Bryant 340AAV Installation, Start-Up, And Operating Instructions Manual
4-way multipoise fixed-capacity condensing gas furnace
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340AAV
4- -WAY MULTIPOISE FIXED- -CAPACITY
CONDENSING GAS FURNACE
for Sizes 040- -140, Series B & C
Visit www.Bryant.com
NOTE:
Read the entire instruction manual before starting
the installation.
NOTE: This furnace can be installed as a
or (1-pipe) non-direct vent
Special Venting Requirements for Installations in Canada
Installation in Canada must conform to the requirements of CSA
B149 code. Vent systems must be composed of pipe, fittings,
cements, and primers listed to ULC S636.
fittings and accessory concentric vent termination kits and
accessory external drain trap have been certified to ULC S636 for
use with those IPEX PVC vent components which have been
certified to this standard. In Canada, the primer and cement must
be of the same manufacturer as the vent system - - IPEX System
636, PVC/CPVC Primer, Purple Violet for Flue Gas Venting and
IPEX System 636
t, PVC Cement for Flue Gas Venting, rated
(1)
Class IIA, 65 deg C. must be used with this venting system - - do
not mix primers and cements from one manufacturer with a vent
system from a different manufacturer. Follow the manufacturer's
instructions in the use of primer and cement and never use primer
or cement beyond its expiration date.
The safe operation, as defined by ULC S636, of the vent system
is based on following these installation instructions, the vent
system manufacturer's installation instructions, and proper use of
primer and cement. All fire stop and roof flashing used with this
system must be UL listed material. Acceptability under Canadian
standard CSA B149 is dependent upon full compliance with all
installation instructions. Under this standard, it is recommended
that the vent system be checked once a year by qualified service
personnel.
The authority having jurisdiction (gas inspection authority,
municipal building department, fire department, etc) should be
consulted before installation to determine the need to obtain a
permit.
(1) System 636 is a trademark of IPEX Inc.
Installation, Start- -up and
Operating Instructions
(2-pipe) direct vent
condensing gas furnace.
The special vent
Use of the AHRI Certified TM Mark indicates a
manufacturer's participation in the program. For
verification of certification for individual products,
go to www.ahridirectory.org.
Consignes spéciales pour l'installation de ventillation au Canada
L'installation faite au Canada doit se conformer aux exigences du
code CSA B149. Ce systême de ventillation doit se composer de
tuyaux, raccords, ciments et apprêts conformes au ULC S636. La
tuyauterie de ventillation des gaz, ses accessoires, le terminal
concentrique mural ainsi que l'ensemble du drain de condensat
extérieur ont été certifiés ULCS 636 pour l'application des
composantes IPEX PVC qui sont certifiées à ce standard. Au
Canada l'apprêt et le ciment doivent être du même manufacturier
que le systême de ventillation - - IPEX Système 636, Apprêt
PVC/CPVC. Mauve Violette pour conduit en évacuation des gaz
et IPEX Système 636
t, ciment pour PVC pour conduit en
(1)
évacuation des gaz, évalué CLASSE IIA, 65 deg. C. doit ëtre
utilisé avec ce systèeme d'évacuation - - ne pas mélanger l'apprêt
et le ciment d'un manufacturier avec le systême de ventillation
d'un autre manufacturier. Bien suivre les indications du
manufacturier lors de l'utilisation de l'apprêt et du ciment et ne
pas utiliser ceux- -ci si la date d'expiration est atteinte.
L'opération sécuritaire, tel que définit par ULC S636, du système
de ventilation est basé sur les instructions d'installation suivantes,
ainsi que l'usage approprié de l'apprêt et ciment. Tout arrët feu et
solin de toit utilisés avec ce système doivent être des matériaux
listés UL. L'acceptation du standard Canadien CSA B419 est
directement relié à l'installation conforme aux instructions ci- -
haut mentionnées. Le standard Canadien recommande l'
inspection par un personel qualifié et ce, une fois par année.
Les autoritées ayant juridiction (inspecteurs de gas, inspecteurs
en bâtiments, département des incendies, etc) devraient être
consultées avant l'installation afin de déterminer si un permis est
requis.
- - 1 - -
Always Ask For
CERTIFIED
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Table of Contents
Related Manuals for Bryant 340AAV
Summary of Contents for Bryant 340AAV
-
Page 1: Operating Instructions
340AAV 4- -WAY MULTIPOISE FIXED- -CAPACITY CONDENSING GAS FURNACE Installation, Start- -up and Operating Instructions for Sizes 040- -140, Series B & C Visit www.Bryant.com Always Ask For NOTE: Read the entire instruction manual before starting CERTIFIED the installation. (2-pipe) direct vent... - Page 2 Required Notice for Massachusetts Installations IMPORTANT The Commonwealth of Massachusetts requires compliance with regulation 248 CMR as follows: 5.08: Modifications to NFPA- -54, Chapter 10 2) Revise 10.8.3 by adding the following additional requirements: a. For all side wall horizontally vented gas fueled equipment installed in every dwelling, building or structure used in whole or in part for residential purposes, including those owned or operated by the Commonwealth and where the side wall exhaust vent termination is less than seven (7) feet above finished grade in the area of the venting, including but not limited to decks and porches, the following requirements shall be satisfied:...
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Page 3: Table Of Contents
TABLE OF CONTENTS AIRFLOW SAFETY CONSIDERATIONS ......DIMENSIONAL DRAWING ......Clearances to Combustibles . -
Page 4: Dimensional Drawing
⁄ (724mm) " ⁄ " (684mm) ⁄ ⁄ (694mm) " " (667mm) AIRFLOW ⁄ ⁄ " " (667mm) (666mm) ⁄ ⁄ " " (567mm) ⁄ " (567mm) ⁄ ⁄ ⁄ (21mm) 19" " " " (483mm) 2-IN. COMBUSTION- (14mm) ⁄ (16mm) "... -
Page 5: Clearances To Combustibles
The 340AAV Multipoise Condensing Gas-Fired Furnaces are explosion, fire, electrical shock, or other conditions which may CSA (formerly AGA and CGA) design-certified for natural and cause personal injury or property damage. Consult a qualified... - Page 6 CAR or CK5, or when Coil Box Part No. KCAKC is used. the structure. The 340AAV 040 through 120 size units are CSA (formerly AGA S The furnace is controlled by a thermostat. It may not be “hot and CGA) design-certified for use in manufactured (mobile) wired”...
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Page 7: Codes And Standards
DC 20001. Installer Packet Includes: S A manufactured (Mobile) home installation must conform with Installation, Startup, and Operating Instructions the Manufactured Home Construction and Safety Standard, Service and Maintenance Instructions Title 24 CFR, Part 3280, or when this standard is not User’s Information Manual applicable, the Standard for Manufactured Home Installation Warranty Certificate... -
Page 8: Electrostatic Discharge (Esd) Precautions
INTRODUCTION may be required. DO NOT TOUCH THE CONTROL OR ANY WIRE CONNECTED TO THE CONTROL PRIOR The model 340AAV 4-way multipoise, Gas-Fired, Category IV, TO DISCHARGING YOUR BODY’S ELECTROSTATIC condensing furnace is available in model sizes ranging from input CHARGE TO GROUND. -
Page 9: Applications
PLUG PLUG COLLECTOR BOX COLLECTOR BOX DRAIN TUBE (BLUE DRAIN TUBE (BLUE & WHITE STRIPED) & WHITE STRIPED) COLLECTOR BOX COLLECTOR BOX TUBE (PINK) TUBE (PINK) COLLECTOR BOX TUBE (GREEN) COLLECTOR BOX TUBE (GREEN) COLLECTOR BOX DRAIN TUBE (BLUE) INDUCER HOUSING (MOLDED) DRAIN TUBE (BEHIND COLLECTOR BOX... - Page 10 COLLECTOR BOX DRAIN TUBE (BLUE) PLUG PLUG COLLECTOR BOX TUBE (GREEN) COLLECTOR BOX DRAIN TUBE (BLUE) COLLECTOR BOX EXTENSION TUBE COLLECTOR BOX COLLECTOR BOX TUBE (PINK) TUBE (PINK) COLLECTOR BOX TUBE (GREEN) COLLECTOR BOX COLLECTOR BOX DRAIN TUBE (BLUE EXTENSION TUBE &...
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Page 11: Downflow Applications
NOTE: On 17-1/2-in. (445 mm) wide furnaces ONLY, cut tube 2. Remove trap from blower shelf by gently pushing tabs inward and rotating trap. between corrugated sections to prevent kinks from occurring. 2. Inducer Housing Drain Tube 3. Install casing hole filler cap (factory-supplied in loose parts bag) into blower shelf hole where trap was removed. - Page 12 PLUG COLLECTOR BOX AUXILIARY "J" BOX DRAIN TUBE (BLUE AND WHITE STRIPED) CONDENSATE COLLECTOR BOX TRAP TUBE (GREEN) INDUCER HOUSING COLLECTOR DRAIN TUBE (VIOLET) BOX EXTENSION COLLECTOR BOX DRAIN TUBE DRAIN TUBE (BLUE) COLLECTOR BOX EXTENSION TUBE DRAIN TUBE COUPLING COLLECTOR BOX TUBE (PINK) RELOCATE TUBE BETWEEN BLOWER SHELF AND INDUCER HOUSING FOR 040, 060, AND 080 HEATING INPUT FURNACES...
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Page 13: Horizontal Left (Supply- -Air Discharge) Applications
NOTE: See Fig. 10 or tube routing label on main furnace door to To relocate condensate trap from the blower shelf to desired location, perform the following: check for proper connections. 1. Remove 3 tubes connected to condensate trap. Modify tube as described below. 2. - Page 14 COMBUSTION - AIR INTAKE VENT A 12-IN. (305 mm) MIN HORIZONTAL PIPE SECTION IS RECOMMENDED WITH SHORT (5 TO 8 FT / 1.5 TO 2.4 M) VENT SYSTEMS TO REDUCE EXCESSIVE CONDENSATE DROPLETS FROM EXITING THE VENT PIPE. ″ (762 mm)MIN WORK AREA ″...
- Page 15 COLLECTOR BOX DRAIN TUBE (BLUE) COLLECTOR BOX TUBE (GREEN) COLLECTOR BOX EXTENSION TUBE PLUG COLLECTOR BOX TUBE (PINK) AUXILARY “J” BOX RELOCATED HERE CONDENSATE TRAP COLLECTOR BOX DRAIN TUBE (BLUE AND WHITE STRIPED) INDUCER HOUSING DRAIN TUBE (VIOLET) COLLECTOR BOX EXTENSION TUBE A00214 Fig.
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Page 16: Location
FRONT LEVEL (0”) FRONT FRONT TO 1/2” (13mm) MIN 1/4” (7mm) BACK TO 1/2” (13mm) HORIZONTAL UPFLOW OR DOWNFLOW FRONT A02146 A93043 Fig. 14 - - Furnace Location for Proper Condensate Drainage Fig. 15 - - Installation on Back is Prohibited PRESSURE SWITCH TUBING CAUTION One collector box pressure tube (pink label) is factory connected... -
Page 17: Furnace Location Relative To Cooling Equipment
When a furnace is installed so that supply ducts carry air circulated by the furnace to areas outside the space containing the furnace, the return air shall also be handled by duct(s) sealed to furnace casing and terminating outside the space containing the furnace to ensure there will not be a negative pressure condition within equipment room or space. -
Page 18: Air For Combustion And Ventilation
Table 1 – Minimum Free Area Required for Each Combustion Air Opening or Duct to Outdoors TWO HORIZONTAL DUCTS SINGLE DUCT OR OPENING TWO OPENINGS OR VERTICAL DUCTS (1 SQ. IN./3,000 BTUH) (734 SQ. MM/KW) (1 SQ. IN./4,000 BTUH) (550 SQ. MM/KW) (1 SQ. - Page 19 S Chlorine based swimming pool chemicals 3. ONE OUTDOOR OPENING requires: a. 1 square inch of free area per 3,000 Btuh S Water softening chemicals (734 mm /kW) for combined input of all gas S De-icing salts or chemicals appliances in the space per Table 1 and b.
- Page 20 1 SQ IN. CIRCULATING AIR PER 4000 VENT THROUGH ROOF DUCTS DUCTS BTUH* O UTDOORS 12" MAX (305mm) 12 ″ MAX 12 ″ (305mm) (305mm) 1 SQ IN. VENT 1 SQ IN. PER 2000 THR OUGH PER 1000 BTUH* R OOF BTUH* IN DOOR 1 SQ IN .
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Page 21: Installation
Combination of Indoor and Outdoor Air manufacturer) Part No. KGASB0201ALL is used. Special base is not required when this furnace is installed on manufacturer’s Coil 1. Indoor openings shall comply with Indoor Assembly Part No. CNPV, CAPV, CAP or CAR, or Coil Box Part Combustion Air Method below and, No. - Page 22 FURNACE (OR COIL CASING WHEN USED) COMBUSTIBLE PLENUM FLOORING OPENING DOWNFLOW SUBBASE FLOOR SHEET METAL OPENING PLENUM FLOOR OPENING A96283 A96285 Fig. 21 - - Floor and Plenum Opening Dimensions Fig. 22 - - Furnace, Plenum, and Subbase Installed on a Combustible Floor FURNACE FACTORY SUPPLIED CASED COIL OR COIL BOX...
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Page 23: Air Ducts
Table 3 – Opening Dimension - - In. (mm) FURNACE PLENUM OPENING FLOOR OPENING CASING APPLICATION WIDTH Upflow Applications 16 (406) 24-1/8 (613) 16-5/8 (422) 24-3/4 (629) Downflow Applications on Non-Combustible Flooring 15-7/8 (403) 19 (483) 16-1/2 (419) 19-5/8 (498) Downflow Applications on Combustible Flooring Using KGASB Subbase 17-1/2 Furnace with or without CAP , CAR, CNPV, CNRV Coil Assembly or KCAKC... -
Page 24: Ductwork Acoustical Treatment
COMBUSTION-AIR INTAKE (NON-DIRECT VENT/1-PIPE COMBUSTION-AIR PIPE APPLICATION) (DIRECT VENT/2-PIPE APPLICATION,ALL SIZES) VENT 3-IN. (76 mm) MINIMUM CLEARANCE TO COMBUSTION-AIR INTAKE IS REQUIRED (NON-DIRECT VENT/1-PIPE 8 -IN. (10 mm) ROD APPLICATION,) ANGLE ″ IRON OR (146 mm) EQUIVALENT ALTERNATE SUPPORT LOCATION 4-IN. (102 mm) MIN 8-IN. -
Page 25: Return Air Connections
Step 5 - - Filter Arrangement supply/outlet or air conditioning coil casing (when used), when installed on non-combustible material. When installed on WARNING combustible material, supply-air duct attachment must ONLY be connected to an accessory sub base or factory approved air conditioning coil casing. -
Page 26: Bottom Closure Panel
NOTE: Remove and discard bottom closure panel when bottom inlet is used. Step 6 - - Bottom Closure Panel These furnaces are shipped with bottom enclosure panel installed in bottom return-air opening. This panel MUST be in place when side return air is used. To remove bottom closure panel, perform following: 1. -
Page 27: Electrical Connections
level of gas controls. Place a ground joint union between gas exceed maximum 0.5 psig (14-in. wc) stated on gas valve. control manifold and manual gas shutoff valve. (See Fig. 29.) (See Fig. 48.) Piping should be pressure and leak tested in accordance with NFGC in the United States or NSCNGPIC in Canada, local, and SUPPLY national plumbing and gas codes before the furnace has been... -
Page 28: V Wiring
FIELD 24-V WIRING FIELD 115-, 208/230-, 460-V WIRING FACTORY 24-V WIRING FACTORY 115-V WIRING NOTE 2 THERMOSTAT FIVE WIRE FIELD-SUPPLIED TERMINALS DISCONNECT THREE-WIRE HEATING-ONLY 208/230- OR BLOWER DOOR SWITCH 460-V THREE PHASE 208/230-V SINGLE PHASE AUXILIARY 115-V FIELD- J-BOX SUPPLIED NOTE 1 DISCONNECT CONDENSING... -
Page 29: Accessories
100 ft (30.5 M). For wire lengths over 100 ft, or NSCNGPIC. use AWG No. 16 wire. The 340AAV can be vented as either a direct vent (all sizes) or as ACCESSORIES a non-direct vent (except for 140 size) application. A direct vent 1. - Page 30 PRINTED CIRCIUT BOARD PRINTED CIRCIUT BOARD A02271 Fig. 33 - - Wiring Diagram - - 30 - -...
- Page 31 NON-DIRECT VENT/1-PIPE SYSTEM (SIZES 040 WARNING THROUGH 120 ONLY) In a non-direct vent (1-pipe) system, all air for combustion is FIRE AND EXPLOSION HAZARD taken from the area adjacent to furnace, and all flue products are Failure to follow this warning could result in fire, property discharged to outdoor atmosphere.
- Page 32 TWINNING AND/OR COMPONENT TEST BLOWER OFF-DELAY TERMINAL J2 JUMPER BLOWER OFF-DELAY HUMIDIFIER TERMINAL (24-VAC 0.5 AMP MAX.) 24-V THERMOSTAT TERMINALS TRANSFORMER 24-VAC CONNECTIONS TEST/TWIN 0.5 AMP@24VAC 3-AMP FUSE FUSE 3-AMP SEC-2 SEC-1 LED OPERATION & EAC-2 DIAGNOSTIC LIGHT PL1-LOW VOLTAGE MAIN HARNESS CONNECTOR 115-VAC(L2)NEUTRAL CONNECTIONS...
- Page 33 12 inches (30 cm) for applieances >10,000 Btuh(3 kW) and < 100,000 Btuh(30kW), 36 inches (91cm) for appliances > 100,000 Btuh(30kW) A08600 Table 8 – Direct Vent Termination Clearance - - 33 - -...
- Page 34 A08601 Table 9 – Other than Direct Vent Termination Clearance - - 34 - -...
- Page 35 Table 10 – Maximum Allowable Exposed Vent Pipe Length - - Ft. (M) With and Without Insulation in Winter Design Temperature Ambient* WINTER DESIGN MAX PIPE WITHOUT WITH 3/8–IN. (10 mm) OR FURNACE SIZE TEMPERATURE DIAMETER INSULATION THICKER INSULATION† IN (mm) FT (M) FT (M) °F 〈°C)
- Page 36 NOTE: The 60,000 model includes an inducer outlet restrictor in NOTE: Select 1 vent pipe connection and NOTE: Select 1 vent pipe connection and 1 combustion-air pipe connection. 1 combustion-air pipe connection. the loose parts bag that must be installed for certain vent system configurations.
- Page 37 5. Drill a 1/8-in. (3 mm) hole in 2-in. (51 mm) combustion air pipe using the hole in intake housing as a guide. 6. Install a field-supplied No. 6 or No. 8 sheet metal screw into combustion air pipe. 7. Install casing hole filler cap (factory-supplied in loose parts bag) in unused combustion air pipe casing hole.
- Page 38 Table 11 – Maximum Allowable Pipe Length - - Ft (M) NON-DIRECT DIRECT VENT (2-PIPE) ONLY VENT (1-PIPE) NUMBER OF 90° ELBOWS ALTITUDE UNIT SIZE ONLY FT (M) (BTUH) TERMINATION PIPE DIA PIPE DIA TYPE IN. (mm)* IN. (mm)* 1 (25) 1 (25) (1.5) 2 Pipe or 2-in...
- Page 39 Table 11—Maximum Allowable Pipe Length - - Ft (M) (Continued) NON-DIRECT VENT (1-PIPE) DIRECT VENT (2-PIPE) ONLY NUMBER OF 90° ELBOWS ALTITUDE UNIT SIZE ONLY (BTUH) FT (M) TERMINATION PIPE DIA --- PIPE DIA --- TYPE IN (mm)* IN (mm)* 1-1/2 (38) 1-1/2 (38) (19.5)
- Page 40 Table 11—Maximum Allowable Pipe Length - - Ft (M) (Continued) NON-DIRECT VENT (1-PIPE) DIRECT VENT (2-PIPE) ONLY NUMBER OF 90° ELBOWS ALTITUDE UNIT SIZE ONLY FT (M) (BTUH) TERMINATION PIPE DIA PIPE DIA TYPE IN. (mm)* IN. (mm)* 1-1/2 (38) 1-1/2 (38) (17.4) (15.8)
- Page 41 Table 11—Maximum Allowable Pipe Length - - Ft (M) (Continued) NON-DIRECT ALTITUDE UNIT SIZE DIRECT VENT (2-PIPE) ONLY VENT (1-PIPE) NUMBER OF 90° ELBOWS FT (M) (BTUH) ONLY TERMINATION PIPE DIA PIPE DIA TYPE IN. (mm)* IN. (mm)* 1-1/2 (38) 1-1/2 (38) (14.9) (13.4)
- Page 42 Table 11—Maximum Allowable Pipe Length - - Ft (M) (Continued) NON-DIRECT ALTITUDE UNIT SIZE DIRECT VENT (2-PIPE) ONLY VENT (1-PIPE) NUMBER OF 90° ELBOWS (BTUH) FT (M) ONLY TERMINATION PIPE DIA PIPE DIA TYPE IN. (mm)* IN. (mm)* 2 Pipe or 2-in 1-1/2 (38) 1-1/2 (38) (12.8)
- Page 43 COMBUSTION – AIR INTAKE HOUSING 3/8 ID TUBE BURNER COMBUSTION-AIR FURNACE PIPE (DIRECT VENT/2 PIPE) 3/16 COMBUSTION-AIR DRILL NOT IN PIPE (NON-DIRECT VENT/1-PIPE) HORIZONTAL SECTION 4″MIN (102 mm) TRAP PIPE DIAMETER TRANSITION IN VERTICAL SECTION TO OPEN DRAIN A93034 A05093 Fig.
- Page 44 COMBUSTION AIR PIPE (DIRECT VENT /2-PIPE) 12 ″ MIN COMBUSTION AIR COMBUSTION AIR (305 mm) 12 ″ MIN PIPE (NON-DIRECT PIPE (NON-DIRECT (305 mm) VENT/1-PIPE) VENT/1-PIPE) VENT PIPE VENT PIPE COMBUSTION AIR PIPE (DIRECT VENT/2-PIPE) HORIZONTAL TO ROOF HORIZONTAL TO SIDEWALL COMBUSTION AIR PIPE (DIRECT VENT /2-PIPE)
- Page 45 Roof T e rmination (Preferred) At least 36 in. (914mm) Concentric Vent and Combustion Air Roof Termination (preferred) Vertical separation between combustion At least air and vent 36 in. (305mm) 8 3/4 in. (222mm)for 3 in. (76mm)ki t Maintain 12 min.
- Page 46 Table 13 – Vent Termination Kit for Direct Vent/2-Pipe System DIRECT VENT (2-PIPE) TERMINATION KIT TERMINATION SYSTEM DIAM. OF COMBUSTION AIR AND VENT PIPES --- IN (mm) 2-in. (51 mm) Concentric Vent Kit Single Penetration of Wall or Roof 1, 1---1/2, 2, or 2---1/2 (25, 38, 51, 64 mm) 3-in.
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Page 47: Condensate Drain
Multi- -venting and Vent Terminations an open or vented drain as close to the respective equipment as When 2 or more 340AAV Furnaces are vented near each other, possible to prevent siphoning of the equipment’s drain. each furnace must be individually vented. NEVER common vent See Fig. -
Page 48: Start-Up, Adjustment And Safety Check
Step 2 - - Prime Condensate Trap with Water 3. Use wire ties to secure heat tape in place. Wire ties can be positioned in notches of condensate trap sides. CAUTION 4. Wrap field drain pipe with remaining heat tape, approximately 1 wrap per ft. -
Page 49: Heating Mode
HEATING MODE When the thermostat is satisfied, the R-to-G-and-Y circuits are opened. The outdoor unit will stop, and the furnace blower motor (See Fig. 30 for thermostat connections.) BLWM will continue operating on the COOL speed for an The wall thermostat “calls for heat”, closing the R to W additional 90 seconds. -
Page 50: Adjustments
Verify furnace model. Table 14 can only be used for NOTE: Record the status code BEFORE opening the blower model 340AAV furnaces with heating sizes of 040 access door and before shutting off power to the furnace. through 120. Table 15 can only be used for model Opening the blower access door will open the blower door switch 340AAV furnaces with a heating size of 140. - Page 51 d. Find installation altitude in Table 14 or 15. CAUTION NOTE: For Canada altitudes of 2001 to 4500 ft, use U.S.A. altitudes of 2001 to 3000 ft (610 to 914 M) in Table 14 or 15. UNIT DAMAGE HAZARD e. Find closest natural gas heat value and specific gravity on Table 14 or 15.
- Page 52 Table 14 – Model 340AAV Orifice Size and Manifold Pressure for Correct Input FOR USE WITH A08606A Percents of derate are based on midpoint of U.S. altitude ranges. - - 52 - -...
- Page 53 Table 14 - - Model 340AAV Orifice Size and Manifold Pressure for Correct Input (Continued) FOR USE WITH A08606B Percents of derate are based on midpoint of U.S. altitude ranges. - - 53 - -...
- Page 54 Table 15 – Model 340AAV Orifice Size and Manifold Pressure for Correct Input FOR USE WITH A08607A Percents of derate are based on midpoint of U.S. altitude ranges. - - 54 - -...
- Page 55 Table 15 - - Model 340AAV Orifice Size and Manifold Pressure for Correct Input (Continued) FOR USE WITH A08607B Percents of derate are based on midpoint of U.S. altitude ranges. - - 55 - -...
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Page 56: Set Temperature Rise
EXAMPLE: (0 - - 2000 ft (0 - - 610 M) altitude) Regulator Seal Cap ON/OFF Switch Furnace input from rating plate is 100,000 Btuh. Regulator Adjustment Under Cap ½ “ NPT Inlet Btu heating input = Btu/cu ft X cu ft/hr Heating value of gas = 975 Btu/cu ft 1/8 NPT Inlet Time for 1 revolution of 2-cu ft dial = 70 sec... -
Page 57: Adjust Blower Off Delay (Heat Mode)
Follow this same procedure for proper selection of COOL BURNER FLAME speed selection. BURNER Table 18 – Speed Selector FACTORY COLOR SPEED SHIPPED CONNECTION Black High Cool Yellow (When Present) Medium High Spare Blue Medium Low Heat Spare White Common ADJUST BLOWER OFF DELAY (HEAT MODE) The blower off delay has 4 adjustable settings from 90 sec to 180 sec. -
Page 58: Checklist
motor is disconnected, shut furnace down immediately. Determine reason pressure switch did not function properly and correct condition. 5. Turn off 115-v power to furnace. 6. Reconnect inducer motor leads, reinstall main furnace door, and turn on 115-v power supply. CHECKLIST 1. - Page 59 CHECKLIST - - DIRECT VENT (2-PIPE) INSTALLATION LOAD CALCULATION Condensate Drain ________________ Unit Level or Pitched Forward ________________ Heating Load (Btuh) ________________ Internal Tubing Connections Free of ________________ Cooling Load (Btuh) Kinks and traps ________________ Furnace Model Selection ________________ External Drain Connection Leak Tight COMBUSTION AIR AND VENT PIPING and sloped Termination Location...
- Page 60 Catalog No. II340A --- 40 --- 4 E2010 Bryant Heating & Cooling Systems D 7310 W. Morris St. D Indianapolis, IN 46231 Printed in U.S.A. Edition Date: 11/10 Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.