Amana GCIA045A30 Service Instructions Manual Download Page 56

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Rev. 2

SYSTEM OPERATION

GUIS/GCIS Example 4: Initial Call For High Heat, Subsequent Call To Low Heat

Timing Charts For GUIS/GCIS Two Stage

Integrated Ignition Control Operation

0 10 27 31 34 64 0 5 30 60, 90

120, or 190

Air
Circulator
Blower

Gas Valve

Ignitor

Pressure
Switches

Induced Draft
Blower

Thermostat

High

Low

Off

PS2 Closed
PS1 Closed

Open

High

Low

Off

High

Low

Off

0 10 27 31 34 64 0 5 30 60, 90

120, or 190

Air
Circulator
Blower

Gas Valve

Ignitor

Pressure
Switches

Induced Draft
Blower

Thermostat

High

Low

Off

High

Low

Off

PS2 Closed
PS1 Closed

Open

High

Low

Off

High

Low

Off

Call Change to High Heat

Call Change to Low Heat

30 Seconds After Call Change to Low Heat

GUIS/GCIS Example 3: Initial Call For Low Heat, Change In Call To High Heat

Summary of Contents for GCIA045A30

Page 1: ...Accessories Model and Manufacturing numbers listed on page 4 5 This manual is to be used by qualified HVAC technicians only Amana does not assume any responsibility for property damage or personal in...

Page 2: ...cifications 16 26 BlowerPerformanceSpecifications 27 34 Combustion and Ventilation air 35 37 Product Design 38 46 System Operation 47 64 Polarization and Phasing 65 ScheduledMaintenance 66 67 Servicin...

Page 3: ...ROPER SERVICE OR SERVICE PROCEDURES IF YOU PERFORM SERVICE ON YOUR OWN PRODUCT YOU ASSUME RESPONSIBILITY FOR ANY PERSONAL INJURY OR PROPERTY DAMAGE WHICH MAY RESULT To locate an authorized servicer pl...

Page 4: ...206804F GUIB090B50 P1206805F GUIB115B50 P1206807F GUIB045CX30 P1207701F GUIB070CX30 P1207702F GUIB070CX40 P1207703F GUIB090CX30 P1207704F GUIB090CX50 P1207705F GUIB115CX50 P1207707F GCIB045A30 P118650...

Page 5: ...P1222802F GUID070DA40 P1222803F GUID070DA40 P1222809F GUID090DA30 P1222804F GUID090DA50 P1222805F GUID115DA50 P1222807F GUID045DX30 P1222901F GUID070DX30 P1222902F GUID070DX40 P1222903F GUID070DX40 P...

Page 6: ...External Filter Rack Kit HR_ Horizontal Filter Housing MAC_ Media Air Cleaner MAF_ Media Air Filter Replacement Filter for MAC_ Note For additional accessory kits listed above see product identificati...

Page 7: ...0 Btuh 090 90 000 Btuh 115 115 000 Btuh 140 140 000 Btuh Model Family A C Air Command 80 SSE cat 1 B D Air Command 80 SV cat 1 S Air Command 80 SSE II cat 1 V Air Command 80 SSE IIQ cat 1 Design Serie...

Page 8: ...e a pilot It is equipped with an ignition device which automatically lights the burner Do not try to light the burner by hand B BEFORE OPERATING smell all around the appliance area for gas Be sure to...

Page 9: ...MISE EN MARCHE A This appliance does not have a pilot It is equipped with an ignition device which automatically lights the burner Do not try to light the burner by hand B BEFORE OPERATING smell all...

Page 10: ...low Left Side View 1 5 8 1 Bottom Knock Out Upflow Front View Upflow Right Side View D Bottom Knock Out 3 4 3 4 C B A Supply 34 5 8 31 4 11 16 Side Cut Out 2 1 2 23 1 2 E 1 1 2 FURNACE MODEL A B C D E...

Page 11: ...TAGE KNOCK OUT FOR HORIZONTAL VENTING COUNTERFLOW LEFT SIDE VIEW 22 18 5 8 UNFOLDED FLANGES 20 1 8 FOLDED FLANGES 2 1 2 Units are shipped with unfolded bottom flanges ELECTRICAL HOLE LOW VOLTAGE GAS S...

Page 12: ...D 25 E 20 5 16 F 20 3 4 G 22 1 2 H 17 3 4 EAC5 ELECTRONIC AIR CLEANER SPECIFICATIONS DIMENSIONS All dimensions given in inches Used On Models GUI_ GCI_ EAC5 ELECTRONIC AIR CLEANER MEDIA AIR CLEANER A...

Page 13: ...iven in inches Subbase adjustable to fit all 3 cabinet sizes Detailed installation instructions ship with the subbase COUNTERFLOW SUBBASE EXTERNAL FILTER RACK INTERNAL FILTER RETAINER SCREWS 80 MODELS...

Page 14: ...2025 ACG2025 6 21 3 8 28 3 8 5 3 4 18 7 8 26 1 1 2 1 2025 All dimensions given in inches Short base handles 1 2 filters Height 3 3 4 Tall base handles 1 2 4 filters Height 5 3 4 ACG1625 AND ACG2025 AC...

Page 15: ...ator in any position Vertical Vent Installation Horizontal Vent Installation COMMMON VENT KIT Kit Model Numbers Vent Diameter Inches CVK 4 4 CVK 5 5 CVK 6 6 CVK 7 7 CVK4 7 COMMON VENT KITS GUIA GCIA G...

Page 16: ...140 000 Output US 36 800 55 200 55 200 73 600 73 600 92 000 92 000 110 400 A F U E 80 80 80 80 80 80 80 80 Rated External Static WC 10 50 12 50 12 50 15 50 15 50 20 50 20 50 20 50 Temperature Rise F...

Page 17: ...80 80 80 80 80 80 80 80 Rated External Static WC 10 50 12 50 12 50 15 50 15 50 20 50 20 50 20 50 Temperature Rise F 35 65 35 65 35 65 40 70 40 70 40 70 35 65 45 75 Pressure Switch Trip Point 1 80 1 42...

Page 18: ...000 140 000 Output US 36 800 55 200 55 200 73 600 73 600 92 000 92 000 110 400 A F U E 80 80 80 80 80 80 80 80 Rated External Static WC 10 50 12 50 12 50 15 50 15 50 20 50 20 50 20 50 Temperature Ris...

Page 19: ...h Input US 46 000 69 000 69 000 92 000 92 000 115 000 115 000 140 000 Output US 36 800 55 200 55 200 73 600 73 600 92 000 92 000 110 400 A F U E 80 80 80 80 80 80 80 80 Rated External Static WC 10 50...

Page 20: ...GUID090CX50 GUID090DA50 GUID090DX50 GUID115CA50 GUID115CX50 GUID115DA50 GUID115DX50 Btuh Input US 46 000 69 000 69 000 92 000 92 000 115 000 Output US 36 800 55 200 55 200 73 600 73 600 92 000 A F U E...

Page 21: ...full 4 tons of airflow MODEL GUIC070DA40 GUIC070DX40 GUID070DA40 GUID070DX40 GCIC070DX40 Btuh Input US 69 000 69 000 69 000 69 000 69 000 Output US 55 200 55 200 55 200 55 200 55 200 A F U E 80 80 80...

Page 22: ...4 000 64 000 80 000 96 000 48 000 64 000 Output US Low Fire 38 400 51 200 51 200 64 000 76 800 38 400 51 200 A F U E 80 80 80 80 80 80 80 Rated External Static WC 12 50 15 50 15 50 20 50 20 50 12 50 1...

Page 23: ...V140DX50 Btuh Input US High Fire 69 000 92 000 115 000 138 000 Output US High Fire 55 200 73 600 92 000 110 400 Btuh Input US Low Fire 48 000 64 000 80 000 96 000 Output US Low Fire 38 400 51 200 64 0...

Page 24: ...0 115 000 140 000 Output US 36 800 55 200 55 200 73 600 73 600 92 000 92 000 110 400 A F U E 80 80 80 80 80 80 80 80 Rated External Static WC 10 50 12 50 12 50 15 50 15 50 20 50 20 50 20 50 Temperatur...

Page 25: ...80 80 80 80 80 80 80 Rated External Static WC 10 50 12 50 12 50 15 50 15 50 20 50 20 50 20 50 Temperature Rise F 35 65 45 75 45 75 45 75 45 75 45 75 45 75 45 75 Pressure Switch Trip Point 1 30 1 10 1...

Page 26: ...80 80 80 80 80 80 80 80 Rated External Static WC 10 50 12 50 12 50 15 50 15 50 20 50 20 50 20 50 Temperature Rise F 35 65 45 75 45 75 45 75 45 75 45 75 45 75 45 75 Pressure Switch Trip Point 0 55 0 5...

Page 27: ...2 5 1090 47 1080 47 1055 48 1020 50 970 52 905 56 LOW 2 0 760 750 750 735 700 645 HIGH 3 5 1695 1625 1580 1520 1450 35 1365 37 GUI_070_40 MED HI 3 0 1485 1450 35 1400 36 1350 38 1295 39 1235 41 Low ME...

Page 28: ...LO 2 5 910 56 905 56 895 57 860 59 810 63 745 68 LOW 2 0 730 69 715 71 710 71 680 75 645 490 HIGH 3 5 1655 1580 1500 1445 1366 1280 GCI_070_40 MED HI 3 0 1530 1470 1400 1345 1280 1210 Low MED LO 3 0...

Page 29: ...ote The models listed in the above airflow table use 10x8 blower assembly instead of 10x6 to achieve a full 4 tons of airflow Listed below are the model numbers along with the manufacturing numbers of...

Page 30: ...65 MED HI 3 0 1360 50 35 1325 51 36 1290 53 37 1215 56 39 1155 59 41 1070 High Fire High MED LO 2 0 920 52 920 52 900 53 890 54 850 56 800 Low Fire Med Lo LOW 1 5 770 62 750 64 740 64 730 65 690 660 G...

Page 31: ...B Minus 644 B Normal 520 B Normal 715 B Plus 572 B Plus 787 C Minus 644 C Minus 819 C Normal 715 C Normal 910 C Plus 787 C Plus 1001 D Minus 819 D Minus 1053 D Normal 910 D Normal 1170 D Plus 1001 D P...

Page 32: ...9 D Normal 900 D Normal 1165 D Plus 990 D Plus 1282 GUIV070DX40 GUIV090DX50 Heating Speed Adjust CFM 1 to 8 WC ESP Heating Speed Adjust CFM 1 to 8 WC ESP A Minus 945 A Minus 945 A Normal 1050 A Normal...

Page 33: ...l 1100 54 1584 54 48 B Plus 1210 39 1742 49 44 C Minus 1080 55 1555 55 49 C Normal 1200 49 1728 49 44 C Plus 1320 45 1901 45 40 D Minus 1170 51 1685 51 46 D Normal 1300 46 1872 46 41 D Plus 1430 41 20...

Page 34: ...BLOWER PERFORMANCE SPECIFICATIONS 34 Rev 2...

Page 35: ...of air When normal infiltration does not provide the necessary air outside air shall be introduced c In addition to air needed for combustion process air shall be provided as required for cooling of...

Page 36: ...each opening shall have a minimum free area of 1 square inch per 4 000 BTU per hour of total input rating of all equipment in the enclosure The following drawing illustrates the air opening specifica...

Page 37: ...design of louver or grille is known it should be used in calculating the size of opening required to provide the free area specified If the design and free area is not known it may be assumed that woo...

Page 38: ...ropane Propane 0 3000 ft 0 7000 ft 7001 8500 ft None LPTK07 7A or 09 HALP09 43 55 56 3 5 W C 10 0 W C 10 0 W C 1 9 W C 6 0 W C 6 0 W C Orifice Manifold Pressure Model Gas Altitude Kit At altitudes abo...

Page 39: ...placing in operation Because of the danger of explosion or fire never use a match or open flame to test for leaks Never exceed specified pressure for testing Higher pressure may damage the gas valve...

Page 40: ...100 830 1 900 175 170 400 780 1 200 1 900 770 1 700 200 160 380 730 1 100 1 800 720 1 500 To convert to capacities at 15 psig settings multiply by 1 130 To convert to capacities at 5 psig settings mu...

Page 41: ...n Follow the electronic air cleaner and humidifier manufacturer s instructions for mounting and electrically grounding these accessories Check that the power supply to the furnace has been disconnecte...

Page 42: ...ting Cooling Room Thermostat G W1 W2 Typical Field Wiring for Two Stage Furnace 24 VAC Control Circuit Thermostat Wiring GUIV Variable Speed Two Stage Furnace A variable speed two stage furnace will h...

Page 43: ...or thermostat directly to the O and EM W2 terminals on the air circulating motor interface board All connections to the furnace must be to the two stage integrated furnace control board and must wire...

Page 44: ...tion blower not to the induced draft blower The timing sequence for the induced draft blower is not adjustable When a call for cooling occurs the circulation fan will come on It will remain on for 45...

Page 45: ...supplied with the furnace The in staller must supply a means of filtering all of the return air Filter s shall comply with UL900 or CAN ULC S111 Stan dards If the furnace is installed with out filters...

Page 46: ...n with filters installed in the duct behind the return air grill In this way filter replacement is relatively simple by merely removing the grille rather than going into the attic or crawl space Refer...

Page 47: ...midifier and elec tronic air cleaner are also energized 7 The thermostat is satisfied and opens 8 The control de energizes the gas valve 9 After a 15 second delay the induced draft blower and optional...

Page 48: ...switch or wiring 4 Pressure Switch Stuck Open If after the induced draft blower is energized the pressure switch does not close the control will keep the blower and wait for the switch to close The di...

Page 49: ...probable causes are either disconnected hose to the pressure switch faulty pressure switch or wiring or restricted air intake or flue piping 5 Open Primary or Auxiliary Limit If the limit control ope...

Page 50: ...speed or failed circulator blower Loose or misconnected wiring Circulator blower runs continuously with no further furnace operation and Integrated control module diagnostic LED is flashing five flash...

Page 51: ...ostic LED is flashing continuously Continuous Flashing Flame has been sensed with no call for heat Short to ground in flame sense circuit 7 Flashes Normal furnace operation but Integrated control modu...

Page 52: ...heat until the radiant sensor determines the ignitor is hot enough i e until a heat signal is produced 4 The gas valve is opened Combustion begins 5 One second after the gas valve opens the ignitor is...

Page 53: ...anual reset so it will never close on its own When the limit closes the induced draft blower shuts off im mediately but the air circulation blower continues to run for 90 seconds After this 90 second...

Page 54: ...d air circulating speed to their high stage setting 11 If the two stage thermostat changes the call from high heat to low heat the control will immediately switch the induced draft blower motor to low...

Page 55: ...igh Low Off Timing Charts For GUIS GCIS Two Stage Integrated Ignition Control Operation 0 10 27 31 34 64 0 5 30 60 90 120 or 180 Air Circulator Blower Gas Valve Ignitor Pressure Switches Induced Draft...

Page 56: ...Draft Blower Thermostat High Low Off On Off On Off PS2 Closed PS1 Closed Open High Low Off High Low Off 0 10 27 31 34 64 0 5 30 60 90 120 or 190 Air Circulator Blower Gas Valve Ignitor Pressure Switch...

Page 57: ...the fault is corrected The diagnostic light code for this problem is two short flashes followed by a longer pause The probable cause is either a faulty pressure switch or miswiring 4 Pressure Switch...

Page 58: ...rty seconds be fore switching to the low heat circulating speed The 30 second delay feature on the circulator speed eliminates the possibility of tripping the high primary limit when the high stage fl...

Page 59: ...igh Low Off Timing Charts For GUIV Variable Speed Two Stage Integrated Ignition Control Operation 0 10 27 31 34 64 94 0 5 30 60 90 90 120 120 or 150 or 180 210 Air Circulator Blower Gas Valve Ignitor...

Page 60: ...Thermostat High Low Off On Off On Off PS2 Closed PS1 Closed Open High Low Off High Low Off 0 10 27 31 34 64 94 0 5 30 60 90 90 120 120 or 150 or 180 210 Air Circulator Blower Gas Valve Ignitor Pressu...

Page 61: ...Furnace Control TimingChartforNormalCoolingOperation With Y From Thermostat Connected to Y Y2 On AirCirculatingMotorInterfaceBoard Seconds 0 5 35 0 45 75 On Off On Off On Off Indoor Fan Outdoor Fan A...

Page 62: ...witch faulty wiring a disconnected hose or a restricted intake or flue piping In the case of a pressure switch sticking closed the probable cause is a faulty pressure switch or wiring If the ignition...

Page 63: ...n for either the Honeywell VR 8205 gas valve or the White Rodgers 36E35 36E36 and 36E96 gas valves The knob should turn easily Do not use excessive force For the Robertshaw 7222 gas valve push in and...

Page 64: ...ure Regulator Adjustment Under Cap Screw Inlet Pressure Tap Side of Valve Outlet Manifold Pressure Tap Side of Valve Gas Valve On Off Selector Switch OUTLET White Rodgers Model 36E22 GUI A C D GCI A C...

Page 65: ...6 volts the primary to secondary are in phase if reads approximately 144 volts out of phase reverse low voltage wires Note For flame rectification the common side of the secondary voltage 24 V is cabi...

Page 66: ...most common cause of inadequate heating or cooling performance WARNING Disconnect the electrical power to the furnace before removing the filter or performing any other mainte nance Maintenance Improp...

Page 67: ...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 the heat exchanger tubes While reve...

Page 68: ...Multiplying the ninety 90 cubic feet by 1025 BTU gives us an input of 92 250 BTUH Checking the BTU input on the rating plate of the furnace being tested EXAMPLE GUIA090B30 INPUT 92 000 BTU HR OUTPUT C...

Page 69: ...53 106 212 424 1059 43 167 419 18 50 100 200 400 1000 44 41 82 164 409 19 47 95 189 379 947 45 20 40 80 160 400 20 45 90 180 360 900 46 78 157 391 21 43 86 171 343 857 47 19 38 76 153 383 22 41 82 16...

Page 70: ...Faulty Flame Sensor Test Flame Sensor S 14 Faulty Ignition Control Test Control S 13 Gas Valve or Gas Supply Shut Off Turn Valves to On Position S 11 Faulty Induced Draft Blower Test Blower S 9 10 Bro...

Page 71: ...Board 80 S 10 Checking Capacitor 80 S 10A Resistance Check 80 81 S 10B Capacitance Check 81 S 11 Checking Gas Valve 81 S 12 Checking Hot Surface Ignitor 81 S 13 Checking White Rodgers 50A50 or 50A51 a...

Page 72: ...3A Thermostat and Wiring WARNING Disconnect Electrical Power Supply 1 Remove the blower compartment door to gain access to the thermostat low voltage wires located at the furnace integrated control mo...

Page 73: ...lower compartment door to gain access to the thermostat low voltage wires located at the fur nace integrated control module 2 Remove the thermostat low voltage wires at the fur nace integrated control...

Page 74: ...Red Green Brown Black Red Tan Blue Orange Orange Green Blue Black Brown Yellow Orange Tan Brown Yellow 1 Blue 1 Yellow 1 Red 1 Yellow 1 Green 1 Yellow GUI_045_30 A B C D GUI_070_30 A B C D GUI_070_40...

Page 75: ...tical to a trip of the primary limit control The auxiliary limit control is designed to prevent furnace op eration in case of main blower failure on horizontal installa tions It may also open if the p...

Page 76: ...45 A B C GCI_070 A B C GCI_090 A B C GCI_115 A B C GCI_140 A B C ROLLOUT LIMIT SWITCHES 101235_ _ If the rollout control has opened the circuit between the igni tion control and gas valve will be inte...

Page 77: ...00 HAC1PS07 10727910 WHITE GCIA090CA CX 10727906 HAC1PS08 10727907 0 95 HAC1PS08 10727907 RED GCIA115CA CX 10727909 HAC1PS09 10727911 0 85 HAC1PS10 10727912 LT BLUE GCIA140CA CX 10727908 HAC1PS06 1072...

Page 78: ...EN GRAY 0 27 0 46 HATS05 11177109 GREEN PINK 0 23 0 37 HATS09 11177111 GRAY DK BLUE GCIS090_50 0 32 0 37 0 37 0 60 0 27 0 55 11177101 GREEN GRAY 0 27 0 46 HATS05 11177109 GREEN PINK 0 23 0 37 HATS09 1...

Page 79: ...re control trips cycling OFF the burner The trip points should be as shown on the preceeding pages 8 If not as listed replace control 9 After completing check and or repair of pressure switch reinstal...

Page 80: ...eration of this inductor is to reduce the line current by storing the electrical energy in a magnetic field such that the voltage AC waveform leads the current AC waveform In other words the inductor...

Page 81: ...SURFACE IGNITOR A silicone carbide restrictive element ignitor is used for igni tion The normal operating temperature is approximately 2550 F WARNING Disconnect Electrical Power Supply 1 Remove burne...

Page 82: ...the 50A51 ignition control No voltage replace ignition control 4 If voltage is present in Steps 1 through 3 and the in duced draft blower is operating check for 120 volts to the ignitor during the 17...

Page 83: ...g testing the flame switch must be allow to cool and switch back to the N C position before the next ignition attempt S 14 CHECKING FLAME SENSOR FLAME REC TIFICATION IGNITION CONTROL MOD ULE A flame s...

Page 84: ...emove burner compartment door to gain access to the radiant flame sensor 2 Disconnect the wires from the Radiant Sensor 3 Using a VOM check from common terminal to NC Nor mally Closed should read clos...

Page 85: ...et for S and V model furnaces it will be necessary to replace the pressure switch and orifices These changes are required to compensate for the reduc tion in atmospheric pressure less available air fo...

Page 86: ...se connection Manometer Hose O F F ON M P C 1 3 2 WR INLET OUTLET Pressure Regulator Adjustment Under Cap Screw Inlet Pressure Tap Side of Valve Outlet Manifold Pressure Tap Side of Valve Gas Valve Co...

Page 87: ...t vary more than 0 3 w c from the above specified pressures Any necessary major changes in gas flow rate should be made by changing the size of the burner orifice 5 To adjust the gas valve pressure re...

Page 88: ...sure tap plug before turning on gas to furnace 9 Turn on gas to furnace and check for leaks If leaks are found repair and then reinstall burner compartment door 10 Turn on electrical power and verify...

Page 89: ...or oversized poorly laid out duct work AIRC O MMAN D H I E F FICIEN C Y 80GA SF UR N AC E Amana Elect ronic Air Cl eaner Caution HighVo l ta ge Toavoi d personalinjury wait 1 5 sec onds after de en e...

Page 90: ...IMARY RL PRIMARY ROLLOUT LIMIT RL FLAME SENSOR COMBUSTION BLOWER CB DOOR SWITCH CLOSED WHEN DOOR IN PLACE 115V FIELD CONNECT AIR CIRCUL BLOWER ACB CAPACITOR CAP BR BR N L1 DOOR SWITCH GND IGNITOR GV C...

Page 91: ...OOR IN PLACE 115V FIELD CONNECT AIR CIRCUL BLOWER ACB CAPACITOR CAP BR BR N L1 GND IGNITOR CB PS NO C LOAD LINE TRANSFORMER 29 OR MED LOW 26 BK HI 23 BU MED 24 RD LOW PRESSURE SWITCH PS NC NO COM BK 3...

Page 92: ...27 PRIMARY ROLLOUT LIMIT RL FLAME SENSOR COMBUSTION BLOWER CB DOOR SWITCH CLOSED WHEN DOOR IN PLACE 115V FIELD CONNECT AIR CIRCUL BLOWER ACB CAPACITOR CAP BR BR X F M R I G N I N D C O O L H E A T P A...

Page 93: ...SED WHEN DOOR IN PLACE 115V FIELD CONNECT AIR CIRCUL BLOWER ACB CAPACITOR CAP BR BR N L1 GND IGNITOR CB PS NO C LOAD LINE TRANSFORMER 29 OR MED LOW 26 BK HI 23 BU MED 24 RD LOW PRESSURE SWITCH PS NC N...

Page 94: ...L PRIMARY ROLLOUT LIMIT RL FLAME SENSOR COMBUSTION BLOWER CB DOOR SWITCH CLOSED WHEN DOOR IN PLACE 115V FIELD CONNECT CAPACITOR CAP BR BR X F M R I G N I N D C O O L H E A T P A R K P A R K L I N E X...

Page 95: ...GAS VALVE GV THERMOSTAT CONNECTIONS WARNING DISCONNECT POWER BEFORE SERVICING WIRING TO UNIT MUST BE PROPERLY POLARIZED AND GROUNDED WARNING DISCONNECT POWER BEFORE SERVICING WIRING TO UNIT MUST BE P...

Page 96: ...O I N D i H I MANUFACTURER S VARIABLE LETTER GUIS090 50 MED LOW LOW OR 29 NC NO COM PS2 C NC NO PS1 PRESSURE SWITCH LOW AUX LIMIT PRIMARY ROLLOUT LIMIT RL RD 18 YL 11 PRIMARY LIMIT COOL PARK HEAT LO H...

Page 97: ...T 105C USE COPPER CONDUCTORS ONLY TERMINAL 4 UNIT MUST BE PERMANENTLY GROUNDED AND CONFORM TO N E C AND LOCAL CODES SYSTEM LOCKOUT RETRIES RECYCLES EXCEEDED IGN N IND N CIRC N INTERNAL 50A51 INTERNAL...

Page 98: ...fer to the appropriate wiring diagram for the unit being serviced 001 1M 3M K6 K1b K2a K1a HEAT COOL PARK PARK CIR NEU K7 K8 GAS VALVE HIGH LIMIT AUX LIMIT PRESSURE SWITCH FLAME SENSOR PROBE IGNITOR F...

Page 99: ...bove refer to the appropriate wiring diagram for the unit being serviced R K2 K1 PARK PARK COOL HEAT CIR NEU K5 ROLLOUT SWITCH PRESSURE SWITCH SILICON CARBIDE IGNITOR PO HLO HLI CIRCULATOR BLOWER XFMR...

Page 100: ...the unit being serviced OPTIONAL SENSOR PARK PARK ELECTRONIC AIR CLEANER HUMIDIFIER PRESSURE SWITCH AUX LIMIT PRIMARY LIMIT FLAME TH TR RO1 HL1 PS RO2 MV MV HLO FP COOL Y HEAT W 24V POWER R BLOWER G...

Page 101: ...own above refer to the appropriate wiring diagram for the unit being serviced HEAT COOL PARK PARK CIR NEU GAS VALVE HIGH LIMIT AUX LIMIT PRESSURE SWITCH FLAME SENSOR PROBE IGNITER FP IGN GND MVC MV PS...

Page 102: ...nit being serviced LINE HOT 120 VAC LINE NEU 001 1M 1M K1 HEAT HI COOL PARK K7 K8 36E 2 STAGE GAS VALVE HIGH LIMIT AUX LIMIT 1ST STAGE PRESSURE SWITCH FLAME SENSOR PROBE IGNITOR IGNN GND MVL PS2 PS1 H...

Page 103: ...ced COM CL LO HI LINE HOT 120 VAC LINE NEU 001 1M 1M K6 K1 HEAT HI COOL K7 K8 36E 2 STAGE GAS VALVE HIGH LIMIT AUX LIMIT 1ST STAGE PRESSURE SWITCH FLAME SENSOR PROBE IGNITOR IGNN GND MVL PS2 PS1 HLO H...

Page 104: ...A C H U M E A C H U M 1 2 ON 1 2 3 5 4 1 2 3 5 4 BU 08 WH 33 VT 03 YL 06 YL 06 YL 07 BK 09 OR 05 BU 08 OR 04 BK 09 COMBUSTION BLOWER HIGH VOLTAGE JUNCTION BOX R1 250 SW K1 T1 T2 MOTOR N C N O C S1 S2...

Page 105: ...LOAD LINE 1 2 ON C G R W Y TH FP HL0 TR R01 MV GND HLI MV R02 PS HOT 120VAC CIRCULATOR BLOWER C O O L H E A T P A R K P A R K L I N E X F M R E A C H U M I N G I G N NEUTRAL 120VAC H U M E A C L I N...

Page 106: ...DISCONNECT THE POWER BEFORE SERVICING WARNING FURNACE TWINING KIT FTK03A This schematic is for reference only Not all wiring is as shown above refer to the appropriate wiring diagram for the unit bei...

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