Io-280g 7/07 goodman manufacturing company, l.P. 5151 san felipe, suite 500, houston, tx 77056 www.Goodmanmfg.Com © 2004-2007 goodman manufacturing company, l.P. I nstallation i nstructions gmv95/gcv9 t wo -s tage g as -f ired w arm a ir f urnace *note: please contact your distributor or our website...
2 table of contents i. Component identification ............................................................................................................................................... 5 ii. Safety ..................................................................................................
3 xiv. Startup procedure & adjustment ............................................................................................................................. 28 h eat a nticipator s etting ............................................................................................................
4 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 . - what to do if you ...
5 i. Component identification 1 two-stage gas valve 2 gas line entrance (alternate) 3 pressure switch(es) 4 gas manifold 5 combustion air intake connection 6 hot surface igniter 7 rollout limit 8 burners 9 flame sensor 10 flue pipe connection 11 flue pipe 12 combustion air intake (alternate) 13 prim...
6 4. Discharge your body to ground before removing a new control from its container. Follow steps 1 through 3 if installing the control on a furnace. Return any old or new controls to their containers before touching any ungrounded object. Iii. Product application this furnace is primarily designed ...
7 iv. Location requirements & considerations g eneral t o prevent possible equipment damage , property damage , personal injury or death , the following bullet points must be observed when installing the unit . Warning follow the instructions listed below when selecting a furnace loca- tion. Refer a...
8 mum clearances to combustible surfaces. One of the ventilation openings must be within 12 inches of the top; the other opening must be within 12 inches of the bottom of the confined space. In a typical construction, the clearance between the door and door frame is usually adequate to satisfy this ...
9 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 nfpa 54/ ansi z223.1 (section 5.3), or cs...
10 fu rnace water heater outlet air chimney o r gas vent note: the inlet and outlet air openings must each have a free area of not less than one square inch per 4000 btu of the total input rating of all equipment in the enclosure. Inlet air duct [ends 1 ft (3 00 mm) above floor] ventilation louvers ...
11 5. When directly communicating with the outdoors, the single open- ing shall have a minimum free area of 1 square inch per 3,000 btu per hour of total input rating of all equipment in the enclo- sure. 5.3.4 specially engineered installations: the requirements of 5.3.3 shall not necessarily govern...
12 air discharge air discharge air discharge bottom return duct connection bottom return duct connection bottom return duct connection side return duct connection side return duct connection upflow upright upflow horizontal right air discharge upflow horizontal left air discharge alternate flue and ...
13 air intake pipe (when applicable) terminations. Refer to non-di- rect vent (single pipe) piping and direct vent (dual pipe) piping located in this section for specific details on termination construc- tion. • all terminations (flue and/or intake) must be located at least 12 inches above ground le...
14 s tandard f urnace c onnections it is the responsibility of the installer to ensure that the piping connections to the furnace are secure, airtight, and adequately supported. As shipped, attachment “couplings” for vent/flue and combustion air intake pipe connections are provided on the furnace’s ...
15 cut the vent/flue pipe 3.75 inches from the blower deck coupling. See vent/flue pipe cuts figure. Save vent/flue pipe attached to blower deck coupling for use in the alternate location. Discard remaining pipe and elbows. Flange cut here 3.75" vent/flue pipe cuts 5. Remove plastic plug from altern...
16 pipe) piping - vent/flue pipe terminations for specific details on termination construction. Although non-direct vent installations do not require a combustion air intake pipe, a minimum of one 90° elbow should be attached to the furnace’s combustion air intake if: an upright installation uses th...
17 diameter pipe. To secure the pipe passing through the wall and prohibit damage to piping connections, a coupling should be in- stalled on either side of the wall and solvent cemented to a length of pipe connecting the two couplings. The length of pipe should be the wall thickness plus the depth o...
18 3) minimum requirements for each vent/flue & combustion air intake pipe is five (5) feet in length and one elbow/tee. 4) 3” diameter pipe can be used in place of 2” diameter pipe. 5) increased clearance configurations using (2) 45 deg. Long sweep elbows should be considered equivalent to one 90 d...
19 vents 24" max. 3" min. 12" min. Screen 24" max. 90° medium radius elbows 24" max. 3" min. 3" min. 12" min. Above highest anticipated snow level horizontal venting of multiple units c oncentric v ent t ermination refer to the directions provided with the concentric vent kit (dcvk) for installation...
20 left side panel front cover drain port hose a side panel drain holes tube(s) 2 drain trap green hose clamps (3 places) tube 1 rubber elbow hose b rubber elbow drain port red hose clamp red hose clamp upright “standard” connections - left side (upflow shown, counterflow similar) 3. Cut and remove ...
21 hose a hose b side panel grommet holes green hose clamp (3 places) tube 1 rubber elbow right side panel drain trap tubes 2 rubber elbow drain port front cover drain port front cover pressure tap red hose clamp red hose clamp horizontal connections - right side down (upflow shown, counterflow simi...
22 115 v olt l ine c onnections before proceeding with electrical connections, ensure that the sup- ply voltage, frequency, and phase correspond to that specified on the unit rating plate. Power supply to the furnace must be n.E.C. Class 1, and must comply with all applicable codes. The furnace must...
23 g y two-stage heating with two-stage cooling r b/c g r w1 w2 o ylo y dehum twin neu hot furnace integrated control module thermostat two-stage heating with two-stage cooling ( ) remote condensing unit (two-stage cooling) dehumidistat [optional] y c ylo ylo w2 w1 thermostat diagrams this furnace i...
24 optional accessories ea c -h 12 circuit connector integrated control module electronic air cleaner humidifier hum -n hum -h eac -n optional accessories ea c -n 12 circuit connector integrated control module electronic air cleaner humidifier hum -h hum -n eac -h accessories wiring if it is necessa...
25 • connect the furnace to the building piping by one of the following methods: – rigid metallic pipe and fittings. – semi-rigid metallic tubing and metallic fittings. Aluminum alloy tubing must not be used in exterior locations. In order to seal the grommet cabinet penetration, rigid pipe must be ...
26 2. Proper pressure regulation. (two-stage regulation is recommended for both cost and efficiency). 3. Pressure drop in lines between regulators, and between second stage regulator and the appliance. Pipe size will depend on length of pipe run and total load of all appliances. Complete information...
27 xiii. Circulating air & filters d uctwork - a ir f low duct systems and register sizes must be properly designed for the cfm and external static pressure rating of the furnace. Design the ductwork in accordance with the recommended methods of “air conditioning contractors of america” manual d. In...
28 u pright i nstallations depending on the installation and/or customer preference, differ- ing filter arrangements can be applied. Filters can be installed in the central return register or a side panel external filter rack kit (upflows). As an alternative a media air filter or electronic air clea...
29 on/off switch inlet pressure boss high fire coil terminal (hi) low fire regulator adjust manometer manometer hose a high fire regulator adjust regulator vent common terminal (c) coaxial coil terminal (m) outlet pressure boss open to atmosphere white-rodgers model 36g54 connected to manometer 1. T...
30 1. Turn off the gas supply to all other gas-burning appliances except the furnace. 2. While the furnace is operating, time and record one complete revolution of the smallest gas meter dial. 3. Calculate the number of seconds per cubic foot (sec/ft 3 ) of gas being delivered to the furnace. If the...
31 furnace for a minimum of 10 seconds, allowing motor to reset and recognize new speed selection. Turn on power to furnace. Verify cfm by counting the number of times the green cfm led blinks. 5. The multi-speed circulator blower also offers several custom on/off ramping profiles. These profiles ma...
32 • profile d ramps up to 50% of the demand for 1/2 minute, then ramps 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 d has a 1/ 2 minute at 50% airflow off delay. 82% cfm 7 1/2 min 100% cfm 5...
33 • furnace runs, integrated control module monitors safety circuits continuously. • if the two-stage thermostat changes the call from low heat to high heat, the integrated control module will immediately switch the induced draft blower, gas valve, and circulator blower to their high stage settings...
34 a uxiliary l imit the auxiliary limit controls are located on or near the circulator blower and monitors blower compartment temperatures. They are a normally-closed (electrically), manual-reset sensors. These lim- its guard against overheating as a result of insufficient conditioned air passing o...
35 *note: please contact your distributor or our website for the applicable specification sheet referred to in this manual. F ilters t o ensure proper unit performance , adhere to the filter sizes given in the recommended m inimum f ilter s ize t able or s pecification s heet applicable to your mode...
36 3. Grasp lower portion of filter and lift up. Front of furnace blower grab here and lift f ilt e r front of furnace blower 4. Angle filter toward the blower until filter clears bottom rail. 5. Lower filter down and pull outward. Front of furnace blower front of furnace blower 6. Replace filter by...
37 1 integrated control module will automatically attempt to reset from lockout after one hour. Troubleshooting chart • furnace lockout due to an excessive number of ignition “retries” (3 total) 1 and “recycles infinite”. • locate and correct gas interruption. • check front cover pressure switch ope...
38 c continuous flashing • furnace fails to operate. • integrated control module diagnostic led is flashing continuously. • polarity of 115 volt power is reversed. • polarity of 115 volt ac power to furnace or integrated control module is reversed. • poor unit ground. • review wiring diagram to corr...
39 wiring diagram dehum w a r n in g :d is c o n n e c t p r o p e r l y p o l a r iz e d s e r v ic in g . W ir in g t o u n it m u s t b e a n d g r o u n d e d . P o w e r b e f o r e d is c o n n e c t p o w e r m u s t b e p r o p e r l y b e f o r e s e r v ic in g . W ir in g t o u n it p o l...
40 © 2004-2007 goodman manufacturing company, l.P. 5151 san felipe, suite 500 houston, tx 77056 www.Goodmanmfg.Com.
