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Service Instructions
80% Single Stage Gas Furnaces
GMS8, AMS8, GDS8, ADSS8, VMS8, VDS8
& Accessories
®
This manual is to be used by qualified, professionally trained HVAC technicians only. Goodman does not assume any
responsibility for property damage or personal injury due to improper service procedures or services performed by an
unqualified
person.The material in this manual does not supercede manufacturer's installation and operation instructions.
®
is a registered trademark of Maytag Corporation or its related companies and is used under license.
RS6612006r7
®
November 2017
All rights reserved.
Copyright ©
2013-2017 Goodman Company, L.P.
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Table of Contents
Troubleshooting
Related Manuals for Amana GMS8
Summary of Contents for Amana GMS8
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Page 1: Service Instructions
Service Instructions 80% Single Stage Gas Furnaces GMS8, AMS8, GDS8, ADSS8, VMS8, VDS8 & Accessories ® This manual is to be used by qualified, professionally trained HVAC technicians only. Goodman does not assume any responsibility for property damage or personal injury due to improper service procedures or services performed by an unqualified person.The material in this manual does not supercede manufacturer’s installation and operation instructions. -
Page 2: Table Of Contents
TABLE OF CONTENTS IMPORTANT INFORMATION ......2- 4 TROUBLESHOOTING ........43 - 47 PRODUCT IDENTIFICATION ...... 5 - 11 POLARIZATION & PHASING ......48 ACCESSORIES ..........12 - 17 MAINTENANCE ...........49 - 51 OPERATING INSTRUCTIONS ....21 - 23 SERVICING ..........52 - 67 PRODUCT DESIGN ........24 - 41 SERVICING TABLE OF CONTENTS .... -
Page 3: Important Information
To locate an authorized servicer, please consult your telephone book or the dealer from whom you purchased this product. For further assistance, please contact: CONSUMER INFORMATION LINE CONSUMER INFORMATION LINE GOODMAN ® BRAND PRODUCTS AMANA ® BRAND PRODUCTS TOLL FREE TOLL FREE 1-877-254-4729 (U.S. only) 1-877-254-4729 (U.S. only) - Page 4 IMPORTANT INFORMATION CO can cause serious illness including permanent brain damage or death. B10259-216 Advertencia especial para la instalación de calentadores ó manejadoras de aire en áreas cerradas como estacionamientos ó cuartos de servicio. Las emisiones de monóxido de carbono pueden circular a través del aparato cuando se opera en cualquier modo.
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Page 5: Product Identification
PRODUCT IDENTIFICATION The model and manufacturing number are used for positive identification of component parts used in manufacturing. Please use these numbers when requesting service or parts information. Brand Minor Revision G - Goodman® A - Initial Release V - GMC® B - 1st Revision Configuration M - Upflow/Horizontal... - Page 6 MBTU/h 40 - 40,000 60 - 60,000 80 - 80,000 100 - 100,000 120 - 120,000 140 - 140,000 Amana® Brand Furnace Nomenclature (13 Digits) Brand Minor Revision A- Amana® Brand A - Initial Release B - 1st Revision Configuration...
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Page 7: Product Identification
80 % GAS FURNACES AMS80403AXAA AMS80603AXAA AMS80604BXAA Amana ® Brand 80% gas furnace, 33 3/8" tall, upflow, horizontal right of left installation positions. AMS80804BXAA AMS8 Induced draft, two-tone gray cabinet and panels. Multi-speed PSC motor, 120 volt carbide mini Igniter AMS80805CXAA with integrated circuit board. - Page 8 GMS80403A*A* GMS80603A*A* GMS80604B*A* Goodman ® Brand 80% gas furnace, 33 3/8" tall, upflow, horizontal right of left installation positions. GMS8 GMS80804B*A* Induced draft, Goodman gray cabinet and panels. Multi-speed PSC motor, 120 volt carbide mini GMS80805C*A* Igniter with integrated circuit board. Left or right side g...
- Page 9 PRODUCT IDENTIFICATION MODEL # MFG. # 80 % GAS FURNACES GDS80403A*AA Goodman ® Brand 80% gas furnace, 33 3/8" tall, dedicated downflow installation, Induced draft, GDS80603A*AA GDS8 Goodman gray cabinet and panels. Multi-speed PSC motor, 120 volt carbide mini Igniter with GDS80804B*AA integrated circuit board.
- Page 10 PRODUCT IDENTIFICATION MODEL # MFG # DESCRIPTION Fossil Fuel Kit. The AFE18-60A control is d esigned for use where the indo or coil is lo cated above/d ownstream of a gas or fossil fuel furnace when used with a heat p ump. It will operate AFE18-60A with sing le and two stage heat pumps and single and two stage furna ces.
- Page 11 PRODUCT IDENTIFICATION MODEL # MFG # DESCRIPTION LP Gas Low Pressure Kit. Designed for application on gas fired furnace products installe d on LP gas listed in this manual. Thi s kit includes harness adaptors to work with White-Rodgers LPLP03 single &...
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Page 12: Accessories
ACCESSORIES ® AMANA BRAND "S" Model Furnace Accessories MODEL NUMBER AMS 8 0 4 0 3 A* * ● ● ● ● ● ● (2 ) ● AMS 8 0 6 0 3 A* * ● ● ● ● ●... - Page 13 ACCESSORIES ® AMANA BRAND "S" Model Furnace Accessories Models built with PCBBF134 Control Board Beginning in 9/2015 MO DEL NUMBER · · · · · · · · AMS 8 0 4 0 3 AX AD · · · ·...
- Page 14 ACCESSORIES ® GOODMAN BRAND "S" Model Furnace Accessories MODEL NUMBER · · · · · · · G MS 8 0 4 0 3 A* * (2 ) (3 ) (4 ) · · · · · · · G MS 8 0 6 0 3 A* * (2 ) (3 ) (4 )
- Page 15 ACCESSORIES ® GOODMAN BRAND "S" Model Furnace Accessories (Models with PCBBF134 control board - beginning 9-2015) MODEL NUMBER · · · · · · · G MS 8 0 4 0 3 A* BE (2 ) · · · · ·...
- Page 16 ACCESSORIES GMC® BRAND "S" Model Furnace Accessories Model Number · · · · · · · VMS80403ANAA · · · · · · · VMS80603ANAA · · · · · · · VMS80604BNAA · · · · · · · VMS80804BNAA ·...
- Page 17 ACCESSORIES EXTERNAL FILTER RACK KIT ( EFR01 ) SLOTS IN FILTER CLEAR SCREWS ON UNIT BLOWER DECK SCREWS UNIT SIDE PANEL FRONT OF UNIT FILTER RACK ASSEMBLY (FACE FILTER OPENING BASE TOWARDS FRONT OF UNIT OF UNIT) RETURN AIR CUTOUT AREA LOWER EDGE SCREW EFR01 EXTERNAL FILTER RACK KIT...
- Page 18 ACCESSORY WIRING DIAGRAMS HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. 24VAC POWER SUPPLY P1-8 +VDC INPUT POWER +5VDC FURNACE DEMAND P1-7 W1-FURN...
- Page 19 ACCESSORY WIRING DIAGRAMS HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. FURNACE TWINING KIT - FTK04 (UTEC Control Board) This wiring diagram is for reference only.
- Page 20 ACCESSORY WIRING DIAGRAMS HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. JACKSON SYSTEMS THERMOSTAT GAS / ELECTRIC SWITCH MUST BE SET IN THE UNIVERSAL TWINNING KIT ELECTRIC POSITION PATENT PENDING...
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Page 21: Operating Instructions
OPERATING INSTRUCTIONS... -
Page 22: Mise En Marche
OPERATING INSTRUCTIONS FOR YOUR SAFETY LIRE AVANT DE METTRE READ BEFORE OPERATING EN MARCHE LIRE AVERTISSEMENT: WARNING: If you do not follow these instructions Quiconque ne respecte pas à exactly, a fire or explosion may result causing property la lettre les instructions dans le presént manuel damage, personal injury or loss of life. -
Page 23: To Turn Off Gas To Appliance
OPERATING INSTRUCTIONS FOR YOUR SAFETY READ BEFORE OPERATING WARNING: Improper installation, adjustment, If you do not follow these instructions exactly, alteration, service or a fire or explosion may result causing property maintenance can damage, personal injury or loss of life. cause injury or property damage. -
Page 24: Product Design
O PREVENT PERSONAL INJURY OR DEATH DUE TO IMPROPER INSTALLATION, with the ADJUSTMENT, ALTERATION, SERVICE OR MAINTENANCE, REFER TO THIS Goodman & Amana 80% furnaces are ETL certified appli- ® MANUAL. OR ADDITIONAL ASSISTANCE OR INFORMATION, CONSULT A... -
Page 25: Location Requirements And Considerations
PRODUCT DESIGN varnishes Location Requirements and Considerations hydrochloric acid cements and glues WARNING antistatic fabric softeners for clothes dryers and masonry acid washing materials O PREVENT POSSIBLE EQUIPMENT DAMAGE, PROPERTY DAMAGE, PERSONAL INJURY OR DEATH, THE FOLLOWING BULLET POINTS MUST BE OBSERVED •... -
Page 26: Furnace Suspension
PRODUCT DESIGN f. After it has been determined that each appliance connected to the Furnace Suspension venting system properly vents when tested as outlined above, If suspending the furnace from rafters or joist, use 3/8" return doors, windows, exhaust fans, fireplace dampers and any threaded rod and 2”x2”x1/8”... - Page 27 PRODUCT DESIGN If this furnace is to be installed in the same space with other (1) For appliances other than fan-assisted, calculate using the following gas appliances, such as a water heater, ensure there is an equation: adequate supply of combustion and ventilation air for the 21 ft Required Volume >...
- Page 28 PRODUCT DESIGN Chimney or Gas Vent 9.3.3.1 Two Permanent Openings Method. Two permanent open- ings, one commencing within 12 in. (300 mm) of the top and one com- mencing within 12 in. (300 mm) of the bottom, of the enclosure shall be NOTE: The air duct openings provided.
- Page 29 PRODUCT DESIGN openings where both such openings are used. The separation between (c) The minimum size of outdoor opening(s) shall be the full size ducts servicing upper and lower combustion air openings shall be main- of outdoor opening(s) calculated in accordance with 9.3.3, tained to the source of combustion air.
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Page 30: Masonry Chimneys
PRODUCT DESIGN When resizing any portion of the common venting system, Crown Wash use the appropriate table in Appendix G in the latest edition Roof Line of the National Fuel Gas Code NFPA 54/ANSI Z223.1. Upflow or Horizontal units are shipped with the induced Clay Tile Size Generally Clay Tile Size: 8"... - Page 31 PRODUCT DESIGN 10' or Less Proper Chimney Line, terminate with 2' Min. 2' Min. Termination? listed vent cap 3' Min. (Check 1) (Fix 1) Wall or Parapet Chimney channel Chimney Change venting free of solid and liquid fuel arrangements appliances? (Fix 2) 10' or Less (Check 2)
- Page 32 PRODUCT DESIGN Check 2 - Any solid or liquid fuel appliances vented Remember that all appliances must be vented inside the into this chimney channel. liner. Venting one appliance inside the liner and another ap- Solid fuel appliances include fireplaces, wood stoves, coal pliance outside the liner is not acceptable.
- Page 33 PRODUCT DESIGN codes or standards. One such standard which may be refer- Check 7 - Complete the Installation. enced is the Standard for Chimneys, Fireplaces, Vents, and If Checks 1 through 6 have been satisfactory, and the liner Solid Fuel Burning Appliances, ANSI/NFPA 211. is an acceptable size as determined by the tables in Na- tional Fuel Gas Code NFPA 54/ANSI Z223.1 - latest edition Fix 4 - Relining.
- Page 34 PRODUCT DESIGN pensate for the natural reduction in the density of both the instructions and your local codes. Excess liner length should gas fuel and the combustion air at higher altitude. be pulled out of the chimney and cut off. Use caution when doing this, as the cut edges of flexible liners may be sharp.
- Page 35 PRODUCT DESIGN tabular listing of appropriate altitude ranges and correspond- The gas valve has a manual ON/OFF control located on the ing manufacturer’s high altitude (Natural, Propane gas, and/ valve itself. This control may be set only to the “ON” or “OFF” or Pressure Switch) kits.
- Page 36 PRODUCT DESIGN before pressure testing the supply piping system with pres- 5. Install a 1/8" NPT pipe plug fitting, accessible for test sures in excess of 1/2 psig (3.48 kPa). Isolate this unit from gage connection, immediately upstream of the gas the gas supply piping system by closing its external manual supply connection to the furnace.
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Page 37: Propane Gas Piping Charts
PRODUCT DESIGN WARNING 5 to 15 PSIG First Stage (20 PSIG Max.) Regulator Continuous 11" W.C. 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. 200 PSIG Second Stage –... - Page 38 PRODUCT DESIGN Use a separate fused branch electrical circuit containing When installing a propane storage tank, the contractor must properly sized wire, and fuse or circuit breaker. The fuse or consider proper tank sizing, safety, efficiency, ground char- circuit breaker must be sized in accordance with the maxi- acteristics and aesthetics.
- Page 39 PRODUCT DESIGN HUMIDIFIER WIRING THERMOSTAT WIRING - SINGLE-STAGE Accessory wiring connections are to be made through the The single stage furnace will have a "W" terminal and will 1/4" quick connect terminals provided on the furnace inte- use a single stage thermostat. The following drawing illus- grated control module.
- Page 40 PRODUCT DESIGN UPRIGHT FILTER INSTALLATIONS Upflow / Horizontal Minimum Recommended Filter Size^ Models Depending on the installation and/or customer preference, *0403A* 1 - 16 X 25 Side or 1 - 14 X 24 Bottom Return differing filter arrangements can be applied. Filters can be *0603A* 1 - 16 X 25 Side or 1 - 14 X 24 Bottom Return installed in the central return register and a side panel ex-...
- Page 41 PRODUCT DESIGN Fan Only Mode ORMAL EATING EQUENCE 1. R and W thermostat contacts close, initiating a call for The normal operational sequence in fan only mode is as heat. follows: 1. R and G thermostat contacts close, initiating a call for 2.
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Page 42: System Operation
(PCBBF123 Control Board) SYSTEM OPERATION HEATING - Abnormal Operation 4. Pressure Switch Stuck Open. If, after the induced draft blower is energized, the pressure switch does not close The following presents the probable causes of question- within 5 minutes, the control will go into a 1-hour lock- able furnace operation and how to fix them. -
Page 43: Troubleshooting
PCBBF123(S) CONTROL BOARD TROUBLESHOOTING Associated Symptoms of Abnormal Associated Fault Possible Causes Corrective Action Cautions and Fault Possible Causes Operation Description(s) Notes LED Code Description(s) NONE • No 115 volt power • Manual disconnect • Turn power OFF • Assure 115 and 24 volt •... -
Page 44: Troubleshooting
TROUBLESHOOTING PCBBF123(S) CONTROL BOARD Fault Corrective Action Symptoms of Abnormal Possible Causes Cautions and Associated Description(s) Operation Notes LED Code • Faulty primary limit switch. • Check primary limit. • Circulator blower runs • Primary limit circuit • Turn power OFF Replace if necessary. - Page 45 TROUBLESHOOTING PCBBF134 CONTROL BOARDS Associated Fault Symptoms of Corrective Cautions Possible LED Code Description(s) Abnormal Operation Action & Notes Causes • Furnace fails to • Manual disconnect switch • Assure 115 and 24 volt • Turn power OFF • No 115 volt power NONE operate.
- Page 46 TROUBLESHOOTING PCBBF134 CONTROL BOARDS Fault Symptoms of Cautions Associated Corrective Action Possible Causes Description(s) Abnormal Operation & Notes LED Code • Turn power OFF • Check primary limit. • Circulator blower runs • Primary limit • Insufficient conditioned air prior to repair. circuit is Replace if necessary.
- Page 47 PCBBF134 CONTROL BOARDS TROUBLESHOOTING Fault Symptoms of Cautions Associated Associated Possible Causes Corrective Action Description(s) Abnormal Operation & Notes LED Code LED Code • Improperly connected • Check and correct • Furnace not operating. • Problem with • Turn power OFF igniter.
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Page 48: Polarization & Phasing
POLARIZATION AND PHASING INCOMING POWER As more and more electronic's are introduced to the Heat- METER READS METER READS ing Trade, Polarization of incoming power and phasing of 120 VOLTS 0 VOLTS primary to secondary voltage on transformers becomes more important. VOLT / OHM VOLT / OHM Polarization has been apparent in the Appliance industry... -
Page 49: Maintenance
MAINTENANCE WARNING HIGH VOLTAGE ISCONNECT POWER BEFORE SERVICING OR INSTALLING THIS UNIT. ULTIPLE POWER SOURCES MAY BE PRESENT. AILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. Maintenance CAUTION Improper filter maintenance is the most common cause of F YOU MUST HANDLE THE ITNITOR, HANDLE WITH CARE. - Page 50 MAINTENANCE FLAME SENSOR (QUALIFIED SERVICER ONLY) Other recording type instruments can be essential in solv- Under some conditions, the fuel or air supply can create a ing abnormal problems, however, in many instances they nearly invisible coating on the flame sensor. This coating may be rented from local sources.
- Page 51 MAINTENANCE CAUTION LWAYS CONNECT A MONOMETER TO THE OUTLET TAP AT THE GAS VALVE BEFORE ADJUSTING THE PRESSURE REGULATOR. N NO CASE SHOULD THE FINAL MANIFOLD PRESSURE VARY MORE THAN PLUS OR MINUS .3 INCHES WATER COLUMN FROM 3.5 INCHES WATER COLUMN FOR NATURAL GAS OR 10 INCHES WATER COLUMN FOR PROPANE GAS.
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Page 52: Servicing
SERVICING CUBIC FEET GAS RATE -- CUBIC FEET PER HOUR Size of Test Dial Size of Test Dial Seconds for Seconds for cu/ft cu/ft cu/ft cu/ft cu/ft cu/ft cu/ft cu/ft cu/ft cu/ft Revolution Revolution 1800 1636 1500 1385 1286 1200 1125 1059 1000... - Page 53 SERVICING Service Problem No Heat Unsatisfactory Heat POSSIBLE CAUSE Test Method DOTS IN ANALYSIS Remedy GUIDE INDICATE "POSSIBLE CAUSE" • Power Failure Test Voltage • Blown Fuse Test Voltage • Loose Connection Check Wiring • Shorted or Broken Wires Check Wiring S-3A •...
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Page 54: Servicing Table Of Contents
SERVICING SERVICE NUMBERS CHECKING VOLTAGE ..........................55 CHECKING WIRING ............................ 55 S-3A THERMOSTAT AND WIRING ........................55 S-3B HEATING ANTICIPATOR ..........................55 CHECKING TRANSFORMER AND CONTROL CIRCUIT ................56 S-10 CAPACITANCE CHECK ..........................56 S-15 CHECKING CAPACITOR ..........................56 S-15A RESISTANCE CHECK .......................... -
Page 55: Checking Voltage
SERVICING S-1 CHECKING VOLTAGE CHECKING THERMOSTAT, WIRING AND ANTICIPATOR S-3A THERMOSTAT AND WIRING WARNING HIGH VOLTAGE WARNING ISCONNECT POWER BEFORE SERVICING OR CHANGING ANY ELECTRICAL WIRING. ULTIPLE POWER ISCONNECT POWER BEFORE SERVICING. SOURCES MAY BE PRESENT. AILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. -
Page 56: Checking Transformer And Control Circuit
SERVICING Cooling Anticipator S-10 Capacitance Check The cooling anticipator is a small heater (resistor) in the Using a dedicated capacitor tester or a multi-meter with a thermostat. During the "OFF" cycle it heats the bimetal capacitance test function are the best methods of element helping the thermostat call for the next cooling checking capacitors. -
Page 57: Checking Air Circulator Blower Motor (Psc)
MANOMETER blower motor or induced draft blower motor, reinstall blower compartment door. 6. Turn on electrical power and verify proper unit operation. Amana Elec tronic Ai r Cleaner Ca ution High Voltage To a void per sonal in j u ry, wait 15 secon ds afte r de -ene rgizing u nit b efore touch i n g unit i n terior . -
Page 58: Checking Temperature Rise
SERVICING S-201 CHECKING TEMPERATURE RISE S-300 CHECKING PRIMARY LIMIT CONTROL The more air (CFM) being delivered through a given furnace, All use a nonadjustable, automatic reset, bi-metal type the less the rise will be; so the less air (CFM) being deliv- limit control. -
Page 59: S-301 Checking Auxiliary Limit Control
SERVICING VOLT / OHM METER RESET BUTTON COLOR IDENTIFYING Testing Primary Limit Control Testing Auxiliary Limit Control S-301 CHECKING AUXILIARY LIMIT CONTROL WARNING O AVOID POSSIBLE FIRE, ONLY RESET THE AUXILIARY LIMIT CONTROL ONCE. F IT SHOULD OPEN A SECOND TIME, A QUALIFIED SERVICER MUST DETERMINE WHY THE AUXILIARY LIMIT OPENED BEFORE RESETTING AGAIN. -
Page 60: Induced Draft Blower Motor
SERVICING The control is designed to open should a flame roll out S-303 INDUCED DRAFT BLOWER Motor occur. An over firing condition or flame impingement on the heat shield may also cause the control to open. If the roll- WARNING out control opens, the air circulation blower will run con- tinuously. -
Page 61: Checking Orifices
SERVICING STREAM B .023" - .027" Beckett Burner The length of Dimension "A" determines the angle of Gas Stream "B". WARNING DENT OR BURR ALL G ISCONNECT AS AND LECTRICAL OWER UPPLY. STREAM B In checking main burners, look for signs of rust, oversized and undersized carry over ports restricted with foreign ma- terial, etc, refer to previous drawing. - Page 62 SERVICING Gas Manifold Pressure Measurement and NOTE: At either location, a hose fitting must be installed prior to making the hose connection. Adjustment NOTE: Use apapter kit #0151K00000S to measure gas pres- sure on White-Rodgers 36J22 gas valves. n a c e CAUTION GAS LINE O PREVENT UNRELIABLE OPERATION OR EQUIPMENT DAMAGE, THE...
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Page 63: S-308 Checking Hot Surface Ignitor
SERVICING b. Attach a hose and manometer to the outlet pressure Gas Valve outlet pressure boss. On/Off Selector c. Turn ON the gas supply. Inlet Pressure Switch d. Turn on power and close thermostat “R” and “W1” contacts to provide a call for low stage heat. OUTLET INLET e. -
Page 64: Checking For Flashback
SERVICING 1. Remove burner compartment door to gain access to the 1. Remove burner compartment door to gain access to ignitor. pressure switch(es). 2. Ignitor cool - approximately 70 - 77°F. 2. Remove wires from the pressure switch(es) electrical terminals. 3. -
Page 65: Checking For Delayed Ignition
SERVICING For installations above 4500/5500 feet, please refer to your WARNING distributor for required kit(s). Contact the distributor for a tabular listing of appropriate manufacturer’s kits for propane gas and/or high altitude installations. The indicated kits INE VOLTAGE NOW PRESENT must be used to insure safe and proper furnace operation. -
Page 66: Checking Flame Sensor
SERVICING S-314 CHECKING FLAME SENSOR 4. As soon as flame is established a micro-amp reading should be evident once proof of flame (micro-amp read- A flame sensing device is used in conjunction with the igni- ing) is established, the hot surface ignitor will be de- tion control module to prove combustion. - Page 67 SERVICING A/V/GMS8 / GDS8 / VDS8 / ADSS80 Pressure Switch Trip Points And Usage Chart ID Blower Set Point on Max Make Pressure Model Pressure Fall Pressure On Switch (PF) W.C. Rise W.C. Part # *MS80403A*BA / BB - 0.70 ± .06 - 0.85...
- Page 68 AMS8 SCHEMATICS HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. CIRCULATOR BLOWER INDUCER HEAT COOL PARK PARK ROLLO UT SWITCH XFMR 24 VAC...
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Page 69: Wiring Diagrams
*DSS80/*MS8 WIRING DIAGRAMS PCBBF123 C WITH ONTROL OARD WARNING:DISCONNECT POWER BEFORE HUMIDIFIER INTEGRATED CONTROL MODULE SERVICING.WIRING TO UNIT MUST BE PROPERLY POLARIZED AND GROUND ED. XFMR (6) 24 VAC GND (8) HUMIDIFIER VALVE MVC (9) MV (12) DIAGNOSTIC ID BLOWER PRESSURE FUSE AUXILIARY... - Page 70 WIRING DIAGRAMS *DSS80/*MS8 PCBBF134 C WITH ONTROL OARD WARNING:DISCONNECT POWER BEFORE HUMIDIFIER INTEGRATED CONTROL MODULE SERVICING.WIRING TO UNIT MUST BE PROPERLY POLARIZED AND GROUNDED. XFMR (6) 24 VAC GND (8) HUMIDIFIER VALVE MVC (9) MV (12) DIAGNOSTIC ID BLOWER PRESSURE FUSE AUXILIARY SWITCH...