Table of Contents
Advertisement
180A, 187A
Evolutionr Line Air Conditioners
with Puron Refrigerant
2 to 5 Nominal Tons (Sizes 024 to 060)
NOTE: Read the entire instruction manual before starting the
installation.
Unless otherwise noted, information in these installation
instructions pertain to both 180A and 187A series units.
Information that is unique to the 180A series will be identified as
such; likewise information that is unique to the 187A series will
also be identified.
SAFETY CONSIDERATIONS
Improper installation, adjustment, alteration, service, maintenance,
or use can cause explosion, fire, electrical shock, or other
conditions which may cause death, personal injury, or property
damage. Consult a qualified installer, service agency, or your
distributor or branch for information or assistance. The qualified
installer or agency must use factory- -authorized kits or accessories
when modifying this product. Refer to the individual instructions
packaged with the kits or accessories when installing.
Follow all safety codes. Wear safety glasses, protective clothing,
and work gloves. Use quenching cloth for brazing operations.
Have fire extinguisher available. Read these instructions
thoroughly and follow all warnings or cautions included in
literature and attached to the unit. Consult local building codes and
current editions of the National Electrical Code (NEC) NFPA 70.
In Canada, refer to current editions of the Canadian electrical code
CSA 22.1.
Recognize safety information. This is the safety- -alert symbol
When you see this symbol on the unit and in instructions or
manuals, be alert to the potential for personal injury.
Understand these signal words; DANGER, WARNING, and
CAUTION. These words are used with the safety- -alert symbol.
DANGER identifies the most serious hazards which will result in
severe personal injury or death.
which could result in personal injury or death. CAUTION is used
to identify unsafe practices which may result in minor personal
injury or product and property damage. NOTE is used to highlight
suggestions which will result in enhanced installation, reliability, or
operation.
CAUTION
!
CUT HAZARD
Failure to follow this caution may result in personal injury.
Sheet metal parts may have sharp edges or burrs. Use care and
wear appropriate protective clothing and gloves when handling
parts.
Installation Instructions
! !
WARNING signifies hazards
Indoor Thermostat Control Options
Model
187A
180A
* Units containing circuit board HK38EA015 or newer.
!
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.
WARNING
!
.
UNIT OPERATION AND SAFETY HAZARD
Failure to follow this warning could result in personal injury,
death and/or equipment damage.
Puron refrigerant systems operate at higher pressures than
standard R- -22 systems. Do not use R- -22 service equipment
or components on Puron equipment.
Evolution
Standard 2--- stage
Control
Thermostat
Yes
Yes
WARNING
Yes
Yes*
Advertisement
Table of Contents
Related Manuals for Bryant Evolution 180A
Summary of Contents for Bryant Evolution 180A
-
Page 1: Installation Instructions
180A, 187A Evolutionr Line Air Conditioners with Puron Refrigerant 2 to 5 Nominal Tons (Sizes 024 to 060) Installation Instructions NOTE: Read the entire instruction manual before starting the Indoor Thermostat Control Options installation. Evolution Standard 2--- stage Unless otherwise noted, information in these installation Model Control Thermostat... -
Page 2: Installation Recommendations
INSTALLATION RECOMMENDATIONS can be no deviation. Consult the Application Guideline and Service Manual – Air Conditioners and Heat Pumps Using Puron NOTE: In some cases noise in the living area has been traced to Refrigerant to obtain required unit changes for specific applications gas pulsations from improper installation of equipment. -
Page 3: Operating Ambient
On rooftop applications, locate unit at least 6 in. (152.4 mm) above CAUTION roof surface. Operating Ambient UNIT DAMAGE HAZARD The minimum outdoor operating ambient in cooling mode is Failure to follow this caution may result in equipment 55_F/12.78_C without low ambient cooling enabled, and the damage or improper operation. - Page 4 Table 2 – Accessory Usage REQUIRED FOR REQUIRED FOR SEA COAST LOW --- AMBIENT COOLING REQUIRED FOR LONG LINE Accessory APPLICATIONS APPLICATIONS APPLICATIONS* (Within 2 miles/3.22 km) (Below 55°F/12.8_C) Accumulator Compressor Start Assist Capacitor and Standard on 187A models. Standard on 187A models. Standard on 187A models.
-
Page 5: Electrical Shock Hazard
Refrigerant tubes and indoor coil should be evacuated using the WARNING 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 ELECTRICAL SHOCK HAZARD nitrogen._ Failure to follow this warning could result in personal Deep Vacuum Method... -
Page 6: Make Airflow Selections
15 minutes. Check system refrigerant charge. recommended airflow, refer to the FV4 Installation Instructions. NOTE: Non- -communicating (non- -Evolution) Bryant electronic The FV4 utilizes an Easy Select control board that allows the installing technician to select proper airflows. For adjustments to thermostats are equipped with a 15- -minute staging timer. -
Page 7: Utility Interface
System Functions And Sequence Of Operation products. The green LED will remain OFF until communications is established. Once a valid command is received, the green LED will The outdoor unit control system has special functions. The turn ON continuously. If no communication is received within 2 following is an overview of the 2- -stage control functions: minutes, the LED will be turned OFF until the next valid Cooling Operation... -
Page 8: Crankcase Heater Operation
Compressor Operation on 180A Models In low ambient cooling (below 55_F/12.78_C) on 187A and 180A models, the control board cycles the fan off and on. The basic scroll design has been modified with the addition of an Time Delays internal unloading mechanism that opens a by- -pass port in the first compression pocket, effectively reducing the displacement of the The unit time delays include: scroll. -
Page 9: Check Charge
Check Charge Table 4 – Model Plug Information PIN RESISTANCE All 180A and 187A units must be charged in high stage only. MODEL MODEL PLUG (K--- ohms) NUMBER Factory charge amount and desired subcooling are shown on unit NUMBER Pins 1--- 4 Pins 2--- 3 rating plate. - Page 10 187A Models Only, Compressor Start Detection The control is shipped with the brownout active. The change in status is remembered until toggled to a new status. A power In low- -stage, if the specified start voltage at VR terminal is not down/power up sequence will not reset the status.
-
Page 11: Major Components
Table 5 – 2 ---Stage Compressor (Winding Resistance at 70_F ± 20_ / 21.11_C ± 11.11_C) Winding 187A024 187A036 187A048 187A060 Start (S---C) 2.74 1.98 1.55 0.74 Run (R ---C) 0.80 0.75 0.48 0.36 Winding 180A024 180A036 180A048 180A060 Start (S--- C) 1.40 1.29 1.52... -
Page 12: Final Checks
OAT Thermistor must be locked in OCT Thermistor must be place with spherical nib end facing to- secured tight on the liquid wards the front of the control box tube. Fig. 8 - - Outdoor Air Thermistor (OAT) Attachment Fig. 9 - - Outdoor Coil Thermistor (OCT) Attachment FINAL CHECKS CARE AND MAINTENANCE IMPORTANT: Before leaving job, be sure to do the following:... - Page 13 Status Codes between short flash and first long flash is 1.0 second. Time between code repeating is 2.5 seconds with LED OFF. Table 6 shows the status codes flashed by the amber status light. Count the number of short and long flashes to determine the Most system problems can be diagnosed by reading the status code appropriate flash code.
- Page 14 Two-Stage Variable Speed Variable Speed 2-Stage Thermidistat Air Conditioner Fan Coil Furnace Air Conditioner Thermidistat Heat Stage 2 O/B W2 RVS/Heat Stage 2 O/W2/B Heat Stage 1 W/W1 Heat Stage 1 W/W1 REMOVE J2 Cool Stage 1 Y1 / W2 JUMPER FOR Compressor Low HEAT STAGING...
- Page 15 Communicating AC//HP User Interface Fan Coil Humidifier A03076 Fig. 11 - - Evolution Furnace or Fan Coil Wiring with Communicating 2- -stage AC PURONR (R- -410A) REFRIGERANT QUICK REFERENCE GUIDE S Puron refrigerant operates at 50- -70 percent higher pressures than R- -22. Be sure that servicing equipment and replacement components are designed to operate with Puron refrigerant S Puron refrigerant cylinders are rose colored.
- Page 16 Catalog No. II180A ---06 E2009 Bryant Heating & Cooling Systems D 7310 W. Morris St. D Indianapolis, IN 46231 Printed in U.S.A. Edition Date: 07/09 Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.