KHM Series - Wolseley Canada Inc
Contents
1. AIR CONDITIONING An air conditioning coil may be installed on the supply side only Coils installed on the return side will cause condensation on the heat exchanger this will shorten the heat exchanger life and may cause products of combustion to enter the house Wire as per wiring label and diagram Height of the coil above the unit supply shall be at least 4 102 mm 4 inch minimum See A C coil Manufacturers Requirements To check the AC coil total air flow resistance see procedure at page 33 HUMIDIFIER lf a humidifier is installed ensure that no water can drip or run from it into the furnace This would cause deterioration and void the furnace warranty 10 AIR FILTER RACK INSTALLATION The air filter rack is shipped uninstalled inside the furnace This way the owner can install it in the position that he wants There are 3 possible locations to install the air filter rack which are bottom left side bottom right side and under the furnace Follow the instructions below to install the air filter support properly Step 1 Slide air filter soacer inside the outside filter rack Step 2 Screw in the 4 screws to hold these two parts together Vou Bend must be te facing out Outside filter rack Air filter Spacer otep 3 Slide filter holder door and filter door otep 4 Use the 2 remaining screws to maintain the filter door in place 11 Step 5 Remove the 4 knockou2. C Corrective action Yes Move to next step No Check breaker main power switch Yes Move to next step No Check for bad connection Yes Move to next step No Change Transformer Yes Move to next step No Change the electronic board Yes Move to next step No Check thermostat and wiring Warning Make sure the quick connect cable is fully inserted on the board Limit Control Check for 120 Volts on each terminal of the two limits Check for 120 Volts coming from the main plug in of the electronic fan control to the limit control Check for 120 Volts coming out of the limit control Yes Move to step 5 No Move to next step Yes Move to next step No Change the electronic fan control Yes Move to step 5 No Failure on the limit control circuit Temperature too high Bad limit control 20 Step 5B Possible Cause Riello burner application Beckett Burner application Blower Low speed Check if the constant low speed switch is ON Check out procedure No Heat Check for 120 Volts on the black wire contact COM on the Riello burner relav kit Check if oil primarv control is on reset Check for continuitv between the two wires vellow and violet on the Riello burner relav kit Check for 120 Volts on the contact No of the Riello burner relav kit Check for 120 volts on the orange wire coming to the burner L Check for 120 Volts on the black wire termi
3. Figure 3 Figure 4 24 8 0 ELECTRICAL WIRING DIAGRAMS KHM RIELLO WIRING DIAGRAM MT 120 VAC 15 Amp White l2 19 POWER SUPPLY reen zog Black wire is used only on 59 OO Beckett Burner For Canadian app application only see wiring diagram of Fhe Blocked Vent Shut Riello Oil Off SwiFch BV50 In Fhe J Relay kit for Installation manual Riell gt Burner Burner page 9 figure 2 nid 25 BECKETT WIRING DIAGRAM ai a c TO 120 VAL 15 H Black aplication Wire kit Supplied with the Beckett Bur mar Far Canadian app applleat lon only see wining diagram af the Blocked Went Shut Off Switch 50 in the Installation manual page 9 Figure 2 NOTE 2 Mot famactad with Beckett Burner Transforming the electric box for a Beckett burner application see page 27 To ST9103 control plug in iii 7 To ST9103 control um L terminal W and R U 7 7 IGNITER X gt E gt lt 5 00 39 CSD E KERA MOTOR ip i a i White LS m gt iuh o G m oiL VALVE d posa qeu ZIDOR TR e cap S I I A TW 3 AN ly 5 juri ca bd M ES teminis SRL lt oe 77 located on opposite Ma mr side of control CAD CELL Gen
4. NPT Hex With THD Seal 32 INS P0 0018 00 Sight Glass Insulation 23 24 25 26 27 28 29 31 NO Oa E KHM 2 140 Exploded Parts View Detail A 000 00 Hectical Box Detail B M A 0 000 1 00 d PSC Motor Detail FAH AG DOOT DI ECM Motor KHM 2 140 Part List EM DESCRIPTION Left Panel Assembly Right Panel Assembly Rear Panel Assembly Blower Panel Assembly Front Panel Assembly 20 x 25 Filter Holder Assembly Base Panel Front Door Panel Blower Door Panel Handle Flush Pocket Pull Heat Exchanger Assembly Pipe Baffle Hi Boy Electrical Box Assembly Hi Boy Model Cover Electric Box Hi Boy Model ST9103A1028 Electronic Board 4 TF OO 4OVA 00 Transformer HTC 01A0BBO1 40 VA FAN A0 0001 00 Fan Motor Assembly KHM 140 PSC Motor FAN A0 0001 01 Fan Motor Assembly KHM 140 ECM Motor 3BU 12 00DD 00 Blower 12 Direct Drive GT12 10DD 2 SB 00 BUMR 00 Bracket Motor Mounting Direct Drive Blower 4CA 00 156M 2B Capacitor 15 uF 370VAC 70C 60 Hz 4 3BM 75 4SDD 02 Motor Blower 3 4 HP Ecotech EMERSON 02 2025 01 Filter Air 20 x 25 x 2 Non Pleated Strata Type INS P0 0020 00 Hi Boy Front Insulation 0 0010 00 Front Collector Assembly CAB P0 0121 00 Front Flue Collar 450 00 0185 00 Control Limit Snap Disc 185 Au to Reset L185 40F 0 INS P0 0017 00 Burner s Flange Insulation 3SG 0P 103
5. full line of oil fired furnaces in its 70 000 square feet facility Granby products are sold across 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 s certifications Thank you for choosing Granby 34
6. procedures of the appliance please take the time to read the IMPORTANT SAFETY ADVICE section of this manual WARNINGS NEVER burn garbage or paper in the unit NEVER store combustible material around it DO NOT attempt to start burner when excess oil has accumulated when unit is full of vapour or when heat exchanger is very hot DO NOT use gasoline crankcase drainings or any oil containing gasoline CAUTION DO NOT START THE BURNER UNTIL ALL FITTINGS COVERS AND DOORS ARE IN PLACE DO NOT TAMPER WITH THE FURNACE OR 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 a construction heater Use of this furnace as a construction heater exposes it to abnormal conditions contaminated combustion air and lack of air filtering Failure to follow this warning can lead to premature furnace failure which could result in a fire hazard and or bodily harm and or materials damages IMPORTANT Zan Installation Operation and This manual contains instructional and operational EG information for the KHM OIL FIRED FURNACE Read Se the instructions thoroughly before installing furnace or starting the burner Consult local authorities about your local FIRE SAFETY REGULATIONS All installations must be in accordance with local state or provincial codes Improper installation will result i
7. 0 5A Glass Sight Clear 1 NPT Hex With THD Seal 32 INS PO 0018 00 Sight Glass Insulation 2 2 3BM 75 4SDD 01 Motor Blower 3 4 HP Direct Drive 45 EMERSON 1 E W 4 4RY 00 24V0 00 Relay AE04001 24VAC Form G SPDT 24V 3 13 14 15 16 17 18 19 1 3 5 6 7 8 9 1 2 2 2 2 2 3 10 START UP TEST RESULTS Model Unit configuration Upflow Downflow Date of installation Installer name amp address START UP TEST RESULTS Size of unit Btu h Nozzle Chimney Burner adjustments RIELLOF3 RIELLOFS Turbulator Air Gate omoke result 0 Combustion Results Chimney draft Ambient temperature Gross flue temperature Temperature rise External total static pressure A C Coil total resistance Serial Number Horizontal left Horizontal right Oil Pressure psi Direct vent system DVS BECKETT AFGL2 BECKETT AFG Air band Air shutter TRACE 1 CO 96 W C E E see page 33 W C see page 33 W C see page 33 32 TEST PROCEDURES External Total Static Pressure 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 direct sight of heat exchanger 33 GRANBY Granby Furnaces Inc manufactures a
8. 7 8 1267 mm Width 217 16 545 mm PLENUM DIMENSIONS KHM 1 090 Cold air return A 18 x 18 457 x 457 mm Hot air supply B 20 x 20 508 x 508 mm PLENUM DIMENSIONS KHM 2 140 Cold air return A 23 18 584x457 mm Hot air supply B 24 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 LOCATION Minimum height above the heat exchanger 6 152 mm See A C Coil Manufactures Requirements SMOKE PIPE CONNECTION 5 Chimney or direct vent DVS Granby kit CLEANOUTS Front Cover amp Burner Opening THERMOSTAT Any thermostat FUEL Not heavier than No 2 furnace oil ELECTRICAL 120 Volts 60 Hz Canada Less than 12 amps USA 13 3 amps circuit protection 20 amps KHM 1 090 DIMENSIONS Dimensions are in inches KHM 2 140 DIMENSIONS Dimensions are in inches 3 0 FURNACE INSTALLATION OIL TANK amp PIPING Tank installation must conform to local requirements Install according to the applicable code such as CSA B139 and NFPA 31 number of connections in suction line and make all connections as tight as possible Use a pipe joint compound suitable for oil on all pipe threads tighten stem packing gland nut on any valves installed in the suction line Also be sure the oil filter is tight as filter gaskets often shrink Check for kinks in the oil lines as well as for
9. CO2 12 5 13 5 13 7 12 5 13 5 13 5 General Information PSC motor info Temperature Rise 40 70 40 70 50 80 40 70 40 70 50 05 Blower Speed 0 2 wc M LOW M HIGH M HIGH M LOW M HIGH M HIGH Blower Speed 0 5 wc M HIGH M HIGH HIGH M HIGH HIGH HIGH Energy Star ECM motor 0 2 wc to 0 5 wc static pressure Temperature Rise F 90 80 99 85 60 85 92 85 99 85 99 85 Blower Speed M LOW M LOW MEDIUM M LOW MEDIUM M HIGH Static Pressure at 0 2 WC 0 5 WC PSC 1 2 hp PSC 3 4 hp Blower ECM 1 2 hp ECM 3 4 hp Speed Speed MED es e pL ox 11 In the Unit Model number is specific information of the product for administration only 16 6 0 FURNACE OPERATION AND SETTINGS SHUTTING FURNACE DOWN POWER OFF Turn off main power breaker or disconnect FUEL OFF Shut off manual fuel supply valve Always keep manual fuel supply valve shut off if the burner is shut down for an extended period of time RESTARTING FURNACE Follow this procedure before restarting a unit that has been shut down for an extended period of time INSPECTION Have the furnace system serviced and inspected by a qualified technician FUEL Turn on fuel supply and check that there are no leaks POWER Turn on power and check that the furnace starts 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 ca
10. Installation Operation and service Manual KHM seres 85 EFFICIENCY OIL FIRED HI BOY FURNACE KHM 1 090 KHM 2 140 lb LISTED Intertek KHM 1 090 Illustration INSTALLATIONS 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 reference GRANBY FURNACES INC PO Box 637 12118 Hwy 209 Parrsboro Nova Scotia Canada BOM 180 902 254 2543 www granbyindustries com 11 09 2012 G2012 E2 Rev C 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 TABLE OF CONTENTS IMPORTANT SAFETY ADVICE 2 PRODUCT INFORMATION 3 FURNACE INSTALLATION 6 ACCESSORY INSTALLATION 9 BURNER INSTALLATION AND SPECIFICATIONS 13 5 1 ASSEMBLY amp INSTALLATION OF BURNER 13 5 2 SET BURNER FOR EFFICIENT OPERATION 14 5 3 TECHNICAL INFORMATION 16 FURNACE OPERATION AND SETTINGS 17 6 1 BLOWER SETTING 17 6 2 FAN TIMER CONTROL BOARD 519103 1028 18 6 3 ST9103A 1028 CONTROL BOARD SEQUENCE 19 6 4 SERVICING FAN TIMER ST9103 A 1028 20 SERVICE 22 ELECTRICAL WIRING DIAGRAMS 25 RIELLO WIRING DIAGRAM 25 BECKETT WIRING DIAGRAM 26 EXPLODED PARTS VIEW 28 KHM 1 90 28 KHM 2 140 30 START UP TEST RESULTS 32 1 0 IMPORTANT SAFETY ADVICE Please read and understand this manual before installing operating or servicing the furnace ensure you have a clear understanding of the operating
11. d according to section BURNER INSTALLATION AND SPECIFICATIONS see table at page 14 or operating decal as required CLEANING HEAT EXCHANGER Heat exchanger must be inspected every heating season Refer to instructions and pictures below Step 1 Remove the breech plate Step 2 PT TV ADV Remove the baffles and clean the round tubes if needed use a 2 diameter brush Remove the burner LU gt Step 4 Clean the transitions tubes if needed Step 5 Clean the combustion chamber if needed 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 size and type Dirty clogged or wrong sized filters will impair the furnace performance and may cause the furnace to shut down or overheat 23 BLOWER REMOVAL This furnace has a blower sealing system which is designed to be tight and rattle free Refer to the instructions and pictures below 1 2 Shut off oil and power to furnace Remove the two 2 screws securing the blower door Figure 1 Open blower compartment Figure 2 Disconnect the wiring to the blower motor Remove the screw securing the blower side to the separating panel Figure 3 Slide the blower toward vou and get the blower out of the furnace Figure 4 Figure 1
12. e vent pipe Install the securing nut on the safety switch tube which protrudes into the flue vent pipe Tighten the nut securely gt VENT PIPE p SECURING 1 L FTI Kd DISTANCE SAFETY _ CLOSE AS POSSIBLE SWITCH AL APPLIANCE L Y Q9 y 1 Illustration from the instruction Figure 2 BVSO wiring diagram manual of Field Controls Wiring Instructions BVSO Caution Disconnect the electrical power when wiring the unit Wire the blocked vent switch in accordance with The National Electrical Code and applicable local codes Wire the safety switch BVSO in series with the thermostat and the fan timer relay control Figure 2 System Test Procedure BVSO With the power re established block the chimney or vent pipe downstream of the switch Adjust the thermostat to call for heat Once the heating system has started the blocked vent switch should shut down the burner within 10 minutes or sooner Once the system has cooled the blocked vent switch can manually be reset This procedure should be tested a second time After testing the blocked vent switch the chimney should be cleared of obstruction and the heating system should be tested over a long run cycle NO ume If the block vent switch shuts down the system check to ensure there is enough draft in the chimney and venting pipes
13. ff cycle FANON When FAN ON is selected on the thermostat the blower will run constantly at the blower speed selected on the heating terminal This is the equivalent of jumping terminals R and G on the ST9103 board 18 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 19 6 4 SERVICING FAN TIMER ST9103A 1028 Trouble shooting the electronic board ST 9103 Before trouble shooting the board check for the 5 amp fuse For accurate trouble shooting follow step by step the Trouble Shooting Chart Step Possible Cause 1 Incoming supply 2 Transformer Electronic Fan control Check out procedure No Heat Check for 120 Volts between terminal S2 and 3 on electronic fan control Check for 120 Volts between terminal S3 and 4 on electronic fan control Check for 24 Volts between terminal X and C on electronic fan control Check for 24 Volts between R and C Check for 24 Volts between terminal W and C QX O9 09 W MW R Y
14. for the adjustments and are not meant as final settings On Beckett AFG burner make sure the correct retention head and Static disk are installed on the burner for the desired firing rate The head is held in place by two 2 screws at the end of the burner blast tube In the burner model in the table 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 Refer to the table on page 16 or operating decal Use air settings on page 16 as a guide to set air adjustment Those settings are only starting points for the adjustments and are not meant as final settings The draft regulator should be installed at least three 3 flue pipe diameters from breeching or elbow of the furnace On smoke vent pipe drill a 3 8 round opening The hole should be at least two 2 flue pipe diameter from breeching or elbow of the furnace ii Sampling Hole N N Draft a Regulator gulator Bumer Furnace pt y 14 DRAFT PRESSURE Using an accurate draft meter adjust the draft control to obtain 0 01 wc minimum draft pressure at the breech sampling hole The draft regulators adjustments should be made after furnace has been running under heating mode for at least five 5 minutes minimum COMBUSTION TEST All your tests must be done w
15. h a choice of right or left air 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 clearance information to combustibles see PRODUCT INFORMATION page 3 4 0 ACCESSORY INSTALLATION BLOCKED VENT SWITCH BVSO FOR CANADIAN APPLICATION ONLY Oil fired appliances installed in Canada require a blocked vent switch system when installed on a chimney A safety switch is included with the furnace to perform this function It is the installers responsibility to install the switch in accordance with the instructions provided Not applicable for Direct Vent systems Field Controls Model WMO 1 Manual Reset Switch Operation Blocked vent switches are flue gas safety devices for detecting spillage of flue gases due to a blocked flue or inadequate draft After detecting a problem the switch de energizes the system s burner control NEVER reset the switch unless the cause of the blockage 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 Remove one of the securing nuts from the threaded tube of the safety switch Tighten the other securing nut onto the pipe as far as possible o Insert the threaded tube end into the pierced hole of the flu
16. iSys control schematic with the ST9103 Board Electric box with a Beckett burner application Transforming the factory assembly Riello electric box to a Beckett electric box STEP 2 Connect the 2 pin connector to the 2 pin harness provided in the Beckett burner box STEP 3 Connect the 2 wires black and grey of the 2 pin harness to the TW and TR connection on the GeniSys primary control 27 9 0 EXPLODED PARTS VIEW KHM 1 090 Exploded Parts View Detail A ELB PO O006 00 Elecincal Box uo L Detail C AH AO ODOO02 0 ECM Motor Detail B Wf FAN A0 0002 00 F PSC Motor KHM 1 090 Part List Front Panel Assembly _ 20 x 20 Fiter Holder Assembly T m CAB A0 0021 00 Front Panel Assembly CAB A0 0022 00 20 x 20 Filter Holder Assembly N Base Panel Front Door Panel Blower Door Panel Handle Flush Pocket Pull Base Panel Front DoorPanl BewerDoorPand 00 Handle Flush PocketPul 4CB 00 FANO 00 ST9103A1028 Electronic Board 4RY 00 24V0 00 Relay AE04001 24VAC Form C SPDT 24V Pelay AE04001 24VAC Form 13 14 15 16 17 18 19 1 2 HEX A0 0013 00 Front Collector Assembly CAB P0 0121 00 Front Flue Collar 450 00 0185 00 Control Limit Snap Disc 1859 Au to Reset L185 40F 0 INS P0 0017 00 Burner s Flange Insulation 39G 0P 1030 5A Glass Sight Clear 1
17. ith the burner cover on Riello COMBUSTION After 10 minutes of normal operation take a smoke test and adjust SETTING the burner to obtain a reading of 1 on the smoke scale Take a EFFICIENCY test and note the result To reach the maximum smoke test value a 10 full slow steady pump action is required Open the air band adjustment on the burner to reduce your lecture by 1 To reach the maximum CO2 test value a 18 full slow steady pump action is required You now have a perfect slight trace of smoke E 2600 o i 00900 BACHARACH Relation between of and O CO 15 5 3 TECHNICAL INFORMATION KHM Series KHM 1 090 KHM 2 140 Riello Burner Unit Model Firing Rate USGPH 055 065 075 090 105 115 Input BTU h Output BTU h Nozzle Pump Pressure psi Turbulator Setting 0 0 0 0 1 2 Air Gate Adjustment Energy Star Approved AFUE Beckett Burner AFG L2 3 3 8 AFG F3 2 3 4 KHM G2 066 KHM G2 078 KHM G2 090 KLHMG2 102 KHM G2 119 KHM G2 132 Unit Model 03 03 03 05 05 05 KHM E1 067 KHM E1 079 KHM E1 091 KHM E3 109 KHM E3 127 KHM E3 139 Firing Rate USGPH 1 10 Input BTU h 154 000 Output BTU h 132 000 Nozzle 1 00 70B Low Firing Rate Baffle YES Pump Pressure psi 145 Air Band Gross 2 Air Shutter Fine A 65 7 6 10 Energy Star Approved AFUE
18. ll a qualified burner technician 6 1 BLOWER SETTING Ensure power is off when adjusting blower setting For heating use the blower speeds shown on the furnace specifications to give a temperature rise according to tables on page 16 The Lo blower speed can be used for air circulation when neither heating nor cooling are required Set blower speeds to match the installation requirements THERMOSTAT ANTICIPATOR SETTING Adjust to thermostat manufacturer s instruction FAN amp LIMIT CONTROL Limit 185f Factory set Fan On 45 seconds after burner stats Fan Off Adjustable on fan control board see page18 17 6 2 FAN TIMER CONTROL BOARD ST9103A 1028 o FAN OFF Dip Switches adjustment Dip Switches COMFORT ADJUSTMENTS o Outlet air consistently too warm or too cold change the blower motor speed to give the specified air temperature rise o Outlet air gets too warm and burner shuts down increase air by changing the blower motor speed to give the specified temperature rise o Outlet 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 ON 1 2 60 SEC 90 SEC 120 SEC 150 SEC FAN OFF Dip Switch OFF CYCLE AIR CIRCULATION LOW SPEED All KHM models have the low speed switch for optional constant air circulation during the furnace o
19. n voiding of warranty 2 0 PRODUCT INFORMATION CLEARANCE minimum TO COMBUSTIBLES UPFLOW POSITION Top amp Sides of Supply Plenum 1 25 mm Front Maintenance 24 610 mm Rear 0 0 mm First Side 0 0 mm Other Side 0 0 mm Flue Pipe 9 229 mm Floor Combustible DOWNFLOW POSITION Top a 51 mm Bottom and Sides Plenum 1 25 mm Rear 0 Omm First Side 0 0 mm Other Side 0 0 mm Front Maintenance 24 610 mm Flue Pipe 9 229 mm Floor with Down flow base Combustible 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 Breech draft pressure 0 01 wc minimum AIR BLOWER DATA External static Non A C 0 2 wc External static A C 0 5 wc Maximum cooling 3 0 tons KHM 1 090 5 0 tons KHM 2 140 Maximum air temperature rise oee page 16 and 33 High Limit max design outlet temp 185 Thermostat anticipator 0 2 amps MOTOR BLOWER KHM 1 090 1 2 hp 4 Speed G10 8 DD or 1 2 hp ECM G10 8 KHM 2 140 3 4 hp 4 Speed GT12 10DD or 3 4 hp ECM GT12 10 FAN HIGH LIMIT CONTROL Honeywell 579103 Fan Center 8 Thermo Disk 7 stem DIMENSIONS KHM 1 090 Depth 26 660 mm Height 46 1 4 1175 mm Width 217 16 545 mm DIMENSIONS KHM 2 140 Depth 30 762 mm Height 49
20. nal strip mid terminal Check if oil primary control is on Reset Check for continuity between the two wires black and gray TT on primary control Check for 120 Volts coming from the electronic fan control to the primary control black wire Check for 120 Volts coming from the primary control orange wire to the transformer motor and the electronic board Check for 120 Volts at the CONT terminal on the electronic fan control Check for 120 Volts on both side of the constant low speed switch Corrective action Yes Move to next step No Back to step 4 or check for bad connection Yes Press reset button No Move to the next step Yes Move to next step No Change the electronic fan control Yes Move to next step No Change the Riello burner relay kit Yes Failure on the burner No Change the electronic fan control Yes Move to next step No Back to step f 4 or check bad connection Yes Press reset button No Move to the next step Yes Move to next step No Change the electronic fan control Yes Move to next step No Change the electronic board Yes Failure on the burner No Change the primary control Yes Move to next step No Change the electronic fan control Yes Check LOW speed on the blower motor No Change the switch 21 Step Possible Cause Check out procedure No Cooling Check for 24 Volts between PONET G and C on electronic fan High speed cont
21. possible air pockets and for loose connections Two filters as shown below are recommended Optional tank gauge protectors and outlet protectors are available at your local dealer ONE PIPE SYSTEM TWO PIPES SYSTEM Vent Fill Minimize the To reduce possibility of air leaks Where the tank is above the burner and when the oil flows by gravity to the oil pump a single stage fuel unit with a single oil line to the pump may be used When a single line is unsuitable use a double line system or see your dealer for special oil line fittings Install by pass plug on burner fuel unit as specified in the burner manual I Oil Tank Gauge Shut Off l Oil Filter a Oil Line DA Oil Filter 10 Micron Highly Recommended N Draft Furnace Oil Tank and Piping Burner Cleanout Regulator PLACEMENT amp VENTING Furnace installation shall conform to the required installation code for oil fired equipment USA NFPA 31 Canada CSA B139 FLOOR SUPPORT CHIMNEY VENT CONDENSATION COMBUSTION amp VENTILATION AIR DRAFT ELECTRICAL CLEARANCES LOCATION COMBUSTIBLE If required support furnace on five 5 concrete blocks Make sure the center of the furnace base is supported Approved for installation on combustible floors in the upflow position and downflow position with the optional sub base Not approved fo
22. r installation on combustible floor in horizontal applications For horizontal applications use railing type support not supplied to keep the furnace in position Make sure that all clearances are respected Connect the furnace to a chimney vent system of size and condition required by the NFPA 31 USA or CSA B139 Canada code Furnace is approved for factory built chimney type L vents Breech is certified for 5 vent pipe Keep vent flue pipe as short as possible with a minimum upward slope of 4 per foot Vent flue pipes MUST NOT pass through a ceiling Maximum flue gas temperature is 575 If you have condensation in your chimney make sure that the chimney size is according to the tables in CSA B139 NFPA 31 The temperature at the entrance 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 AWARE THAT REMOVING BAFFLES REDUCES THE UNIT EFFICIENCY AND A MODIFIED UNIT IS NO LONGER ENERGY STAR APPROVED Install openings and ductwork to the furnace room providing fresh outside combustion and circulation air for cooling the furnace casing as installation code requires USA NFPA 31 Canada CSA B139 f installed in a closed room provide two free air ventilation openings of at least 8 x 12 96 sq in free flow area near ceiling and floor Oil burners must have sufficient air to allow ven
23. rol Check for 120 Volts at the COOL terminal of the electronic fan control Step Possible Cause Check out procedure Corrective action Yes Move to next step No Check thermostat and wiring if it s OK then change the electronic fan control Yes Check COOL speed on the blower motor No Change the electronic fan control Corrective action Electronic air filter and Humidifier Check for 24 volts between 8 Condensing unit terminal Y and C on the electronic fan control 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 demand Check for 120 Volts on terminal HUM of the electronic fan control burner must be energized 10 Humidifier 7 0 SERVICE REGULAR MAINTENANCE Yes Compressor ON No Check thermostat and wiring Yes Electronic filter failure No Change the electronic fan control Yes Humidifier failure No Change the electronic fan control Check complete operation at least once a year In Canada see B139 Maintenance in United States see NFPA 31 for recommended servicing procedure Clean flue pipes on a regular basis Replace flue pipes if there is any sign of corrosion or other problems Gaskets should be checked and may have to be replaced 22 CHANGING NOZZLE It is recommended that the nozzle be replaced once a year If a new nozzle a different size is installed change the blower spee
24. t systems to operate properly Use approved draft control supplied for 5 pipe Set specified draft minimum pressure of 0 01 wc Wire according to the National Electrical Code Canadian Electrical Code in Canada or local codes Use a separately fused 12 electrical line directly from the service panel to the furnace junction box Install a manual shut off switch at the door or stairway to furnace room so furnace can be shut off remotely Before placing unit review installation clearances as shown on furnace operating decal or section PRODUCT INFORMATIONS Install the furnace close to chimney and central to ductwork MULTI POSITION CONFIGURATIONS UPFLOW INSTALLATION DOWNFLOW INSTALLATION ll AIR RETURN f waew AIR t Downflow Sub base AIR RETURN WARM The return air opening can be located When the unit is installed in downflow on left side or on the right side of the configuration on a combustible floor the unit After installing the filter rack clearance from combustible material must be supplied with the unit we recommend respected The downflow sub base installing the blower door before CAB A0 0045 00 for KHM 1 090 handling the unit CAB A0 0046 00 for KHM 2 140 can be used to ensure these clearances HORIZONTAL INSTALLATION Ca AIR RETURN lt I WARM AIR When the unit is installed in the horizontal configuration on a combustible floor wit
25. ts on the panel left side right side or base panel where you want to install the air filter Step Cut the panel between the 4 knockouts 0000 ges eere otep 7 Using 8 screws install the air filter rack on the furnace otep 8 Slide the air filter inside the air filter rack 5 0 BURNER INSTALLATION AND SPECIFICATIONS 5 1 ASSEMBLY amp INSTALLATION OF BURNER ASSEMBLE Check burner model is correct for furnace rating required Assemble as per burner manufacturer s instructions SELECT NOZZLE Select oil input nozzle and burner configuration 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 setting INSERTION See figure below LENGTH 3 l BURNER INSERTION 1 In mm RELO 212 63 BECKETT 21 2 63 PUMP BY PASS For one pipe system factory setting no PLUG plug WIRING Refer to wiring diagram for correct burner connections see page 25 or 26 THERMOSTAT Connect the thermostat wires to the fan timer control board 579103 13 5 2 SET BURNER FOR EFFICIENT OPERATION BURNER SETTINGS PUMP PRESSURE AIR SETTING DRAFT REGULATOR SAMPLING HOLE A Use burner settings in the table on page 16 or operating decal as a guide to set burner particularly for nozzle change Those settings are only starting points
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