Ambient – Carrier/Bryant 2-Pipe VRF Installation & Startup – 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 Name *Date / Time *Final Knowledge Unlock Code *What 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, PipeworkWhat type of compressor is used in the Carrier Bryant VRF system? *ScrollReciprocatingReciprocating ScrollWhat is the maximum length of pipe allowed from a multi-port flow selector box? *110 Ft.121 Ft.131 Ft.On the Heat Recovery MDC box what port must you always use? *14240VM900008 24v interface what is it used for? *Secondary Heat.Secondary supply fan.Third party thermostats.What size and type of communication wire do we recommend? *22-2 stranded shielded.6 wire thermostat wire.18-2 or 16-2 stranded shielded.On completion of the installation what paperwork needs to be completed and sent in before startup? *Time sheet.Pipe lengths.Installation check list and the Control check list.When running communication wiring the wire should be _________GA shielded stranded wire? *18ga20ga24ga16gaWhen 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.YesWhen vacuuming out the pipe work what ports do you connect too? *LiquidSuctionBothWhat rotary switch do you use to set the amount of indoor units? *ENC5ENC3ENC4I will practice what I have learned today to the best of my ability to represent my industry as a professional. *YesNoQ1 PointsSet calculation: 1 point if Q1 equals ’64’, else 0.Q2 PointsSet calculation: 1 point if Q2 equals ‘Heat Pump and Heat Recovery’, else 0.Q3 PointsSet calculation: 1 point if Q3 equals ‘Outdoor unit, Indoor unit, Flow selector box and controls’, else 0.Q4 PointsSet calculation: 1 point if Q4 equals ‘Scroll’, else 0.Q5 PointsSet calculation: 1 point if Q5 equals ‘131 Ft.’, else 0.Q6 PointsSet calculation: 1 point if Q6 equals ‘1’, else 0.Q7 PointsSet calculation: 1 point if Q7 equals ‘Third party thermostats.’, else 0.Q8 PointsSet calculation: 1 point if Q8 equals ’18-2 or 16-2 stranded shielded.’, else 0.Q9 PointsSet calculation: 1 point if Q9 equals ‘Installation check list and the Control check list.’, else 0.Q10 PointsSet calculation: 1 point if Q10 equals ’16ga’, else 0.Q11 PointsSet calculation: 1 point if Q11 equals ‘Liquid’, else 0.Q12 PointsSet calculation: 1 point if Q12 equals ‘Horizontal’, else 0.Q13 PointsSet calculation: 1 point if Q13 equals ‘0 to 10 Degrees’, else 0.Q14 PointsSet calculation: 1 point if Q14 equals ‘Nitrogen’, else 0.Q15 PointsSet calculation: 1 point if Q15 equals ‘Yes’, else 0.Q16 PointsSet calculation: 1 point if Q16 equals ‘Both’, else 0.Q17 PointsSet calculation: 1 point if Q17 equals ‘ENC5’, else 0.Q18 PointsSet calculation: 1 point if Q18 equals ‘Yes’, else 0.Total PointsEnable calculation and sum all Q# Points fields.Score PercentEnable calculation: ($F37 / 18) * 100Submit
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