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Models:
AMT112SD
AMT112SV
c
Manufactured by:
Dettson Industries Inc
3400, Industrial Boulevard
Sherbrooke, Qc, Canada, J1L 1V8
www.dettson.ca
Attention
Do not tamper with the unit
or its controls.
qualified service technician.
Printed in Canada on 100% recycled paper
Installation Instructions
and Homeowner's Manual
us
INSTALLER / SERVICE TECHNICIAN :
Use the information in this manual for the installation / servicing of the
furnace and keep the document near the unit for future reference.
HOMEOWNER :
Call a
Please keep this manual near the furnace for future reference.
LOW-BOY
OIL-FIRED FURNACE
2013-03-02
X40187 Rev. B
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Summary of Contents for Dettson AMT112SD
- Page 1 Homeowner’s Manual LOW-BOY OIL-FIRED FURNACE Models: AMT112SD AMT112SV Manufactured by: Dettson Industries Inc 3400, Industrial Boulevard Sherbrooke, Qc, Canada, J1L 1V8 www.dettson.ca INSTALLER / SERVICE TECHNICIAN : Use the information in this manual for the installation / servicing of the Attention furnace and keep the document near the unit for future reference.
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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..........3 with 4 speed motor............5 DANGER OF FREEZING .......... -
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, ventilation openings are required for... -
Page 5: Installation Of The Burner
must be used. When Y1 on the electronic control receives Figure 2: Thermostat wiring, heating and air conditioning a 24 VAC signal, the air flow is reduced by 20%. Do not with 4 speed motor use terminal Y1 with a single stage cooling or heat pump. 2.4 IN STALLATION OF THE BURNER Also refer to the burner manufacturer’s instructions... -
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 is the exposure to chemicals or halogens that may harm the 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) (TONS) BLOWER SPEED CFM HTG. CFM A/C 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; WARNING The burner motor starts up to pre-purge the 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 temperature increases risk manipulations, the combustion parameters are necessarily condensation. Adjust the total flue gas temperature at or modified. Refer also to the burner instruction manual. higher than 204°C (400°F) in order for the heat exchanger warranty to remain in force.
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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: °F Chimney draft : "... -
Page 13: Table 7: Technical Specifications
Table 7: Technical specifications 112 LOWBOY SERIES 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)* 95 200 112 000 95 200 112 000 Maximum Heating capacity, (BTU/h)* 81 100 94 100 81 100... -
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.) HIGH 1680 1640 1600 1590 1540 1460 1210 1190 1180 1160 1130... -
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: Figure 9: Parts List With 4 Speed Motor (Psc)
Figure 9: Parts list with 4 speed motor (PSC) B50093B... -
Page 20: 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 21: Figure 10: Parts List With Variable Speed Motor (Ecm)
Figure 10: Parts list with variable speed motor (ECM) B50094B... -
Page 22: 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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