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*MH95/ACSH96/AMEH96/
G
(Type FSP CATEGORY IV Direct or Non Direct Vent Air Furnace)
ATTENTION INSTALLING PERSONNEL
As a professional installer you have an obligation to know the product better than the customer. This includes all safety
Prior to actual installation, thoroughly familiarize yourself with this Instruction Manual. Pay special attention to all safety
warnings. Often during installation or repair it is possible to place yourself in a position which is more hazardous than
Remember, it is your responsibility to install the product safely and to know it well enough to be able to instruct a customer
Safety is a matter of common sense...a matter of thinking before acting. Most dealers have a list of specific good safety
The precautions listed in this Installation Manual are intended as supplemental to existing practices. However, if there is
a direct conflict between existing practices and the content of this manual, the precautions listed here take precedence.
IO-299R
5/2013
GCH95/GME95/GCH9
-F
W
AS
IRED
I
NSTALLATION
Installer: Affix all manuals adjacent to the unit.
These furnaces comply with requirements
embodied in the American National Stan-
dard / National Standard of Canada ANSI
Z21.47·CSA-2.3 Gas Fired Central Fur-
naces.
RECOGNIZE THIS SYMBOL AS A SAFETY PRECAUTION.
precautions and related items.
when the unit is in operation.
practices...follow them.
NOTE: Please contact your distributor or our website
for the applicable Specification Sheet referred to in this manual.
Goodman Manufacturing Company, L.P.
5151 San Felipe, Suite 500, Houston, TX 77056
www.goodmanmfg.com or www.amana-hac.com
2006-2013 Goodman Manufacturing Company, L.P.
©
A
F
ARM
IR
I
NSTRUCTIONS
in its safe use.
URNACE
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Related Manuals for Goodman MH95
Summary of Contents for Goodman MH95
- Page 1 *MH95/ACSH96/AMEH96/ GCH95/GME95/GCH9 IRED URNACE NSTALLATION NSTRUCTIONS Installer: Affix all manuals adjacent to the unit. (Type FSP CATEGORY IV Direct or Non Direct Vent Air Furnace) These furnaces comply with requirements embodied in the American National Stan- dard / National Standard of Canada ANSI Z21.47·CSA-2.3 Gas Fired Central Fur-...
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Page 2: Table Of Contents
Table of Contents I. Component Identification ..............................5 II. Safety Considerations ..............................6 (ESD) P ....................7 LECTROSTATIC ISCHARGE RECAUTIONS III. Product Application ..............................7 IV. Location Requirements & Considerations ......................... 8 ................................. 8 ENERAL ........................... 9 LEARANCES AND CCESSIBILITY ............................ - Page 3 Table of Contents XIV. Startup Procedure & Adjustment ..........................33 ..........................33 NTICIPATOR ETTING ............................33 RAIN RIMING ............................33 URNACE OPERATION ......................34 UPPLY RESSURE EASUREMENT .................. 35 ANIFOLD RESSURE EASUREMENT AND DJUSTMENT ) ..................35 NPUT EASUREMENT ATURAL ............................
- Page 4 HIPPING NSPECTION WARNING All units are securely packed in shipping containers tested according to International Safe Transit Association specifications. The carton must be F THE INFORMATION IN THESE INSTRUCTIONS IS NOT FOLLOWED checked upon arrival for external damage. If damage is found, a request EXACTLY A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY for inspection by carrier’s agent must be made in writing immediately.
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Page 5: Component Identification
I. COMPONENT IDENTIFICATION Upflow/Horizontal Counterflow/Horizontal Gas Valve 22 Blower Door Interlock Switch Gas Line Entrance (Alternate) 23 Capacitor Pressure Switch 24 Integrated Control Module Gas Manifold (with fuse and diagnostic LED) Combustion Air Intake Connection / “Coupling” 25 24-Volt Thermostat Connections Hot Surface Igniter 26 Transformer (40 VA) Rollout Limit... -
Page 6: Safety Considerations
II. SAFETY CONSIDERATIONS WARNING Adhere to the following warnings and cautions when installing, adjust- ing, altering, servicing, or operating the furnace. To ensure proper PRODUCT CONTAINS PRODUCES CHEMICAL CHEMICALS installation and operation, thoroughly read this manual for specifics ... -
Page 7: Electrostatic Discharge (Esd) Precautions
• It must be installed with two-pipe systems for combustion WARNING air, especially if VOC’s or other contaminants are present in the conditioned space. , HOULD OVERHEATING OCCUR SUPPLY FAIL SHUT •... -
Page 8: Location Requirements & Considerations
• Provide provisions for venting combustion products outdoors WARNING through a proper venting system. Special consideration should be given to vent/flue pipe routing and combustion air intake pipe when applicable. Refer to Vent/Flue Pipe and OSSIBLE PROPERTY DAMAGE PERSONAL INJURY OR DEATH DUE TO Combustion Air Pipe -Termination Locations for appropriate FIRE EXPLOSION... -
Page 9: Clearances And Accessibility
• Seal off a non-direct vent furnace if it is installed near an URNACE USPENSION area frequently contaminated by any of the above substances. If suspending the furnace from rafters or joists, use 3/8" threaded rod This protects the non-direct vent furnace from airborne and 2”x2”x1/8”... -
Page 10: Thermostat Location
If resizing is required on any portion of the venting system, use the Most homes will require outside air be supplied to the furnace area by means of ventilation grilles or ducts connecting directly to the outdoors appropriate table in Appendix G in the latest edition of the National Fuel or spaces open to the outdoors such as attics or crawl spaces. - Page 11 Chimney or Gas Vent Chimney or Gas Vent NOTE: Each opening must have Ventilation louvers a free area of not less than one (each end of attic) square inch per 1000 BTU of the total input rating of all equip- NOTE: The inlet and outlet air ment in the enclosure, but not openings must each have a free...
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Page 12: Installation Positions
5. When directly communicating with the outdoors, the single open- ing shall have a minimum free area of 1 square inch per 3,000 LOCATION 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 when special engineering, approved by the authority having jurisdiction, provides an adequate supply of air for combustion, ventilation, and dilution of flue... -
Page 13: Alternate Electrical And Gas Line Connections
For installations above 7000 feet, please refer to your distributor Duct Return Connection for required kit(s). Duct DISCHARGE DISCHARGE Connection COUNTERFLOW HORIZONTAL *MH95, ACSH96, GCH95, GCH9 GAS ORIFICE CHART UPFLOW HORIZONTAL LEFT AIR DISCHARGE RIGHT AIR DISCHARGE Manifold Pressure Altitude Orifice Pressure Switch Recommended Installation Positions NOTE: Alternate “vertical”... - Page 14 DIRECT VENT TERMINAL CLEARANCES Canadian Installations U.S. Installations Canadian Installations U.S. Installations Clearance to service 3 ft. (91 cm). A= Clearance above grade, 12 in. (30 cm) 12 in. (30 cm) regulator vent outlet. veranda, porch, deck or balcony. (See 1.24.6-i(9)b.) J= Clearance to nonmechanical air 6 in.
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Page 15: Vent/Flue Pipe & Combustion Air Pipe
IX. VENT/FLUE PIPE & COMBUSTION AIR PIPE tic pipe is also acceptable as a flue/vent and intake pipe material. PVC primer meeting ASTM F656 and PVC solvent cement meeting ASTM ENERAL D2564 specifications must be used. Fittings must be DWV type fit- tings meeting ASTM D2665 and ASTM D3311. -
Page 16: Termination Locations
ERMINATION OCATIONS Vent/flue pipe can be secured to the vent/flue coupling using the rub- NOTES: Refer to Location Requirements and Considerations for ber coupling and worm gear hose clamps provided with this furnace combustion air contaminant restrictions. (see “Standard Connections” figure). The rubber coupling allows sepa- ration of the vent/flue pipe from the furnace during servicing. -
Page 17: Alternate Furnace Connections
COMBUSTION VENT/FLUE COMBUSTION FLANGE AIR PIPE VENT/FLUE PIPE AIR PIPE PIPE (DIRECT VENT ONLY) (DIRECT VENT ONLY) 3.75" 90º PVC RUBBER 90º PVC RUBBER ELBOW COUPLING ELBOW COUPLINGS (NON-DIRECT VENT) WITH WORM (NON-DIRECT VENT) WITH WORM CUT HERE GEAR CLAMPS GEAR CLAMPS Vent/Flue Pipe Cuts 5. -
Page 18: Non -Direct Vent (Single Pipe ) Piping
*MH95/ACSH96/AMEH96/GCH95/GME95 ADDITIONAL PLUG Direct Vent (2 - Pipe) and Non-Direct Ve nt (1- Pipe) FROM DRAIN KIT (1) (2) Maximum Allowable Length of Vent/Flue Pipe & Combustion Air Pipe (ft) (3) (5) Pipe Num ber of Elbows Unit Input EXTERNALLY... -
Page 19: Direct Vent (Dual Pipe ) Piping
LUE AND OMBUSTION ENGTHS AND IAMETERS TEE (OPTIONAL) Refer to the following table for applicable length, elbows, and pipe di- ameter for construction of the vent/flue and combustion air intake COMBUSTION AIR INTAKE pipe systems of a direct vent (dual pipe) installation. The number 12”... -
Page 20: Vent /Intake Terminations For Installation Of Multiple Direct Vent Furnaces
90° ELBOWS 3” - 24” 3” - 24” 12” MIN SEPARATION 3” MIN INTAKE SCREEN (OPTIONAL) OPTIONAL INTAKE 12" MIN. ABOVE SCREENS 12” MIN TO GRADE OR HIGHEST HIGHEST ANTICIPATED ANTICIPATED SNOW LEVEL SNOW LEVEL Termination of Multiple Direct Vent Furnaces Alternate Horizontal Vent Termination (Dual Pipe) ONCENTRIC ERMINATION... - Page 21 • If an air conditioning coil is installed with the furnace, a In a upright installation drain hoses are connected to drain ports on the common drain may be used. An open tee must be rubber elbow and the recuperator coil front cover. The drain lines are installed in the drain line, near the cooling coil, to relieve then routed through the right side panel and into the drain trap secured positive air pressure from the coil’s plenum.
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Page 22: Alternate Vent /Flue Drain Hose Connections
5. Insert Tube 1 into rubber elbow drain port and secure with a LTERNATE RAIN ONNECTIONS silver hose clamp. Angle tube toward trap. Upright installations using the alternate vent/flue outlet will require 6. Cut 17 3/4 inches from the long end of Hose B and discard. “right-side only”... - Page 23 4. Insert Tube 1 into rubber elbow drain port and secure with silver PRIGHT NSTALLATIONS RAP ON hose clamp. Angle tube outward toward front of furnace. NOTE: For left side trap installation, grommets must be moved to 5. Cut “X” inches from the long end of Hose B and discard. Refer the left side of the furnace and the plugs installed on the right side to table for appropriate length to cut.
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Page 24: Horizontal Installations
Make connections as follows: "X" Length to Cut From Long 1. Remove the rubber plug from right side of the front cover drain Cabinet Width Models End of Hose B port. (inches) (kBTU_Tons) (inches) Counterflow furnaces Relocate the front cover pressure switch hose connection 040_3, 045_30, 17 1/2 060_3... - Page 25 4. Remove the rubber cap from the side drain port on the rubber elbow. Horizontal installations with the left side panel down will require 5. Secure the short end of Hose B to rubber elbow side drain drain hoses to be connected to the left side front cover drain port port using a green hose clamp.
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Page 26: Electrical Connections
Line voltage connections can be made through either the right or left XI. ELECTRICAL CONNECTIONS side panel. The furnace is shipped configured for a left side (right side for counterflows) electrical connection with the junction box located WARNING inside the burner compartment. To make electrical connections through the opposite side of the furnace, the junction box must be relocated to the other side of the burner compartment prior to making HIGH VOLTAGE! -
Page 27: Ccessories (E Lectronic A Ir C Leaner )
24 V HERMOSTAT IRING NOTE: Wire routing must not interfere with circulator blower ECO-TECH MOTOR operation, filter removal, or routine maintenance. Low voltage connections can be made through either the right or left side panel. Thermostat wiring entrance holes are located in the blower compartment. -
Page 28: Volt Humidifier
If it is necessary for the installer to supply additional line voltage wiring In some areas the gas supplier may artificially derate the gas in an to the inside of the furnace, the wiring must conform to all local codes, effort to compensate for the effects of altitude. - Page 29 rigid pipe must be used to reach the outside of the cabinet. Natural Gas Capacity of Pipe In Cubic Feet of Gas Per Hour (CFH) A semi-rigid connector to the gas piping may be used from Length of Nominal Black Pipe Size there.
- Page 30 Gas Piping Connections MANUAL SHUT-OFF VALVE (UPSTREAM FROM GROUND JOINT PIPE UNION) ALTERNATE GROUND UNION WARNING JOINT LOCATION PIPE DRIP LEG UNION DGES OF SHEET METAL HOLES MAY BE SHARP SE GLOVES AS A GROMMET IN STANDARD PRECAUTION WHEN REMOVING HOLE PLUGS GAS VALVE GAS LINE HOLE BURNERS...
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Page 31: Propane Gas Tanks And Piping
Sizing Between Single or Second Stage Regulator and Appliance* ROPANE ANKS AND IPING Maximum Propane Capacities Listed are Based on 1/2" W.C. pressure drop at 11" W.C. setting. Capacities in 1,000 BTU/hour. Pipe or Nominal Pipe Size WARNING Tubing Tubing Size, O.D. Type L Schedule 40 Length, 3/8"... -
Page 32: Checking Duct Static
HECKING TATIC OTTOM ETURN PENING PFLOW ODELS Refer to your furnace rating plate for the maximum ESP (external The bottom return air opening on upflow models utilizes a “lance and duct static) rating. cut” method to remove sheet metal from the duct opening in the base Total external static refers to everything external to the furnace cabi- pan. -
Page 33: Upright Installations
COOLING AIRFLOW REQUIREMENT (CFM) FILTER ACCESS 1000 1200 1400 1600 2000 DOOR 040_3BXA 194* 194* 0453BXA 060_3BXA 324* 324* 324* 0703BXA RETURN 0704CXA 291* 291* CENTRAL DUCT RETURN 0904CXA 432* 432* 432* 432* GRILLE FILTER 080_5CXA 388* 388* 388* 0905DXA SUPPORT BRACKET 100_5DXA... -
Page 34: Gas Supply Pressure Measurement
Open to NOTE: This furnace is equipped with an ignition device which Atmosphere automatically lights the burner. Do not try to light the burner by hand. High Fire Regulator Outlet Adjust 5. Move the furnace gas valve manual control to the OFF Regulator Pressure Boss position. -
Page 35: Gas Manifold Pressure Measurement And Adjustment
b. White-Rodgers 36G54 valve: Back outlet pressure test screw NOTE: If measuring gas pressure at the drip leg or Honeywell VR9205 (inlet/outlet pressure tap) out one turn (counterclockwise, gas valve, a field-supplied hose barb fitting must be installed prior to not more than one turn). -
Page 36: Temperature Rise
6. Verify proper temperature rise as outlined in Section XIV, influenced by radiant heat by being able to “see” the heat Startup Procedure and Adjustment - Temperature Rise. exchanger. *MH95, ACSH96, GCH95, GCH9 Circulator Blower Speeds SUPPLY MEDIUM LOW ORANGE... -
Page 37: Circulator Blower Fan Timing Adjustment
IRCULATOR LOWER IMING DJUSTMENT NOTE: Items in this section refer to the air circulator blower fan NOT to the induced draft blower. The induced draft blower timing HEAT OFF SECOND SECOND DELAY DELAY DELAY sequence is not adjustable. The circulator blower fan timing is adjustable only on models with optional “heating fan OFF delay”... -
Page 38: (Mdip S "2 Stg" )
DIP S “2 STG” • WITCH IS SET TO POSITION R and Y thermostat contact open, completing the call for cool. • The normal operational sequence in sequence is as follows: Outdoor fan and compressor are de-energized. • R and W thermostat contacts close, initiating a call for heat. •... -
Page 39: Primary Limit
RIMARY IMIT IAGNOSTIC HART The primary limit control is located on the partition panel and monitors WARNING heat exchanger compartment temperatures. It is a normally-closed (electrically), automatic reset, temperature-activated sensor. The limit guards against the overheating as a result of insufficient conditioned HIGH VOLTAGE! air passing over the heat exchanger. -
Page 40: Maintenance
XIX. MAINTENANCE ORIZONTAL ILTER EMOVAL Filters in horizontal installations are located in the central return regis- ter or the ductwork near the furnace. WARNING To remove: 1. Turn OFF electrical power to furnace. HIGH VOLTAGE! 2. Remove filter(s) from the central return register or ductwork. O AVOID PERSONAL INJURY OR DEATH DUE TO 3. -
Page 41: Before Leaving An Installation
6. Remove the recuperator coil turbulators individually by slowly pulling each turbulator forward firmly. 7. Clean the recuperator coil tubes using a long handle wire brush, such as a gun cleaning brush. 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. -
Page 42: Troubleshooting Chart
TROUBLESHOOTING CHART Associated Associated Symptoms of Abnormal Fault Description(s) Possible Causes Fault Description(s) Possible Causes Corrective Action Cautions and Notes Operation LED Code LED Code • Furnace fails to operate. NONE • No 115 volt power to • Manual disconnect switch •... - Page 43 TROUBLESHOOTING CHART Fault Associated Symptoms of Cautions Corrective Action Possible Causes Description(s) LED Code Abnormal Operation & Notes • Check primary limit. • Insufficient conditioned air • Turn power OFF • Circulator blower runs • Primary limit Replace if necessary. over the heat exchanger.
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Page 44: Blower Performance Data
*MH95 BLOWER PERFORMANCE DATA BLOWER PERFORMANCE (CFM & Temperature Rise vs. External Static Pressure) EXTERNAL STATIC PRESSURE (Inches Water Column) Tons AC Model Motor at 0.5" Heating Speed Speed As Shipped CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE CFM CFM CFM... - Page 45 BLOWER PERFORMANCE DATA ACSH96 BLOWER PERFORMANCE (CFM & Temperature Rise vs. External Static Pressure) Tons AC EXTERNAL STATIC PRESSURE (Inches Water Column) Model Motor at 0.5" Heating Speed Speed As Shipped CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE CFM CFM CFM 1415 1352 1290...
- Page 46 AMEH96 BLOWER PERFORMANCE DATA (CFM & TEMPERATURE RISE VS. EXTERNAL STATIC PRESSURE) EXTERNAL STATIC PRESSURE (Inches Water Column) Model Tons -------------- Motor AC at Heating Speed Speed 0.5" As Shipped RISE RISE RISE RISE RISE T1 - YELLOW T2 - RED AMEH960403BX* T3 - ORANGE 1121...
- Page 47 GCH95 / GCH9115 BLOWER PERFORMANCE DATA BLOWER PERFORMANCE (CFM & Temperature Rise vs. External Static Pressure) Tons AC EXTERNAL STATIC PRESSURE (Inches Water Column) Model Motor at 0.5" Heating Speed Speed As Shipped CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE CFM CFM CFM 1415 1352 1290...
- Page 48 GME95 BLOWER PERFORMANCE DATA (CFM & TEMPERATURE RISE VS. EXTERNAL STATIC PRESSURE) EXTERNAL STATIC PRESSURE (Inches Water Column) Model Tons -------------- Motor AC at Heating Speed Speed 0.5" As Shipped RISE RISE RISE RISE RISE T1 - YELLOW T2 - RED GME950403BX* T3 - ORANGE 112 1...
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Page 49: Wiring Diagram
*MH95[0453,0704,0905D] WIRING DIAGRAM *MH95[0703,0904,1155] BLOWER INTEGRATED HUMIDIFIER 24 VAC COMPARTMENT CONTROL MODULE HUMIDIFIER DOOR SWITCH TR (6) (OPEN WHEN 24 VAC DOOR OPEN) GND (8) 40 VA TRANSFORMER MVC (9) 115 VAC VALVE MVH (12) 24V THERMOSTAT CONNECTIONS MVL(2) ID BLOWER... - Page 50 ACSH96 / GCH95 / GCH9 WIRING DIAGRAM *MH950905CX Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
- Page 51 WIRING DIAGRAM GME95 / AMEH96 Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
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Page 52: Special Instructions For Products Installed In The State Of Massachusetts
SPECIAL INSTRUCTIONS FOR PRODUCTS INSTALLED IN THE STATE OF MASSACHUSETTS 3. SIGNAGE. A metal or plastic identification plate shall be permanently mounted to the exterior of the building at a minimum height of eight (8) feet above grade directly in line with the exhaust vent terminal for the horizontally vented VENT/FLUE gas fueled heating appliance or equipment. - Page 53 THIS PAGE LEFT INTENTIONALLY BLANK...
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- Page 56 NOTE: SPECIFICATIONS AND PERFORMANCE DATA 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 regard- less of size or efficiency. We have designed these units to significantly reduce the most frequent causes of product failure.