13
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 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 21: ...21 Figure 11 Parts List With variable speed motor ECM B50096C...