Goodman AMV8 manual

These furnaces comply with requirements embodied in the American National St andard / National S tandard of Canada ANSI Z21.47·CSA-2.3 Gas Fired Central Furnaces. RECOGNIZE THIS SYMBOL AS A SAFETY PRECAUTION. A TTENTION INST ALLING PERSONNEL As a professional installer you have an obligation to know the product better than the customer . This incl[...]

2 IO-247A 12/04 T able of Contents I. W arnings .................................................................................................................... ...................................................... 3 T O T HE O WNER ................................................................................................................[...]

3 IO-247A 12/04 T able of Contents N ORMAL C OOLING S EQUENCE ........................................................................................................................... 21 C ONST ANT F AN ............................................................................................................................... ................ [...]

4 IO-247A 12/04 WAR NI NG S HOULD OVER HEATING OCCUR OR THE G AS SUPPLY FAIL TO S HUT OFF, TURN OFF THE MANUAL GAS SHUTOFF VALVE E X TERNAL TO THE FURNACE BEFO RE TURNING OFF THE ELECTRICAL SUPPLY. CARBON M ONOXID E POISO NING HAZ ARD - Speci a l Warning for In stall atio n of Fur nac e or Air Handl ing Unit s in Encl osed Areas s uch a s Gara ges,[...]

5 IO-247A 12/04 WARNING T HIS PRODUCT C O NTAINS OR PRODUCES A CHEMICAL O R CHEMICALS WHICH MAY CAUSE SERIOUS ILLNE SS OR DEATH AND WHICH ARE KNOWN TO THE S TATE O F C ALIFORNIA TO CAUSE CANCER, BIRTH DEFECTS OR OTHE R REPRODUCTIV E HARM. WARN I NG T O PREVENT POSSI BLE P ROP ERTY DAMAGE, PERSONAL INJURY OR DEATH DUE TO ELECTRICAL SHOCK, THE FURNAC[...]

6 IO-247A 12/04 • Provisions must be made for venting combustion products outdoors through a proper venting system. The length of flue pipe could be a limiting factor in locating the furnace. • Ensure adequate combustion air is available for the furnace. Improper or insufficient combustion air can expose building occupant s to gas combustion pr[...]

7 IO-247A 12/04 ACCESSIBILITY CLEARANCE,WHERE GREA TER, SHOULD T AKE PRECEDENCE OVER MINIMUM FIRE PROTECTION CLEARANCE. A gas-fired furnace for installation in a residential garage must be installed so that the ignition source and burners are located not less than eighteen inches (18") above the floor and is protected or located to prevent phy[...]

8 IO-247A 12/04 safety exhaust, odor control, and air for compressors. (d) In addition to air needed for combustion, air shall be supplied for ventilation, including all air required for comfort and proper working conditions for personnel. (e) While all forms of building construction cannot be covered in detail, air for combustion, ventilation and [...]

9 IO-247A 12/04 (b) All Air from Outdoors: The confined space shall be provided with two permanent openings, one commencing within 12 inches of the top and one commencing within 12 inches of the bottom of the enclosure. The openings shall communicate directly , or by ducts, with the out doors or spaces (crawl or attic) that freely communicate with [...]

10 IO-247A 12/04 5.3.5 Louvers and Grilles: In calculating free area in 5.3.3, consideration shall be given to the blocking effect of louvers, grilles or screens protecting openings. Screens used shall not be smaller than 1/4 inch mesh. If the area through a design of louver or grille is known, it should be used in calculating the size of opening r[...]

11 IO-247A 12/04 VII. EXTERIOR MASONR Y CHIMNEYS - CA TEGORY I FURNACES ONL Y An exterior masonry chimney is defined as a “Masonry chimney exposed to the outdoors on one or more sides below the roof line.” The ability to use a clay lined masonry chimney depends on a parameter not associated with interior chimneys. This variable is the geographi[...]

12 IO-247A 12/04 C HECK 3 - C HIMNEY C ROWN C ONDITION . Damage from condensate usually shows up first in the crown. If any of the following trouble signs are present, the condition of the crown is not satisfactory: a) Crown leaning b) Bricks missing c) Mortar missing d) T ile liner cracked e) No tile liner f) Salt staining at mort ar joint s. (Whi[...]

13 IO-247A 12/04 If a metal liner is not present, a clay tile liner must be present, or the chimney must be lined (Fix 4). Use a flashlight and small mirror at the cleanout or vent connector to inspect the clay tile liner . If any of the following problems are present: • T ile sections misaligned • T ile sections missing • Gaps between tile s[...]

14 IO-247A 12/04 WARNING T O AVOID THE RISK OF INJURY, EL E C TRIC A L SHO CK OR D E ATH, THE FURNACE MUS T BE ELEC TRICALLY GRO UNDED IN ACCORDANCE WITH LO C AL CODES OR, IN TH EIR ABSENCE, WITH THE LATEST EDITION OF THE N ATIONAL E LECTRIC C ODE. W IRING H ARNESS The wiring harness is an integral part of this furnace. Field alteration to comply w[...]

15 IO-247A 12/04 burner compartment will need to move the juction box directly over . 4. Attach the junction box to the right side of the furnace, using the screws removed in step 2. 5 . Check the location wiring. Confirm that it will not be damaged by heat from the burners or by the rotation of the fan. Also confirm that wiring location will not i[...]

16 IO-247A 12/04 Thermostat Diagrams S ETTING THE H EAT A NTICIPATOR The following method should be used in measuring the amp draw of the control circuit to assure proper adjustment of the thermostat heat anticipator R R • Wrap the “R” leg around a clip-on amp meter 10 times. • Energize the furnace in the heat mode. • Record the reading. [...]

17 IO-247A 12/04 All field wiring must conform to applicable codes. Connections should be made as shown in the following illustration. EAC Line Tr an sf orme r Hum Line Tr an sf orme r EAC Hum Air Cl eaner Humidi fi er Cont r ol Modu le Hot 1 20 VAC Neutr al 120 VAC Opti onal Accessories { Figure 15 - Accessories Wiring If it is necessary for the i[...]

18 IO-247A 12/04 1,000 Btu/ft 3 is determined by- Corrected Input = 90,000 - (6,000 X .04) X (90,000 / 1,000) Corrected Input = 90,000 - (240 X 90) Corrected Input = 90,000 - 21,600 Corrected Input = 68,400 Using the orifices sized as shown in the table for 6,000 feet (#45), a meter time of 52.6 seconds is measured. The actual firing rate of the fu[...]

19 IO-247A 12/04 • Install a drip leg to trap dirt and moisture before it can enter the gas valve. The drip leg must be a minimum of three inches long. • Install a 1/8" NPT pipe plug fitting, accessible for test gage connection, immediately upstream of the gas supply connection to the furnace. • Use two pipe wrenches when making connecti[...]

20 IO-247A 12/04 For satisfactory operation, propane gas pressure must be 1 1 inch WC at the furnace manifold with all gas appliances in operation. Maintaining proper gas pressure depends on three main factors: 1. V aporization rate, depending on temperature of the liquid, and “wetted surface” area of the container or cont ainers. 2 . Proper pr[...]

21 IO-247A 12/04 F ILTERS - R EAD T HIS S ECTION B EFORE I NSTALLING T HE R ETURN A IR D UCTWORK Filters must be used with this furnace. Discuss filter maintenance with the building owner . Filters do not ship with this furnace, but must be provided by the installer . Filters must comply with UL900 or CAN/ULCS1 1 1 standards. If the furnace is inst[...]

22 IO-247A 12/04 1. Close the manual gas shutoff valve external to the furnace. 2. Turn off the electrical power to the furnace. 3. Set the room thermostat to the lowest possible setting. 4. Remove the burner compartment door . NOTE: This furnace is equipped with an ignition device which automatically lights the burner . Do not try to light the bur[...]

23 IO-247A 12/04 manifold pressure, use the following procedure. 1. T urn OFF gas to furnace at the manual gas shutoff valve external to the furnace. 2. Connect a calibrated water manometer (or appropriate gas pressure gauge) at the gas valve outlet pressure tap (refer to gas valve figure in previous section). 3. T urn ON the gas supply and operate[...]

24 IO-247A 12/04 5. Turn ON gas and relight appliances turned off in step 1. Ensure all the appliances are functioning properly and that all pilot burners are operating. T EMPERATURE R ISE Air temperature rise is the temperature difference between supply and return air . The proper amount of temperature rise is usually obtained when the unit is ope[...]

25 IO-247A 12/04 OFF 100% CFM Coolin g Dem an d 100% C FM 1 m i n 50 % CF M OFF ½ min • Profile C ramp s up to 82% of the full cooling demand airflow and operates there for approximately 7 ½ minutes. The motor then steps up to the full demand airflow . Profile C also has a 1 minute/100% OFF delay . 100% CFM 100% CFM 1 mi n 82% CFM Coolin g Dema[...]

26 IO-247A 12/04 XIII. OPERA TIONAL CHECKS WARNING T O AVOID PERSONAL INJURY OR DEATH, DO NOT REM OVE ANY INTER NAL COMPARTMENT COVERS OR ATTEMP T ANY A DJUSTMENT. E LECTRICAL COMPONENTS ARE CONTAINED IN BOTH CO MPARTMENTS. T O PR EVENT PROPERTY DA MAGE, P ERSONAL INJ URY O R DEATH DUE TO EXPLOSION AND/OR FI RE, CO NTACT A Q UALIFIED SERVICE AGENT [...]

27 IO-247A 12/04 XV . TROUBLESHOOTING E LECTROSTATIC D ISCHARGE (ESD) P RECAUTIONS NOTE: Discharge body’ s static electricity before touching unit. An electrostatic discharge can adversely af fect electrical components. Use the following precautions during furnace installation and servicing to protect the integrated control module from damage. By[...]

28 IO-247A 12/04 U PRIGHT F ILTER R EMOVAL T o remove filters from an external filter rack in an upright upflow installation, follow the directions provided with external filter rack kit. Clean, wash and dry a permanent filter . When using a metal filter , both sides should be sprayed with a dust adhesive as recommended on adhesive container . S pr[...]

29 IO-247A 12/04 1 Integrated control module will automatically attempt to reset from lockout after one hour . T roubleshooting Chart • Furnace lockout due to an excessive number of ignition “retries” (3 total) 1 . • Auxiliary limit open • Locate and correct gas interruption. • Replace or realign igniter . • Check flame sense signal. [...]

30 IO-247A 12/04 T roubleshooting Chart Fault Description(s) Symptoms of Abnormal Operation 4 4 FLASHES Associated LED Code 2 • Circulator blower runs continuously . No furnace operation. • Integrated control module diagnostic LED is flashing FOUR (4) flashes. 7 7 FLASHES • Normal furnace operation. • Integrated control module diagnostic LE[...]

31 IO-247A 12/04 Wiring Diagram A U T O R E S E T F U S E 3 A YL 2 4 V A C PR D R A F T P R E S S U R E S W I T C H I N T E G R A T E D C O N T R O L 9 3 . I F A N Y O F T H E O R I G I N A L W I R E A S S U P P L I E D W I T H T H E F U R N A C E M U S T B E 4 . U N I T M U S T B E P E R M A N E N T L Y G R O U N D E D A N D C O N F O R M T O N . [...]

32 IO-247A 12/04 NOTE: SPECIFICA TIONS AND PERFORMANCE DA T A LISTED HEREIN ARE SUBJECT TO CHANGE WITHOUT NOTICE Quality Makes the Difference! All of our systems are designed and manufactured with the same high quality standards regardless of size or efficiency . W e have designed these unit s to significantly reduce the most frequent causes of pro[...]