Fieldpiece HVAC Guide HG3 Field Manual
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Fieldpiece HVAC Guide HG3 Field Manual

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Model HG3
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Summary of Contents for Fieldpiece HVAC Guide HG3

  • Page 1 Model HG3 Field Manual...

  • Page 2: Table Of Contents

    4.1 Combustion ........34 Th e New HG3 model has wireless capabilities. Set up the Fieldpiece Ac- 5.1 CheckMe!®...

  • Page 3: Hvac Guide

    Triggers calculations based on the INPUT FORM and takes you to the OUTPUT FORM. Displays INPUT FORMS and OUTPUT FORMS. Sync Button Connects with Fieldpiece Wireless Input Button instruments. Press to lock in a wireless value. Returns to the INPUT FORM. Enter Button Backlight Button Makes a selection or enters data.

  • Page 4: Switch Positions

    PC. 2. CheckMe!®: Th e most advanced A/C system diagnostics and gives sug- gests for fi xing problems. SETUP 3. Display: Displays readings taken from a Fieldpiece product. Wireless or Target direct connection. Evaporator CheckMe! Exit Temp 4.

  • Page 5: How It Works

    Th e INPUT FORM is displayed when a test is selected. Each input line Step 2: Inputs can be entered using is a step in the test. Fill out each line using Fieldpiece products, drop down Fieldpiece products, manual entry or drop down menus.

  • Page 6: Inputting Data

    Accessory head and sent wirelessly to the HG3. Use Sync button to wirelessly connect the HG3 Th e HG3 can receive up to 12 wireless signals at one time. See Wireless to a Fieldpiece wireless enabled product. Testing Section (Pages 12-13). Drop Down Menus: Some input lines are choices (such as R-22 in the Superheat test) and can be changed by selecting from a list.

  • Page 7: Wireless Testing

    Wireless Testing Overview Attach any Fieldpiece Accessory Head to the ET2W or EH4W to view or log measurements on your HG3 in real-time. Th e HG3 has the capability to wirelessly and simultaneously read up to 12 signals. A 13th accessory head can be attached directly to the HG3 and gives you the ability to record 13 parameters at the same time.

  • Page 8: Tests

    14. Press OUTPUT to view the results on the OUTPUT FORM. Compare HVAC Guide the Actual Superheat to the Target Superheat and read Suggested Actions Fieldpiece HVAC Guide Fieldpiece by scrolling down the OUTPUT FORM. See page 22 for more informa- tion on the Superheat Test.
  • Page 9 Data Display Logger Service Superheat Light Combustion Subcooling fi lter and evaporator coil. HVAC Guide Fieldpiece 1 2005 Residential ACM Manual, Page RD-5, (#5-7) WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM...
  • Page 10 1.2 Target Evap Exit Temp INPUT FORM Inputs Take measurements using Fieldpiece Accessory Heads to automatically input Into Evap Return DB (Into Evaporator Return Dry Bulb) Air tempera- onto the INPUT FORM. Measurements can also be ture going into the evaporator. Take measurements as close to the air taken wirelessly.
  • Page 11 FORM refer to the sections in this manual with more detailed informa- tion about each test. Continued from above. Use the Up/Down Arrows to scroll through the OUTPUT FORM to see all suggested actions. Target Evap Exit Temp OUTPUT FORM continued from above. WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM...
  • Page 12 If the air conditioner is in good working order and the airfl ow is adjusted HVAC Guide properly, comparing the actual and target superheat will tell you if refriger- Fieldpiece RETURN AIR SUPPLY AIR ant needs to be added or recovered. Ensure the pressure never exceeds the manufacturer's maximum overload pressure guidelines.
  • Page 13 Target SH ( Target Superheat) if you selected Custom on SH Table and then Take measurements using type in the Manufacturer's recommended superheat in the Target SH Fieldpiece Accessory Heads input. or manual entry. Refrigerant Use the arrows to type in Select from the 39 Refrigerants available.
  • Page 14 (See Section): Th e section numbers on the OUTPUT FORM refer to the sections in this manual with more detailed information about each test. Keep scrolling through the OUTPUT FORM to see all suggested actions. Superheat OUTPUT FORM continued from above. WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM...
  • Page 15 OD Dry Bulb: 85.4 SL Pressure CustomerID:__JONES123 SETUP Target Evaporator CheckMe! Exit Temp Data Display Logger Service Superheat Light Combustion Subcooling WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.C M WWW.FI WWW.FIELDPIECE.COM WWW.FI LDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM...
  • Page 16 Once complete press ENTER to lock it in. Units Select English or Metric units. Use Arrows to enter Target SC. Take measurements using Fieldpiece Accessory Heads enter them manually. Subcooling INPUT FORM with manufacturer's data. WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM...
  • Page 17 Subcooling to correct refrigerant charge and Target Evap Exit Temp to correct airflow across the evaporator coil. Keep scrolling through the OUTPUT FORM to see all suggested actions. Subcooling OUTPUT FORM continued from above. WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM...

  • Page 18: Combustion

    Aft er testing is complete, the hole in the fl ue/stack must be plugged ap- propriately. Use the HG3, AOX2, ACM3, and AOXP2 to perform combustion analysis. WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM...
  • Page 19 Press Enter to see the fuel list. ence of a condensate line indicates a condensing unit, otherwise it is a non-condensing unit. Take measurements using Fieldpiece Accessory Heads Primary Temp or manual entry. (Primary Temperature) Measure the temperature of the air being introduced to the combustion process.
  • Page 20 Stack Temperature 400-600°F Condensing Oil Oxygen (O 2 ) 3-7% Stack Temperature 90-140°F Appropriate levels for combustion equipment chart. Manufacturer's specifi cations should always be determined before adjusting the system. WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM...

  • Page 21: Checkme

    Th e more information supplied, the more accurate and comprehensive the diagnoses. CheckMe!® determines the current state of the equipment. It is recommended that you pretest before repairs and test aft er repairs to confi rm the improvement. WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM...
  • Page 22 (evaporator fan amperage), Test (initial or aft er repair), Outdoor Model calibrated dry bulb thermocouple such as the ATA1 or ATB1. Determine No (number), Outdoor Year (year manufactured of the outdoor unit), the average air temperature in the supply plenum. WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM...
  • Page 23 (NSOP) and is measured using the static pressure probe included you want to get pressure from your gauges. Th e analysis is only as good with the TrueFlow® plate. as the measurements. Th e Fieldpiece ASX14 has better resolution than Flow Pressure: most gauge sets.
  • Page 24 See reaches target page 69 to see section 5.511 subcooling. for example. Actual subcooling is See Sections:5.511 Condenser airflow OK. See Sections: 5.701 CheckMe OUTPUT FORM. WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM...
  • Page 25 Measuring CFM can be a diffi cult task. Air coming out of the duct is turbulent and the velocity widely varies across the grille. Th e Airfl ow test on the HVAC Guide works with Fieldpiece airfl ow accessory head(s), AAV3, employing a sophisticated algorithm to calculate a more accurate CFM.
  • Page 26 Highlight Velocity and press Enter to start measuring. Velocity Th e velocity can only be entered with Fieldpiece airfl ow accessory Traverse the grille slowly and head(s) such as the AAV3. Th is is for convenience and to ensure accurate...

  • Page 27: Cfm

    Th e total CFM for all the supply grilles. Compare the Total Supply CFM Total Return CFM: Th e total CFM for all the return grilles. to the Total Return CFM. CFM OUTPUT FORM continued from above. WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM...

  • Page 28: Service Light

    Light so your customer can easily contact you to come fi x the problem. Air Conditioner Service Light System Air Conditioner Service Light System www.fieldpiece.com www.fieldpiece.com Transmitters get installed onto the system and continuously measure and send data to two boxes, one for the condenser and one for the evapora- tor.

  • Page 29: Data Logger And Display

    Display Th e HVAC Guide can display any parameter from any Fieldpiece Acces- sory head. Switch the dial to Display and select the desired parameter on the accessory head. Th e reading will be displayed in big bold numbers for easy reading.
  • Page 30 Here are the sections of the manual with more info on the Customer ID. Use Arrows to Data Logger switch positions. type in Customer ID. Data Logger INPUT FORM continued from above. Data logger OUTPUT FORM. WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM...

  • Page 31: Setup Switch Position

    HG3 gets accidently left on. Auto power off is automatically disabled during data logging tests. You can set the time for Auto Power Off . Default for Auto Power off is 30 minutes. WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM...

  • Page 32: Advanced Operations

    Customer ID/Time until the Contrast Adjustment Screen shows. Press UP and DOWN arrows to · Time (Date/Time Setting) adjust, and ENTER to set. · Accessing Saved Tests · Clear Saved Data WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM...

  • Page 33: What's Included

    Any implied warranties arising from the sale of a Fieldpiece product, Specifi cations including but not limited to implied warranties of merchantability and fi tness for a particular purpose, are limited to the above. Fieldpiece shall not be liable • Display: 21 characters X 8 rows for loss of use of the instrument or other incidental or consequential dam- •...

  • Page 34: Appendix

    Th e amount of refrigerant to add will vary charge. Higher than expected airfl ow is rare, but does occur occasionally. based on the size of the system and the diff erence between Target and WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM...
  • Page 35 Th e closer the superheat is to the target, the bet- 5.601 Possible oversized metering orifi ce, consult manufac- ter. turer’s specifi cations: Th e metering orifi ce is suspected of letting WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM...
  • Page 36 Check the fan motor outdoor unit entering temp, return plenum temperature, and supply ple- bearings to ensure that the fan is rotating freely. num temperature need to be measured before determining capacity. WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM...

  • Page 37: K-Type Thermocouples

    Infrared temperature measurement with laser (°F, °C). Switch Po- sitions: Data logger and display. AUA2: Milliamps (mA) and microamps(μA) AC and DC. Switch posi- tions: Data logger and Display. AVH1: Volts (V) AC and DC. Switch positions: Data logger and display. WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM...
  • Page 38 WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIEC WWW.FIELDPIEC...

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