Io-243 6/04 © 2004 goodman manufacturing company, l.P. Installer: affix all manuals adjacent to the unit. *note: please contact your distributor or our website for the applicable product data book referred to in this manual. Attention installing personnel as a professional installer you have an obli...
2 io-243 6/04 table of contents i. Component identification ............................................................................................................................................... 5 ii. Safety.......................................................................................
3 io-243 6/04 xiv. Startup procedure & adjustment ............................................................................................................................. 27 h eat a nticipator s etting ................................................................................................
4 io-243 6/04 warning i f the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life. – d o not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. – wh...
5 io-243 6/04 i. Co i. Co i. Co i. Co i. Compo mpo mpo mpo mponent id nent id nent id nent id nent identifi entifi entifi entifi entific c c c ca a a a ati ti ti ti tio o o o on n n n n 1 two-stage gas valve 2 gas line entrance (alternate) 3 pressure switch(es) 4 gas manifold 5 combustion air intake...
6 io-243 6/04 3. Service integrated control module or connecting wiring following the discharge process in step 2. Use caution not to recharge your body with static electricity; (i.E., do not move or shuffle your feet, do not touch ungrounded objects, etc.). If you come in contact with an ungrounded...
7 io-243 6/04 • set the furnace on a level floor to enable proper condensate drainage. If the floor becomes wet or damp at times, place the furnace above the floor on a concrete base sized approximately 1-1/2" larger than the base of the furnace. Refer to the section vii, horizontal applications and...
8 io-243 6/04 c. In so far as practical, close all building doors and windows and all doors between the space in which the appliance(s) connected to the venting system are located and other spaces of the building. Turn on clothes dryers and any appliance not connected to the venting system. Turn on ...
9 io-243 6/04 5.3.2 equipment located in unconfined spaces: in unconfined spaces (see definition below) in buildings, infiltration may be adequate to provide air for combustion ventilation and dilution of flue gases. However, in buildings of tight construction (for example, weather stripping, heavil...
10 io-243 6/04 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 water heater opening chimney or gas vent note: the single opening must...
11 io-243 6/04 vii. Ho vii. Ho vii. Ho vii. Ho vii. Horizo rizo rizo rizo rizont nt nt nt ntal appli al appli al appli al appli al applic c c c ca a a a ati ti ti ti tio o o o ons & co ns & co ns & co ns & co ns & consid nsid nsid nsid nsidera era era era erati ti ti ti tio o o o ons ns ns ns ns g e...
12 io-243 6/04 high altitude installations may require both a pressure switch and an orifice change. These changes are necessary to compensate for the natural reduction in the density of both the gas fuel and the com- bustion air at higher altitude. For installations above 7000 feet, please refer to...
13 io-243 6/04 • less than 72 inches from the combustion air intake of another appliance. • directly above a gas utility meter or service regulator. • over a walkway unless located 84 inches above grade. S tandard f urnace c onnections it is the responsibility of the installer to ensure that the pip...
14 io-243 6/04 additional access to a filter or electronic air cleaner, or to horizontal installations desiring vent/flue (and combustion air intake) piping run vertically from the side of the cabinet. Note: standard and alternate locations can be combined (i.E., an installation may use the standard...
15 io-243 6/04 a lternate c ombustion a ir i ntake l ocation the alternate combustion air intake location is the large hole notin line with the induced draft blower outlet. To use the alternate com- bustion air intake location, refer to the following steps, and the “al- ternate combustion air intake...
16 io-243 6/04 12 " min to roof or highest anticipated snow level tee vertical termination (single pipe) 12" min. To roof or highest anticipated snow level 90º medium radius elbows alternate vertical termination (single pipe) min. 12" from wall 12" to ground or highest anticipated snow level wall in...
17 io-243 6/04 tions or concentric vent termination for specific details on termina- tion construction. For details concerning connection of pipes to the furnace, refer to the section ix, vent/flue pipe and combustion pipe - standard furnace connections or alternate furnace connections. V ent /f lue...
18 io-243 6/04 support straps 90° medium radius elbows 12" min. Vent/flue tee screen combustion air intake. 12" min. Above highest anticipated snow level 12" min. Above highest anticipated snow level 3" min. 24" max. 12" min standard horizontal terminations above anticipated snow level (dual pipe) a...
19 io-243 6/04 hose a qty: 1 hose b qty: 1 tube 1 qty: 1 red tube 2 qty: 2 hose clamps qty: 2 green hose clamps qty: 3 hose and tube identification 1. Remove the rubber plug from the front cover drain port (right or left side, depending on the intended drain trap mounting). 2. Secure hose a to front...
20 io-243 6/04 2. Secure drain trap to side panel at the mounting holes (dimples or crosshairs on counterflow models) located below the grommet drain holes. 3. Attach pvc drain line to drain trap outlet with either a 90° elbow or coupling. H orizontal i nstallations r ight s ide d own horizontal ins...
21 io-243 6/04 junction box tube 1 hose b green hose clamps tube installation with green hose clamps counterflow units with a 17 1/2” cabinet width. Insert approximately one inch of cut tube 2 through left side panel grommet hole and secure to hose a with a hose clamp. Insert uncut tube 2 through re...
22 io-243 6/04 warning t o avoid the risk of injury, electrical shock or death, the furnace must be electrically grounded in accordance with local codes or, in their absence, with the latest edition of the n ational e lectric c ode. To ensure proper unit grounding, the ground wire should run from th...
23 io-243 6/04 4. Secure the dehumidistat ground wire (typically the green lead) to the ground screw on the furnace junction box. Note: ground wire may not be present on all dehumidistats. 5. Turn on power to furnace. To enable the dehumidify function on the integrated control module: 1. Cut the jum...
24 io-243 6/04 propane gas natural gas inlet gas supply pressure minimum:5.0" w.C. Maximum :10.0" w.C. Minimum:11.0" w.C. Maximum :13.0" w.C. H igh a ltitude d erate when this furnace is installed at high altitude, the appropriate high altitude orifice kit must be applied. This is required due to th...
25 io-243 6/04 i ndirect /a lternate i nlet p iping when gas piping enters indirectly to the gas valve through the alter- nate gas inlet hole the following fittings (starting from the gas valve) to reach the outside of the cabinet must be supplied: • coupling. • 90 degree elbow. • 2 inch close nippl...
26 io-243 6/04 xiii. Cir xiii. Cir xiii. Cir xiii. Cir xiii. Circul cul cul cul cula a a a atin tin tin tin ting air & fil g air & fil g air & fil g air & fil g air & filter ter ter ter ters s s s s d uctwork - a ir f low duct systems and register sizes must be properly designed for the cfm and exte...
27 io-243 6/04 600 800 1000 1200 1400 1600 2000 0453__xa 376* 384 480 576 --- --- --- 0704__xa --- --- 627* 627* 672 768 --- 0905__xa --- --- --- 836* 836* 836* 960 1155__xa --- --- --- 940* 940* 940* 960 600 800 1000 1200 1400 1600 2000 0704__xa --- --- 320* 320* 336 384 --- 0905__xa --- --- --- 42...
28 io-243 6/04 6. Wait five minutes then smell for gas. Be sure check near the floor as some types of gas are heavier than air. 7. If you smell gas after five minutes, immediately follow the instructions on page 4 of this manual. If you do not smell gas after five minutes, move the furnace gas valve...
29 io-243 6/04 gas rate range nominal high stage 3.0 to 3.6" w.C. 3.5" w.C. Low stage 1.6 to 2.2" w.C. 1.9" w.C. High stage 9.7 to 10.3" w.C. 10.0" w.C. Low stage 5.7 to 6.3" w.C. 6.0" w.C. Manifold gas pressure propane gas natural gas 5. For natural gas, adjust the gas valve manifold pressure regul...
30 io-243 6/04 c irculator b lower s peeds warning t o avoid personal injury or death due to electrical shock, turn off power to the furnace before changing speed taps. This furnace is equipped with a multi-speed circulator blower. This blower provides ease in adjusting blower speeds. The product da...
31 io-243 6/04 100% cfm 100% cfm 1 min cooling demand 50% cfm 1/2 min off off • profile c ramps up to 82% of the full cooling demand airflow and operates there for approximately 7 1/2 minutes. The motor then steps up to the full demand airflow. Profile c also has a one (1) minute 100% off delay. Off...
32 io-243 6/04 • igniter warm up begins upon step to low speed and presence of closed low stage pressure switch contacts. • gas valve opens at end of igniter warm up period, delivering gas to burners and establishing flame. • integrated control module monitors flame presence. Gas valve will remain o...
33 io-243 6/04 nace has been operating (burners firing) for approximately ten min- utes. Check the control as follows: 1. Allow the furnace to operate with burners firing continuously for approximately ten minutes. 2. Gradually block the return air to furnace. Remove airflow blockage when limit cont...
34 io-243 6/04 xix. Maintenan xix. Maintenan xix. Maintenan xix. Maintenan xix. Maintenance ce ce ce ce warning t o avoid electrical shock, injury or death, disconnect electrical power before performing any maintenance. If you must handle the igniter, handle with care. T ouching the igniter element ...
35 io-243 6/04 8. Clean the primary heat exchanger tubes using a wire brush attached to a length of high grade stainless steel cable, such as drain cleanout cable. Attach a variable speed reversible drill to the other end of the cable. Slowly rotate the cable with the drill and insert it into one of...
36 io-243 6/04 appendix.
37 io-243 6/04 1 integrated control module will automatically attempt to reset from lockout after one hour. Tr tr tr tr troublesh oublesh oublesh oublesh oubleshoo oo oo oo ootin tin tin tin ting char g char g char g char g chart t t t t • furnace lockout due to an excessive number of ignition “retr...
38 io-243 6/04 • inspect pressure switch hose. Repair, if necessary. • inspect flue and/or inlet air piping for blockage, proper length, elbows, and termina- tion. Check drain system. Correct as necessary. • correct pressure switch setpoint or contact motion. • tighten or correct wiring connection. ...
39 io-243 6/04 wirin wirin wirin wirin wiring diagra g diagra g diagra g diagra g diagram m m m m no c manual reset rollout limit controls (single control on 45 kbtu) pk -17 bu -27 yl yellow or orange vt violet gn green bk black br brown wh white bu blue gy gray rd red color codes: low voltage (24v)...
40 io-243 6/04 goodman manufacturing company, l.P. Houston, texas www.Goodmanmfg.Com © 2004 goodman manufacturing company, l.P..
