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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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Installation Instructions
TABLE OF CONTENTS
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Summary of Contents for Bryant EVOLUTION V 189BNV Series
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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 Evolution 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 4 - Operating Ambient
Step 4 — Operating Ambient Step 6 — Make Piping Connections The minimum outdoor operating ambient is 40_F (4.4_C) with WARNING Evolution Connex Control, 55_F (12.8_C) with non- -communicating systems. The maximum outdoor operating PERSONAL INJURY AND UNIT DAMAGE ambient is 115_F (46.1_C). Compressor protections will prevent HAZARD operation below minimum ambient temperature range. -
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 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 Furnace RVS Cooling O/B W2 Heat Stage 3 W/W1 W/W1 (furnace) 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 DHUM Dry Contact 2 24VAC Common...
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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 Green 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 – Fault Codes...
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Page 20: 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: 11/17 Catalog No. II189BNV--- 08 Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
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