Table of Contents
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OIL FIRED
HOT WATER BOILER
INSTALLER / SERVICE TECHNICIAN:
USE THE INFORMATION IN THIS MANUAL FOR THE INSTALLATION AND
SERVICING OF THE FURNACE AND KEEP THE DOCUMENT NEAR THE
UNIT FOR FUTURE REFERENCE.
HOMEOWNER:
PLEASE KEEP THIS MANUAL NEAR THE FURNACE FOR FUTURE
REFERENCE.
Printed in Canada
Printed on 100% recycled paper
HMT
HM2
2017-10-13
Models :
HMR
HMT
HM2
HMR
Caution: Do not tamper with
the unit or its controls. Call a
qualified service technician.
Manufactured by:
DETTSON INDUSTRIES INC.
3400 Industrial Boulevard
Sherbrooke, Quebec – Canada - J1L 1V8
www.dettson.ca
X40019 Rev. AD
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Summary of Contents for Dettson HMR
- Page 1 USE THE INFORMATION IN THIS MANUAL FOR THE INSTALLATION AND SERVICING OF THE FURNACE AND KEEP THE DOCUMENT NEAR THE Manufactured by: UNIT FOR FUTURE REFERENCE. DETTSON INDUSTRIES INC. 3400 Industrial Boulevard HOMEOWNER: Sherbrooke, Quebec – Canada - J1L 1V8 PLEASE KEEP THIS MANUAL NEAR THE FURNACE FOR FUTURE www.dettson.ca...
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Page 2: Part 1 Installation
1.2) UNIT IDENTIFICATION It is very important that you consult Figures 1 to 3 to identify the characteristics of each of the models offered in the “HMR - HMT – HM2” series. “HMR” boilers without sanitary hot water coil and Figure 1: with a 13 cm (5") flue-pipe. -
Page 3: Oil Supply
Transport Company. “HMR – HMT – HM2” boilers with integrated by-pass are designed for 1.4) INSTALLATION installation on any type of distribution (piping) system that is equipped... - Page 4 PIPING 1.7.3) Side wall venting “HMR-HMT-HM2” hot water boilers are approved for installation with The satisfactory operation of your boiler depends greatly on the the SMH side wall venting system. HMT hot water boiler is also installation of your plumbing. Refer to Figure 4.
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Page 5: Part 2 Operation
1.14) THERMOSTAT 1.13) SANITARY HOT WATER HEATING COIL The thermostat must be mounted on an inside wall, approximately Before attempting to install a coil, always check the water quality to 1.5 m (5') above the floor. The location should be such that the avoid premature scaling, which quickly renders your installation thermostat is not subjected to air currants and/or exposed to direct inefficient. -
Page 6: Part 3 Maintenance
PART 3 MAINTENANCE 3.1) MAINTENANCE 3.7) BLOCKED VENT SHUT-OFF (BVSO) CLEANING The area around the boiler must be kept free of combustibles, excessive dust and humidity, and highly flammable products at all For continued safe operation, the Blocked Vent Shut-Off System times. -
Page 7: Start-Up Test Results
PART 4 INFORMATION Model: Serial number: Installation date of the boiler: Service telephone # - Day: Night : Dealer name and address : START-UP TEST RESULTS Nozzle: Pressure : lb/in Burner adjustments : Primary air Fine air Draw Assembly Smoke scale : (Bacharach) Gross flue temperature: °F... - Page 8 TABLE 2 Technical specifications HMR Beckett Burner AFG-F HMR-80-B HMR-92-B HMR-103-B HMR-121-B Capacity (BTU/h) 79000 90000 101000 116000 Input (USGPH) 0.65 0.75 0.85 1.00 Retention head LFRB* Nozzle (Delavan) 0.65-80W 0.75-80W 0.85-80W 1.00-80A Pressure (PSI) Insertion tube (in.) 2 7/8...
- Page 9 TABLE 3 Technical specifications HMT Beckett Burner AFG-F HMT-12-B HMT-14-B HMT-16-B HMT-18-B (With chim ney) Capacity (BTU/h) 118000 141000 158000 175000 Input (USGPH) 1.00 1.20 1.35 1.50 Retention head LFRB* Nozzle (Delavan) 1.00-70A 1.20-70A 1.35-70A 1.50-70A Pressure (PSI) Insertion tube (in.) 2 7/8 2 7/8 2 7/8...
- Page 10 TABLE 4 Technical specifications HM2 HM-185-B HM-212-B HM-240-B HM-266-B HM-293-B Beckett Burner AFG-V1 Capacity (BTU/h) 185000 215000 243000 270000 296000 Input (USGPH) 1.50 1.75 2.00 2.25 2.50 Retention head MD-V1 MD-V1 MD-V1 MD-V1 MD-V1 LFRB* Nozzle (Delavan) 1.50-70B 1.75-70B 2.00-70B 2.25-70B 2.50-70B Pressure (PSI)
- Page 11 FIGURE 1 HMR Boiler DNS-0317 Rev. B FIGURE 2 HMT boiler with or without coil DNS-0321 Rev. C...
- Page 12 FIGURE 3 HM2 boiler with or without coil DNS-0320 Rev. B...
- Page 13 FIGURE 4 General piping installation diagram DNS-0523 Rev.
- Page 14 FIGURE 5.1 Typical connection without sanitary water coil Control used: “Triple action” temperature control - Honeywell # L6081A or White Rodgers # 11C61 (Aquastat Triple, Hi-Lo/Circ) DNS-0144 Rev. H Operation and typical settings Operation : Thermostat opened -or- “Hi” contact opened Burner Stop Thermostat closed -and- “Hi”...
- Page 15 FIGURE 5.2 Typical connection for system with finned tube radiators and without sanitary water coil Control used: - “Triple action” temperature control Honeywell # L6081A or White Rodgers # 11C61 (Aquastat Triple, Hi-Lo/Circ) - Pump relay Honeywell # RA89A or White Rodgers # 809A DNS-0145 Rév.
- Page 16 FIGURE 5.3 Typical connection with or without sanitary water coil Control used: “Triple relay Multizone” temperature control Honeywell # L8124L1029B DNS-0943 Rev. C Operation and typical settings Operation: Burner Stop "Hi" contact opened -or- if Thermostat opened, "Lo" contact opened Start "Hi"...
- Page 17 FIGURE 5.4 Typical connection with or without sanitary water coil Control used: Triple relay temperature control Honeywell # L8124L1102B DNS-0146 Rev. C Operation and typical settings Operation: Burner Stop "Hi" contact opened -or- if Thermostat opened, "Lo" contact opened Start "Hi"...
- Page 18 FIGURE 5.5 Typical connection with or without sanitary water coil Control used: - “Triple action” temperature control Honeywell # L6081A or White Rodgers # 11C61 (Aquastat Triple, Hi-Lo/Circ) - Pump relay Honeywell # RA89A or White Rodgers # 809A Operation and typical settings Operation: Burner Stop...
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Page 19: Parts List
PARTS LIST Model : HMR (HM-080 @ HM-103) B50019B... - Page 20 PARTS LIST Model : HMR (HM-080 @ HM-121) ITEM PART # DESCRIPTION B 00472-01 FLOOR B 0061 9-01 FLOOR INSULA TION B 0061 8-01 COM B USTION CHA M B ER B OTTOM INSULA TION F03F004 FLOOR SCREW (Quantity: 4)
- Page 21 PARTS LIST Model : HMT (HMT-12 @ HMT-18) S/N greater than D010408972 B50020B...
- Page 22 PARTS LIST Model : HMT (HMT-12 @ HMT-18) S/N greater than D010408972 ITEM PART # DESCRIPTION B 02349-01 HEA T EXCHA NGER (Witho ut co il) B 01 91 0 HEA T EXCHA NGER OUTER INSULA TION G08F004 REDUCER B USHING 1 " x 1 /2" B LA CK G1 1 Z001 DRA IN FA UCET 1 /2"...
- Page 23 PARTS LIST Model : HM2 (HM-185 @ HM-293) S/N greater than D010408972 B50021B...
- Page 24 PARTS LIST Model : HM2 (HM-185 @ HM-293) S/N greater than D010408972 ITEM PART # DESCRIPTION B 00989 HEA T EXCHA NGER B 0061 8-04 COM B USTION CHA M B ER B OTTOM INSULA TION B 0061 9-03 FLOOR INSULA TION B 00472-03 FLOOR F03F004...