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Bryant 189BNV EVOLUTION, Installation Instructions Manual

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Bryant 189BNV EVOLUTION Installation Instructions Manual Download Page 7

7

O

O

RVS Cooling

O/B W2

W1

W1

Heat Stage 3

W/W1

W2

Heat/Cool Stage 1

Y1 / W2

Y1

Y1

Heat/Cool Stage 2

Y/Y2

Y/Y2

Y2

Fan

G

G

24VAC Hot Heating

Rh

R

24VAC Hot Cooling

Rc

Dry Contact 1

D1

Dry Contact 2

D2

DH

24VAC Common

C

C

Humidify

HUM

Outdoor Air Temp

OAT

Remote Room Sensor

RRS

OAT/RRS Com

SRTN

Thermidistat

Fan Coil

A/C

Outdoor Sensor

Humidifier Solenoid 

Valve

Remote Room 

Sensor

J1 Jumper 
on Control Board

C

R

Jumper Wire
Required for 
Single-Stage

A14269AC

Thermidistat

Furnace

A/C

O

RVS Cooling

O/B W2

W2

Heat Stage 3 

(furnace)

W/W1

W/W1

W1

Heat/Cool Stage 1

Y1 / W2

Y1

Heat/Cool Stage 2

Y/Y2

Y/Y2

Y2

Fan

G

G

24VAC Hot Heating

Rh

R

24VAC Hot Cooling

Rc

Dry Contact 1

D1

Dry Contact 2

D2

DHUM

24VAC Common

C

COM

Humidify

HUM

Outdoor Air Temp

OAT

Remote Room Sensor

RRS

OAT/RRS Com

SRTN

Outdoor Sensor

Humidifier Solenoid 

Valve

Remote Room 

Sensor

Y1

C

J1 Jumper 
on Control Board

R

Jumper Wire
Required for 
Single-Stage

A14029AC

Fig. 7 -- Low Voltage Wiring (Non--Communicating)

Summary of Contents for 189BNV EVOLUTION

Page 1: ...Install on Solid Level Mounting Pad 3 Step 3 Clearance Requirements 4 Step 4 Operating Ambient 4 Step 5 Elevate Unit 4 Step 6 Making Piping Connections 4 Step 7 Make Electrical Connections 5 Step 8 Compressor Internal Crankcase Heater 8 Step 9 Install Accessories 8 Step 10 Start Up 8 Step 11 System Functions and Sequence of Operation 10 Step 12 Check Charge 10 Step 13 Pumpdown Evacuation 13 MAJOR ...

Page 2: ...gerant equipment WARNING ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death Before installing modifying or servicing system main electrical disconnect switch must be in the OFF position There may be more than 1 disconnect switch Lock out and tag switch with a suitable warning label Indoor Thermostat Control Options Model Evolutionr Connex Control Standa...

Page 3: ...quid line filter drier Obtain replacement filter driers from your distributor or branch INSTALLATION Specifications for this unit in residential new construction market require the outdoor unit indoor unit including metering device refrigerant tubing sets and filter drier listed in pre sale literature There can be no deviation Consult the Service Manual Air Conditioners and Heat Pumps Using Puron ...

Page 4: ...ing adverse weather conditions Step 6 Make Piping Connections WARNING PERSONAL INJURY AND UNIT DAMAGE HAZARD Failure to follow this warning could result in personal injury or death Relieve pressure and recover all refrigerant before system repair or final unit disposal Use all service ports and open all flow control devices including solenoid valves CAUTION UNIT DAMAGE HAZARD Failure to follow thi...

Page 5: ...ure to follow this caution may result in equipment damage or improper operation Never use the system compressor as a vacuum pump Refrigerant tubes and indoor coil should be evacuated using the recommended deep vacuum method of 500 microns The alternate triple evacuation method may be used See Service Manual for triple evacuation method Always break a vacuum with dry nitrogen prior to opening the r...

Page 6: ...cting 189BNV models to non communicating 2 stage thermostats Use Fig 7 For required connections Unit is configured by factory for Evolution communicating control To wire unit for non communicating control disconnect the green GN and yellow YL wires from 4 pin green communication plug and connect appropriate wires to low voltage terminal block Use wire nuts to attach thermostat wire to LVCH harness...

Page 7: ...Jumper on Control Board C R Jumper Wire Required for Single Stage A14269AC Thermidistat Furnace A C O RVS Cooling O B W2 W2 Heat Stage 3 furnace W W1 W W1 W1 Heat Cool Stage 1 Y1 W2 Y1 Heat Cool Stage 2 Y Y2 Y Y2 Y2 Fan G G 24VAC Hot Heating Rh R 24VAC Hot Cooling Rc Dry Contact 1 D1 Dry Contact 2 D2 DHUM 24VAC Common C COM Humidify HUM Outdoor Air Temp OAT Remote Room Sensor RRS OAT RRS Com SRTN ...

Page 8: ...h non communicating furnaces set airflows to 350 400 cfm nominal ton in high stage and 70 80 percent of high stage airflow in low stage Step 9 Install Accessories No refrigeration circuit accessories are required or are available for installation within the unit External to the unit the same accessories such as support feet snow rack wind baffle etc available on other Bryant units can also be used...

Page 9: ... Select Line Set Length Vapor Line Diameter CAUTION UNIT OPERATION HAZARD Failure to follow this caution may result in improper unit operation For new installations only Add additional refrigerant due to indoor coil line set and vapor line settings Outdoor unit is pre charged with weight of refrigerant shown on rating plate A14571 Fig 13 Weigh In Value 4 Add additional required charge for line set...

Page 10: ...e ramp up results in no locked rotor amps to the compressor motor The unit nameplate for compressor LRA will be stamped N A not applicable During operation the AOC monitors itself and the compressor operation along with the system pressures and temperatures The MOC board monitors the temperature current and operational status of the compressor OD fan and the inverter itself During operation the co...

Page 11: ...es to stabilize before declaring a properly charged system If the indoor temperature is below 70 F 21 11 C or the outdoor temperature is not in the favorable range adjust charge for line set length above or below 15ft 4 57 m and indoor fan coil furnace coil per Table 4 Charge level should then be appropriate for the system to achieve rated capacity The charge level should then be checked at anothe...

Page 12: ...ng Mode 189BNV024B Fig 20 Charging in Cooling Mode 189BNV025 Fig 21 Charging in Cooling Mode 189BNV036 Fig 22 Charging in Cooling Mode 189BNV037 Fig 23 Charging in Cooling Mode 189BNV048 Fig 24 Charging in Cooling Mode 189BNV049 Fig 25 Charging in Cooling Mode 189BNV060 ...

Page 13: ...etion of the procedure 2 Force system to operate in high stage by creating a large differential between room temperature and set point on thermostat Use multi meter to verify that 24 VAC is present between C and Y1 and Y2 terminals at outdoor unit 3 Close the liquid service valve 4 The unit will continue to run until high or low pressure switches open Close vapor service valve once compressor shut...

Page 14: ...ound may be heard during the equalization process This is normal TROUBLESHOOTING Systems Communication Failure If communication is lost with the User Interface UI the control will flash the appropriate fault code see Table 6 Check the wiring to the User Interface and the indoor and outdoor units and power Model Plug Each control board contains a model plug The correct model plug must be installed ...

Page 15: ...rol Fault If the outdoor unit control board has failed the control will flash the appropriate fault code see Table 6 The control board should be replaced Brown Out Protection If the line voltage is less than 187V for at least 4 seconds the Compressor and OD fan goes to 0 rpm Compressor and fan operation are not allowed until voltage is a minimum of 190V The control will flash the appropriate fault...

Page 16: ...l and distributor See Fig 30 for proper placement See Table 4 for proper resistances A14328 Fig 30 Outdoor Coil Thermistor OCT Attachment On Distributor Tube OAT Thermistor must be locked in place with spherical nib end facing towards the front of the control box A11142 Fig 31 OAT Thermistor Location Bottom of Control Box Suction Thermistor OST Suction Thermistor is used to accurately measure suct...

Page 17: ...the two holes in outer ring need to be full of RTV sealant CAUTION Fan Motor If verification of proper operation is required for the fan motor used in this unit follow these steps 1 Disconnect fan motor connector from control board 2 Measure resistance between any 2 of the 3 leads present 3 Compare measurement to values below Fan Motor Resistance Unit Size Resistance Ohms 13 24B 21 2 25 36 37 48 4...

Page 18: ...18 Utility Relay A13414 Fig 34 Variable Speed Control Board with optional Utility Relay ...

Page 19: ...on 6 Min utes Both Loose or discon nected harness Hardness between AOC PL20 and MOC Verify good harness connection Radio or Electrical noise System will try to self mitigate with re peated start attempts Possible damage to inverter change out the Inverter drive 46 Local BROWNOUT EVENT 6 Min utes Both low line voltages if persistent contact power provider 48 System Malfunction LOST INVERTER COMMU N...

Page 20: ...e valve see transducer measurement chart replace transducer 59 Local DISCHARGE TEMP OUT OF RANGE EVENT elevates to fault code 74 after 3 occurrences 6 Min utes Both See fault 74 Same actions for 74 61 Local FAN INVERTER FAULT elevates to fault code 76 after 5 occurrences 6 Min utes Both OFM failed to start Troubleshoot outdoor fan motor blade and make sure they are working Fan motor misalign ment ...

Page 21: ...sses Trouble shoot the TXV Power Cycle system is EXV moving on power up audible 75 Local MAXIMUM POWER MODE TEMP Temporary RPM reduction or stage lower ing will result NA Both Outdoor Airflow too low or off Check ODU coil for clogging ice or de bris and clean if necessary Troubleshoot ODU fan motor and make sure it is work ing Blocked Inverter Heat Exchanger fins Check Inverter fins for debris and...

Page 22: ...ting instruction Cool Restriction in Filter Drier plus Long Line Application and filter drier on Indoor Unit Clean System refer to application guide line and replace filter drier Cool Restriction due to debris Clean System refer to application guide line and replace filter drier Cool Restriction in Cir cuits or Tubing Check kinks and straighten or replace cir cuits Heat Troubleshoot EXV see guide ...

Page 23: ...d replace filter drier Cool Restriction in Filter Drier plus Long Line Application and filter drier on Outdoor Unit Clean System refer to application guide line and replace filter drier Cool Restriction in EXV plus Overcharge troubleshoot EXV Cool Restriction in Cir cuits or Tubing Check kinks and straighten or replace cir cuits Both Faulty Pressure Switch Check Discharge pressure with gauge if le...

Page 24: ...o fault 96 94 Local 230VAC OVER VOLTAGE EVENT elevates to fault code 97 after 5 occurrences 5 Min utes Both Occurs when in coming voltage is more than 253 VAC System will try to ride through voltage spikes possibly caused by weather event and self recover in trip condition persistent over voltage trips will lead to fault 97 95 System Malfunction COMPRESSOR OVER CURRENT LOCKOUT Elevated from fault ...

Page 25: ...alfunction HIGH TORQUE LOCKOUT Elevated from fault code 98 when 98 occurs at low est stage 2 hours Both Miswire Check miswire of compressor leads at terminals U V W Both Refrigerant over charge Check refrigerant amount Both Outdoor Airflow too low or off Check ODU coil for clogging ice or de bris and clean if necessary Troubleshoot ODU fan motor and make sure it is work ing Both Expansion Device R...

Page 26: ...sig low side retard S Use hoses with 700 psig service pressure rating S Leak detectors should be designed to detect HFC refrigerant S Puron refrigerant as with other HFCs is only compatible with POE oils S Vacuum pumps will not remove moisture from oil S Do not use liquid line filter driers with rated working pressures less than 600 psig S Do not leave Puron refrigerant suction line filter driers ...

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