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Varifan ECS 3M User Manual

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ECS 3M
USER'S MANUAL
ENVIRONMENT CONTROL SYSTEM
3 STAGES
1
2
3
HI
LO
10
9
reduc.
per day
rel
Varifan
®
www.monitrol.com
computer compatible
+
F2
12
1
DIFF
11
2
3
MIN SPEED
on
4
off
TIMER
8
5
7
6
ADJUST
rel
DIFF
MIN SPEED
ECS-3M
Page 1

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  • Page 1 ECS 3M USER’S MANUAL ENVIRONMENT CONTROL SYSTEM 3 STAGES computer compatible DIFF MIN SPEED reduc. per day TIMER ADJUST DIFF MIN SPEED Varifan ® ECS-3M Page 1 www.monitrol.com...
  • Page 2 ECS-3M Although the manufacturer has made every effort to ensure the accuracy of the information contained herein, this document is subject to change without notice due to ongoing product development. WARNINGS AND PRECAUTIONS Equipment, probe failure, blown fuses and/or tripped breakers may prove harmful to the contents of the building.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS CHAPTER 1 - INTRODUCTION General ................5 Description ...............5 Definition of terms .................7 CHAPTER 2 - INSTALLATION Unpacking ................9 Mounting ................10 Switch Settings ..............10 2.3.1 Line Voltage Selector Switch ..........10 2.3.2 Software Settings Switch ..........11 Connection Procedure ............11 2.4.1 Input Power ..............11 2.4.1.1 115 VAC ................11...
  • Page 4 ECS-3M CONTENTS CONTINUED... Reduction per day ............31 Record Low Temperature ..........32 Record High Temperature ..........33 Room Temperature ............34 SECONDARY FUNCTIONS Relative Humidity Set Point ..........35 Fan 1 Motor ..............36 Fan 1 Minimum Humidity Speed ........37 Fan 1 Duty Cycle Period ..........

  • Page 5: Chapter 1 - Introduction

    CHAPTER 1 - INTRODUCTION 1. GENERAL This document provides a description of the ECS-3M control panel. It is organized as follows: • Introduction • Installation • User’s Guide • Appendix 1.1 DESCRIPTION Congratulations on the purchase of your ECS-3M environmental control system. The ECS-M product line provides you with full control over temperature, humidity, air flow, and heat, resulting in a comfortable environment for your livestock.
  • Page 6 ECS-3M DESCRIPTION CONTINUED... The second stage provides control over a second variable speed fan to help the first fan when higher room temperatures require increased airflow. This second stage is also fully programmable for settings, such as minimum speed, relative set point, etc.

  • Page 7: Definition Of Terms

    DEFINITION OF TERMS DEFINITION OF TERMS MAIN SET POINT The desired room temperature. Other temperature settings on the ECS-3M are relative to the main set point temperature. RELATIVE TEMPERATURE A value added to, or subtracted from the main set point, which results in a new temperature at which a desired action starts or stops.
  • Page 8 ECS-3M Page 8 www.monitrol.com...

  • Page 9: Chapter 2 - Installation

    CHAPTER 2 - INSTALLATION Chapter 2 describes the installation of the ECS-3M control panel. The manufacturer recommends that the following instructions be adhered to as closely as possible, and that all work be performed by a certified electrician. Failure to do so may void the warranty! 2.1 UNPACKING Unpack the ECS-3M and inspect contents for damage.

  • Page 10: Mounting

    ECS-3M 2.2 MOUNTING Use a screwdriver to remove the faceplate and the plate on the power compartment. To limit the unit’s exposure to noxious gases, install the unit in a hallway. Make sure the unit is mounted right side up with the cable entry holes facing down.

  • Page 11: Software Settings Switch

    CHAPTER 2 - INSTALLATION 2.3.2 - Software Settings Switch This switch is located at the rear of the control panel faceplate and adjusts the following options. Fahrenheit Celsius Settings locked Setting unlocked Stage 3 = Heat Stage 3 = Fan Not used Relative Humidity Switch 1...

  • Page 12: 230 Vac

    ECS-3M 2.4.1.2 - 230 VAC Make certain that the line voltage selector switch is set to 230 VAC. Connect the power cable to terminals 7 and 8 on the main (bottom) board and connect the ground wire to terminal 9 on the main board. 2.4.2 - Fan 1 (terminals 5 and 6) Stage 1 of the ECS-3M controls the operation of the primary fan.

  • Page 13: Single Temperature Probe

    CHAPTER 2 - INSTALLATION Use shielded cabling for probes . Connect the shields to the “SHLD” terminal. Failure to do so may result in inaccurate readings! 2.5.1 Single Temperature Probe Install a single temperature probe in the area that best reflects the overall room temperature.

  • Page 14: Powering Up

    ECS-3M 2.7 POWERING UP Before powering up the ECS-3M, install the faceplate to the control’s enclosure using the six 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 up.
  • Page 15 CHAPTER 2 - INSTALLATION Fig. 2 Three Fans (230V) Fig. 3 Two Fans (230V) and One Heating Unit (115V) Page 15 www.monitrol.com...
  • Page 16 ECS-3M Notes for Figures 1, 2 and 3 Power cut and protection devices in case of overload. Only use fans that have thermal protection devices. Terminals 4, 6, and 7 are internally connected. Connect the grounding wire to the ground terminal 9 . Should be on a different circuit from the ECS.
  • Page 17 CHAPTER 2 - INSTALLATION Fig. 5 Temperature Averaging Probe Connection Fig. 6 Main Board: Terminal, Blocks, Switches, Fuses and Ground 10A Slo-Blo Fan 2 Ground Connection IPM-1 Alarm Probes 1046 Page 17 www.monitrol.com...
  • Page 18 ALARM CIRCUIT. In normal operation, the alarm circuit of the Varifan control is a short circuit. But if the control is defective or if there is no power applied to it, then the alarm circuit of the control will be an open circuit.
  • Page 19 CHAPTER 2 - INSTALLATION Fig 7. Recommended control backup Page 19 www.monitrol.com...

  • Page 20: Chapter 3 - User Guide

    ECS-3M CHAPTER 3 - USER’S GUIDE The ECS-3M front panel shown previously features a LED status window and two control dials which are used respectively to select a function and adjust a setting. LED STATUS WINDOW The LED status window features a 3 digit LED readout for the display of temperature in Fahrenheit or Celsius, humidity level, and programmable settings.
  • Page 21 CHAPTER 3 - USER’S GUIDE Page 21 www.monitrol.com...
  • Page 22 ECS-3M The 12 primary functions are: • 1 Main set point temperature • 2 Fan 1 modulation band • 3 Fan 1 minimum speed • 4 Fan 1 duty cycle timer • 5 Fan 2 relative set point temperature • 6 Fan 2 modulation band •...

  • Page 23: Main Set Point Temperature

    CHAPTER 3 - USER’S GUIDE PRIMARY FUNCTIONS MAIN SET POINT The main set point establishes the target temperature in the building. This value is used as the reference point for other settings. The main set point temperature is adjusted in 0.5 degree increments from a minimum setting of -9.5°C (13.5°F) to a maximum setting of 41.0°C (105.0°F).

  • Page 24: Fan 1 Differential

    ECS-3M FAN 1 DIFFERENTIAL The Fan 1 differential setting establishes the temperature at which Fan 1 reaches maximum speed. The value is a temperature difference from the main set point. The Fan 1 differential is adjusted in 0.5 degree increments from a minimum setting of 2.0°F (1.0°C) to a maximum setting of 18.0°F (10.0°...

  • Page 25: Fan 1 Minimum Speed

    CHAPTER 3 - USER’S GUIDE FAN 1 MINIMUM SPEED 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 a fan’s maximum speed. The Fan 1 minimum speed is adjusted in 2% increments from a minimum setting of 12% to a maximum setting of 100%.

  • Page 26: Fan 1 Duty Cycle

    ECS-3M FAN 1 DUTY CYCLE As long as the actual temperature is below the main set point, Fan 1 operates at the minimum speed set by Fan 1 Minimum Speed (primary function 3). The Fan 1 duty cycle sets the per- centage of time the fan is ON versus the percentage of time the fan is OFF.

  • Page 27: Fan 2 Relative Set Point

    CHAPTER 3 - USER’S GUIDE FAN 2 RELATIVE SET POINT The Fan 2 relative set point establishes the temperature above the main set point at which Fan 2 begins to operate at its minimum speed. The value is a temperature difference from the main set point.

  • Page 28: Fan 2 Differential

    ECS-3M FAN 2 DIFFERENTIAL differential setting temperature at which Fan 2 reaches maximum speed. The value entered is the temperature difference above the Fan 2 relative set point temperature setting. The Fan 2 differential is adjusted in 0.5 degree increments from a minimum setting of 2.0°F (1.0°C) to a maximum setting of 18.0°F (10.0°...

  • Page 29: Fan 2 Minimum Speed

    CHAPTER 3 - USER’S GUIDE FAN 2 MINIMUM SPEED When room temperature is at the Fan 2 relative set point, Fan 2 runs at minimum speed set by this function. This value is entered as a percentage of fan maximum speed.

  • Page 30: Heater/Fan 3 Relative Set Point

    ECS-3M HEATER/FAN 3 RELATIVE SET POINT The Heater/Fan 3 relative set point is the relative temperature at which Heater/Fan 3 begins to operate. This value is the temperature difference from the main set point. When a heater is connected,the relative set point is below the main set point.

  • Page 31: Reduction Per Day

    CHAPTER 3 - USER’S GUIDE REDUCTION PER DAY The reduction per day (ramping) function automatically reduces the main set point by the set value every 24 hours. The reduction setting is adjusted in 0.01 degree decrements from a minimum setting of OFF, -0.01°C (-0.01°F) to a maximum setting of -0.50°C (-0.99°F).

  • Page 32: Record Low Temperature

    ECS-3M RECORD LOW TEMPERATURE This function displays the lowest recorded temperature since the last clear. The record low temperature is rounded to the nearest 0.5 degree from a minimum display of -10.0°C (13.5°F) to a maximum display of 40.5°C (105.0°F). If a temperature lower than -10°C is recorded, Lo is displayed.

  • Page 33: Record High Temperature

    CHAPTER 3 - USER’S GUIDE RECORD HIGH TEMPERATURE This function displays the highest recorded temperature since the last clear. The record high temperature is rounded up to the nearest 0.5 degree from a minimum display of -10.0°C (13.5°F) to a maximum display of 40.5°C (105.0°F).

  • Page 34: Room Temperature

    ECS-3M ROOM TEMPERATURE This function displays room temperature. The Selector dial should normally be left in this position. Room temperature is displayed to the nearest 0.5 degree from a minimum display of -10.0°C (13.5°F) to a maximum display of 41.0°C (105.0°F). If the temperature is lower than -10.0°C, Lo is displayed.

  • Page 35: Secondary Functions

    CHAPTER 3 - USER’S GUIDE SECONDARY FUNCTIONS RELATIVE HUMIDITY SET POINT This setting regulates room humidity only when a humidity sensor is connected to the ECS. The humidity setting affects Fan 1 only. When humidity in the room exceeds the relative humidity set point, Fan 1 minimum speed increases gradually and proportionally.

  • Page 36: Fan 1 Motor

    ECS-3M FAN 1 MOTOR The Fan 1 motor compatibility setting adjusts ECS-3M outputs electrical characteristics of the fan motor. Eight choices are available. Choice 1 is suitable for most fans. If your motor is not listed in the compatibility table in the Appendix, try all choices and take the one that offers the best performance.

  • Page 37: Fan 1 Minimum Humidity Speed

    CHAPTER 3 - USER’S GUIDE FAN 1 MINIMUM SPEED FOR HUMIDITY This function establishes the minimum speed of Fan 1 when the relative humidity level of the room exceeds the relative humidity set point. The speed setting for humidity must be set higher than the speed setting for temperature.

  • Page 38: Fan 1 Duty Cycle Period

    ECS-3M FAN 1 DUTY CYCLE PERIOD The Fan 1 duty cycle period is adjusted in conjunction with the Fan 1 duty cycle timer (primary function 4). The Fan 1 duty cycle period is the total time in ON-OFF fan cycle. The period is adjusted in 1 minute increments from a setting of 1 minute to a maximum setting of 10 minutes.

  • Page 39: Fan 2 Motor

    CHAPTER 3 - USER’S GUIDE FAN 2 MOTOR The Fan 2 motor compatibility setting adjusts the ECS-3M outputs to the electrical characteristics of the fan motor. Eight choices are available. Choice 1 is suitable for most fans. If your fan is not listed in the compatibility table in the Appendix, try all choices and take the one that gives the best performance.

  • Page 40: Heater/Fan 3 Differential

    ECS-3M HEATER/FAN 3 DIFFERENTIAL In order to minimize erratic behavior of Heater/Fan 3 when room temperature is exactly at the relative set point, the differential setting separates this ON/OFF threshold into two: one ON threshold and one OFF. This feature greatly reduces equipment wear.

  • Page 41: Minimum Ramping

    CHAPTER 3 - USER’S GUIDE MINIMUM RAMPING Minimum ramping is the lowest that the ramping function can adjust the main set point to. This is a safety feature. The minimum ramping setting is adjusted in 0.5 degree increments from a minimum setting of -9.5°C (13.5°F) to a maximum setting of 41.0°C (105.0°F).

  • Page 42: Low Temperature Alarm

    ECS-3M LOW TEMPERATURE ALARM This function establishes the temperature difference below the main set point that the room can reach before a low temperature alarm is sounded. When a low temperature alarm occurs, an alarm contact is activated and the alarm LED lights on the front panel.

  • Page 43: High Temperature Alarm

    CHAPTER 3 - USER’S GUIDE HIGH TEMPERATURE ALARM This function establishes the temperature difference above the main set point that the room can reach before a high temperature alarm is sounded. When a high temperature alarm occurs, an alarm contact is activated and the alarm LED lights on the front panel.

  • Page 44: Relative Humidity Display

    ECS-3M RELATIVE HUMIDITY DISPLAY This function displays the relative humidity of the room. Relative humidity is displayed in 1% increments from a minimum display of 30% to a maximum display of 90%. If a humidity level lower than 30% is sensed, F2 is displayed.

  • Page 45: Appendix

    APPENDIX Page 45 www.monitrol.com...
  • Page 46 ECS-3M Page 46 www.monitrol.com...

  • Page 47: Motor Compatibility Table

    APPENDIX MOTOR COMPATIBILITY CURVE BRAND MODEL VOLT Multifan 4E40 230 v. 16” Multifan 2E20 8” Multifan 4E35 230 v 14” Multifan 4E40 115 v. 16” Multifan 4E40 230 v. 16” Multifan 4E45 115 v. 18” Multifan 4E45 230 v 18” Multifan 4E50 115 v.

  • Page 48: Troubleshooting

    ECS-3M TROUBLESHOOTING SYMPTOM CAUSE and REMEDY − Lo is ° Temperature is below minimum (13.5 F or - continually ° 10.0 − displayed Probe is disconnected or defective. − Hi is Temperature is above maximum (105.0° continually F or 41°C). −...

  • Page 49: Specification

    APPENDIX SPECIFICATION DESCRIPTION VALUE − INPUT POWER 12 AMP − 115/230 -20%, +10% VAC − 50 / 60 Hz − STAGE 1 (variable 6 AMP; inductive 115V / 230V − speed) 10 AMP; max (fuse 10A) − Min. Rating 150mA at 115V* −...

  • Page 50: Record Form

    ECS-3M RECORD FORM Dial Option Default setting User setting Main Set Point Temperature 77°F 25°C Fan 1 Differential 4°F 2°C Fan 1 Min Speed Fan 1 Duty Cycle Timer Fan 2 Relative Set Point 4°F 2°C Fan 2 Differential 4°F 2°C Fan 2 Min Speed Heater/Fan 3 Relative Temp.
  • Page 51 WARRANTY Limited Warranty manufactured equipment supplied components have gone through rigorous inspection to assure optimal quality of product and reliability. Individual controls are factory tested under load, however the possibility of equipment failure and/or malfunction may still exist. For service, contact your local retailer or supplier. The warranty period shall be for two years from manufacturing date.
  • Page 52 ECS-3M MAV ECS-3M Ver: 2.1 April 1995 Rev. June 2001 Page 52 www.monitrol.com...

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