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Field Controls FAVC, Installation Manual

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Page 3 of 36

TABLE OF CONTENTS 

 

 

 

 

 

 

 

     

 

 

 

 

 

 

 

 

 

 

page

1.  

FAVC 

LAYOUT 

- 

OVERVIEW 

       5 

2.  

GATHER INFORMATION/ RECORD/ SET CONTROL 

 

 

 

6 

 

 

  2A  

Determine The Required CFM Continuous  

 

 

 

6,7

   

Residential 

Ventilation 

   

 

 

2B 

Determine 

Fresh 

Air 

Intake 

      8,9 

3.  

INHIBIT SET-UP - Dip Switches 1 & 2   

 

 

 

 

     

10

 

  3A 

Climate Zone Inhibit Options   

 

 

 

 

 

10

 

 

3B 

Normal 

Climate 

Zone       11

 

 

3C 

Cold 

Climate 

Zone 

       12

 

 

3D 

Hot 

Climate 

Zone 

       12 

4. 

 

OPTIONAL 

APPLIANCE 

MONITORING 

     13,14

5.  MAKE-UP AIR OPTIONS - Dip Switch 3 

 

 

 

 

 

15

6.  ENERGY SAVING OPTION - Dip Switch 4   

 

 

 

 

15

7.  

 

INSTALLATION 

         16 

 

 

  7A. 

Installation Locations  

 

 

 

 

 

          16 

 

 

 

 

i. 

 

 

FAVC 

location       

16,17

 

 

 ii. 

 

FAVC 

Mounting 

      

18  

 

 

 

iii. 

Intake Air Connection/Duct Installation   

 

 

19

 

 

 

iv. 

Fresh Air Damper or HRV/ERV location

   

 

 

20 

 

 

7B 

Wiring 

and 

Connections 

      21 

 

 

 i. 

Ventilation 

Control 

Connections 

    

21

 

 

 

ii. 

Thermostat and Air Handler Connections  

 

 

22-24 

 

 

 

iii. 

Outdoor Temperature Sensor (ODT) Connection   

 

25 

 

 

 

iv. 

Outdoor Temperature Sensor LED Status   

 

 25

 

 

 v. 

Appliance 

Monitoring 

Connections    

26-28

8.  

 

MAINTENANCE 

AND 

TROUBLESHOOTING     29 

9.  

 SPARE PARTS AND OPTIONAL ACCESSORIES 

 

 

 

 

30 

10. SIZING OF FRESH AIR DAMPER AND HRV/ERV   

 

 

 

31 

 

  10A 

How to size Fresh Air Damper 

 

 

 

 

 

31-33 

 

 

10B 

How 

to 

size 

an 

HRV/ERV 

      33

P/N 780100700 07/18  Rev F

Summary of Contents for FAVC

Page 1: ...OMPLETELY READ THESE INSTRUCTIONS CAREFULLY AND COMPLETELY BEFORE PROCEEDING WITH THE INSTALLATION BEFORE PROCEEDING WITH THE INSTALLATION Meets the requirements of the ASHRAE 62 2 standard for ventil...

Page 2: ...Page 2 of 36 THIS PAGE LEFT INTENTIONALLY BLANK P N 780100700 07 18 Rev F...

Page 3: ...itch 4 15 7 INSTALLATION 16 7A Installation Locations 16 i FAVC location 16 17 ii FAVC Mounting 18 iii Intake Air Connection Duct Installation 19 iv Fresh Air Damper or HRV ERV location 20 7B Wiring a...

Page 4: ...ventilation controller in an outdoor location and or wet location Do not obstruct or cover the fresh air intake or air outlet of the ventilation system Provisions should be made for make up air requi...

Page 5: ...Page 5 of 36 P N 780100700 07 18 Rev F 1 FAVC LAYOUT OVERVIEW FIGURE 1 FAVC Functional Product Layout shown with cover removed...

Page 6: ...ect the number of bedrooms associated with your application 6 Locate where the square footage row and bedroom column intersect This determines the CFM continuous ventilation dial setting 7 Record and...

Page 7: ...5 6 500 30 38 45 53 60 68 600 33 41 48 56 63 71 700 36 44 51 59 66 74 800 39 47 54 62 69 77 900 42 50 57 65 72 80 1000 45 53 60 68 75 83 1100 48 56 63 71 78 86 1200 51 59 66 74 81 89 1300 54 62 69 77...

Page 8: ...heating and cooling cycle 4 Determine the fresh air intake internal round duct size and type If square or rectangular duct convert free area to the nearest round duct size 5 Determine the fresh air in...

Page 9: ...fully adjust the CFM Cool Vent dial Use the recorded volume that was determined from using one of the previous methods and Recorded in Section 2B Note Locate arrow on the dial stem Align to the desire...

Page 10: ...door temperatures During the summer months when outdoor temperatures summer months when outdoor temperatures are at 85 F or higher the FAVC will prohibit are at 85 F or higher the FAVC will prohibit v...

Page 11: ...e is between 100 F and 17 F depending on if the HVAC system is in heating or cooling mode and depending on indoor relative humidity change during the ventilation cycle Below 25 F outside temperature a...

Page 12: ...entilation is limited to prevent induct condensation from occurring FIGURE 7 Cold Climate Operation 3C COLD CLIMATE ZONE In Climate Mode HOT The FAVC will provide fresh outside ventilation if the outs...

Page 13: ...lectrically isolated from the other pairs Unused input pairs should be left unconnected The associated control setting does not matter if the input is not used The optional inputs are not required for...

Page 14: ...A3C terminal should be connected to common 24VAC power This input is typically used to monitor a clothes dryer or other medium CFM suitable exhaust fan appliance The control setting represents the air...

Page 15: ...13 for DIP Switch 4 setting to configure FAVC central fan control during a call for ventilation function This is ideal for use with an ERV HRV system or to remote control a bathroom fan or exhaust fa...

Page 16: ...VAC system when the small room is designed to act as a return air plenum using the optional FAVC mounting bracket Field Controls P N 602600150 refer to Figure 16 for return air closet installation inf...

Page 17: ...CE AIR HANDLER FILTER TRIO 1200 2000 FRESH AIR DAMPER FRESH AIR OUTSIDE WALL FRESH AIR INTAKE HOOD W SCREEN OUTDOOR TEMPERATURE SENSOR R A VENT FROM HOME FAVC ON WALL MOUNT BRACKET INSIDE WALL OPTIONA...

Page 18: ...h square hole in ductwork to allow the controller s Humidity Temperature Sensor to sense actual return air duct environmental conditions The Humidity Temperature sensor extends out from the back of th...

Page 19: ...sh air inlets 7Aiii Intake Air Connection and Duct Installation Ductwork Specification All flexible ducts must meet UL safety standards for Class I air ducts and connectors All ducting must be install...

Page 20: ...nd Fresh Air Intake location The HRV ERV unit should be installed in an area where the air is tempered to avoid freezing of the condensate line The contractor should install the unit in an area that i...

Page 21: ...iring Diagrams 1 and 2 for basic ventilation wire requirements using Fresh Air Damper or HRV ERV devices Refer to wiring diagrams 3 and 4 when adding optional appliance monitoring and or control featu...

Page 22: ...andler R is the 24VAC hot The FAVC does not need to be connected to the Y compressor or cooling as the GT thermostat fan signal will suffice for all applications including heat pumps There may be func...

Page 23: ...Page 23 of 36 DIAGRAM 1 Conventional Wiring Diagram Thermostat Air Handler FAVC ODT Sensor and Fresh Air Damper P N 780300901 P N 780100700 07 18 Rev F...

Page 24: ...Page 24 of 36 DIAGRAM 2 Conventional Wiring Diagram Thermostat Air Handler FAVC ODT Sensor and HRV ERV Device P N 780300902 P N 780100700 07 18 Rev F...

Page 25: ...he ODT sensor is supplied with the FAVC and MUST BE INSTALLED for the FAVC to operate properly The best loca tion to mount the ODT sensor is next to the fresh air damper on the side wall of the duct L...

Page 26: ...iance can be monitored if its air flow is within the appliance dial setting range The appliance monitoring features are based on the following equipment devices Appliance 1 HRV ERV or Bathroom Fan or...

Page 27: ...RAM 3 Appliances 1 thru 4 Monitoring Connections using Current or Pressure Sensors P N 780300903 NOTE HVAC Thermostat Outdoor Sensor Wiring and FAD HRV ERV Connections not shown for simplicity P N 780...

Page 28: ...ntrol and Monitoring Appliances using Current or Pressure Sensors and External Aube Relay NOTE HVAC Thermostat Outdoor Sensor Wiring and FAD HRV ERV Connections not shown for simplicity P N 780300904...

Page 29: ...Blue Red No Color Green LED indicates outside air meets ventilation requirements without restrictions This is normal system will function normally Blue LED indicates the outside air temperature or re...

Page 30: ...OOR TEMPERATURE SENSOR 620000102 C SENSOR CURRENT SENSOR 24VAC 46676600 P SENSOR PRESSURE SENSOR 24VAC 46679400 40XFMR TRANSFORMER UV 16 24 PLUG IN 46524800 50XFMR TRANSFORMER 24VAC 50VA 46638800 24VA...

Page 31: ...fittings installed with a total of 30 foot equivalent duct length or less Long Run Length section is for 15 28 foot duct runs with 2 or less elbows or reducing fittings installed with a total of 30 f...

Page 32: ...able 8 to select fresh air damper size based on measuring static pressure at the return intake multiple the continuous ventilation CFM value by 3 for fresh air damper CFM and calculated total equivale...

Page 33: ...sh air damper size Step 2 Static pressure in the return is 0 15 inches WC measured Step 3 Ductwork system design consists of i Two 6 diameter 45 Elbow 10 equivalent feet ii 10 feet of straight 6 smoot...

Page 34: ...____ CFM CFM Appliance 4 __________________________ CFM 100 400 400 75 75 200 850 Damper Size ________________________________ Inches or HRV Model _________________________________ CFM ___________ or...

Page 35: ...Page 35 of 36 THIS PAGE LEFT INTENTIONALLY BLANK P N 780100700 07 18 Rev F...

Page 36: ...ted from the Field Controls website www fieldcontrols com WARRANTY WARRANTY For warranty information about this or any Field Controls product visit For warranty information about this or any Field Con...

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