Bryant 345MAV instruction manual 7001, 775, 8000, Only 8001, 9000, Only 9001

Page 36

 

 

TABLE 7ÐMODEL 345MAV ORIFICE SIZE AND MANIFOLD PRESSURE FOR CORRECT INPUT

Continued

 

(TABULATED DATA BASED ON 20,000 BTUH PER BURNER, DERATED 2% FOR EACH 1000 FT ABOVE SEA LEVEL) *

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ALTITUDE

AVG GAS

 

 

 

 

 

SPECIFIC GRAVITY OF NATURAL GAS

 

 

 

 

 

 

HEAT VALUE

 

0.58

 

0.60

 

0.62

0.64

 

0.66

 

 

 

RANGE

 

 

 

 

 

 

 

(FT)

AT ALTITUDE

Orifice

 

Manifold

Orifice

 

Manifold

Orifice

 

Manifold

Orifice

Manifold

Orifice

 

Manifold

 

 

 

(BTU/CU FT)

 

 

 

 

 

 

 

 

No.

 

Pressure

No.

 

Pressure

No.

 

Pressure

No.

Pressure

No.

 

Pressure

 

 

 

 

625

43

 

3.8

42

 

3.3

42

 

3.4

42

3.5

42

 

3.6

 

 

 

 

650

43

 

3.5

43

 

3.7

43

 

3.8

42

3.2

42

 

3.3

 

Only

 

 

675

44

 

3.8

43

 

3.4

43

 

3.5

43

3.6

43

 

3.7

 

 

7001

700

44

 

3.5

44

 

3.6

44

 

3.8

43

3.4

43

 

3.5

 

 

 

 

 

 

 

 

U.S.A.

 

 

725

44

 

3.3

44

 

3.4

44

 

3.5

44

3.6

44

 

3.7

 

 

to

775

45

 

3.5

45

 

3.6

45

 

3.7

45

3.8

44

 

3.3

 

 

 

750

45

 

3.7

45

 

3.8

44

 

3.3

44

3.4

44

 

3.5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8000

800

45

 

3.3

45

 

3.4

45

 

3.5

45

3.6

45

 

3.7

 

 

 

 

825

45

 

3.1

45

 

3.2

45

 

3.3

45

3.4

45

 

3.5

 

 

 

 

850

45

 

2.9

45

 

3.0

45

 

3.1

45

3.2

45

 

3.3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ALTITUDE

AVG GAS

 

 

 

 

 

SPECIFIC GRAVITY OF NATURAL GAS

 

 

 

 

 

 

HEAT VALUE

 

0.58

 

0.60

 

0.62

0.64

 

0.66

 

 

 

RANGE

 

 

 

 

 

 

 

(FT)

AT ALTITUDE

Orifice

 

Manifold

Orifice

 

Manifold

Orifice

 

Manifold

Orifice

Manifold

Orifice

 

Manifold

 

 

 

(BTU/CU FT)

 

 

 

 

 

 

 

 

No.

 

Pressure

No.

 

Pressure

No.

 

Pressure

No.

Pressure

No.

 

Pressure

 

 

 

 

600

43

 

3.8

42

 

3.3

42

 

3.4

42

3.5

42

 

3.6

 

 

 

 

625

43

 

3.5

43

 

3.6

43

 

3.8

42

3.2

42

 

3.3

 

Only

 

8001

650

44

 

3.7

43

 

3.4

43

 

3.5

43

3.6

43

 

3.7

 

 

 

675

44

 

3.5

44

 

3.6

44

 

3.7

44

3.8

43

 

3.4

 

 

 

 

 

 

 

 

 

U.S.A.

 

to

700

44

 

3.2

44

 

3.3

44

 

3.4

44

3.6

44

 

3.7

 

 

 

725

45

 

3.6

45

 

3.8

44

 

3.2

44

3.3

44

 

3.4

 

 

 

 

 

 

 

 

 

 

 

9000

750

45

 

3.4

45

 

3.5

45

 

3.6

45

3.8

44

 

3.2

 

 

 

 

775

45

 

3.2

45

 

3.3

45

 

3.4

45

3.5

45

 

3.6

 

 

 

 

800

45

 

3.0

45

 

3.1

45

 

3.2

45

3.3

45

 

3.4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ALTITUDE

AVG GAS

 

 

 

 

 

SPECIFIC GRAVITY OF NATURAL GAS

 

 

 

 

 

 

HEAT VALUE

 

0.58

 

0.60

 

0.62

0.64

 

0.66

 

 

 

RANGE

 

 

 

 

 

 

 

(FT)

AT ALTITUDE

Orifice

 

Manifold

Orifice

 

Manifold

Orifice

 

Manifold

Orifice

Manifold

Orifice

 

Manifold

 

 

 

(BTU/CU FT)

 

 

 

 

 

 

 

 

No.

 

Pressure

No.

 

Pressure

No.

 

Pressure

No.

Pressure

No.

 

Pressure

 

 

 

 

575

43

 

3.8

42

 

3.2

42

 

3.3

42

3.5

42

 

3.6

 

 

 

 

600

43

 

3.5

43

 

3.6

43

 

3.7

42

3.2

42

 

3.3

 

Only

 

9001

625

44

 

3.7

44

 

3.8

43

 

3.5

43

3.6

43

 

3.7

 

 

 

650

44

 

3.4

44

 

3.5

44

 

3.7

44

3.8

43

 

3.4

 

 

 

 

 

 

 

 

 

U.S.A.

 

to

675

45

 

3.8

44

 

3.3

44

 

3.4

44

3.5

44

 

3.6

 

 

 

700

45

 

3.6

45

 

3.7

45

 

3.8

44

3.3

44

 

3.4

 

 

 

 

 

 

 

 

 

 

 

10,000

725

45

 

3.3

45

 

3.4

45

 

3.6

45

3.7

45

 

3.8

 

 

 

 

750

45

 

3.1

45

 

3.2

45

 

3.3

45

3.4

45

 

3.5

 

 

 

 

775

45

 

2.9

45

 

3.0

45

 

3.1

45

3.2

45

 

3.3

* Orifice numbers shown in BOLD are factory installed.

Ð36Ð

Image 36
Contents Electrostatic Discharge ESD Precautions Ð1ÐDimensions → ÐDimensional DrawingÐ2Ð Unit SizeSafety Considerations Electrostatic Discharge ESD PrecautionsMinimum Inches Clearance to Combustible Construction → ÐClearances to CombustiblesIntroduction Applications GeneralII. Upflow Applications Condensate Trap Location Factory-Shipped OrientationÐ5Ð Condensate Trap Location Alternate Upflow OrientationPressure Switch Tubing Ð6ÐCondensate Trap Field Drain Attachment Condensate Trap Freeze Protection III. Downflow ApplicationsCondensate Trap Location Condensate Trap TubingIV. Horizontal Left SUPPLY-AIR Discharge Applications Ð8ÐHorizontal Right SUPPLY-AIR Discharge Applications Construct a Working PlatformÐ9Ð ÐAttic Location and Working Platform Front Upflow or Downflow Horizontal II. Furnace Location Relative to Cooling Equipment III. Hazardous Locations AIR for Combustion and Ventilation GeneralII. Unconfined Space III. Confined SpaceInstallation Leveling Legs if Desired Combustion AIR from Outdoors Through Vertical DuctsCombustion AIR from Outdoors Through Horizontal Ducts II. Installation on a Concrete Slab Opening DimensionsFurnace Casing Width IV. Installation in Horizontal Applications AIR DuctsGeneral Requirements Ductwork acoustical treatmentReturn Air Connections VI. Filter ArrangementÐfilter Information VII. Bottom Closure PanelVIII. GAS Piping 171⁄2-IN. Wide Casings onlyÐmaximum Capacity of Pipe CU FT PER HR Electrical ConnectionsNominal Length of Pipe FT Iron Internal Diameter Size Wiring Length FT³ CKT BKR Amps PhaseÐelectrical Data Amps SizeÐWiring Diagram II -V Wiring III. AccessoriesVenting Removal of Existing Furnaces from Common Vent SystemsII. COMBUSTION-AIR and Vent Piping GeneralCombustion Air Pipe ÐCombustion-Air Inlet Pipe Assembly Ðmaximum Allowable Vent Pipe Length FT 3001 to4001 to 5000² Ðmaximum Allowable Vent Pipe Length FT 5001 to 6000²6001 to 7000² 7001 to 8000²ÐShort Vent 5 to 8 Ft System 9001 to 10,000²Vent Extension Pipe 040 060 080 100 120III. Vent Termination IV. MultiventingCondensate Drain General Ðvent Pipe Termination ClearancesÐRoof Termination Preferred Heating Mode II. Cooling ModeIII. Continuous Blower Mode IV. Heat Pump ModeSTART-UP Procedures General Component TestComponent Test Sequence II. Prime Condensate Trap with Water→ ÐInducer Housing Drain Tube IV. AdjustmentsIII. Purge GAS Lines Set Gas Input RateBTU/CU FT AltitudeOnly 40015000 Only 50017001 7758000 Only 8001Ðaltitude Derate Multiplier for U.S.A ExampleAltitude Derate Multiplier Factor for U.S.A Set Temperature Rise Blower Off Delay Heat ModeÐgas Rate CU FT/HR ±SPEED SelectorCheck Safety Controls Check Primary Limit Control II. Check Pressure SwitchChecklist Checklistðinstallation CHECKLISTÐSTART-UPLoad Calculation Vent Piping
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345MAV specifications

The Bryant 345MAV is a premier choice in the realm of residential heating and cooling systems, encapsulating advanced technologies, high efficiency, and remarkable performance. Designed for homeowners seeking reliability and comfort, this model exemplifies modern HVAC (Heating, Ventilation, and Air Conditioning) innovations.

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Comfort also extends to the user experience with the inclusion of a smart thermostat option. This integration allows homeowners to manage their heating and cooling systems remotely, enhancing convenience and control. Programmable settings can optimize energy use based on individual schedules, facilitating both comfort and savings.

In summary, the Bryant 345MAV is a top-tier solution for residential climate control, blending energy efficiency, innovative technology, and unmatched reliability. With its variable-speed operation, environmentally friendly refrigerant, and smart features, the 345MAV represents a significant advancement in the HVAC field. Homeowners investing in this model can expect a system that not only meets their heating and cooling needs but exceeds them in terms of efficiency and comfort.