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LOW BOY
OIL FIRED FURNACE
INSTALLER / SERVICE TECHNICIAN:
USE THE INFORMATION IN THIS MANUAL FOR THE
INSTALLATION / SERVICING OF THE FURNACE AND KEEP
THE
DOCUMENT
REFERENCE.
HOMEOWNER:
PLEASE KEEP THIS MANUAL NEAR THE FURNACE FOR
FUTURE REFERENCE.
Printed on 100% recycled paper
NEAR
THE
UNIT
MODELS:
OLR112A16A
Attention:
Do not tamper with the unit or its
controls. Call a qualified service
FOR
FUTURE
technician.
Manufactured by:
Dettson Industries inc.
3400 Industrial Boulevard
Sherbrooke, Qc, Canada J1L 1V8
www.dettson.ca
2011-11-21
OLV112A16A
C
X40169 Rev. D
US
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Summary of Contents for Dettson OLR112A16A
- Page 1 DOCUMENT NEAR UNIT FUTURE technician. REFERENCE. Manufactured by: HOMEOWNER: Dettson Industries inc. PLEASE KEEP THIS MANUAL NEAR THE FURNACE FOR 3400 Industrial Boulevard Sherbrooke, Qc, Canada J1L 1V8 FUTURE REFERENCE. www.dettson.ca Printed on 100% recycled paper 2011-11-21 X40169 Rev. D...
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Page 2: Table Of Contents
TABLE OF CONTENTS FIGURES SAFETY REGULATIONS ........3 Figure 1: Location and dimensions of ventilation air SAFETY LABELING AND WARNING SIGNS ..3 openings in a closet door..........4 IMPORTANT INFORMATION ......... 3 Figure 2: Thermostat wiring, heating and air conditioning DETECTION SYSTEMS.......... -
Page 3: Safety Regulations
Before calling for service, be sure to have the SAFETY REGULATIONS information page of your manual close by in order to be able to provide the contractor with the SAFETY LABELING AND required information, such as the model and serial WARNING SIGNS numbers of the furnace. -
Page 4: Installation
INSTALLATION Installation in an enclosure 2.1.1 The unit is shipped with a burner and its controls. It requires a The unit can be installed in an enclosure such as a closet. 115VAC power supply to the control panel and thermostat However, 2 ventilation openings are required for hook-up as shown on the wiring diagram, one or more oil line combustion air. -
Page 5: 2.4 Installation Of The Burner
Note: On units with 2 stage cooling or heat pump, Figure 2: Thermostat wiring, heating and air conditioning with 4 speed motor terminal Y1 must be used. When Y1 on the electronic control receives a 24 VAC signal, the air flow is reduced by 20%. -
Page 6: Blocked Vent Shut-Off Device (Bvso) For Chimney Venting
Refer to the detailed instructions and wiring diagrams WARNING supplied with the BVSO for the installation and wiring procedures. The length of wires supplied with the unit is Poisonous carbon monoxide gas hazard. such that the safety device must be installed between the flue outlet of the appliance and the draft regulator, as Never install a hand operated damper in the vent pipe. -
Page 7: Oil Tank
2.7.1 Contaminated Combustion Air A manual shut-off valve and an oil filter shall be installed Installations in certain areas or types of structures will increase in sequence from tank to burner. Be sure that the oil line the exposure to chemicals or halogens that may harm the is clean before connecting to the burner. -
Page 8: Supply Air Adjustments (Ecm Variable Speed Motors)
Table 2: Supply air adjustments, A/C mode, 4 speed Table 5: Supply air adjustments, all modes, variable speed motor (ECM) motor A/C CAPACITY RECOMMENDED SW3 – ADJ (Adjustment) CFM HTG. CFM A/C (TONS) BLOWER SPEED DIP Switch Positions % increase % increase MED-LOW or decrease... -
Page 9: Operation
2.12.3 Air Conditioner (or Heat Pump) OPERATING SEQUENCE An air conditioning coil may be installed on the supply air side OIL HEATING MODE ONLY. The W-R contact closes; The burner motor starts up to pre-purge the WARNING combustion chamber for a period of 10 to 15 seconds. - Page 10 IMPORTANT CAUTION The combustion check verification MUST be performed after the nozzle replacement or the burner cleaning. After these Low flue gas temperature increases the risk of manipulations, the combustion parameters are necessarily condensation. Adjust the total flue gas temperature at or modified.
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Page 11: Maintenance
CLEANING THE BLOCKED VENT MAINTENANCE SHUT-OFF DEVICE (BVSO) For continuous safe operation, the Blocked Vent Shut-off WARNING device (BVSO) must be inspected and maintained annually by a qualified service technician. Electrical shock hazard. Disconnect power to the appliance; Turn OFF power and fuel to the furnace before any Remove the two screws holding on the BVSO disassembly or servicing. -
Page 12: Furnace Information
5 FURNACE INFORMATION Model: Serial number: Furnace installation date: Service telephone #-Day: Night: Dealer name and address: START-UP RESULTS Nozzle: Pressure: lb/po Burner adjustments: Primary air Fine air Drawer Assembly Smoke scale: (Bacharach) Gross stack temperature: ° F Ambient temperature: °... -
Page 13: Table 7: Technical Specifications
Table 7: Technical specifications LOWBOY SERIE 112 UNITS WITH 1/2 HP 4-SPD MOTOR UNITS WITH 3/4 HP ECM MOTOR RATING AND PERFORMANCE Firing rate (USGPH)* 0.68 0.80 0.68 0.80 Input (BTU/h)* 95 000 112 000 95 000 112 000 Maximum Heating capacity, (BTU/h)* 81 000 94 000 81 000... -
Page 14: Table 8: Airflow Data, Models With 3/4 Hp Variable Speed
Table 8: Airflow data, models with 3/4 HP variable speed motors (ECM) OIL HEATING MODE 24 VAC input (R) on W only SW1- HEAT HEAT INPUT CFM with SW3-ADJ CFM with SW3-ADJ CFM with SW3-ADJ DIP switch position (USGPH) DIP switch position A DIP switch position B DIP switch position C 0,68... -
Page 15: Table 9: Airflow Data, Models With 1/2 Hp 4 Speed Motors
Table 9: Airflow data, models with 1/2 HP 4 speed motors EXTERNAL STATIC PRESSURE WITH AIR FILTER BLOWER SPEED 0.2" (W.C.) 0.3" (W.C.) 0.4" (W.C.) 0.5" (W.C.) 0.6" (W.C.) 0.7" (W.C.) 1680 1640 1600 1590 1540 1460 HIGH MED-HIGH 1210 1190 1180 1160... -
Page 16: Figure 6: Furnace Dimensions
Figure 6: Furnace dimensions... -
Page 17: Figure 7: Wiring Diagram, 4 Speed Motor (Psc)
Figure 7: Wiring diagram, 4 speed motor (PSC) -
Page 18: Figure 8: Wiring Diagram, Variable Speed Motor (Ecm)
Figure 8: Wiring diagram, variable speed motor (ECM) - Page 19 COMPONENTS REPLACEMENT PARTS...
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Page 20: Figure 9: Parts List With 4 Speed Motor (Psc)
Figure 9: Parts list with 4 speed motor (PSC) B50093B... -
Page 21: Table 11: Parts List With 4 Speed Motor (Psc)
Table 11: Parts list with 4 speed motor (PSC) Item Part Description Comments B03690 HEAT EXCHANGER ASSEMBLY Heat exchanger only J06L002 SEAL STRIP DIA 1/8" DIA X 25' B03696 FLOOR ASSEMBLY B03709 WIRE CHANNEL, INT B03695-01 LOWER BLOWER DIVIDER ASSEMBLY Panel, 3 gaskets and baffle included B03719 CENTER BLOWER DIVIDER... -
Page 22: Figure 10: Parts List With Variable Speed Motor (Ecm)
Figure 10: Parts list with variable speed motor (ECM) B50094B... -
Page 23: Table 12: Part Lists With Variable Speed Motor (Ecm)
Table 12: Part lists with variable speed motor (ECM) Item Part Description Comments B03690 HEAT EXCHANGER ASSEMBLY Heat exchanger only J06L002 SEAL STRIP DIA 1/8" DIA X 25' B03696 FLOOR ASSEMBLY B03709 WIRE CHANNEL, INT B03695-01 LOWER BLOWER DIVIDER ASSEMBLY Panel, 3 gaskets and baffle included B03719 CENTER BLOWER DIVIDER...
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