Bryant 355M-40-4, 355M-40-5 Ðsetup Switch Description, Ðblower OFF Delay Setup Switch Position

Page 36

 

TABLE 10ÐSETUP SWITCH DESCRIPTION

SETUP

NORMAL

DESCRIPTION OF USE

SWITCH NO.

POSITION

 

SW-1

OFF

Turn switch to ON for fault history display. No thermostat signal can be

(FLT)

present for fault history display.

 

SW-2

OFF

Turn switch to ON to lock furnace in low-heat mode only.

(LOW)

 

 

SW-3

 

Turn switch to ON when a bypass humidifier is used. This compensates

OFF

for higher return-air temperature and provides 5 percent more airflow in

(BPH)

 

low-heat mode only.

 

 

 

 

 

SW-4

 

Turn switch to ON to bypass microprocessor control. Furnace will oper-

OFF

ate at high heat only with main blower and inducer motor operating at

(EMER HEAT)

 

maximum RPM. NO safeties are bypassed.

 

 

 

 

 

SW-5

 

Turn switch to ON when modulating dampers are used. In this mode,

OFF

main blower speed is recalculated once every minute while furnace is in

(MZ)

 

low-heat or continuous fan mode.

 

 

 

 

Turn switch to ON to initiate component test. Furnace will operate in-

SW-6

 

ducer motor for 20 sec at low speed, operate inducer motor for 20 sec at

OFF

high speed, energize HSI for 15 sec, operate blower for 20 sec at low

(COMP TEST)

speed, and operate blower for 20 sec at high speed. SW-1 must be in

 

 

 

OFF position. No thermostat signal can be present for component test to

 

 

be initiated.

SW-7 and -8

See Table 11

Adjust switches to provide desired heating mode blower off delay time,

(Blower Off Delay)

90, 135, 180, or 225 sec.

 

TABLE 11ÐBLOWER OFF DELAY SETUP SWITCH

POSITION

DESIRED HEATING

SETUP SWITCH (SW-7 AND -8) POSITION

MODE BLOWER

 

 

 

 

 

 

 

 

 

 

 

SW-7

 

SW-8

OFF DELAY (SEC)

 

 

 

90

 

 

 

 

 

 

OFF

 

OFF

135

 

 

 

 

ON

 

OFF

180

 

 

 

 

OFF

 

ON

225

 

 

 

 

ON

 

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A94208

A94209

Fig. 46ÐInducer Housing Drain Tube

Fig. 47ÐFilling Condensate Trap

Ð36Ð

 

Page 35 Page 37
Image 36
Page 35 Page 37
Contents Ð1Ð ÐMultipoise OrientationsDimensions Ð2ÐUnit Size Safety 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 III. Downflow Applications Condensate Trap LocationCondensate Trap Tubing Ð7ÐÐ8Ð IV. Horizontal Left SUPPLY-AIR Discharge ApplicationsConstruct a Working Platform Horizontal Right SUPPLY-AIR Discharge ApplicationsÐ9Ð ÐAttic Location and Working Platform Condensate Trap Tubing ÐHorizontal Right Tube Configuration Location GeneralII. LOW-FIRE only Installation III. Furnace Location Relative to Cooling EquipmentInstallation Leveling Legs if Desired II. Installation in Upflow or Downflow ApplicationsIV. Hazardous Locations Ðopening Dimensions Furnace Plenum Opening Floor Opening CasingWidth III. Installation in Horizontal Applications ÐDuct FlangesIV. Filter Arrangement Ðfilter InformationBottom Closure Panel → ÐBottom Filter ArrangementWiring VI. GAS PipingÐmaximum Capacity of Pipe Electrical Connections→ ÐHeating and Cooling Application Wiring Diagram II -V WiringÐWiring Diagram III. Accessories Ðelectrical DataAmps Size Direct Venting Removal of Existing Furnaces from Common Vent SystemsNgpic II. COMBUSTION-AIR and Vent PipingÐCOMBUSTION-AIR and Vent Pipe Termination Clearances Combustion-Air and Vent Pipe DiameterLocation Clearance FT Or doors which can be opened or Combustion-air openingExample Combustion-Air and Vent Pipe AttachmentÐmaximum Allowable Pipe Length FT 2001 to3001 to 4001 to 5000³Ðmaximum Allowable Pipe Length FT 6001 to 7000³7001 to 8000³ 8001 to 9000³COMBUSTION-AIR Intake Housing Plug Fitting Termination KIT InstallationIII. Concentric Vent and COMBUSTION-AIR ÐRoof Termination Preferred Extended Exposed Sidewall Pipes Two-Pipe Termination KitConcentric Vent/Air Termination Kit 042040 042060 042080 060080 060100 060120IV. Multiventing and Vent Terminations Condensate Drain GeneralII. Application III. Condensate Drain ProtectionÐConcentric Vent and Combustion-Air Roof SELF-TEST Mode II. Heating ModeSequence of Operation HSIIV. Emergency Heat Mode Cooling ModeVI. Heat Pump Mode III. Heating Modeðtwo StageÐWiring Schematic for 2-Speed Cooling Applications VII. Continuous FAN ModeIX. Bypass Humidifier Mode Dehumidification ModeXI. Zone Mode START-UP Procedures GeneralÐair Conditioning A/C Airflow Setup Switch Position Ðcontinuous FAN CF Airflow Setup Switch PositionSetup Switches SW III. Prime Condensate Trap with WaterÐsetup Switch Description Ðblower OFF Delay Setup Switch PositionAdjustments IV. Purge GAS LinesSet Gas Input Rate → ÐRedundant Automatic Gas ValveBTU/CU FT Only 4001875 1.5 50007001 775 1.58000 825Ðaltitude Derate Multiplier for U.S.A CanadaSume the Orifice SIZE. Always Check and Verify Altitude Derate Multiplier Factor for U.S.ASet Temperature Rise Check Safety Controls Check Primary Limit ControlÐgas Rate CU FT/HR Set Thermostat Heat AnticipatorII. Check Pressure Switches ChecklistChecklistðinstallation CHECKLISTÐSTART-UPLoad Calculation Combustion and Vent Piping

355M-40-4, 355M-40-5 specifications

The Bryant 355M-40-5 and 355M-40-4 are innovative CNC cylindrical grinders designed to meet the demands of precision machining in various industrial applications. These machines stand out due to their robust construction, advanced technology, and versatile functionalities, which are critical for achieving high-quality grinding results.

One of the main features of the Bryant 355M-40-5 and 355M-40-4 is their precision grinding capability. With high spindle speeds and excellent rigidity, these grinders are engineered to deliver superior surface finishes even on complex geometries. The machines are equipped with advanced dressing systems that ensure consistent wheel profiles, enhancing performance and reducing cycle times.

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Meanwhile, the Bryant 355M-40-4 focuses on efficiency and productivity, featuring a streamlined design that optimizes workflow. The machine is fitted with high-precision linear guides and ball screws, ensuring smooth and accurate movements during the grinding process. This results in minimal wear and tear, thereby extending the machine's lifespan and maintaining accuracy over time.

Key technologies incorporated into both models include state-of-the-art control systems that enable real-time monitoring and feedback during operations. This feature allows operators to make on-the-fly adjustments to optimize grinding parameters, leading to improved performance and reduced scrap rates. Additionally, the integration of automation solutions, such as robotic loading systems, enhances productivity by minimizing downtime and labor costs.

The Bryant 355M-40-5 and 355M-40-4 are built with durability in mind, utilizing high-strength materials that resist deformation and wear. Their thermal stability ensures consistent performance even under varying operating conditions, making them a reliable choice for high-volume production.

In summary, the Bryant 355M-40-5 and 355M-40-4 models are exemplary CNC cylindrical grinders that combine precision, efficiency, and advanced technology. Their features make them suitable for a wide range of grinding applications, from tool manufacturing to automotive components, ensuring that they remain competitive in the ever-evolving landscape of manufacturing technology.
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