Granby KHM-1/090 Installation, Operation And Service Manual Download | Manualshive

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6.3 ST9103A 1028 CONTROL BOARD SEQUENCE

ST9103 Heating Sequence

1)  Thermostat calls for Heat.
2)  Burner starts
3)  Blower starts after 45 seconds
4)  Burner shuts down after call for heat is satisfied
5)  Blower stops according to adjusted (FAN OFF) Dip switch selection

ST9103 Cooling Sequence

1)  Thermostat calls for cooling
2)  Blower starts immediately
3)  Cooling unit starts
4)  Blower stops immediately after cooling demand is satisfied
5)  Cooling unit stops

Honeywell ST9103A 1028 Electronic Board

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Summary of Contents for KHM-1/090

Page 1: ...MUST MEET ALL LOCAL AND FEDERAL CODES THAT MAY DIFFER FROM THIS MANUAL Please read the manual in its entirety before beginning installation This manual must be kept with the furnace for future referen...

Page 2: ...ER FOR EFFICIENT OPERATION 14 5 3 TECHNICAL INFORMATION 16 6 0 FURNACE OPERATION AND SETTINGS 17 6 1 BLOWER SETTING 17 6 2 FAN TIMER CONTROL BOARD ST9103 A 1028 18 6 3 ST9103 A 1028 CONTROL BOARD SEQU...

Page 3: ...R CONTROLS CALL A QUALIFIED BURNER TECHNICIAN DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPOURS AND LIQUIDS IN THE VICINITY OF THIS UNIT OR ANY OTHER APPLIANCE DANGER Do not use this furnace as...

Page 4: ...bustible HORIZONTAL POSITION Top 2 51 mm Bottom and Sides Plenum 1 25 mm Rear 1 25 mm First Side 1 25 mm Other Side 1 25 mm Front Maintenance 24 610 mm Flue Pipe 9 229 mm Floor 2 51 mm DRAFT PRESSURE...

Page 5: ...KHM 2 140 Cold air return A 23 x 18 584 x 457 mm Hot air supply B 24 x 20 610 x 508 mm AIR FILTERS KHM 1 090 20 x 20 x 2 non pleated UL approved KHM 2 140 25 x 20 x 2 non pleated UL approved A C COIL...

Page 6: ...5 KHM 1 090 DIMENSIONS Dimensions are in inches KHM 2 140 DIMENSIONS Dimensions are in inches...

Page 7: ...er is tight as filter gaskets often shrink Check for kinks in the oil lines as well as for possible air pockets and for loose connections Two filters as shown below are recommended Optional tank gauge...

Page 8: ...trance of the chimney can be increased by insulating the flue pipe between the furnace and the chimney base If this is not sufficient consider cutting or removing some flue baffles in the furnace BE A...

Page 9: ...outlet the clearance of 2 from combustible material must be taken into consideration The burner must always be installed facing upwards regardless of the configuration installation For complete clear...

Page 10: ...e has been corrected Installation Figure 1 1 Drill a 5 8 hole in to the flue vent pipe near the appliance breech connection 2 This hole must be before the draft regulator vertically or horizontally 3...

Page 11: ...ent switch shuts down the system check to ensure there is enough draft in the chimney and venting pipes AIR CONDITIONING An air conditioning coil may be installed on the supply side only Coils install...

Page 12: ...m right side and under the furnace Follow the instructions below to install the air filter support properly Step 1 Slide air filter spacer inside the outside filter rack Step 2 Screw in the 4 screws t...

Page 13: ...t side right side or base panel where you want to install the air filter Step 6 Cut the panel between the 4 knockouts Step 7 Using 8 screws install the air filter rack on the furnace Step 8 Slide the...

Page 14: ...tion as shown on furnace operating decal INSTALL NOZZLE Install selected nozzle check for clean seating and tighten in nozzle adaptor ELECTRODES See burner manufacturer s instructions for correct sett...

Page 15: ...able of page 16 the head is always after the AFG designation and the static disk after the head For example the AFG L2 3 3 8 means an AFG chassis burner with a L2 head and a static disk of 3 3 8 PUMP...

Page 16: ...s of normal operation take a smoke test and adjust SETTING the burner to obtain a reading of 1 on the smoke scale Take a CO2 EFFICIENCY test and note the result Open the air band adjustment on the bur...

Page 17: ...65 60W 0 75 70B 0 85 70B 1 00 70B Low Firing Rate Baffle YES YES YES YES YES YES Pump Pressure psi 145 145 145 145 145 145 Air Band Gross 1 1 1 1 2 2 Air Shutter Fine 4 6 5 8 7 6 10 Energy Star Appro...

Page 18: ...ts and operates as usual OPERATION If the furnace system fails to operate or operates in an unusual manner call your service technician If the burner fails to operate at any time call a qualified burn...

Page 19: ...tlet air is too cold or too warm at the end of the heating cycle after the burner has turned off adjust the FAN OFF dip switch on electronic fan center Refer to the next figure FAN OFF Dip Switch OFF...

Page 20: ...Burner shuts down after call for heat is satisfied 5 Blower stops according to adjusted FAN OFF Dip switch selection ST9103 Cooling Sequence 1 Thermostat calls for cooling 2 Blower starts immediately...

Page 21: ...Move to next step No Check for bad connection Yes Move to next step No Change Transformer 3 Electronic Fan control Check for 24 Volts between R and C Yes Move to next step No Change the electronic bo...

Page 22: ...20 Volts on the black wire terminal strip mid terminal Yes Move to next step No Back to step 4 or check bad connection Check if oil primary control is on Reset Yes Press reset button No Move to the ne...

Page 23: ...ronic fan control Yes Compressor ON No Check thermostat and wiring 9 Electronic air filter Check for 120 Volts on terminal EAC of the electronic fan control thermostat must call a Heat Cool or Fan ON...

Page 24: ...ures below AIR FILTERS To maintain furnace performance and safety replace dirty filters as required or at least once every heating season or as required Use new approved disposable filters of the same...

Page 25: ...off oil and power to furnace 2 Remove the two 2 screws securing the blower door Figure 1 3 Open blower compartment Figure 2 4 Disconnect the wiring to the blower motor 5 Remove the screw securing the...

Page 26: ...25 8 0 ELECTRICAL WIRING DIAGRAMS...

Page 27: ...26 Transforming the electric box for a Beckett burner application see page 27 GeniSys control schematic with the ST9103 Board...

Page 28: ...box to a Beckett electric box STEP 1 Locate and disconnect the 2 pin Molex connector STEP 2 Connect the 2 pin connector to the 2 pin harness provided in the Beckett burner box STEP 3 Connect the 2 wi...

Page 29: ...28 9 0 EXPLODED PARTS VIEW KHM 1 090 Exploded Parts View...

Page 30: ...elay AE04001 24VAC Form C SPDT 24V 1 17 4TF 00 40VA 00 Transformer HTC 01A0BB01 40 VA 1 18 FAN A0 0002 00 Fan Motor Assembly KLR 090 PSC Motor 1 19 FAN A0 0002 01 Fan Motor Assembly KLR 090 ECM Motor...

Page 31: ...30 KHM 2 140 Exploded Parts View...

Page 32: ...Relay AE04001 24VAC Form C SPDT 24V 1 17 4TF 00 40VA 00 Transformer HTC 01A0BB01 40 VA 1 18 FAN A0 0001 00 Fan Motor Assembly KHM 140 PSC Motor 1 19 FAN A0 0001 01 Fan Motor Assembly KHM 140 ECM Moto...

Page 33: ...si Chimney____________ Direct vent system DVS ____________ Burner adjustments RIELLO F3___ RIELLO F5___ BECKETT AFG L2___ BECKETT AFG F3____ Turbulator ______ Air band ______ Air Gate ________ Air shu...

Page 34: ...sure Reading A C Coil Total Resistance Reading Supply Pressure Ps Return Pressure Pr Coil Pressure Pc Supply Pressure Ps Temperature Rise Reading Supply Temp Ts Return Temp Tr Probe must not be in dir...

Page 35: ...Canada and the United States through a distribution network Our team of engineers designers and technicians continually research and develop products to go beyond the demanding specifications of today...

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