Bryant 286A - Manual

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Page 2 – Check Equipment and Job Site; Unpack Unit; Install on a Solid, Level Mounting Pad; UNIT BASE PAN; Clearance Requirements
Page 3 – CAUTION; Make Piping Connections; WARNING; Outdoor Unit Connected to Factory--Approved Indoor
Page 5 – Make Electrical Connections
Page 6 – ELECTRICAL SHOCK HAZARD; Compressor Crankcase Heater; NOTE; Install Accessories
Page 7 – Follow these steps to properly start up the system:; System Functions and Sequence of Operation; Cooling and Heating Operation
Page 9 – Evolution Controlled low ambient cooling:; Defrost
Page 10 – Check Charge; Heating Check Chart Procedure
Page 13 – THERMISTOR CURVE; IMPORTANT; Thermistor Sensor Comparison; Table 5 – Two--Stage Compressor Resistances
Page 14 – Status Codes; EXAMPLE; OPERATION
Page 15 – Variable Speed Furnace and 2-- Stage Heat Pump

Loading the manual

Installation Instruction

286A / 288A

Evolution

Series Heat Pumps 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 286A and 288A series units.

Information that is unique to the 286A series will be identified as
such; likewise information that is unique to the 288A 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. WARNING signifies hazards which

could

result in

personal injury or death. CAUTION is used to identify unsafe

practices which

would

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.

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.

CAUTION

Indoor Thermostat Control Options

Model

Evolution

Control

Standard

2 --- stage

Thermostat

286A

Yes

288A

Yes

Yes*

* Units containing circuit board HK38EA015 or newer.

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

and install a lockout tag. 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

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

refrigerant equipment.

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Summary

Page 2 - Check Equipment and Job Site; Unpack Unit; Install on a Solid, Level Mounting Pad; UNIT BASE PAN; Clearance Requirements

2 INSTALLATION RECOMMENDATIONS NOTE : In some cases noise in the living area has been traced to gas pulsations from improper installation of equipment. 1. Locate unit away from windows, patios, decks, etc. where unit operation sound may disturb customer. 2. Ensure that vapor and liquid tube diameter...

Page 3 - CAUTION; Make Piping Connections; WARNING; Outdoor Unit Connected to Factory--Approved Indoor

3 Operating Ambient The minimum outdoor operating ambient in cooling mode is55 _ F/12.78 _ C without low ambient cooling enabled, and the maximum outdoor operating ambient in cooling mode is 125 _ F/51.67 _ C. On Evolution communicating systems only (for both 286A and 288A), low ambient cooling is a...

Page 5 - Make Electrical Connections

5 Install Liquid--Line Filter Drier Indoor Refer to Fig. 3 and install filter drier as follows: 1. Braze 5--in. (127 mm) liquid tube to the indoor coil.2. Wrap filter drier with damp cloth.3. Braze filter drier to above 5--in. (127 mm) liquid tube. Flow arrow must point towards indoor coil. 4. Conne...