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189BNV EVOLUTION
VARIABLE SPEED AIR CONDITIONER
WITH PURONr REFRIGERANT
NOTE: Read the entire instruction manual before starting the installation.
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R
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Installation Instructions
TABLE OF CONTENTS
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Summary of Contents for Bryant EVOLUTION V
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Page 1: Table Of Contents
189BNV EVOLUTION VARIABLE SPEED AIR CONDITIONER WITH PURONr REFRIGERANT Installation Instructions NOTE: Read the entire instruction manual before starting the installation. TABLE OF CONTENTS PAGE NO. SAFETY CONSIDERATIONS ..............INSTALLATION RECOMMENDATIONS . -
Page 2: Safety Considerations
IMPORTANT: Effective January 1, 2015, all split system and Indoor Thermostat Control Options packaged air conditioners must be installed pursuant to applicable Evolutionr Connex™ Standard Model Control Thermostat regional efficiency standards issued by the Department of Energy. Information in these installation instructions pertains only to 189BNV Yes* Yes**... -
Page 3: Installation
INSTALLATION 8. Do not suspend refrigerant tubing from joists and studs with a rigid wire or strap which comes in direct contact with tub- Specifications for this unit in residential new construction market ing (see Fig. 1). require the outdoor unit, indoor unit (including metering device), 9. -
Page 4: Step 3 - Clearance Requirements
Step 3 — Clearance Requirements CAUTION When installing, allow sufficient space for airflow clearance, wiring, refrigerant piping, and service. Allow 24 in. (609.6 mm) UNIT OPERATION HAZARD clearance to service end of unit and 48 in. (1219.2 mm) (above Failure to follow this caution may result in equipment unit. -
Page 5: Step 7 - Make Electrical Connections
Outdoor Unit Connected to Factory- - Approved Indoor Evacuate Refrigerant Tubing and Indoor Coil Unit CAUTION Outdoor unit contains correct system refrigerant charge for operation with factory- -approved, AHRI- -rated indoor units when connected by 15 ft. (4.57 m) of field- -supplied or factory- -accessory UNIT DAMAGE HAZARD tubing, and factory- -supplied filter drier. - Page 6 Connect Evolution Connex Control Wiring NOTE: Install branch circuit disconnect of adequate size per NEC to handle unit starting current. Locate disconnect within sight from Connect to Evolution connections. Only two wires (AB) or and readily accessible from unit, per Section 440- -14 of NEC. (GN,YL) to Evolution capable indoor unit (furnace or fan coil) are Route Ground and Power Wires required.
- Page 7 Thermidistat Fan Coil RVS Cooling O/B W2 Heat Stage 3 W/W1 Jumper Wire Heat/Cool Stage 1 Y1 / W2 Required for Single-Stage Heat/Cool Stage 2 Y/Y2 Y/Y2 24VAC Hot Heating 24VAC Hot Cooling J1 Jumper on Control Board Dry Contact 1 Dry Contact 2 24VAC Common Humidify...
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Page 8: Step 8 - Compressor Internal Crankcase Heater
Refrigerant Charging, then select Charging Cooling. accessories such as support feet, snow rack, wind baffle etc., available on other Bryant units, can also be used on this line of product. For models utilizing 23 inch x 23 inch base pans, it is recommended to use 5 support feet in order to fully support unit. - Page 9 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. A14567 Fig.
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Page 10: Step 11 - System Functions And Sequence Of Operation
Step 11 — System Functions and Sequence of The use of a commercial charge metering device (restrictor) such as Imperial liquid low side charger model 535- -C or Watsco Operation ChargeFaster model CH200 is recommended when adding 189BNV models utilize either Evolution Connex... - Page 11 Charging Non- - Communicating Systems For standard refrigerant line lengths (80ft/24.4 m or less), allow system to operate in cooling mode at least 25 minutes. If conditions Charging Procedure: Force system to operate in high stage are favorable, check system charge by subcooling method. If any cooling by creating a large differential between room temperature adjustment is necessary, adjust charge slowly and allow system to and set point on thermostat.
- Page 12 Fig. 18 - - Charging in Cooling Mode 189BNV013 Fig. 22 - - Charging in Cooling Mode 189BNV037 Fig. 19 - - Charging in Cooling Mode 189BNV024B Fig. 23 - - Charging in Cooling Mode 189BNV048 Fig. 20 - - Charging in Cooling Mode 189BNV025 Fig.
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Page 13: Step 13 - Pumpdown & Evacuation
Step 13 — Pumpdown & Evacuation Evacuation and recovery of refrigerant from 189BNV CAUTION 1. Connect gauges to 189BNV liquid and vapor service valve ports to monitor operating pressures during and at comple- ENVIRONMENTAL HAZARD tion of the procedure. Attach recovery system or vacuum pump to gauge set as needed for the service procedure. -
Page 14: Troubleshooting
TROUBLESHOOTING NOTE: The unit may be operated with an Evolution Connex Control or a standard 2- -stage thermostat. Evolution Connex Systems Communication Failure Control will utilize 5 stages cooling, while 2- -stage thermostat will If communication is lost with the User Interface (UI), the control only allow 2 discrete stages of cooling operation. - Page 15 Temperature Thermistors To use a service tool, connect the A and B communication bus wires from this second communicating control to the terminals Thermistors are electronic devices which sense temperature. As the marked A and B on the terminal strip located in the bottom left temperature increases, the resistance decreases.
- Page 16 Thermistor Sensor Comparison Suction Thermistor (OST) Suction Thermistor is used to accurately measure suction The control continuously monitors and compares the outdoor air temperature sensor and outdoor coil temperature sensor to ensure temperature and must be secured on the suction tube and aligned proper operating conditions.
- Page 17 Variable Speed Compressor Winding Resistance Fan Motor This compressor operates with 3- -phase variable frequency PWM If verification of proper operation is required for the fan motor variable voltage. For troubleshooting certain fault codes related to used in this unit, follow these steps: compressor resistances, follow these steps: 1.
- Page 18 Utility Relay A13414 Fig. 34 - - Variable Speed Control Board with optional Utility Relay...
- Page 19 Table 6 – Troubleshooting Reset Flash Code Type Amber LED Description Mode Possible Causes Actions Time ON, no flash Standby 1, pause Variable Capacity (2 sec ON), Variable Capacity (Range longer pause Cutback) (1 second OFF) Wrong Model Plug Verify correct model plug installed Installed Damaged Model Check model plug for corrosion or break-...
- Page 20 Reset Flash Code Type Amber LED Description Mode Possible Causes Actions Time Sensor Harness not connected to AOC Ensure plug is connected to AOC control control Check harness for continuity; see resis- Broken or loose tance chart to check resistance at given harness wire temperature COIL TEMP SENSOR...
- Page 21 Reset Flash Code Type Amber LED Description Mode Possible Causes Actions Time MOC is reporting Check compressor winding resistance or COMPRESSOR DROPPED 6 Min- Local Both that compressor miswire of compressor leads at terminals utes isn’t running U,V,W SUCTION OVER TEMPER- ATURE EVENT 15 Min- Local...
- Page 22 Reset Flash Code Type Amber LED Description Mode Possible Causes Actions Time Incorrect refrigerant Both Check refrigerant amount charge Uninsulated vapor Cool Insulate the vapor line line SUCTION OVER TEMP LOCKOUT Indoor TXV opera- System 4 Hours Cool Troubleshoot TXV (Elevated from fault code tion Malfunction...
- Page 23 Reset Flash Code Type Amber LED Description Mode Possible Causes Actions Time Outside Normal Op- erating Range (e.g. improper load cal- culation, system Both Consult Application Guidelines match issue, outside cooling range, out- side heating range etc.) Service Valve left Both closed (Liquid or Ensure Service Valves are open...
- Page 24 Reset Flash Code Type Amber LED Description Mode Possible Causes Actions Time Sudden supply volt- Investigate incoming voltage age change FAN INVERTER CURRENT System 5 min- LOCKOUT Sudden load Troubleshoot outdoor fan motor & blade Both Malfunction utes (Elevated from fault code change on fan/mo- and make sure they are working.
- Page 25 Reset Flash Code Type Amber LED Description Mode Possible Causes Actions Time HIGH TORQUE EVENT (Event will cause stage Local down and when stage is at Both Refer to 99 Refer to 99 lowest level, will elevate to fault code 99) Check miswire of compressor leads at Both Miswire...
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Page 26: Final Checks
S Observe all warnings, cautions, and bold text. S All indoor coils must be installed with a hard- -shutoff Puron refrigerant TXV metering device. Bryant Heating & Cooling Systems 7310 W. Morris St. Indianapolis, IN 46231 Edition Date: 01/16 Catalog No. II189BNV--- 05 Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
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