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CANADIAN GAS ASSOCIATION
installation, start-up,
340MAV
and operating instructions
4-WAY MULTIPOISE
Series D
FIXED-CAPACITY DIRECT-VENT
CONDENSING GAS FURNACE
Cancels: II 340M-40-3 II 340M-40-4
12-96
ama
®
APPROVED
R
SM
As an ENERGY STAR
A93040 Partner, Bryant/Day &
Night has determined that
thisproductmeetstheEN-
CERTIFICATION OF MANUFACTURING SITE
NOTE: Read the entire instruction manual before starting the
ERGY STAR guidelines
for energy efficiency.
installation.
This symbol → indicates a
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—2— 15 1 26 ⁄16" 28 ⁄2" 1 15 26 ⁄4" 26 ⁄16" AIRFLOW 1 1 26 ⁄4" 24 ⁄2" A 5 5 22 ⁄16" 22 ⁄16" 9 ⁄16"
13 13 13 19" ⁄16" /16" D /16" 2-IN. COMBUSTION-
TYP 5 ⁄8" CONDENSATE DRAIN
AIR CONN OUTLET OUTLET TRAP LOCATION
(DOWNFLOW &
CONDENSATE DRAIN
HORIZONTAL LEFT) 2-IN. COMBUSTION-
TRAP LOCATION
AIR CONN 5 7 (DOWNFLOW &
⁄16" ⁄8-IN. DIA
HORIZONTAL RIGHT)
POWER CONN 1 1 ⁄2-IN. DIA
⁄2-IN. DIA
OR ALTERNATE
GAS CONN 1 GAS CONN ⁄2-IN. DIA GAS CONN 2-IN. VENT CONN 7 ⁄8-IN. DIA
1 33 ⁄4"
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SAFETY CONSIDERATIONS ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS Installingandservicingheatingequipmentcanbehazardousdueto CAUTION: Electrostatic discharge can affect electronic gas and electrical components. Only trained and qualified person- components.Takeprecautionsduringfurnaceinstallation nel should install, repair, or service heating equipment. Untrained and servicing to protect the furnace electronic control. personnelcanperformbasicmaintenancefunctionssuchasclean- Precautions will preven
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6. Before removing a new control from its container, dis- Installations must comply with regulations of serving gas supplier chargeyourbody’selectrostaticchargetogroundtoprotect and local building, heating, plumbing, or other codes in effect in the control from damage. If the control is to be installed in area in which installation is made. In absence of local codes, a furnace, follow items 1 through 5 before bringing the installation must conform with NFGC. control or yourself into contact with
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FURNACE
BLOWER SHELF CONDENSATE
DOOR TRAP FURNACE
CONDENSATE
DOOR FURNACE
TRAP (INSIDE) FURNACE
SIDE SIDE 7 4 8 4 3 3 5 4 5 4 4 1 26 4 3 4 1 1 FIELD
26 4 FIELD
1 2 DRAIN
DRAIN
ALTERNATE DRAIN
CONN CONN TUBE LOCATION SIDE VIEW FRONT VIEW END VIEW FRONT VIEW CONDENSATE TRAP
DRAIN TUBE LOCATION DOWNFLOW AND ALTERNATE
HORIZONTAL
UPFLOW APPLICATIONS EXTERNAL UPFLOW APPLICATIONS APPLICATIONS SLOT FOR SCREW
HORIZONTAL
APPLICATION
1 ⁄4 OD
(OPTIONAL) COLLECTOR BOX TO
TRAP RELIEF PORT 1
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PLUG CAP COLLECTOR BOX
DRAIN TUBE (BLUE
& WHITE STRIPED) COLLECTOR BOX
PLUG TUBE (PINK) CAP COLLECTOR BOX
COLLECTOR BOX
DRAIN TUBE (BLUE
TUBE (GREEN) & WHITE STRIPED) COLLECTOR BOX
TUBE (PINK) INDUCER HOUSING
(MOLDED) DRAIN
TUBE (BEHIND
COLLECTOR BOX
COLLECTOR BOX
DRAIN TUBE) TUBE (GREEN) COLLECTOR BOX
DRAIN TUBE (BLUE) COLLECTOR BOX
CONDENSATE
DRAIN TUBE (BLUE) TRAP FIELD-INSTALLED
FACTORY-SUPPLIED
CONDENSATE
DRAIN TUBE
TRAP COUPLING (LEFT
DRAIN OPTION) INDUCER
FIELD-I
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H. Condensate Trap Freeze Protection c. Connect LOWER collector box drain connection to condensate trap. Refer to Condensate Drain Protection section for recommenda- tions and procedures. (1.) Condensate Trap Located on Left Side of Casing III. DOWNFLOW APPLICATIONS (a.) Connect LOWER collector box drain tube Adownflowfurnaceapplicationiswherefurnaceblowerislocated (blue and white striped label) to condensate abovecombustionandcontrolssectionoffurnace,andconditioned trap. Tube does not need to b
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d. Useinducerhousingdraintube(violetlabelandfactory- NOTE: SeeFig.7or8ortuberoutinglabelonmainfurnacedoor suppliedinloosepartsbag)toconnectLOWERinducer to check for proper connections. housing drain connection to the condensate trap. Relocate tubes as described below. e. Connectinducerhousingdrainconnectiontocondensate 1. Disconnectcollectorboxpressuretube(pinklabel)attached trap. to pressure switch. (1.) Condensate Trap Located on Left Side of Casing → 2. Extendcollectorboxpressuretube(greenlab
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C. Condensate Trap Field Drain Attachment CAUTION: Local codes may require a drain pan under Refer to Condensate Drain section for recommendations and entire furnace and condensate trap when a condensing procedures. furnace is used in an attic application or over a finished ceiling. D. Pressure Switch Tubing The LOWER collector box pressure tube (pink label) is factory connected to the pressure switch for use when furnace is installed NOTE: In Canada, installations shall be in accordance with in
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COMBUSTION – AIR
INTAKE VENT
A 12-IN. MIN HORIZONTAL PIPE
SECTION IS RECOMMENDED WITH
SHORT (5 TO 8 FT) VENT SYSTEMS
TO REDUCE EXCESSIVE
CONDENSATE DROPLETS FROM
EXITING THE VENT PIPE. 30″ MIN
WORK AREA 3 5 ⁄ ″ 4 MANUAL
SHUTOFF
ACCESS OPENING
GAS VALVE FOR TRAP DRAIN SEDIMENT
TRAP CONDENSATE
TRAP NOTE: LOCAL CODES MAY REQUIRE A DRAIN PAN UNDER THE
FURNACE AND CONDENSATE TRAP WHEN A CONDENSING
FURNACE IS INSTALLED ABOVE FINISHED CEILINGS. A93031 Fig. 10—Attic Location and Working
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COLLECTOR BOX DRAIN TUBE (BLUE) CAP COLLECTOR BOX TUBE (GREEN) COLLECTOR BOX EXTENSION TUBE PLUG COLLECTOR BOX TUBE (PINK) CONDENSATE
TRAP COLLECTOR BOX DRAIN TUBE
(BLUE AND WHITE STRIPED) INDUCER HOUSING
DRAIN TUBE (VIOLET) COLLECTOR BOX
EXTENSION TUBE A96199 → Fig. 11—Horizontal Right Tube Configuration → 2. Extendcollectorboxpressuretube(greenlabel)whichwas LOCATION previously connected to condensate trap relief port connec- tion by splicing to small diameter tube (factory-supplied in I.
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FRONT °F °F 32°F MINIMUM INSTALLED
AMBIENT OR FREEZE
PROTECTION REQUIRED RETURN
AIR MAX 85°F MIN 55°F A93058 A93042 CAUTION: If these furnaces are installed in an uncon- NOTE: These furnaces are designed for a minimum continuous ditioned space where ambient temperatures may be 32°F return-airtemperatureof60°Forintermittentoperationdownto55°F or lower, freeze protection measures must be taken. such as when used with a night setback thermostat. Return-air temperature must not exceed a maximum o
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INSTALLATION →II. INSTALLATION IN UPFLOW OR DOWNFLOW APPLICATIONS I. LEVELING LEGS (IF DESIRED) NOTE: For downflow applications, this furnace is approved for Whenfurnaceisusedinupflowpositionwithsideinlet(s),leveling use on combustible flooring when special base (available from legs may be desired. (See Fig. 12.) Install field-supplied, manufacturer) Part No. KGASB0201ALL is used. Special base in corrosion-resistant 5/16-in. machine bolts and nuts. not required when this furnace is installed on
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A PLENUM
OPENING B D FLOOR
OPENING C A96283 Fig. 13—Floor and Plenum Opening Dimensions FURNACE FURNACE
(OR COIL CASING
CD5 OR CK5
WHEN USED) COIL ASSEMBLY
OR KCAKC
COIL BOX COMBUSTIBLE
FLOORING COMBUSTIBLE
FLOORING DOWNFLOW
SHEET METAL
SUBBASE PLENUM SHEET METAL
PLENUM FLOOR
OPENING FLOOR
OPENING A96284 A96285 Fig. 15—Furnace, Plenum, and Coil Fig. 14—Furnace, Plenum, and Subbase Assembly or Coil Box Installed Installed on a Combustible Floor on a Combustible Floor TABLE 1—OPENING
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III. INSTALLATION IN HORIZONTAL APPLICATIONS PERFORATED
→These furnaces can be installed horizontally in either horizontal DISCHARGE DUCT
leftorrightdischargeposition.Inacrawlspace,furnacecaneither FLANGE be hung from floor joist or installed on suitable blocks or pad. NO Furnace can be suspended from each corner by hanger bolts and angleironsupports.(SeeFig.17.)Cuthangerbolts(4each3/8-in. all-thread rod) to desired length. Use 1 X 3/8-in. flat washers, 3/8-in. lockwashers, and 3/8-in. nuts on
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IV. FILTER ARRANGEMENT 1 24 ⁄2-IN. WIDE
1 17 ⁄2-IN. WIDE
CASINGS ONLY:
CASINGS ONLY:
CUT AND FOLD
CAUTION: Never operate unit without a filter or with INSTALL FIELD-SUPPLIED
FACTORY-PROVIDED
blower access panel removed. FILTER FILLER STRIP
FILTERS AS SHOWN
UNDER FILTER. TO DESIRED SIZE. Factory-supplied washable framed filters are shipped in blower compartment. Determine location for filter and relocate filter 3″ retaining wire if necessary. See Table 2 to determine correct filter 1 2
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VI. GAS PIPING GAS
Gaspipingmustbeinstalledinaccordancewithnationalandlocal SUPPLY codes. Refer to current edition of NFGC. Canadian installations MANUAL
must be made in accordance with NSCNGPIC and all authorities SHUTOFF
having jurisdiction. Gas supply line should be a separate line VALVE
(REQUIRED) running directly from meter to furnace, if possible. Refer to Table 3forrecommendedgaspipesizing.Risersmustbeusedtoconnect SEDIMENT
TRAP to furnace and to meter. Support all gas piping with ap
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FIELD 24-VOLT WIRING
FIELD 115-, 208/230-, 460-VOLT WIRING
FACTORY 24-VOLT WIRING
FACTORY 115-VOLT WIRING NOTE 2 THERMOSTAT
WC R G Y FIVE
FIELD-SUPPLIED
TERMINALS WIRE
FUSED DISCONNECT THREE-WIRE
208/230- OR
HEATING-
460-VOLT
ONLY THREE
PHASE W BLK BLK R WHT WHT 208/230-
VOLT
GND GND G SINGLE
AUXILIARY
115-VOLT FUSED
PHASE J-BOX C GND DISCONNECT
NOTE 1 CONTROL
SWITCH
CONDENSING
Y BOX (WHEN
UNIT REQUIRED) TWO
24-VOLT
WIRE
TERMINAL
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—19— TO 115VAC FIELD DISCONNECT SCHEMATIC DIAGRAM (WHEN USED) SW2 G NOTE #4 LGPS PRS BLOWER R (NATURAL GAS & PROPANE) PCB L1 SEE NOTE #10 NEUTRAL OFF Y EQUIPMENT GROUND ORN DELAY W SW1 (NOT ON ALL MODELS) C OM L2 LO ILK BLOWER OFF DELAY HUM SPARE-2 MED LO SELECTION CHART TEST/TWIN NOTE #6 YEL HEAT MED HI LED L1 90 SEC BLU HI START SPARE-1 OL HI/LO NOTE #8 BLWR 135 SEC RED 1-M 3-P COOL RED CAP-1 COM PL1 180 SEC 3 2 1 LS FRS COM GV BLWM EAC-1 4 WHT 6 225 SEC 5 FSE WHT HSIR 9 87 2-C EAC-2 RED GRN
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TABLE 4—ELECTRICAL DATA OPERATING VOLTS— MAX MIN MAX WIRE MAX FUSE UNIT UNIT VOLTAGE RANGE HERTZ— UNIT WIRE LENGTH OR CKT BKR SIZE AMPACITY† PHASE AMPS GAGE (FT)‡ AMPS** Max* Min* 024040 115—60—1 127 104 6.1 8.4 14 44 15 036040 115—60—1 127 104 7.3 10.0 14 37 15 024060 115—60—1 127 104 6.1 8.4 14 44 15 036060 115—60—1 127 104 7.1 9.8 14 38 15 048060 115—60—1 127 104 9.5 12.8 14 29 15 036080 115—60—1 127 104 7.6 10.4 14 36 15 048080 115—60—1 127 104 10.0 13.4 14 28 15 060080 115—60—1 127 104 14.1
