AirCycler® g2
Contents
1. Press the MODE key at any time during normal operation to set the current time of the day e Ifthe EXH icon is blinking it indicates the exhaust fan has been on for more than 4 hours or the connection to the AirCycler g2 controller was lost 1 0 INSTALLATION INSTRUCTIONS 1 1 CONTROLLER LOCATION The AirCycler g2 controller can be installed near the thermostat or out of view on near the air handler unit Warning Before installing the AirCycler turn off all power to the furnace There may be more than one power to disconnect Electrical shock can cause injury or death 1 2 INSTALLATION EXH OA a A CFM On power up all icons willbe Ret Haa ieee ON OFF aw ames PERIOD illuminated for 3 seconds There are two setup methods Calculated Time and Calculated Flow Calculated Flow is used primarily with the optional FanConnect bath fan light switch To set up the AirCycler g2 based on Calculated Flow press the UP arrow within 3 seconds of power up To setup based on Calculated Time press the DOWN arrow within 3 seconds of power up and skip to section 2 2 Pressing MODE always advances to the next setting 2 1 CALCULATED FLOW SET UP 2 1 1 SETTING MEASURED SUPPLY AIR FLOW The measured flow is the amount of air that enters the return side of the air handler from the outside air vent Enter the measured flow To accommodate variable speed air handlers you can enter different values for heat cool and fan Fa2. APPENDIX B Troubleshooting Blank Display on the AirCycler g2 controller Solution Check 1 Confirm that the furnace has power 2 Confirm that the thermostat is operational 3 Confirm that the furnace will call for heat from the thermostat 4 Confirm that the fan operates with a fan only signal from the thermostat 5 Confirm that the furnace is providing 24VAC to the AirCycler g2 6 Confirm the wiring conforms to the wiring diagram 7 Make sure the cover is firmly seated on the base The AirCycler g2 turns the furnace fan on and off but the motorized damper does not cycle Solution Check 1 Confirm that the AirCycler g2 is providing a 24VAC signal to the motorized damper 2 Confirm the 24 VAC motorized damper is operational by powering directly with a 24 VAC signal 3 Verify there is continuity in the wiring between the damper and the AirCycler g2 The A C turns on during fan cycling calls Solution Check 1 Verify that the wiring conforms to the wiring diagram 2 Confirm that the G wire is properly connected Note The G wire must be interrupted by the AirCycler g2 Do not run the G wire in parallel The EXH icon is flashing This indicates the g2 controller has seen the FanConnect exhaust fan on for more than 4 hours Solution Check 1 Turn off exhaust fan 2 Check wiring from FanConnect switch to g2 controller For more troubleshooting and frequently asked questions visit www airc
3. and C terminals to be connected for proper operation The controller will not operate without these two connections Vnc Normal Closed Vent R 24VAC Power W Heating Gt Fan From Thermostat SS eS nnn Gf Fan to Furnace C Common V Vent Ex Exhaust Fan The wires R C amp W from the air handler to the thermostat can run parallel with the wiring from the AirCycler g2 to the air handler The fan wire G must be interrupted by the AirCycler g2 Some thermostats do not require a common C connection The AirCycler g2 requires this for power which must be wired to the furnace DAMPER LOCATION The fresh air damper can be located anywhere in the inlet duct Minimize the length of the inlet duct to improve air flow and improve system efficiency It is recommended that the damper be as close to the return air plenum and the AirCycler g2 controller as possible and the inlet duct connect to the return plenum upstream of the system filter and down stream of any duct mounted sensors DAMPER INSTALLATION The damper may be installed in any position It is recommended to install it with the motor at the12 o clock position if mounted horizontally Air may flow through in either direction although it is recommended to install with the crimped end as the outlet Use care to avoid distorting the damper housing and provide adequate support CHOOSE A FRESH AIR LOCATION ASHRAE recommends that the fresh air intake be locate
4. bath fan to run after the FanConnect has been turned off Factory default is 10 minutes Press MODE to save all settings and return to normal operation 3 0 NORMAL OPERATION DISPLAY STATUS amp SETTINGS 3 1 STATUS To get detailed status information press the UP arrow The status displays are the same for both Calculated Flow and Calculated Time modes 3 1 1 MINUTES LEFT The first display is the number of minutes left in the period hour am Pressing the UP arrow again gets I AOIR you to the next status screen 3 1 2 OUTSIDE AIR TIME ELAPSED This display shows the number of minutes this period that the outside air damper has been open with the central fan running 3 1 3 EXHAUST RUN TIME This display shows the elapsed P run time of the exhaust fan for this ge time period 3 1 4 EXHAUST DELAY TIME This display shows the exhaust delay time set 3 2 CURRENT SETTINGS Pressing the DOWN arrow during normal operation scrolls through the current setting entered by the installer For Calculated Time mode the screens will show For Calculated Flow mode the screens will show Exhaust run time set Outside air time in minutes Exhaust fan delay time If operating time is enabled Operating Time On Operating Time Off Required CFM set measured outside air CFM measured exhaust air CFM exhaust fan delay time If operating time is enabled Operating Time On Operating Time Off If optional FanCo
5. ctory default is 90 CFM OT CH a PRESS MODE Flow measured fe CI a fi during cooling call an am PRESS MODE Flow measured CI E aM E L am call aL PRESS MODE Flow measured during heat call during fan only 2 1 2 SETTING MEASURED EXHAUST AIR FLOW Enter the measured flow from the exhaust fan Factory default is 60 CFM P ss P I 1 Only if FanConnect is connected LILI 2 1 3 SETTING CODE REQUIRED CONSTANT AIR FLOW Set the required continuous air flow lt in CFM based on relevant codes For reaser I1 ASHRAE 62 2 see Appendix A Factor IL default is 30 CFM The AirCycler g2 will calculate run times based on settings 2 1 1 and 2 1 2 2 1 5 CALCULATED FLOW SETUP IS COMPLETE Continue to section 2 2 3 Setting the optional mixing time 2 2 CALCULATED TIME SETUP 2 2 1 SET MINUTES HOUR OF SUPPLY AIR REQUIRED Enter the minutes per hour that you require fresh air to be brought into the home Factory default is 20 minutes S OA r lt a SET fmm GE aa For installations without the FanConnect switch go to section 2 2 3 2 2 2 SET MINUTES OF EXHAUST FAN REQUIRED Enter the desired minutes per hour jy hele want the exhaust fan to run SET aal a default is 20 minutes per o LL MIN HR our If the FanConnect switch is not detected make sure it is in the OFF position SLAVE MODE Press the DOWN arrow until the countdown reaches 0 Press again to get
6. d at least 10 ft from any source of pollutants such as auto exhaust dryer exhaust exhaust from any fuel burning appliances etc Avoid installation near odor sources such as garbage bins or barbecue grills A minimum of 3 ft above ground is recommended to avoiding ingress of leaf litter grass clippings etc Do not use a crawl space basement or attic as a source of intake air Always be sure to comply with seve building codes and requirements regarding fresh air inlets NORMAL OPERATION DISPLAY THE DAMPER THE EXHAUST IS OPEN FAN IS ON um lmm AM PM THE THERMOSTAT HAS TURNED ON i MIN HR THE CENTRAL FAN EN PERIOD PERCENTAGE OF VENTILATION COMPLETE THE AIRCYCLER G2 HAS FORCED THE FAN e When the AirCycler g2 is in Normal Operation the display will show the percentage of ventilation complete for the current hour e If the central fan is on the FAN and ON icon will be illuminated e If the exhaust bath fan is on the EXH icon will be illuminated e Ifthe outside fresh air damper is open the OA icon will be illuminated e Ifthe exhaust fan is running its delay time after bathroom occupancy the delay time countdown MIN and EXH icons will be illuminated e Ifthe thermostat is calling for heat or cool the FAN icon will be illuminated without the ON icon e The ON icon is only illuminated when the AirCycler g2 has forced the central fan on Calculated Time Mode Only e
7. nnect switch is installed 3 3 1 SET CURRENT TIME By pressing the MODE key you will cycle through current time of day and will be able to change it if needed See 2 2 5 Setting Current Time 3 4 RECORD ALL SETTINGS ON THE INSTALL STICKER PROVIDED LIMITED WARRANTY WILL BE VOID IF THE STICKER IS NOT PRESENT 4 0 RESET TO DEFAULT VALUES On initial power up when all icons are lit hold the UP arrow for 10 seconds to be prompted to reset all settings to default NO OF BEDROOMS WIRING DIAGRAM Use the following diagram to wire your AirCycler g2 The controller will not operate correctly if it is not wired according to the manufacturer s diagram Air Handler AirCycler g2 Thermostat Wt Gf Ex Follow wiring below for connecting the optional FanConnect switch low Fanconnect _ TOE om switch Blue Light hot Black Hot Bathroom Creen Ground Red Fan Hot S5 Light Bathroonrs White Neutral Fan White Neutral APPENDIX A ASHRAE 62 2 Reference Chart For more information about ASHRAE requirements visit www ashrae org SQUARE FOOTAGE 1000 1500 2000 2500 3000 3500 4000 4500 CMF Required Based on 7 5cfm x N 1 A x 0 01 N Number of Bedrooms A Square Footage
8. to SL SL slave mode In slave mode the exhaust fan runs anytime the central fan is running with the fresh air damper open Slave mode will provide a balanced mode of operation 2 2 3 SETTING THE OPTIONAL MIXING TIME If the user needs more central fan time for whole house mixing than rT the amount that is provided by J O ventilation time the central fan can lon be configured to run an additional time period to complete the mixing period Factory default is O or OFF The fresh air damper will not be open during this extra time 2 2 4 SETTING OPERATION HOURS If the user does not want the ventilation system to run constantly n can set ON time and OFF time Factory default is OFF If you are not setting an ON and OFF time continue to section 2 2 6 If o enter YES the AirCycler g2 will prompt you to enter the hour al ou would like the ventilation to mme f egin and the hour you want it to end followed by the current time Set the hour you want the ventilation tine h i to START ON Set the hour ic want the ae J I a ventilation to STOP me pf 2 2 5 SETTING CURRENT TIME Enter the current time Hour followed by minutes SET PM SET TIME L TIME MIN 2 2 6 CALCULATED TIME SETUP IS COMPLETE If optional FanConnect switch is installed continue to 2 2 7 If not setup is complete and normal operation will start 2 2 7 EXHAUST FAN DELAY TIME Set the desired length of time you would like the
9. ycler com pages troubleshooting For Limited Warranty information please visit www aircycler com products Technical Support 1 877 FAN CONTrol LIPIDEX CORPORATION D B A AIRCYCLER 411 PLAIN STREET MARSHFIELD MA 02050 WWW AIRCYCLER COM AirCycler Ventilation Products bdh JE E E E o o O OO O AirCycler g2 INSTALLATION amp USER S MANUAL VENTILATION MADE BREEZY A BREEZE TO INSTALL A BREEZE TO USE This product may be protected by one or more of the following patents and patents pending 8185244 7258280 6431268 881806 547017 Canada 2245135 INTRODUCTION If the AirCycler g2 was installed in your home as a ventilation controller DO NOT DISABLE IT In the past homes depended on natural leaks for ventilation Today energy efficient homes are built to reduce natural ventilation and leaks Inadequate ventilation can increase indoor air pollutants to harmful levels Indoor air quality is typically 5 to 10 times more polluted than outside air Controlled ventilation provides adequate air flow to the home without compromising its efficiency SAFETY CONSIDERATIONS Read and follow manufacturer s instructions carefully Follow all local electrical codes during installation All wiring must conform to local and national electrical codes Improper wiring or installation may result in personal injury or product and property damage INSTALLATION CONSIDERATIONS The AirCycler g2 requires 24VAC R
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