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Table 7:  Technical Specifications 

154 LOWBOY SERIES

Firing rate (USGPH)*

0.9

1.10

0.9

1.10

Input (BTU/h)*

126,000

154,000

126,000

154,000

Maximum Heating capacity, (BTU/h)*

107,000

129,000

107,000

129,000

Heating temperature rise (Degr. F)*
Flue draft with chimney (inch of w.c.)
Overfire pressure with chimney (inch of w.c.)
Flue pressure with direct vent (inch of w.c. - no wind)
Overfire pressure with direct vent (inch of w.c. - no wind)

BECKETT BURNER; MODEL NX (Chimney or DV)

Burner tube insertion length (inches)
Head type
Nozzle (Delavan)**

0.75 - 60B

0.90 - 60B

0.75 - 60B

0.90 - 60B

Pump pressure (PSIG)*

145

150

145

150

Head/Air setting

2.5

3.25

2.5

3.25

AFUE %  (From CSA B212 standard and Canadian regulation)***

87.7%

86.7%

87.7%     ‡

86.7%     ‡

AFUE %  (From ASHRAE 103 standard and US regulation)***

86.6%

85.5%

86.6%     ‡

85.5%    ‡

RIELLO BURNER; MODEL 40-F5 (Chimney)

Burner tube insertion length (inches)
Nozzle (Delavan)**

0.75 - 70A

0.90 - 70A

0.75 - 70A

0.90 - 70A

Pump pressure (PSIG)*

145

150

145

150

Combustion air adjustment (turbulator/damper)

1.5 /  2.25

2.5 / 2.75

1.5 /  2.25

2.5 / 2.75

AFUE %  (From CSA B212 standard and Canadian regulation)***

87.6%

86.8%

87.6%     ‡

86.8%     ‡

AFUE %  (From ASHRAE 103 standard and US regulation)***

86.6%

85.8%

86.6%     ‡

85.8%     ‡

RIELLO BURNER; MODEL 40-BF5 (Direct vent DV)

Burner tube insertion length (inches)
Nozzle (Delavan)**

0.75 - 70A

0.90 - 70A

0.75 - 70A

0.90 - 70A

Pump pressure (PSIG)*

145

150

145

150

Combustion air adjustment (turbulator/damper)

1.0 / 3.75

3.0 / 4.25

1.0 / 3.75

3.0 / 4.25

AFUE %  (From CSA B212 standard and Canadian regulation)***

87.7%

86.1%

87.7%     ‡

86.1%     ‡

AFUE %  (From ASHRAE 103 standard and US regulation)***

87.5%

86.2%

87.5%     ‡

86.2%     ‡

Volts - Hertz - Phase
Rated current (Amps)
Minimum ampacity for wire sizing (Amps)
Max. fuse size (Amps)
Control transformer (VA)
External control power available     Heating (VA)
                                                   Cooling (VA)

Heating blower speed at 0.25" W.C. SP

MED-LOW

MED-HIGH

Heating blower speed at 0.50" W.C. SP

MED-LOW

MED-HIGH

Motor (HP) / number of speeds
Blower size (diam. x width)

Overall dimensions  (width x depth x height)
Supply air opening (width x depth)
Return air opening (width x depth)

Filter size and quantity

Shipping weight Lbs/Kg
Air conditioning, maximum output (tons) at 0.5" W.C. SP

* INPUT & OUTPUT ADJUSTMENT
    

Pump pressure can be adjusted to maintain proper firing rate.

       Increase pump pressure if flue gases temperature is under 400°F
      Adjust total flue gas temperature between 400? and 575?F (330? and 505?F 

net approx.) 

** Default installed nozzle in bold characters.
*** AFUE value established after minimum 20 hours of operation.

UNITS WITH 1.0 HP 4-SP. MOTOR UNITS WITH 1.0 HP ECM MOTOR

RATING AND PERFORMANCE

55 - 75 Degr. F

60 - 72 Degr. F

-0.06 to -0.25

-0.06 to -0.25

-0.035 to +0.025

-0.035 to +0.025

+0.05 à +0.12

+0.05 à +0.12

+0.06 à +0.16

+0.06 à +0.16

NX56LC

NX56LC

1 3/4''

1 3/4''

6 - Slot LC head

6 - Slot LC head

F5 WITH ELECTRIC AIR DAMPER F5 WITH ELECTRIC AIR DAMPER

2 3/4''

2 3/4''

BF5

BF5

2 3/4''

2 3/4''

ELECTRICAL SYSTEM

115 - 60 - 1

115 - 60 - 1

16,9

15,7

19,5

18,1

20

20

40

40

40

40

30

30

BLOWER DATA

See the ECM air flow table

23 3/4'' x 19 3/4''

23 3/4'' x 19 3/4''

1.0 HP  / 4 speeds

1.0 HP  /  ECM (with power choke)

12''  x  10'' (tight housing)

12''  x  10'' (tight housing)

GENERAL INFORMATION

24 3/4'' x 52'' x 39 1/4''

24 3/4'' x 52'' x 39 1/4''

23 3/4'' x 23 3/4''

23 3/4'' x 23 3/4''

5.0

5.0

20'' x 24'' x 1" or 2'' (quantiy = 1)

16'' x 24'' x 1'' (quantity = 2)

20'' x 24'' x 1" or 2'' (quantiy = 1)

16'' x 24'' x 1'' (quantity = 2)

270/122.5

270/122.5

 

‡ = 

Summary of Contents for AMT154SDMA

Page 1: ...ke Qu bec www dettson ca Attention Do not tamper with the unit or its controls Call a qualified service technician INSTALLER SERVICE TECHNICIAN USE THE INFORMATION IN THIS MANUAL FOR THE INSTALLATION...

Page 2: ...ply air Temperature Rise Test 10 3 3 8 Limit Control Check 10 3 3 9 Restart after burner failure 10 4 MAINTENANCE 10 4 1 CLEANING THE HEAT EXCHANGER 10 4 2 CLEANING THE BLOCKED VENT SHUT OFF DEVICE BV...

Page 3: ...formation such as the model and serial numbers of the furnace WARNING Installations and repairs performed by unqualified persons can result in hazards to them and to others Installations must conform...

Page 4: ...re the ambient and return air temperatures are above 15 C 60 F In addition the furnace should be installed as closely as possible to the vent so that the connections are direct and kept to a minimum T...

Page 5: ...ired for Riello burners Refer to the burner control instruction manual and markings for proper adjustment of the post purge delay 2 5 VENTING WARNING Poisonous carbon monoxide gas hazard Never install...

Page 6: ...equate supply of combustion air It is common practice to assume that older homes have sufficient infiltration to accommodate the combustion air requirement for the furnace However home improvements su...

Page 7: ...ated the return air must be sealed and also be directed to the space other than where the furnace is located 2 9 1 Air filter A properly sized air filter must be installed on the return air side of th...

Page 8: ...heating or air conditioning mode This signal can be used to activate an electronic air cleaner that is not equipped with an air flow switch If the cleaner is equipped with an air flow switch the S te...

Page 9: ...of the oil piping and pump Slowly close and tighten the bleed screw Once closed the flame will light up 3 3 2 Pressure adjustment The oil pressure must be adjusted according to the Technical Specifica...

Page 10: ...burner should restart after a few minutes The time required for the restart also depends on the adjustment of the blower OFF delay 3 3 9 Restart after burner failure 1 Set the thermostat lower than r...

Page 11: ...uction inside the heat transfer tube 7 Re mount lock and fasten the control box with the 2 screws removed in step 4 8 Re attach the assembly cover with the screws removed in step 2 9 Re establish powe...

Page 12: ...vice telephone Day Night Dealer name and address START UP RESULTS Nozzle Pressure lb po 2 Burner adjustments Primary air Fine air Drawer Assembly CO2 Smoke scale Bacharach Gross stack temperature F Am...

Page 13: ...n 87 5 86 2 87 5 86 2 Volts Hertz Phase Rated current Amps Minimum ampacity for wire sizing Amps Max fuse size Amps Control transformer VA External control power available Heating VA Cooling VA Heatin...

Page 14: ...Time ShortRun On Delay CFM Level Time Off Delay CFM Level Time A 1 OFF 2 OFF 0 90 13 45 sec 44 30 sec 38 3 min B 1 ON 2 OFF 1 10 13 30 sec 44 30 sec 38 3 min C 1 OFF 2 ON 1 10 13 30 sec 50 30 sec 38...

Page 15: ...WITH AIR FILTER Table 10 Minimum clearances from combustible material LOCATION APPLICATION CLEARANCES combustible materials RECOMMANDED ACCESS FOR SERVICE FURNACE 2 54 cm 1 0 6 m 24 SUPPLY PLENUM WIT...

Page 16: ...16 Figure 7 Furnace Dimensions...

Page 17: ...17 Figure 8 Wiring Diagram 4 Speed Motor PSC...

Page 18: ...18 Figure 9 Wiring Diagram Variable Speed Motor ECM...

Page 19: ...19 Figure 10 Parts List With 4 Speed motor PSC B50095B...

Page 20: ...TERIOR 33 F06F015 ZINC WASHER 1 7 16 34 Z99F061 SIGHT GLASS FOR HEAT EXCHANGER 35 Z06G001 BLOCKED VENT SHUT OFF BVSO 225 36 B03675 GASKET SMOKE OUTLET 37 B03765 CLEAN OUT ASSEMBLY Item 36 included 38...

Page 21: ...21 Figure 11 Parts List With variable speed motor ECM B50096C...

Page 22: ...ELECTRICAL BOX COVER Panel only 32 B03118 01 ELECTRICAL KIT BVSO EXTERIOR 33 F06F015 ZINC WASHER 1 7 16 34 Z99F061 SIGHT GLASS FOR HEAT EXCHANGER 35 Z06G001 BLOCKED VENT SHUT OFF BVSO 225 36 B03675 G...

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