Bryant 355M-40-5 III. Downflow Applications, Condensate Trap Location, Condensate Trap Tubing

Page 7

COLLECTOR BOX

DRAIN TUBE (BLUE)

CAP

PLUG

COLLECTOR BOX

TUBE (GREEN)

COLLECTOR BOX

TUBE (PINK)

COLLECTOR BOX

DRAIN TUBE (BLUE

& WHITE STRIPED)

COLLECTOR BOX

EXTENSION TUBE

CONDENSATE

TRAP

INDUCER HOUSING

DRAIN TUBE (VIOLET)

A94215

Fig. 7ÐDownflow Tube Configuration

(Left-Hand Trap Installation)

NOTE: See Fig. 5 or 6 or tube routing label on main furnace door to check for proper connections.

H.Condensate Trap Freeze Protection

Refer to Condensate Drain Protection section for recommenda- tions and procedures.

III.DOWNFLOW APPLICATIONS

A downflow furnace application is where furnace blower is located above combustion and controls section of furnace, and conditioned air is discharged downwards.

A.Condensate Trap Location

The condensate trap must be removed from the factory-installed blower shelf location and relocated in selected application location as shown in Fig. 2, 7, or 8.

To relocate condensate trap from the blower shelf to desired location, perform the following:

1.Remove 3 tubes connected to condensate trap.

2.Remove trap from blower shelf by gently pushing tabs inward and rotating trap.

3.Remove casing hole filler cap from casing hole. (See Fig. 2, 7, or 8.)

4.Install casing hole filler cap into blower shelf hole where trap was removed.

5.Install condensate trap into desired casing hole by inserting tube connection stubs through casing hole and rotating until tabs snap into locking position.

B.Condensate Trap Tubing

NOTE: See Fig. 7 or 8 or tube routing label on main furnace door to check for proper connections.

1. Collector Box Drain Tube

Ð7Ð

COLLECTOR BOX

TUBE (GREEN)

PLUG

CAP

COLLECTOR BOX

DRAIN TUBE (BLUE)

COLLECTOR BOX

TUBE (PINK)

COLLECTOR BOX

DRAIN TUBE (BLUE

& WHITE STRIPED)

COLLECTOR BOX

EXTENSION TUBE

INDUCER HOUSING

DRAIN TUBE

(VIOLET)

CONDENSATE

TRAP

COLLECTOR BOX

EXTENSION

DRAIN TUBE

DRAIN TUBE

COUPLING

A94216

Fig. 8ÐDownflow Tube Configuration

(Right-Hand Trap Installation)

a. Remove factory-installed plug from LOWER collector box drain tube (blue and white striped label).

b. Install removed clamp and plug into UPPER collector box drain tube (blue label) which was connected to condensate trap.

c. Connect LOWER collector box drain connection to condensate trap.

(1.) Condensate Trap Located on Left Side of Casing

(a.) Connect LOWER collector box drain tube (blue and white striped label) to condensate

 

 

trap. Tube does not need to be cut.

 

(b.)

Clamp tube to prevent any condensate leakage.

(2.)

Condensate Trap Located on Right Side of Casing

 

(a.)

Install drain tube coupling (factory-supplied in

 

 

loose parts bag) into collector box drain tube

 

 

(blue and white striped label) which was pre-

 

 

viously plugged.

 

(b.) Connect larger diameter drain tube (factory-

 

 

supplied in loose parts bag) to drain tube

 

 

coupling, extending collector box drain tube

→

 

for connection to condensate trap.

(c.)

Route extended collector box drain tube di-

 

 

rectly from collector box drain to condensate

 

 

trap as shown in Fig. 8.

 

(d.)

Determine appropriate length and cut.

 

(e.)

Connect to condensate trap.

 

(f.)

Clamp tube to prevent any condensate leakage.

2.Inducer Housing Drain Tube

a.Remove factory-installed cap and clamp from LOWER inducer housing drain connection.

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Contents ÐMultipoise Orientations Ð1ÐÐ2Ð DimensionsUnit Size → ÐClearances to Combustibles Safety ConsiderationsElectrostatic Discharge ESD Precautions Minimum Inches Clearance To Combustible ConstructionCondensate Trap Location Factory-Shipped Orientation IntroductionApplications General II. Upflow ApplicationsCondensate Trap Location Alternate Upflow Orientation Ð5ÐÐ6Ð Pressure Switch TubingCondensate Trap Field Drain Attachment Ð7Ð 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 Condensate Trap Tubing Location General ÐHorizontal Right Tube ConfigurationIII. Furnace Location Relative to Cooling Equipment II. LOW-FIRE only InstallationII. Installation in Upflow or Downflow Applications Installation Leveling Legs if DesiredIV. Hazardous Locations Furnace Plenum Opening Floor Opening Casing Ðopening DimensionsWidth ÐDuct Flanges III. Installation in Horizontal Applications→ ÐBottom Filter Arrangement IV. Filter ArrangementÐfilter Information Bottom Closure PanelElectrical Connections WiringVI. GAS Piping Ðmaximum Capacity of PipeII -V Wiring → ÐHeating and Cooling Application Wiring DiagramÐWiring Diagram Ðelectrical Data III. AccessoriesAmps Size II. COMBUSTION-AIR and Vent Piping Direct VentingRemoval of Existing Furnaces from Common Vent Systems NgpicOr doors which can be opened or Combustion-air opening ÐCOMBUSTION-AIR and Vent Pipe Termination ClearancesCombustion-Air and Vent Pipe Diameter Location Clearance FTCombustion-Air and Vent Pipe Attachment Example4001 to 5000³ Ðmaximum Allowable Pipe Length FT2001 to 3001 to8001 to 9000³ Ðmaximum Allowable Pipe Length FT6001 to 7000³ 7001 to 8000³Termination KIT Installation COMBUSTION-AIR Intake Housing Plug FittingIII. Concentric Vent and COMBUSTION-AIR ÐRoof Termination Preferred 042040 042060 042080 060080 060100 060120 Extended Exposed Sidewall PipesTwo-Pipe Termination Kit Concentric Vent/Air Termination KitIII. Condensate Drain Protection IV. Multiventing and Vent TerminationsCondensate Drain General II. ApplicationÐConcentric Vent and Combustion-Air Roof HSI SELF-TEST ModeII. Heating Mode Sequence of OperationIII. Heating Modeðtwo Stage IV. Emergency Heat ModeCooling Mode VI. Heat Pump ModeVII. Continuous FAN Mode ÐWiring Schematic for 2-Speed Cooling ApplicationsSTART-UP Procedures General IX. Bypass Humidifier ModeDehumidification Mode XI. Zone ModeIII. Prime Condensate Trap with Water Ðair Conditioning A/C Airflow Setup Switch PositionÐcontinuous FAN CF Airflow Setup Switch Position Setup Switches SWÐblower OFF Delay Setup Switch Position Ðsetup Switch Description→ ÐRedundant Automatic Gas Valve AdjustmentsIV. Purge GAS Lines Set Gas Input RateBTU/CU FT 5000 Only4001 875 1.5825 7001775 1.5 8000Altitude Derate Multiplier Factor for U.S.A Ðaltitude Derate Multiplier for U.S.ACanada Sume the Orifice SIZE. Always Check and VerifySet Thermostat Heat Anticipator Set Temperature RiseCheck Safety Controls Check Primary Limit Control Ðgas Rate CU FT/HRChecklist II. Check Pressure SwitchesCombustion and Vent Piping ChecklistðinstallationCHECKLISTÐSTART-UP Load Calculation

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