Io-243f 11/05 © 2004-2005 goodman manufacturing company, l.P. I nstallation i nstructions gmv9/gcv9 t wo -s tage g as -f ired w arm a ir f urnace *note: please contact your distributor or our website for the applicable product data book referred to in this manual. Attention installing personnel as a...
2 table of contents i. Component identification ............................................................................................................................................... 5 ii. Safety ..................................................................................................
3 xiv. Startup procedure & adjustment ............................................................................................................................. 27 h eat a nticipator s etting ............................................................................................................
4 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. – what to do if ...
5 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 connection ...
6 2. Firmly touch a clean, unpainted, metal surface of the furnace near the control. Any tools held in a person’s hand during grounding will be discharged. 3. Service integrated control module or connecting wiring following the discharge process in step 2. Use caution not to recharge your body with ...
7 without proper freeze protection. Refer to section x, condensate drain lines and trap for further details. • ensure adequate combustion air is available for the furnace. Improper or insufficient combustion air can expose building occupants to gas combustion products that could include carbon monox...
8 nected to the venting system are not in operation: a. Seal any unused openings in the venting system; b. Inspect the venting system for proper size and horizontal pitch, as required by the national fuel gas code, nfpa 54/ansi z223.1 or the csa b149 installation codes and these instructions. Determ...
9 does not provide the necessary air, outside air shall be introduced. (c) in addition to air needed for combustion, process air shall be pro- vided as required for: cooling of equipment or material, controlling dew point, heating, drying, oxidation or dilution, safety exhaust, odor control, and air...
10 furnace water heater chimney or gas vent note: the air duct openings must have a free area of not less than one square inch per 2000 btu of the total input rating of all equipment in the enclosure*. Outlet air duct inlet air duct *if the appliance room is located against an outside wall and the a...
11 5.3.6 special conditions created by mechanical exhausting or fire- places: operation of exhaust fans, ventilation systems, clothes dryers, or fireplaces may create conditions requiring special attention to avoid unsatisfac- tory operation of installed gas utilization equipment. Air from inside bu...
12 section iv, location requirements and considerations - furnace suspension for further details. Viii. Pr viii. Pr viii. Pr viii. Pr viii. Pro o o o op p p p pane ga ane ga ane ga ane ga ane gas /hi s /hi s /hi s /hi s /high al gh al gh al gh al gh altitud titud titud titud titude inst e inst e ins...
13 c anadian v enting r equirements in canada, venting must conform to the requirements of the current can/csa-b149 installation code. Use only csa listed two or three inch diameter pvc or abs pipe, solvent cement, and fittings through- out. Carefully follow the pipe manufacturers’ instructions for ...
14 on upflow units secure the combustion air intake pipe directly to the air intake coupling. On counterflow units secure the combus- tion air intake pipe to the air intake coupling using the rubber cou- pling and worm gear hose clamps provided with the unit. The coun- terflow rubber coupling allows...
15 5 additional plug from drain kit 7 externally mount rubber elbow 6 secure to id blower with rubber coupling and hose clamps counterflow/upright (upflow similar) upflow remove 4 screws 3 remove pipe 2 detach rubber elbow from id blower and vent/flue pipe 1. Remove 4 screws 2 detatch rubber elbow f...
16 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 of the socket fittings to be in- stalled on the inside and outside of the wall. The wall penetration should be sealed with silic...
17 direct vent installations require both a combustion air intake and a vent/flue pipe. The pipes may be run horizontally and exit through the side of the building or run vertically and exit through the roof of the building. The pipes may be run through an existing unused chimney; however, they must...
18 support straps 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) alternate vent termination above antic...
19 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 cover drain...
20 rubber elbow (externally mounted) tube 1 green hose clamps (3 places) hose b tube(s) 2 drain trap side panel grommet holes hose a front cover drain port rubber elbow drain port red hose clamp red hose clamp upright “alternate” connections - right side only (upflow shown, counterflow similar) for ...
21 port using a green hose clamp. Note: for left side drainage, route hose to far left (down) side panel grommet holes. Note: horizontal left side connections (when using new side port drain elbow) does not require connecting a hose to the induced draft blower housing. 6. Cut 5 1/2 inches straight l...
22 the electrical power and perform the following check. 1. Measure resistance between the neutral (white) connection and one of the burners. 2. Resistance should measure 10 ohms or less. This furnace is equipped with a blower door interlock switch which interrupts unit voltage when the blower door ...
23 5. Turn on power to furnace. To enable the dehumidify function on the integrated control module: 1. Cut the jumper wire labeled “cut for dehum” located adjacent to the dehum screw terminal. Once the jumper wire is cut, the dehumidify function is enabled dur- ing a combination call for cooling (t-...
24 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 the natu- ral reduction in the density of both the gas fuel and combustion air as altitude increases. The kit will provide the proper design ...
25 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 nipple. • 90 degr...
26 tioning, warm air heating and ventilating systems. Pamphlets no. 90a and 90b. A closed return duct system must be used, with the return duct con- nected to the furnace. Note: ductwork must never be attached to the back of the furnace. Supply and return connections to the fur- nace may be made wit...
27 600 800 1000 1200 1400 1600 2000 0453__xa 376* 384 480 576 --- --- --- 0704__xa --- --- 564* 564* 672 768 0905__xa --- --- --- 752* 752* 768 960 1155__xa --- --- --- 940* 940* 940* 960 600 800 1000 1200 1400 1600 2000 0704__xa --- --- 641* 641* 672 768 --- 0905__xa --- --- --- 854* 854* 854* 960 ...
28 g as s upply p ressure m easurement caution t o prevent unreliable operation or equipment damage, the inlet gas supply pressure must be as specified on the unit rating plate with all other household gas fired appliances operating. W hite -r odgers 36g54 g as v alve the line pressure supplied to t...
29 16. Using a leak detection solution or soap suds, check for leaks at pressure boss screw. Bubbles forming indicate a leak. Shut off gas and fix all leaks immediately. Note: for gas to gas conversion, consult your dealer for appropriate conversion. Range nom inal natural low stage 1.6 - 2.2" w .C....
30 chart for *mv90704bxa, find the air flow closest to 1000 cfm. A cooling airflow of 990 cfm can be attained by setting the cooling speed to “c” and the adjustment to “-” (minus). Note: continuous fan speed will be 56% of high stage cooling. 4. Locate the blower speed selection dip switches on the ...
31 o f f o f f 8 7 4 3 2 1 o f f o n 4 3 2 1 4 3 2 1 4 3 2 1 ramping profile tap a ramping profile tap b ramping profile tap c ramping profile tap d * ramping profiles ( * indicates factory setting) 8 7 8 7 8 7 6 5 6 5 6 5 6 5 o n o f f o n o n 6. Select the heating speed from the heating speed char...
32 by the two-stage thermostat. • 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...
33 3. Remove the return air blockage to clear overheating condition. After an acceptable temperature is reached during the cool down period, the limit control will reset and allow the furnace to resume normal operation. These checks establish that the primary limit control is functioning and will re...
34 the beginning of the heating season. This will ensure that all fur- nace components are in proper working order and that the heating system functions appropriately. Pay particular attention to the fol- lowing items. Repair or service as necessary. • flue pipe system. Check for blockage and/or lea...
35 x x x x xx. Internal fil x. Internal fil x. Internal fil x. Internal fil x. Internal filter rem ter rem ter rem ter rem ter remov ov ov ov oval al al al al internal filters are an accessory item and are not included with your furnace. For further details, see your distributor. B ottom r eturn r e...
36 appendix.
37 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 “retries” (3 tota...
38 • 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. Fault descri...
39 wirin wirin wirin wirin wiring diagra g diagra g diagra g diagra g diagram m m m m de hum warning:disconnect properly polarized servicing. Wiring to unit must be and grounded. Power before disconnect power must be properly before servicing. Wiring to unit polarized and grounded. To 115vac/ 1Ø /60...
40 © 2004-2005 goodman manufacturing company, l.P. 2550 north loop west, suite 400 houston, tx 77092 www.Goodmanmfg.Com.
