Toshiba/Carrier 3-Pipe VRF Final Knowledge Check Please enable JavaScript in your browser to complete this form.Please enable JavaScript in your browser to complete this form.Name *FirstLastEmail *Company NameDate / TimeFinal Knowledge Check UnlockTechnical information can be found where? *Carrier Enterprise HVAC Pro+ AppInternetYour local Technical Support websiteCarrier/Bryant Service Tech AppAll of the AboveWhat is the maximum number of indoor units you can have on one refrigerant system? *466484What are the two types of VRF? *Heat Pump and Heat RecoveryHeat Ductless and Ductless Heat Recovery.What are the main components of a Heat Recovery system? *Outdoor unit, Indoor unit ControlsOutdoor unit, Indoor unit, Flow selector box and controlsIndoor unit, Controls, PipeworkThe Inverter Compressor on the Toshiba equipment is capable of low BTU’s, what is lowest value? *5,800 BTU4,800 BTU7,500 BTUThere are three refrigerant lines on a heat recovery system, what are they? *Suction, Liquid, DrainDischarge, three way, CopperDischarge gas, Liquid and SuctionWhat is the maximum length of pipe allowed from a multi-port flow selector box? *135 Ft.164 Ft.95 Ft.TCB-1FTH1GUL 24v interface what is it used for? *Connecting a secondary fanConnecting a condensate pumpConnecting third party thermostatsWhat size and type of communication wire do we recommend? *20-6 to 14-6 solid stranded18-2 to 16-2 stranded shielded18-2 sold coreOn completion of the installation what paperwork needs to be completed and sent in before startup? *Installation check list and the Control check listPipework check list and wiring check list.Time sheet and Tax returnShould the ground wire on the controls wire be grounded at both ends. *YesNoIt depends if you have a shield.When determining the placement of the outdoor unit how high should it be from the ground? *Its Ok on the groundHigh on a wall is bestAs high as local snowfallWhen handing in as built pipe lengths, what pipe do you use to calculate the additional refrigerant? *SuctionDischargeLiquidOn a Multi unit outdoor system when connecting the Y Joints what position should they be in? *VerticalOn it’s sideHorizontalWhat is the tolerance for the Y joint? *0 to 10 Degrees0 to 15 Degreesplus minus 12 DegreesWhen brazing what should you always run through the piping? *NitrogenOxygenVacuum PumpOn indoor pipework can you install Y joints vertically? *NoIt does not matter.YesWhat is the maximum number of indoor units you can connect to a single Toshiba controller? *8616When vacuuming out the pipe work what ports do you connect too? *LiquidSuctionBothI will practice what I have learned today to the best of my ability to represent my industry as a professional. *YesNoQ1 PointsEnable calculation: 1 point if Q1 equals ‘All of the Above’, else 0.Q2 PointsEnable calculation: 1 point if Q2 equals ’64’, else 0.Q3 PointsEnable calculation: 1 point if Q3 equals ‘Heat Pump and Heat Recovery’, else 0.Q4 PointsEnable calculation: 1 point if Q4 equals ‘Outdoor unit, Indoor unit, Flow selector box and controls’, else 0.Q5 PointsEnable calculation: 1 point if Q5 equals ‘4,800 BTU’, else 0.Q6 PointsEnable calculation: 1 point if Q6 equals ‘Discharge gas, Liquid and Suction’, else 0.Q7 PointsEnable calculation: 1 point if Q7 equals ‘164 Ft.’, else 0.Q8 PointsEnable calculation: 1 point if Q8 equals ‘Connecting third party thermostats’, else 0.Q9 PointsEnable calculation: 1 point if Q9 equals ’18-2 to 16-2 stranded shielded’, else 0.Q10 PointsEnable calculation: 1 point if Q10 equals ‘Installation check list and the Control check list’, else 0.Q11 PointsEnable calculation: 1 point if Q11 equals ‘Yes’, else 0.Q12 PointsEnable calculation: 1 point if Q12 equals ‘As high as local snowfall’, else 0.Q13 PointsEnable calculation: 1 point if Q13 equals ‘Liquid’, else 0.Q14 PointsEnable calculation: 1 point if Q14 equals ‘Horizontal’, else 0.Q15 PointsEnable calculation: 1 point if Q15 equals ‘0 to 10 Degrees’, else 0.Q16 PointsEnable calculation: 1 point if Q16 equals ‘Nitrogen’, else 0.Q17 PointsEnable calculation: 1 point if Q17 equals ‘Yes’, else 0.Q18 PointsEnable calculation: 1 point if Q18 equals ‘8’, else 0.Q19 PointsEnable calculation: 1 point if Q19 equals ‘Both’, else 0.Q20 PointsEnable calculation: 1 point if Q20 equals ‘Yes’, else 0.Total PointsEnable calculation: sum of Q# Points fields (Q1–Q20).Score PercentEnable calculation: ($F41 / 20) * 100Submit
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