Bryant 189BNV EVOLUTION Скачать руководство пользователя страница 23

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Flash Code

Type

Amber LED Description

Reset

Time

Mode

Possible Causes

Actions

System

Malfunction

HIGH PRESSURE LOCK-

OUT FOR 4 HOURS

(Elevated from fault code

31 when the stage (speed)

can no longer be lowered)

4 Hours

Both

Outside Normal Op-

erating Range (e.g.

improper load cal-

culation, system

match issue, outside

cooling range, out-

side heating range

etc.)

Consult Application Guidelines

Both

Service Valve left

closed (Liquid or

Vapor)

Ensure Service Valves are open

Both

Loose High Pres-

sure Switch harness

leads

Check HPS harness

Both

Pressure Switch dis-

connected from

ODU Control Board

Check HPS connection on ODU control

Cool

Outdoor Airflow too

low or off

Check Outdoor Coil for clogging (ice or

debris) and clean or de---ice if necessary;

Troubleshoot Outdoor fan motor and

make sure it is working; follow Outdoor

Airflow troubleshooting instruction

Cool

Overcharged Sys-

tem

Check system charge using Cooling

Charging Mode (follow proper charging

procedures)

Heat

Indoor Airflow too

low or off

Check Indoor for clogging (ice or debris)

and clean or de---ice if necessary; Trou-

bleshoot Indoor fan motor and make sure

it is working; follow Indoor Airflow trou-

bleshooting instruction

Both

Restriction due to

debris leading to

Overcharge when

charging

Clean System (refer to application guide-

line) and replace filter drier

Both

Restriction in EXV

plus Long Line Ap-

plication leading to

Overcharge when

charging in Cooling

mode

If long line, troubleshoot EXV

Both

Non ---condensable

leading to high load

Clean System (refer to application guide-

line) and 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

less than 610 +/--- 20 psig and switch is

open (measure resistance) then replace

pressure switch

Heat

Electric Heater plus

Heat pump applica-

tion: Electric Heater

stuck on

If User Interface is not requesting Electric

Heat check for heater relays, if on trou-

bleshoot Electric Heater

Heat

Furnace plus Heat

pump application:

Furnace stuck on

If not in Defrost and Furnace is running

same time as heat pump, troubleshoot

Furnace

Heat

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

Both

Expansion Device

Restriction

Troubleshoot TXV
Troubleshoot EXV

Heat

Overcharged Sys-

tem

Check charge in cooling (if in Cooling

Charge Mode Ambient Range), if low add

charge using Charging Mode (follow

proper charging procedures); if out side

cooling charge mode range, pull out

charge, weigh in using heating charge

mode

Heat

Reversing Valve

Stuck in Cooling

troubleshoot reversing valve

System

Malfunction

FAN INVERTER TEMP

LOCKOUT

(Elevated from fault code

62 after 3 occurrences)

15 min-

utes

Both

Unusual loading of

the fan

Troubleshoot outdoor fan motor & blade

and make sure they are working

Check for fan outlet blockage due to

snow/ice etc.

Improper airflow

across inverter heat

sink

Inspect outdoor coil for obstructions

Both

Inverter damage

Replace inverter

Содержание 189BNV EVOLUTION

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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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