Bryant 340MAV - Manuals

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Manual

Manual Bryant 340MAV

Summary

Page 2 - UNIT

Fig. 2—Dimensional Drawing DIMENSIONS (IN.) UNIT SIZE A D E 024040 17-1/2 15-7/8 16 036040 17-1/2 15-7/8 16 024060 17-1/2 15-7/8 16 036060 17-1/2 15-7/8 16 048060 17-1/2 15-7/8 16 036080 17-1/2 15-7/8 16 048080 17-1/2 15-7/8 16 060080 21 19-3/8 19-1/2 048100 21 19-3/8 19-1/2 060100 21 19-3/8 19-1/2 ...

Page 3 - Electrostatic discharge can affect electronic; Fig. 3—Clearances to Combustibles; MINIMUM INCHES CLEARANCE TO COMBUSTIBLE CONSTRUCTION

SAFETY CONSIDERATIONS Installing and servicing heating equipment can be hazardous due togas and electrical components. Only trained and qualified person-nel should install, repair, or service heating equipment. Untrainedpersonnel can perform basic maintenance functions such as clean-ing and replacin...

Page 10 - MIN; NOTE: LOCAL CODES MAY REQUIRE A DRAIN PAN UNDER THE

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 or 11.) 4. Install casing hole filler cap into blower shelf hole where trap was removed. 5. Install condens...

Page 12 - Do not install furnace on its back. Safety; FRONT; If these furnaces are installed in an uncon-; F MINIMUM INSTALLED; When furnace is installed in a residential

CAUTION: If these furnaces are used during construc- tion when adhesives, sealers, and/or new carpets arebeing installed, make sure all combustion and circulatingair requirements are followed. If operation of furnace isrequired during construction, use clean outside air forcombustion and ventilation...

Page 14 - Assembly or Coil Box Installed

TABLE 1—OPENING DIMENSIONS (IN.) FURNACE CASING WIDTH APPLICATION PLENUM OPENING FLOOR OPENING A B C D 17-1/2 Upflow Applications 16 24-1/8 16-5/8 24-3/4 Downflow Applications on Non-Combustible Flooring 15-7/8 19 16-1/2 19-5/8 Downflow Applications on Combustible Flooring Using KGASB Subbase Furnac...

Page 15 - INSTALLATION IN HORIZONTAL APPLICATIONS; The entire length of furnace MUST be; YES; Fig. 17—Crawlspace Horizontal Application; DRAIN; REQD PER ROD

III. INSTALLATION IN HORIZONTAL APPLICATIONS These furnaces can be installed horizontally in either horizontalleft or right discharge position. In a crawlspace, furnace can eitherbe hung from floor joist or installed on suitable blocks or pad.Furnace can be suspended from each corner by hanger bolts...

Page 16 - Side Return; WASHABLE

IV. FILTER ARRANGEMENT CAUTION: Never operate unit without a filter or with blower access panel removed. Factory-supplied washable framed filters are shipped in blowercompartment. Determine location for filter and relocate filterretaining wire if necessary. See Table 2 to determine correct filtersiz...

Page 17 - UNION

VI. GAS PIPING Gas piping must be installed in accordance with national and localcodes. Refer to current edition of NFGC. Canadian installationsmust be made in accordance with NSCNGPIC and all authoritieshaving jurisdiction. Gas supply line should be a separate linerunning directly from meter to fur...

Page 18 - Fig. 22—Heating and Cooling Application Wiring Diagram; FACTORY

NOTE: Proper polarity must be maintained for 115-v wiring. If polarity is incorrect, control center LED status indicator light willflash rapidly and furnace will NOT operate. WARNING: The cabinet MUST have an uninterrupted or unbroken ground according to NEC ANSI/NFPA70-1996 and Canadian Electrical ...

Page 19 - Diagram; PCB

Fig. 24—Wiring Diagram A95087 PCB BL OWER O FF DE LAY SE LEC T IO N CH AR T 90 SEC 135 SEC 180 SEC 225 SEC GVR H I/L O RE L A Y SE C- 1 SE C- 2 WHT PL 1 3 2 1 6 5 4 9 87 LE D TEST/TWIN BL OWER OF F DE LAY G R Y W C HU M HS IR ID R B L W R BL OWER SP EED SE LEC T FU 1 C OOL HE AT L2 PL 3 PL 2 VA C 12...

Page 20 - ACCESSORIES; TABLE 4—ELECTRICAL DATA; HUM

III. ACCESSORIES 1. Electronic Air Cleaner (EAC) Two quick-connect terminals marked EAC-1 and EAC-2are provided for EAC connection. (See Fig. 25.) Theseterminals are energized with 115v (1.5-amp maximum)during blower motor operation. 2. Humidifier (HUM) A quick-connect terminal (HUM) and screw termi...

Page 21 - Canada; Dryer vent

DIRECT VENTING The 340MAV Furnaces require a dedicated (one 340MAV furnaceonly) direct-vent system. In a direct-vent system, all air forcombustion is taken directly from outside atmosphere, and all flueproducts are discharged to outside atmosphere. I. REMOVAL OF EXISTING FURNACES FROM COMMON VENT SY...

Page 23 - NOTE: A 12 In. minimum offset pipe section is recommended with; Fig. 29—Intake Housing Plug Fitting Drain; TRAP

f. Drill a 1/8-in. hole in 2-in. combustion-air pipe using hole in intake housing as a guide. g. Install a field-supplied No. 6 or No. 8 sheet metal screw into combustion-air pipe. NOTE: DO NOT OVERTIGHTEN SCREW. Breakage to intake housing or fitting may cause air leakage to occur. NOTE: Do not atta...

Page 24 - TABLE 6—MAXIMUM ALLOWABLE PIPE LENGTH (FT)

TABLE 6—MAXIMUM ALLOWABLE PIPE LENGTH (FT) ALTITUDE UNIT SIZE TERMINATION TYPE PIPE DIA (IN.)* NUMBER OF 90° ELBOWS 1 2 3 4 5 6 0 to 2000 024040036040 2 Pipe or 2-In. Concentric 1 5 NA NA NA NA NA 1-1/2 70 70 65 60 60 55 2 70 70 70 70 70 70 024060036060048060 2 Pipe or 2-In. Concentric 1-1/2 20 15 1...

Page 28 - VENT; Fig. 34—Sidewall Termination of Less than 12 in.

Fig. 33—Sidewall Termination of 12 in. or More A87225 MAINTAIN 12 IN.CLEARANCEABOVE HIGHESTANTICIPATED SNOWLEVEL OR GRADE,WHICHEVER ISGREATER. 90 ° VENT 12 IN. SEPARATIONBETWEEN BOTTOM OFCOMBUSTION AIR ANDBOTTOM OF VENT BRACKET COMBUSTION-AIR 12 ″ MINIMUM OVERHANG OR ROOF Fig. 31—Concentric Vent and...

Page 31 - OPEN STAND; Fig. 41—Condensate Trap Heat Tape; CONDENSATE TRAP

See Fig. 40 for example of possible field drain attachment using1/2-in. CPVC or PVC tee for vent and A/C or humidifier drainconnection. Outdoor draining of the furnace is permissible if allowed by localcodes. Caution should be taken when freezing ambient may freezedrain pipe and prohibit draining. W...

Page 33 - GENERAL

WARNING: Blower access panel door switch opens 115-v power to control center. No component operationcan occur. Caution must be taken when manually closingthis switch for service purposes. Failure to follow thiswarning could result in electrical shock, personal injury,or death. 4. BRIEFLY short (jump...

Page 34 - BURNER

III. PURGE GAS LINES If not previously done, purge lines after all connections have beenmade and check for leaks. WARNING: Never purge a gas line into a combustion chamber. Never use matches, candles, flame, or othersources of ignition for purpose of checking leakage. Usea soap-and-water solution to...

Page 35 - FOR USE WITH 040 THROUGH 120 SIZE FURNACES ONLY; and

→ TABLE 8—MODEL 340MAV ORIFICE SIZE AND MANIFOLD PRESSURE FOR CORRECT INPUT FOR USE WITH 040 THROUGH 120 SIZE FURNACES ONLY (TABULATED DATA BASED ON 20,000 BTUH PER BURNER, DERATED 2% FOR EACH 1000 FT ABOVE SEA LEVEL) ALTITUDE RANGE (FT) AVG GAS HEAT VALUE AT ALTITUDE (BTU/CU FT) SPECIFIC GRAVITY OF...

Page 36 - Only

→ TABLE 8—MODEL 340MAV ORIFICE SIZE AND MANIFOLD PRESSURE FOR CORRECT INPUT Continued FOR USE WITH 040 THROUGH 120 SIZE FURNACES ONLY (TABULATED DATA BASED ON 20,000 BTUH PER BURNER, DERATED 2% FOR EACH 1000 FT ABOVE SEA LEVEL) ALTITUDE RANGE (FT) AVG GAS HEAT VALUE AT ALTITUDE (BTU/CU FT) SPECIFIC ...

Page 38 - FOR USE WITH 140 SIZE FURNACES ONLY

→ TABLE 9—MODEL 340MAV ORIFICE SIZE AND MANIFOLD PRESSURE FOR CORRECT INPUT FOR USE WITH 140 SIZE FURNACES ONLY (TABULATED DATA BASED ON 23,000 BTUH PER BURNER, DERATED 2% FOR EACH 1000 FT ABOVE SEA LEVEL) ALTITUDE RANGE (FT) AVG GAS HEAT VALUE AT ALTITUDE (BTU/CU FT) SPECIFIC GRAVITY OF NATURAL GAS...

Page 40 - Set Temperature Rise; BURNER FLAME

f. Look through sight glass in burner enclosure and check burner flame. Burner flame should be clear blue, almosttransparent. (See Fig. 45.) 3. Verify natural gas input rate by clocking gas meter. NOTE: Be sure all pressure tubing, combustion-air and vent pipes, and burner enclosure front are in pla...

Page 42 - CHECKLIST—INSTALLATION

CHECKLIST—INSTALLATION LOAD CALCULATION ____________ Heating Load (Btuh) ____________ Cooling Load (Btuh) ____________ Furnace Model Selection COMBUSTION AND VENT PIPING Termination Location ________ Roof or Sidewall ________ Termination Kit — 2 Pipe or Concentric ________ Combustion-Air Pipe Length...

Page 44 - SERVICE TRAINING; • Unit Familiarization

A94328 SERVICE TRAINING Packaged Service Training programs are an excellent way to increase your knowledge of the equipment discussed in this manual, including: • Unit Familiarization • Maintenance • Installation Overview • Operating Sequence A large selection of product, theory, and skills programs...