Goodman GDS8 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-242C 05/05 T able of Contents I. W arnings .................................................................................................................... ...................................................... 3 T O T HE O WNER ................................................................................................................[...]

3 IO-242C 05/05 T able of Contents XII. Start-up Procedure and Adjustment ......................................................................................... ................................ 2 1 F URNACE O PERA TION ................................................................................................................................[...]

4 IO-242C 05/05 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-242C 05/05 WARN I NG T O PREVENT POSSI BLE P ROP ERTY DAMAGE, PERSONAL INJURY OR DEATH DUE TO ELECTRICAL SHOCK, THE FURNACE MUST BE LOCATED TO PROTECT THE EL ECTR ICAL COM PON ENTS FR OM WATER . WARN I NG T HIS UNIT MUST NOT BE USED AS A "CO NSTRUCTION HEATER" DURING THE FINISHING PHASES O F CONSTRUCTI ON ON A NE W STRUCTURE. T HI S [...]

6 IO-242C 05/05 • 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 occupants to gas combustion pro[...]

7 IO-242C 05/05 Refer to subbase instructions for installation details. Follow the instructions with the subbase for proper installation. Do not install the furnace directly on carpeting, tile, or other combustible material other than wood flooring. (Note: The subbase will not be required if an air conditioning coil is installed between the supply [...]

8 IO-242C 05/05 If this furnace is to be installed in the same space with other gas appliances, such as a water heater , ensure there is an adequate supply of combustion and ventilation air for the other appliances. Refer to the latest edition of the National Fuel Gas Code NFP A 54/ ANSI Z223.1 (Section 5.3), or CAN/CSA B149 Installation Codes (Sec[...]

9 IO-242C 05/05 Space, Unconfined. For purposes of this Code, a space whose volume is not less than 50 cubic feet per 1,000 BTU per hour of the aggregate input rating of all appliances installed in that space. Rooms communicating directly with the space in which the appliances are installed through openings not furnished with doors, are considered [...]

10 IO-242C 05/05 4. When ducts are used, they shall be of the same cross- sectional area as the free area of the openings to which they connect. The minimum dimension of rectangular air ducts shall not be less than 3 inches. Furnace Wat er Heater Open ing Ch im ne y o r Ga s Ve nt NO TE: Th e si ng l e o p eni ng mus t ha ve a free area of not le s[...]

11 IO-242C 05/05 Venting THIS FURNACE IS NOT DESIGN CERTIFIED TO BE HORIZONT ALL Y VENTED. Sup ply Air Upflow Rotated Induced Draft Blower T o rotate the induced draft blwer counterclockwise, proceed as follows: 1. Disconnect electrical power from the furnace. 2 . Disconnect the induced draft blower power leads, flue pipe, and pressure switch tubin[...]

12 IO-242C 05/05 Termination 10 Feet Or Less From Ridge, Wall or Parapet Termination More Than 10 Feet From Ridge, Wall or Parapet C HECK 2 - A NY SOLID OR LIQUID FUEL APPLIANCES VENTED INTO THIS CHIMNEY CHANNEL Solid fuel appliances include fireplaces, wood stoves, coal furnaces, and incinerators. Liquid fuel appliances include oil furnaces, oil-f[...]

13 IO-242C 05/05 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) Tile liner cracked e) No tile liner f ) Salt staining at mortar joints. (White[...]

14 IO-242C 05/05 • If the combustion air supplied to the furnace will be contaminated with compounds containing chlorine or fluorine, a liner of AL294C stainless steel should be used. Common sources of chlorine and fluorine compounds include indoor swimming pools and chlorine bleaches, paint strippers, adhesives, paints, varnishes, sealers, waxes[...]

15 IO-242C 05/05 CAUTION L AB EL ALL WIRES P RIOR TO DISCO NNECTI O N WHEN SE RVICING CO NTRO LS. W IRING ERROR S CAN CAUSE I MPROPER AND DAN GEROUS OPERATION . V E RIFY PROPER OPERATION AFTER SERVICI NG. WARNING T O AVOID THE RISK OF INJUR Y, ELECT RICAL SHOCK OR D EATH, T HE FURNACE MUS T BE ELECTRICALLY GROUNDED I N ACCORDANCE WIT H LOCAL CODES [...]

16 IO-242C 05/05 WARNING T O AVOID THE RISK O F I NJURY, ELECTRICA L SHOC K OR D EATH, THE FURNACE MUST BE ELECTRICALLY GROUNDED IN ACCO RDANCE W ITH LOC AL CODES O R, IN THEIR ABSENCE, WITH THE LATEST E D ITION OF THE N ATIONAL E LECTRIC C ODE. T o ensure proper unit grounding, the ground wire should run from the furnace ground screw located insid[...]

17 IO-242C 05/05 24 V AC H UM 1. 24 V AC Hum - A ¼” piggy back quick connect terminal on the pressure switch provides 24 V AC humidifier control. This terminal will be powered any time the pressure switch is closed. T o connect 24 V AC hum, connect 24vac line of humidifier to piggyback on the pressure switch. The com side of the humidfier to C o[...]

18 IO-242C 05/05 using a heating value of approximately 1,000 Btu/hr , and should not normally require change. Most cases will not require a change at altitudes up to 7,500 feet. For use at altitudes in excess of 4,500 feet, refer to the following table for maximum input rates based on altitude. Contact your local gas utility for the heating value [...]

19 IO-242C 05/05 This unit is configured for natural gas. The appropriate manufacturer’s propane gas conversion kit, must be applied for propane gas installations. Refer to the “Propane Gas and/or High Altitude Installations” section for details. Contact your distributor for a tabular listing of appropriate manufacturer’s kits for propane g[...]

20 IO-242C 05/05 C OUNTERFLOW I NSTALLATIONS When the gas piping enters through the left side of the furnace, the installer must supply a straight pipe to reach the exterior of the furnace. A ground joint union, drip leg, and manual shutoff valve must also be supplied by the installer . In some cases, the installer may also need to supply a transit[...]

21 IO-242C 05/05 3/8" 1/2" 5/8" 3/4" 7/8" 1-1/8" 1 /2" 3/4" 1" 1-1/4" 1-1 /2" 10 39 92 199 3 29 501 935 275 567 1,071 2,205 3,307 20 26 62 131 2 16 346 630 189 393 7 32 1,496 2,299 30 21 50 107 1 81 277 500 152 315 5 90 1,212 1,858 40 19 41 90 145 233 427 129 267 5 04 1,039 1,559 50 18 37 79 13[...]

22 IO-242C 05/05 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 burner by hand. 5. White-Rodgers Models 36F22/36G22: Push the switch to the OFF position. 6. Wait five minutes to c[...]

23 IO-242C 05/05 5. Turn OFF gas to furnace at the manual shutoff valve and disconnect manometer . Reinstall plug before turning on gas to furnace. 6. Turn OFF any unnecessary gas appliances started in step 3. W HITE -R ODGERS 36G22 G AS V ALVE The line pressure supplied to the gas valve must be within the range specified below . The supply pressur[...]

24 IO-242C 05/05 G AS M ANIFOLD P RESSURE M EASUREMENT AND A DJUSTMENT CAUTI ON T O PREVENT UNRE LI ABLE OP ERATION OR EQUIPMENT DAMAGE, THE GAS MANIFOLD PRESSURE MUST BE AS SPECIFIED ON THE UNIT RATING PLATE. O NLY MINOR ADJ USTMENTS SHOULD BE MADE BY ADJUSTING THE GAS VALVE PRESSURE REGULATO R. W HITE -R ODGERS 36F22 G AS V ALVE Only small variat[...]

25 IO-242C 05/05 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 operated at the rated input with the “as shipped” blower speed. If the correct amount of temperature rise is not obtained, it may be necessary to change[...]

26 IO-242C 05/05 C he ck th e bu rn e r fla m e s fo r: 1. G ood ad justm ent 2. Stable, soft and blue 3. N o t c u r lin g, flo atin g, o r lifting o ff. Burner Flame A UXILIARY L IMIT C ONTROL Auto reset limits are located on or near the blower . T o access this auxiliary limit, disconnect the electrical power and remove the blower door . If the [...]

27 IO-242C 05/05 Use the following precautions during furnace installation and servicing to protect the integrated control module from damage. By putting the furnace, the control, and the person at the same electrostatic potential, these steps will help avoid exposing the integrated control module to electrostatic discharge. This procedure is appli[...]

28 IO-242C 05/05 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-242C 05/05 1 Integrated control module will automatically attempt to reset from lockout after one hour . 2 LED Flash code will cease if power to the control module is interrupted through the disconnect or door switch. T ROUBLESHOOTING C HART • Furnace lockout due to an excessive number of ignition attempt (1 total) and “retries” (3 tota[...]

30 IO-242C 05/05 T ROUBLESHOOTING C HART 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. 6 6 FLASHES 7 7 FLASHES • Furnace fails to operate. • Integrated control module [...]

31 IO-242C 05/05 Wiring Diagram for GMS8/GDS8/GHS8 T O 1 1 5 V A C / 1 Ø / 6 0 H Z P O W E R S U P P L Y W I T H J U N C T I O N B O X G N D L I N E - N L I N E H D O O R S W I T C H P R O P E R L Y P O L A R I Z E D A N D G R O U N D E D . S E R V I C I N G . W I R I N G T O U N I T M U S T B E W A R N I N G : D I S C O N N E C T P O W E R B E F [...]

32 IO-242C 05/05 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[...]