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880TA/881TA
VARIABLE- -SPEED, INDUCED- -COMBUSTION
4- -WAY MULTIPOISE GAS FURNACE
Installation, Start- -up, Operating and
Service and Maintenance Instructions
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Series A
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NOTE: Read the entire instruction manual before starting the
installation.
Portions of the text and tables are reprinted from NFPA 54/ANSI
Z223.1E, with permission of National Fire Protection
Association, Quincy, MA 02269 and American Gas Association,
Washington DC 20001. This reprinted material is not the
complete and official position of the NFPA or ANSI on the
referenced subject, which is represented only by the standard in
its entirety.
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Table of Contents
Related Manuals for Bryant 880TA
Summary of Contents for Bryant 880TA
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Page 1: Table Of Contents
880TA/881TA VARIABLE- -SPEED, INDUCED- -COMBUSTION 4- -WAY MULTIPOISE GAS FURNACE Installation, Start- -up, Operating and Service and Maintenance Instructions Series A SAFETY CONSIDERATIONS ...... -
Page 2: Safety Considerations
SAFETY CONSIDERATIONS to identify hazards which may result in minor personal injury or product and property damage. NOTE is used to highlight suggestions which will result in enhanced installation, reliability, WARNING or operation. 1. Use only with type of gas approved for this furnace. Refer FIRE, EXPLOSION, ELECTRICAL SHOCK, AND to the furnace rating plate. - Page 3 A10269 Fig. 1 - - Clearances to Combustibles...
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Page 4: Introduction
INTRODUCTION Association (SMACNA), or American Society of Heating, Refrigeration, and Air Conditioning Engineers (ASHRAE) 2001 The 4- -way multipoise Category I fan- -assisted furnace is CSA Fundamentals Handbook Chapter 34 or 2000 HVAC Systems (formerly A.G.A. and C.G.A.) design- -certified. A Category I and Equipment Handbook Chapters 9 and 16. - Page 5 A190045 Fig. 3 - - Dimensional Drawing Table 1 – Dimensions - - In. (mm) TOP AND VENT BOTTOM FLUE SHIP WT. CABINET BOTTOM CONNECTION COLLAR WIDTH OUTLET WIDTH INLET WIDTH SIZE LB (KG) FURNACE SIZE 36045C17 17 ---1/2 (445) 15 ---7/8 (403) 11 ---9/16 (294) 16 (406)
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Page 6: Location
THE BLOWER IS LOCATED BELOW THE BURNER SECTION, AND CONDITIONED AIR IS DISCHARGED UPWARD. THE BLOWER IS LOCATED TO THE RIGHT OF THE BURNER SECTION, AND AIR CONDITIONED AIR IS DISCHARGED TO THE LEFT. THE BLOWER IS THE BLOWER IS LOCATED TO THE LEFT LOCATED ABOVE THE OF THE BURNER SECTION,... - Page 7 LOCATION RELATIVE TO COOLING EQUIPMENT WARNING The cooling coil must be installed parallel with, or on the downstream side of the unit to avoid condensation in the heat FIRE, INJURY OR DEATH HAZARD exchangers. When installed parallel with the furnace, dampers or other flow control must prevent chilled air from entering the Failure to follow this warning could result in personal furnace.
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Page 8: Air For Combustion And Ventilation
Table 2 – Minimum Free Area Required for Each Combustion Air opening of Duct to Outdoors TWO HORIZONTAL DUCTS SINGLE DUCT OR OPENING TWO OPENINGS OR VERTICAL DUCTS FURNACE (1 SQ. IN./2,000 BTUH) (1,100 SQ. MM/KW) (1 SQ. IN./3,000 BTUH) (734 SQ. MM/KW) (1 SQ. -
Page 9: Outdoor Combustion Air Method
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 . -
Page 10: Combination Of Indoor And Outdoor Air
Infiltration rates greater than 0.60 ACH shall not be used. The plates and floors, between wall- -ceiling joints, between minimum required volume of the space varies with the number of wall panels, at penetrations for plumbing, electrical ACH and shall be determined per Table 3 or Equations 1 and 2. and gas lines, etc. -
Page 11: Downflow Installation
NOTE: It is recommended that the perforated supply- -air duct 5/ 16 (8mm) flanges be completely folded over or removed from furnace when installing the furnace on a factory- -supplied cased coil or coil box. (8mm) To remove the supply- -air duct flange, use wide duct pliers or 5/ 16 ... - Page 12 FURNACE (OR COIL CASING WHEN USED) COMBUSTIBLE FLOORING PLENUM OPENING DOWNFLOW SUBBASE SHEET METAL PLENUM FLOOR FLOOR OPENING OPENING A96285 Fig. 12 - - Furnace, Plenum, and Subbase Installed on a A96283 Combustible Floor Fig. 11 - - Floor and Plenum Opening Dimensions Roll- -Out Protection FURNACE Provide a minimum 17- -3/4- -in.
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Page 13: Air Ducts
Table 4 – Opening Dimensions - - In. (mm) FURNACE PLENUM OPENING FLOOR OPENING CASING APPLICATION WIDTH IN. (mm) Upflow Applications on Combustible or Noncombustible 12- -11/16 21- -5/8 13- -5/16 22- -1/4 Flooring (subbase not required) (322) (549) (338) (565) Downflow Applications on Noncombustible Flooring 12- -9/16... -
Page 14: Upflow And Horizontal Furnaces
Upflow and Horizontal Furnaces Downflow Furnaces Connect supply- -air duct to flanges on furnace supply- -air outlet. Connect supply- -air duct to supply- -air outlet on furnace. Bend Bend flange upward to 90_ with wide duct pliers. (See Fig. 14.) flange inward past 90_ with wide duct pliers (See Fig. - Page 15 " (6mm) THREADED ROD 4 REQ. OUTER DOOR A S SEMBLY SECURE ANGLE IRON TO BOTTOM OF FURNACE WITH 3 #8 x " (19mm) SCREWS TYPICAL FOR 2 SUPPORTS 8" (203mm) MIN FOR DOOR REMOVAL 1” (25mm) SQUARE, 1-1/4”x1-1/4”x1/8” (32x32x3mm) ANGLE IRON OR UNI-STRUT MAY BE USED (2) HEX NUTS, (2) WASHERS &...
- Page 16 LINE CONT A CT ONL Y PERMISSIBLE BETWEEN LINES FORMED BY INTERSECTIONS OF THE T OP AND TW O SIDES OF THE FURNA CE JA CKET AND BUILDING JOISTS , STUDS , OR FRAMING. ″ (451mm)OVERALL ″ (121mm) UNDER DOOR 1 ″...
- Page 17 A02163 Fig. 19 - - Downflow Return Air Configurations and Restrictions A02162 Fig. 20 - - Horizontal Return Air Configurations and Restrictions...
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Page 18: Air Delivery
Table 5 – Air Delivery - - CFM (With Filter)* (SW1--- 5 and SW4--- 3 set to OFF, except as indicated. See notes 1 and 2.) Unit Size: Clg/CF Switch settings External Static Pressure (ESP) 36045C17 Clg Switches SW2---3 SW2---2 SW2---1 Clg Default: 1070... - Page 19 Air Delivery - - CFM continued (with Filter)* (SW1--- 5 and SW4--- 3 set to OFF, except as indicated. See notes 1 and 2.) Unit Size: Clg/CF Switch settings External Static Pressure (ESP) 48070C17 Clg Switches SW2---3 SW2---2 SW2---1 Clg Default: 1435 1435 1435...
- Page 20 Air Delivery - - CFM continued (with Filter)* (SW1--- 5 and SW4--- 3 set to OFF, except as indicated. See notes 1 and 2.) Unit Size: Clg/CF Switch settings External Static Pressure (ESP) 48090C17 Clg Switches SW2---3 SW2---2 SW2---1 Clg Default: 1350 1370 1390...
- Page 21 Air Delivery - - CFM continued (with Filter)* (SW1--- 5 and SW4--- 3 set to OFF, except as indicated. See notes 1 and 2.) Unit Size: Clg/CF Switch settings External Static Pressure (ESP) 60110C21 Clg Switches SW2---3 SW2---2 SW2---1 Clg Default: 1750 1750 1750...
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Page 22: Gas Piping
GAS PIPING Table 6 – Maximum Capacity of Pipe NOMINAL LENGTH OF PIPE --- FT (M) WARNING INTERNAL IRON PIPE DIA. SIZE IN. (MM) (3.0) (6.0) (9.1) (12.1) (15.2) IN. (MM) 1/2 (12.7) 0.622(158) FIRE OR EXPLOSION HAZARD 0.824 (20.9) 3/4 (19.0) Failure to follow this warning could result in personal 1 ( 25.4) -
Page 23: Electrical Connection
furnace gas control valve and accessible manual equipment See Fig. 25 for field wiring diagram showing typical field 115- -v shutoff valve before and during supply pipe pressure test. After wiring. Check all factory and field electrical connections for all connections have been made, purge lines and check for tightness. - Page 24 Table 7 – Electrical Data OPERATING VOLTS--- UNIT MIN. FURNACE MAX. UNIT MAX. WIRE MAX. FUSE OR VOLTAGE RANGE* HERTZ--- AMPACITY WIRE SIZE AMPS LENGTH --- FT (M)} CKT BKR AMPS { PHASE GAUGE Max. Min. 36045C17 115 ---60 ---1 12.0 30 (9.4) 36070C14...
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Page 25: Accessories
5. Pull furnace power wires out of 1/2- -in. (12 mm) diameter 1. Remove cover from J- -Box. hole in J- -Box. Do not loosen wires from strain- -relief 2. Route listed power cord through 7/8- -in. (22 mm) diameter wire- -tie on outside of J- -Box. - Page 26 FIELD 24-VOLT WIRING FIELD 115-, 208/230-, 460-VOLT WIRING FACTORY 24-VOLT WIRING FACTORY 115-VOLT WIRING NOTE 2 1-STAGE THERMOSTAT FIVE FIELD-SUPPLIED TERMINALS WIRE FUSED DISCONNECT THREE-WIRE 208/230- OR HEATING- 460-VOLT ONLY THREE PHASE 208/230- W/W1 VOLT NOTE 1 SINGLE Y/Y2 115-VOLT FIELD- JUNCTION PHASE SUPPLIED...
- Page 27 A190168 A190166 Fig. 29 - - Variable Furnace with Single- -Speed Heat Pump Fig. 27 - - Variable Furnace with Single- -Speed (Dual Fuel) Air Conditioner A190169 A190167 Fig. 30 - - Variable Furnace with Two- -Speed Heat Pump Fig. 28 - - Variable Furnace with Two- -Speed Air (Dual Fuel) Conditioner...
- Page 28 A190170 Fig. 31 - - Dual- -Fuel Thermostat with Variable Furnace and Single- -Speed Heat Pump A190172 Fig. 33 - - Two- -Stage Thermostat with Variable Furnace and Two- -Speed Air Conditioner A190171 Fig. 32 - - Dual- -Fuel Thermostat with Variable Furnace and Two- -Speed Heat Pump A190173 Fig.
- Page 29 CHIMNEY INSPECTION CHART For additional requirements refer to the National Fuel Gas Code NFPA 54/ANSI Z223.1 and ANSI/NFPA 211 Chimneys, Fireplaces, Vents, and Solid Fuel Burning Appliances Crown Rebuild condition: crown. Missing mortar or brick? Is chimney property lined with clay tile liner? Repair Reline...
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Page 30: Venting
VENTING Vent system or vent connectors may need to be resized. Vent systems or vent connectors must be sized to approach minimum The furnace shall be connected to a listed factory built chimney size as determined using appropriate table found in the current or vent, or a clay- -tile lined masonry or concrete chimney. - Page 31 Fireplaces, Vents, and Solid Fuel Burning Appliances Exterior Masonry Chimney FAN + NAT ANSI/NFPA 211 in the United States and must be in good Installations with Type- -B Double- -Wall Vent Connectors ENFPA & AGA condition. Table 8 – Combined Appliance Maximum Input U.S.A.- -Refer to Sections 13.1.8 and 13.2.20 of the NFPA Rating in Thousands of Btuh per Hour 54/ANSI Z223.1 or the authority having jurisdiction to determine...
- Page 32 Table 9 – Minimum Allowable Input Rating of Additional Venting Requirements Space- -Heating Appliance in Thousands of Btuh per Hour A 4- -in. (102 mm) round vent elbow is supplied with the furnace. A 5- -in. (127 mm) or 6- - in. (152 mm) vent connector may be INTERNAL AREA OF CHIMNEY required for some model furnaces.
- Page 33 SEE NOTES: 1,2,4,7,8,9 SEE NOTES:1,2,3,4,5,7,8,9 on the page following on the page following these figures these figures A03208 A03210 Fig. 36 - - Upflow Application - - Vent Elbow Up Fig. 38 - - Downflow Application - - Vent Elbow Up then Left SEE NOTES: 1,2,4,5,7,8,9 SEE NOTES: 1,2,3,4,7,8,9 on the page following...
- Page 34 SEE NOTES: 1,2,4,7,8,9 on the page following these figures A03213 Fig. 42 - - Horizontal Left Application - - Vent Elbow Left SEE NOTES: 1,2,4,5,6,7,8,9,10 on the page following these figures A03207 Fig. 40 - - Downflow Application - - Vent Elbow Left then Up SEE NOTES: 1,2,4,5,7,8,9 on the page following these figures A03214...
- Page 35 SEE NOTES: 1,2,4,5,7,8,9 on the page SEE NOTES: 1,2,4,5,7,8,9 on the page following these figures following these figures A03215 A03219 Fig. 45 - - Horizontal Left Application - - Vent Elbow Up Fig. 47 - - Horizontal Right Application - - Vent Elbow Left then Up SEE NOTES: 1,2,4,5,7,8,9 SEE NOTES: 1,2,4,5,7,8,9 on the page...
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Page 36: Start- -Up, Adjustment, And Safety Check
Caution!! For the following applications, use the minimum vertical heights as specified below. For all other applications, follow exclusively the National Fuel Gas Code. MIN. VENT MIN. VERTICAL VENT FURNACE VENT ORIENTATION FURNACE INPUT DIAMETER HEIGHT ORIENTATION (BTUH/HR) IN. (mm)* FT. - Page 37 Start- -Up Procedures WARNING FIRE OR EXPLOSION HAZARD Failure to follow this warning could result in personal injury, death, and/or property damage. Never purge a gas line into a combustion chamber. Never test for gas leaks with an open flame. Use a commercially available soap solution made specifically for the detection of leaks to check all connections.
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Page 38: Furnace Setup Switch Description
Table 10 – Furnace Setup Switch Description A190151 A190150 Fig. 52 - - Service Label... -
Page 39: Adjustments
Adjustments Table 11 – Altitude Derate Multiplier for U.S.A. WARNING ALTITUDE PERCENT DERATE MULTIPLIER FT. (M) OF DERATE FACTOR* 0–2000 FIRE HAZARD 1.00 (0--- 610) Failure to follow this warning could result in personal 2001–3000 8–12 0.90 injury, death and/or property damage. (610--- 914) DO NOT bottom out gas valve regulator adjusting screw. - Page 40 j. Move setup switch SW1- -2 to off position after com- CAUTION pleting low- -heat adjustment. k. Leave manometer or similar device connected and proceed to Step 4. UNIT DAMAGE HAZARD 4. Adjust manifold pressure to obtain high fire input rate. Failure to follow this caution may result in overheating the (See Fig.
- Page 41 (3.) Connect an amp. meter as shown in Fig. 51. WARNING across the R and W subbase terminals or R and W wires at wall. FIRE HAZARD (4.) Record amp. draw across terminals when furnace is in low heat and after blower starts. Failure to follow this warning could result in personal (5.) Set heat anticipator on thermostat per thermostat injury, death, and/or property damage.
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Page 42: Wiring Diagram
A190152 Fig. 53 - - Wiring Diagram... -
Page 43: Gas Rate
Table 13 – Gas Rate (CU ft./hr) SECONDS G SIZE OF TEST DIAL SECONDS SIZE OF TEST DIAL FOR 1 REVOLUTION FOR 1 REVOLUTION 1 Cu Ft. 2 Cu Ft. 5 Cu Ft. 1 Cu Ft. 2 Cu Ft. 5 Cu Ft. 1800 1636 1500... -
Page 44: Gas Orifice And Manifold Pressure
Table 14 – Orifice Size and Manifold Pressure (In. W.C.) for Gas Input Rate (Tabulated Data Based on 22,000 Btuh High- -Heat/14,500 Btuh for Low- -Heat per Burner, Derated 4 Percent for Each 1000 Ft. (305 M) Above Sea Level) SPECIFIC GRAVITY OF NATURAL GAS 0.58 0.60... - Page 45 Table 14 - - Orifice Size and Manifold Pressure (In. W.C.) for Gas Input Rate (Con’t.) (Tabulated Data Based on 22,000 Btuh High- -Heat/14,500 Btuh for Low- -Heat per Burner, Derated 4 Percent for Each 1000 Ft. Above Sea Level) SPECIFIC GRAVITY OF NATURAL GAS 0.58 0.60...
- Page 46 Table 15 – Orifice Size and Manifold Pressure (In. W.C.) for Gas Input Rate (Tabulated Data Based on 21,000 Btuh High- -Heat/14,500 Btuh for Low- -Heat Per Burner, Derated 4 Percent for Each 1000 Ft. (305 M) Above Sea level) SPECIFIC GRAVITY OF NATURAL GAS AVG.
- Page 47 Table 15 - - Orifice Size and Manifold Pressure (In. W.C.) for Gas Input Rate (Con’t.) (Tabulated Data Based on 21,000 Btuh High- -Heat/14,500 Btuh for Low- -Heat Per Burner, Derated 4 Percent for Each 1000 Ft. (305 M) Above Sea level) SPECIFIC GRAVITY OF NATURAL GAS AVG.
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Page 48: Check Safety Controls
Check Safety Controls SW1- -7 and SW1- -8 for the blower OFF DELAY are set as desired per Table 10. The flame sensor, gas valve, and pressure switch were all checked 3. Verify that blower and burner access doors are properly in- in the Start- -up procedure section as part of normal operation. - Page 49 General NOTE: The Status Codes cannot be retrieved by disconnecting the limit switch or draft safeguard switch. To retrieve Status These instructions are written as if the furnace is installed in an Codes, follow the procedure below. upflow application. An upflow furnace application is where the blower is located below the combustion and controls section of 2.
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Page 50: Care And Maintenance
CARE AND MAINTENANCE have furnace and burner serviced by a qualified service agency. WARNING 5. Inspect the vent pipe/vent system before each heating sea- son for rust, corrosion, water leakage, sagging pipes or broken fittings. Have vent pipes/vent system serviced by a FIRE OR EXPLOSION HAZARD qualified service agency. - Page 51 Table 16 – Filter Size Information - - In. (mm) FILTER SIZE FURNACE CASING WIDTH SIDE BOTTOM FILTER TYPE RETURN RETURN 16 X 25 X 3/4 14 X 25 X 3/4 14 ---1/2 (368) Washable* (406 X 635 X 19) (356 X 635 X 19) 16 X 25 X 3/4 16 X 25 X 3/4...
- Page 52 9. Using field- -provided 25- -caliber rifle cleaning brush, 36- -in. (914 mm) long, 1/4- -in. (6 mm) diameter steel spring cable, a variable speed, follows: a. Remove metal screw fitting from wire brush to allow insertion into cable. b. Insert the twisted wire end of brush into end of spring cable, and crimp tight with crimping tool or crimp by striking with ball- -peen hammer.
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Page 53: Sequence Of Operation
13. Reconnect wires to the following components (Use con- heat. (See Table 10.) When the W2 thermostat terminal is nection diagram on wiring label, if wires were not marked energized it will always cause high- -heat operation when the for reconnection locations.): R- -to- -W circuit is closed, regardless of the setting of the low- -heat only switch. - Page 54 AIR CONDITIONING TONS (12,000 BTU/HR) AIRFLOW (CFM) 070 MODEL 090 MODEL 110 & 135 MODELS 1-1/2 2-1/2 1050 3-1/2 1225 1400 1750 2100 X- - Indicated an allowable selection. BASED ON 350 CFM/TON (SETUP SWITCH SW1---5 OFF, SW4---3 OFF) SETUP SWITCH SW2 OR SW3 POSITIONS Model Size 3T-045 1050...
- Page 55 d. Flame- -Proving - - When the burner flame is proved at The start up and shut down functions and delays described in the flame- -proving sensor electrode FSE, the inducer item 1. above apply to the 2- -stage heating mode as well, except motor IDM switches to low- -speed unless the furnace for switching from low- - to high- -Heat and vice versa.
- Page 56 long as the thermostat continues to call for cooling. Subsequent a. Low cooling- -When the R- -to- -G- -and- -Y1 circuit is closed and there is a demand for dehumidification, the selection is based on stored history of the thermostat cycle times. furnace blower motor BLWM will drop the blower wall thermostat...
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Page 57: Troubleshooting
flow. When the thermostat is satisfied, the blower motor Y1 and Y/Y2 signals disappear at the same time, the blow- BLWM will operate an additional 90 seconds at low- -cool- er motor BLWM will remain on at low- -heat airflow for ing airflow before transitioning back to continuous- -blow- the selected blower- -OFF delay period. - Page 58 A02108A...
- Page 59 A02108B...
- Page 60 A02108C Fig. 58 - - Troubleshooting Guide...
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Page 61: Parts Replacement Information Guide
TO OBTAIN INFORMATION ON PARTS: Consult your installing dealer or classified section of your local telephone directory under “Heating Equipment” or “Air Conditioning Contractors and Systems” headings for dealer listing by brand name or contact: BRYANT HEATING & COOLING SYSTEMS Consumer Relations Department P.O. - Page 62 Catalog No. II880TA ---01 E2019 Bryant Heating & Cooling Systems 7310 W. Morris St. Indianapolis, IN 46231 Edition Date: 4/19 Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
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