 1 band setting of 5 F is set When the temperature of the room re...

Page 25: ...f 12 to a maximum setting of 100 Adjusting the minimum speed of Fan 1 rotate the Selector dial to position 3 rotate the Adjustor dial counterclockwise to decrease fan speed clockwise to increase it The minimum fan speed is displayed on the ECS NOTE Upon start up Fan 1 will run at its maximum speed for 4 seconds This feature helps Fan 1 to reach its set speed as quickly as possible CHAPTER 3 USER S...

Page 26: ...d in 5 increments from a minimum setting of OFF 5 10 etc up to a maximum setting of ON corresponding to continuous operation The period is fixed to 3 minutes Adjusting the duty cycle of Fan 1 rotate the Selector dial to position 4 rotate the Adjustor dial counterclockwise to decrease the duty cycle clockwise to increase it The duty cycle is displayed on the ECS Example The duty cycle is set to 50 ...

Page 27: ...5 0 C to a maximum setting of 18 0 F 10 0 C Adjusting the Heater Fan 2 relative temperature rotate the Selector dial to position 8 rotate the Adjustor dial counterclockwise to decrease the temperature setting clockwise to increase it The relative temperature setting is displayed ECS Example The main set point temperature is adjusted to 70 F A heater is in use and the relative set point is adjusted...

Page 28: ...decrease the ramping rate clockwise to increase it The reduction setting is displayed on the ECS NOTE When reduction is activated or enabled the main set point temperature cannot be adjusted manually Reduction automatically goes OFF when the minimum temperature limit is reached Example The main set point temperature is set to 70 F and reduction is adjusted to 0 05 F The following day the main set ...

Page 29: ... 10 0 C to a maximum display of 105 0 F 40 5 C If a temperature lower than 13 5 F is recorded Lo is displayed Viewing the lowest temperature recorded rotate the Selector dial to position 10 Clearing the low temperature value quickly rotate the Adjustor dial counterclockwise then clockwise CLr will be briefly displayed on the ECS CHAPTER 3 USER S GUIDE LOW TEMP 10 www monitrol com ...

Page 30: ...lay of 13 5 F 10 0 C to a maximum display of 105 0 F 40 5 C If a temperature higher than 105 0 F is recorded Hi is displayed Displaying the highest temperature recorded rotate the Selector dial to position 11 Clearing the high temperature value quickly rotate the Adjustor dial counterclockwise then clockwise CLr will be briefly displayed on the ECS HI TEMP 11 www monitrol com ...

Page 31: ...5 degree from a minimum display of 13 5 F 10 0 C to a maximum display of 105 0 F 41 0 C If the temperature is lower than 41 0 F Lo is displayed If the temperature is higher than 105 0 F Hi is displayed Viewing the room temperature rotate the Selector dial to position 12 Room temperature is displayed on the ECS CHAPTER 3 USER S GUIDE ROOM TEMP 12 www monitrol com ...

Page 32: ...en the temperature of the room is greater than the main set point temperature the fan speed increases until the maximum speed for the fan is reached The humidity level is adjusted in 1 increments from a minimum setting of 30 to a maximum setting of 80 Adjusting the relative humidity level rotate the Selector dial to position 12 rapidly rotate the Adjustor dial back and forth to enter secondary fun...

Page 33: ...the optimized settings for fan models listed in the compatibility table Using the compatibility table find the model number of your fan motor and take note of the fan motor compatibility number Setting the Fan 1 motor compatibility 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 2 rotate t...

Page 34: ...d for humidity 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 speed clockwise to increase it The fan 1 minimum speed setting for humidity is displayed on the ECS Example The relative humidity setting is adjusted to 65 Fan 1 minim...

Page 35: ...imum of 60 to a maximum of 100 Adjusting the maximum speed of Fan 1 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 maximum speed clockwise to increase it The Fan 1 period is displayed on the ECS CHAPTER 3 USER S GUIDE FAN 1 PERIO...

Page 36: ...s the differential The differential is adjusted in 0 5 degree increments from a minimum setting of 1 F 0 5 C to a maximum setting of 6 F 3 C degrees Adjusting the differential setting 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 8 rotate the Adjustor dial counterclockwise to decrease th...

Page 37: ... 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 minimum ramping setting clockwise to increase it The minimum ramping setting is displayed on the ECS NOTE When the main set point temperature reaches the minimum ramping limit the reductio...

Page 38: ... is adjusted in 0 5 degree increments from a minimum setting of 32 0 F 18 0 C to a maximum setting of 0 0 F 0 0 C Adjusting the low temperature alarm setting 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 setting clockwise to in...

Page 39: ...sted in 0 5 degree increments from a minimum setting of 0 F 0 C to a maximum setting of 32 0 F 18 0 C Adjusting the high temperature alarm 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 11 rotate the Adjustor dial counterclockwise to decrease the setting clockwise to increase it The high ...

Page 40: ... humidity level lower than 30 is monitored F2 is displayed On the other hand if a humidity level higher than 90 is monitored Hi is displayed Displaying the relative humidity level rotate the Selector dial to position 12 rapidly rotate the Adjustor dial back and forth to enter secondary function mode The humidity level is displayed on the ECS RELATIVE HUMIDITY 12 www monitrol com ...

Page 41: ...Page 41 APPENDIX www monitrol com ...

Page 42: ...Page 42 ECS 2M www monitrol com ...

Page 43: ...tifan 4E45 230 v 18 3 Multifan 6E56 230 v 22 3 Multifan AF AF36M 230 v 36 3 Leeson 1 2H PAF20L 115 v 20 3 Leeson 1 2HP AF24L 115 v 24 3 Aerotech F AT242 230 v 24 4 Multifan 2E25 230 v 10 4 Leeson 1 4HP AF14L 115 v 14 4 Leeson 1 4HP AF16L 115 v 16 4 Marathon 1 4HP 230 v 16 4 Marathon 1 3HP 230 v 18 4 Leeson 1 3HP AF18L 115 v 18 5 GE Motor 5KCP39 230 v 12 5 Leeson 1 4HP AF12L 230 v 12 5 GE Motor 5KC...

Page 44: ...and fuse Refer to Figure 6 for fuse location If fuse is blown replace with fuse of same type Stage 2 Fan or Heater is operating erratically Verify that the software setting switch located behind the faceplate is properly set Verify the minimum rating 10mA at 230V or 20mA at 230V Display is blank Verify that the line voltage selector switch is properly set Verify that the 10 pin flat cable between ...

Page 45: ... AMP inductive 115V 230V Fuse 15A STAGE 2 dry relay contact Not Fused 10 AMP 115V 230V 1 2 HP 115V 1 HP 230V Min Rating 10mA at 115V 20mA at 230V ALARM dry relay contact 2 AMP 30V AC DC SPECIFICATION APPENDIX Relay will not function properly if load is smaller than the minimum value www monitrol com ...

Page 46: ... 100 100 8 Heat Fan 2 Differential 2 F 1 C 9 Minimum Ramping Limit 65 F 18 C 10 Lo Temperature Limit 9 F 5 C 11 High Temperature Alarm 20 F 12 C RECORD FORM 2nd Function 1 Main Set Point Temperature 77 F 25 C 2 Fan 1 Modulation Band 4 F 2 C 3 Fan 1 Min Speed 24 24 4 Fan 1 Duty Cycle Timer ON ON 8 Heater Fan 3 Relative Temp 3 F 1 C 9 Reduction per day OFF OFF www monitrol com ...

Page 47: ...od flood fire hail lightning or any other natural disaster This warranty becomes invalid if the installation has been conducted contrary to our instructions The manufacturer is only responsible for the 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 replacement parts or goo...

Page 48: ...MAV ECS 2M Ver 1 0 June 5 2001 www monitrol com ...

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