Residential Hydronic Boiler - Laars
Residential Hydronic Boiler
MASCOT LX ®
MLXH Hydronic Boiler
Standard Equipment
• High condensing efficiency • Modulation down to 20% of full fire (5:1 turndown) • Sealed combustion chamber • Pre-mix stainless steel burner • Low NOx system exceeds the most stringent regulations for air quality – 10ppm NOx • Horizontal or vertical direct vent • Vent and air pipe lengths of up to 150 equivalent feet (each) • Horizontal vent and air terminals • Stainless steel heat exchanger with welded construction • ASME 30 psi (207kPa) working pressure heat exchanger • ASME "H" stamp • 30 psi (207kPa) ASME pressure relief valve • Auto cascade setup
Boiler Data
Number of Units:
Date:
Indoor, Sizes 50, 75, 100, 125, 150, 175, 220
Project #:
Submittal Data
Engineer:
Project Name:
Prepared By:
Location:
Bid Date:
Contractor:
• Boiler pump wired and mounted inside jacket • Built-in condensate trap and drain, priming not required • Automatic air vent • Temperature and pressure gauge • Boiler water pressure switch • Blocked vent pressure switch
• Large user-interface and display • Alarm output • Accepts external (4-20mA or 0-10VDC) modulation signal • Outdoor reset (sensor included) • Outdoor air reset curve • Vent temp auto turn-down before lockout
• Blocked condensate pressure switch
• Manual reset high limit
• Burner site glass
• Wall mount bracket
• Electronic PID modulating control • Direct spark ignition
• Lighted on/off toggle switch • Field convertible between natural gas and propane
• Multiple pump control for boiler pump and system pump, each with delay
• Zero clearance to combustible surfaces
• Domestic Hot Water Pump Output
• 2-Year parts warranty
• 15-Year limited warranty
• Customizable Freeze Protection • Anti-short cycling
Fuel Natural Propane
Options Low Water Cut-off
Accessories for Field Mounting
Concentric flush-mount 2" terminal Concentric flush-mount 3" terminal BACnet gateway LON gateway
Concentric elbow, 90° Wall plate for concentric pipe Horizontal concentric sstl terminal Horizontal concentric 2" PVC terminal Horizontal concentric 3" PVC terminal
Horizontal concentric vent kit Concentric vent adapter Concentric pipe, 12" long Concentric pipe, 24" long Concentric pipe, 36" long Concentric pipe, 13"-18" telescoping
Sizing Data WALL Sizing ata WALL Data WALL Input
Sizing Model Data Model BTU/h
Boiler Boiler Boiler Combi Combi Input Output DHW DHW Shipping Shipping Input Output Output DHW AFUE DHW Gas AFUE Gas Water AFUEWater DHWGas Shipping DHWWater Shipping Shipping Model @Size Conn. Conn. Conn. Conn. Size Weight Weight Output @ Output @ Conn. Size Output Conn. Conn.Size Conn. Size SizeSize Conn. Weight Size SizeWeight Weight BTU/h BTU/h kW 75°F Rise inches inches kW BTU/h BTU/h kW kW BTU/h75°FkW kW Rise 75°F Rise inches inches inches inches inches lbs inches kg lbs lbs inches kg kg lbs lbskg kg
Combi Shipping Weight lbs kg
MLX
50 MLX 50,000 50
MLX47,500 50 14.6 50,000 14.6 H
50,000 13.2 47,500 14.6 13.2 -
47,500 13.2 - NPT 1/2” 95% - 1/2” 95% NPT 1/2” 3/4” NPT95% 3/4” NPT - NPT88- 3/4” 40NPT 88-
40--
- 88 - 40
-
-
MLX
75 MLX 75,000 75
MLX71,250 75 21.9 75,000 21.9 H
75,000 20.8 71,250 21.9 20.8 -
71,250 20.8 - NPT 1/2” 95% - 1/2” 95% NPT 1/2” 3/4” NPT95% 3/4” NPT - NPT97- 3/4” 44NPT 97-
44--
- 97 - 44
-
-
MLX
MLX95,000 100 100,000 100MLX 100,000 100 29.3 100,000 29.3 27.8 95,000 29.3 27.8 H
95,000 27.8 - NPT 1/2” 95% - 1/2” 95% NPT 1/2” 3/4” NPT95% 3/4” NPT - NPT112- 3/4” 51NPT 112-
51--
- 112 - 51
-
-
MLX
MLX 125 125,000 34.8 gpm 1/2” 3/4” NPT13312660 57 125MLX 125,000 125 36.6 125,000 118,750 36.6 118,750 34.8 3.136.6 34.8 gpm 118,750 3.1 95% gpm1/2” 95% NPT 3.1 1/2” 3/4” NPT NPT95% 3/4” 1/2”NPT NPTNPT 1/2” 126NPT 57NPT 126 1331/2” 5760 H
133
60
MLX
MLX 150 142,500 150,000 41.8 gpm 1/2” 1“64 NPT NPT14814067 64 150MLX 150,000 150 43.9 150,000 142,500 43.9 41.8 3.743.9 41.8 gpm 142,500 3.7 95% gpm1/2” 95% NPT 3.7 1/2” 1“ NPT NPT 95% 1/2” 1“ NPT NPTNPT 1/2” 140NPT 140 1481/2” 6467 H
148
67
MLX
MLX 175 166,250 175,000 48.7 gpm 1/2” 1“69 NPT NPT16315374 69 175MLX 175,000 175 51.6 175,000 166,250 51.6 48.7 4.351.6 48.7 gpm 166,250 4.3 95% gpm1/2” 95% NPT 4.3 1/2” 1“ NPT NPT 95% 1/2” 1“ NPT NPTNPT 1/2” 153NPT 153 1631/2” 6974 H
163
74
MLX
MLX 220 209,000 220,000 64.4 209,000 61.2 - NPT 1/2” NPT 220MLX 220,000 220 64.4 220,000 209,000 64.4 61.2 61.2 95% - 1/2” 95% NPT 1/2” 1“ NPT 95% 1“ NPT - NPT161- 1“73 161H
-
-
- 161 - 73
73--
NOTES: NOTES: NOTES: 1. For other1.boiler For other ratings: boiler ratings: 1. For other boiler ratings: Boiler Horsepower: Boiler Horsepower: HP = OutputHP Boiler =Radiation Output Horsepower: Surface: Radiation HP EDR = Output Surface: sq. ft. =EDR Radiation Output sq. ft.Surface: = Output EDR sq. ft. = Output 33,475 33,475 33,475 150 150 150
Cond.
ata, izing Data, Sizing Data, Outlet Piping iping 50 thru 125 50 thru3/4" 125
Hydronic Cond. Hydronic DHW Cond. DHW 2nd Hydronic Gas 2nd DHW Hydronic Gas 2nd Hydronic DHW GasDHW 2ndHydronic 2nd DHW Return Outlet Return Inlet Outlet Return Inlet Return Return Supply Inlet SupplyReturn Supply OutletSupply Supply OutletSupply SupplyOutlet
2nd Supply
3/4"thru 125 3/4" 1/2" 3/4"1/2" 3/4" 3/4" 3/4" 1/2" 1/2" 1/2" 3/4" 3/4" 3/4" 1/2" 1/2" 1/2" 3/4" 3/4" 3/4" 1/2" 50 copper PVC copper NPT PVC copper NPT copper copper NPT NPTNPT copperNPT NPTcopper NPT NPTcopperNPT
3/4" copper
PVC
3/4" 1" 1/2" 1" 150 - 220150 -3/4" 220 150 - 220 Size
3/4"1/2" 3/4" 1" 3/4" 1/2" 1/2" 1/2" 1" 3/4" 1/2" 1" 1/2" 1/2" 3/4" 1" 3/4" 1/2" 3/4" Boiler NPT PVC copper NPT NPT copper NPT NPT NPTcopperNPT copper BoilerNPTNPT copperNPT NPTcopper Volts Phase Amps Volts Phase Amps MLX 50 120 Single 1.5 H MLX 50 120 Single 1.5 MLX 75 120 Single 1.5 H MLX 75 120 Single 1.5 Wall Wall Wall FloorSingle Floor MLX 100 120 1.5Floor MLX H125 100 120 Single 1.5 MLX 120 Single 1.5 MLX H150 125 120 Single 1.5 MLX 120 Single 1.5 APPLIANCE APPLIANCE SUGGESTED APPLIANCE SUGGESTED SERVICE ACCESS SERVICE CLEARANCE SUGGESTED ACCESS CLEARANCE SERVICE APPLIANCE ACCESS APPLIANCE CLEARANCESUGGESTED APPLIANCE SERVICE ACCESS SERVICE SUGGESTED CLEARANCE ACCESS CLEARANCE SERVICE ACCESS CLEARANCE MLX H175 150 120 Single 1.5SUGGESTED arances MLX 2.2 SURFACE Clearances SURFACE SURFACE INCHES INCHES CM CM 120 INCHESSURFACE CM Single SURFACE SURFACE INCHES INCHES CM CM INCHES CM MLX H220 175 120 Single 2.2 MLX 120 Single 2.2 Left Side Left Side Left Side 6MLX H 220 15 6 15 1206 Left Side 15 Left Side Left 6 15 6 15 6 15 Single 2.2Side Right SideRight Side Right 6Side 15 6 15 6 Right Side 15 Right Side Right Side 6 15 6 15 6 15 * Minimum 15A circuit required Top Top Top 12 12 30circuit required 30 12 Top 30 Top Top 12 12 30 30 12 30 * Minimum 15A Closet, Front Closet, Front Closet, 6 Front 15 6 15 6 Closet,15Front Closet, Front Closet,6Front 15 6 15 6 15
Electrical Electrical Electrical Data DataData
Front
PVCSize PVC NPT
Front
Front24
24 61
61
Bottom 24
24 61
61
24 Front 61 Front
Front 24
24 61
61
24
61
24 Vent 61 Vent Vent 1 13 3 1 3 ed by CSA for zero clearance to Certifi ed by CSA for zero clearance to Certifi ed by CSA for zero clearance to Vent Vent Vent 1 13 3 1 3 Certifi INTAKE / EXHAUST INTAKE / EXHAUST Max Equivalent Vent and Air Pipe combustible Length (each) combustible materials on materials allcombustible sides. on all sides. materials on all sides. ed by CSA for zero clearance to Certifi ed by CSA for zero clearance to Certifi ed by CSA for zero clearance to Vent Certifi System Max Equivalent Vent and Air Pipe Length (each) Vent System STANDARD 2-PIPE STANDARD 2-PIPE OPTIONAL CONCENTRIC combustible combustible materials on materials all combustible sides. on all sides. materials on all sides. Vent System STANDARD 2-PIPE STANDARD 2-PIPE OPTIONAL CONCENTRIC Bottom
Bottom
SIZES SIZES
50 - 175 50 - 175 220 220
DIA. DIA.
2" 2" 2” 2”
FT. FT.
Sizing Data FLOOR STANDING Sizing ata FLOOR Data FLOOR STANDING STANDING Input
VentModel System Model Vent System BTU/h
m m
40 12.2 40 12.2 30 9.1 30 9.1
DIA. DIA.
*3"* *3"* *3”* *3”*
FT. FT.
150 150 120 120
m m
45.7 45.7 36.6 36.6
DIA. DIA.
3/5" 3/5" 3/5” 3/5”
FT. FT.
m m
40 12.2 40 12.2 40 12.2 40 12.2
* Must use 2x3 adapter within 1 ft. (30cm) of boiler. *Reference Must use 2x3 adapter within 1Operation ft. (30cm) of boiler. Input Output DHW DHW Shipping Shipping Input Output Output DHW AFUE DHW Gas AFUE Gas Water Water DHWGas Shipping DHWWater Shipping Shipping the Installation and Manual for more AFUE details. Reference the Installation and Operation for more Model @Sizedetails. Conn. Conn. Conn. Size Weight Weight Output @ Output @ Conn. Manual Size Output Conn. Conn. Size Conn. Conn. Size SizeSize Conn. Weight Size SizeWeight Weight BTU/h BTU/h kW 75°F Rise inches inches kW BTU/h BTU/h kW kW BTU/h75°FkW kW Rise 75°F Rise inches inches inches inches inches lbs inches kg lbs lbs inches kg kg lbs lbskg kg
Shipping Weight lbs kg
Dimensional Data
C
D
50, 75 MBH
Model
Dimension A Dimension 1" (3) A
100 50, 75MBH MBH
1" (3)
15-1/2" 15-3/4" (39) (40)
1-1/4" 3-3/4" (3) (9)
12-3/4" (33) 9-1/4" (24)
11" (28) 8" (20)
1-1/4" (4) (3) 1-1/2"
9-1/2" (14) (24) 5-3/4"
14-3/4" (39) (37) 15-1/2"
--
125 MBH 100, 125 MBH 100 MBH
1" (3)
15-1/2" (39)
1-1/4" (3)
12-3/4" (33)
11" (28)
1-1/4" (3)
9-1/2" (24)
14-3/4" (37)
2-3/4" -- (7)
12-3
150, 175MBH MBH 125
1-1/2" 1" (3)(4)
15-1/4" (39) (39) 15-1/2"
1-3/4" (3) (4) 1-1/4"
13" (33) (28) 12-3/4" (33) 11-1/4" 11" (28)
2-3/4" (7) 1-1/4" (3)
5-1/4" (24) (14) 9-1/2"
2" (5)(37) 14-3/4"
2-3/4" (7) (7) 2-3/4"
12-3 12-3
220 MBH 150, 175 MBH
1-1/2" 1-1/2" (4) (4)
15-1/4" 15-1/4" (39) (39)
1-3/4" 1-3/4" (4) (4)
13" 13" (33) (33)
11-1/4" 11-1/4" (28) (28)
2-3/4" 2-3/4" (7) (7)
5-1/4" (14) (14) 5-1/4"
2" (5) (5) 2"
-- (7) 2-3/4"
12-3
220 MBH
1-1/2" (4)
15-1/4" (39)
1-3/4" (4)
13" (33)
inches 11-1/4" (cm) (28)
2-3/4" (7)
5-1/4" (14)
2" (5)
--
Model
9-1/4"D (24)
9) 0)
1-1/4" 3-3/4" (3) (9)
9)
1-1/4" (3)
12-3/4" (33)
9) 9)
1-3/4" (3) (4) 1-1/4"
9) 9)
9)
1-3/4" (4)
13" (33) AIR INLET EXHAUST VENT
11-1/4" (28)
H
J*
15-3/4" (40)
B
3-3/4" (9)
C
9-1/4" (24)
D
8" (20)
E
1-1/2" (4)
F
5-3/4" (14)
G
15-1/2" (39)
H
J*
NB
OC
D
-50,Model 75 MBH L
15-1/4" 15-3/4" (40) NB (39)
4-5/8" 3-3/4" (9) OC(12)
9-1/4"D (24)
100 -50, 75MBH MBH
1" (3)(78) 30-1/2"
18" (46) (12) 15-1/2" (39) 1-1/4" (3) (39) 4-5/8" 15-1/4" 15-3/4" (40) 4-5/8" 3-3/4"(12) (9)
12-3/4" (33) 9-1/4" (24)
12-3/4" (33)100 2" 125 MBH -- 100, --(5) MBH 125 MBH
30-1/2" 1" (3)(78)
15-1/2" 18" (46) (39) 4-5/8" 1-1/4"(12) (3)
12-3/4" (33)
2-3/4" (7) (7) 2-3/4"
12-3/4" (33) 1-3/4" 150, 175 MBH 12-3/4" (33) 2" (5)(5) 125 MBH
35-1/2" (90) 1-1/2" (4) 30-1/2" 1" (3)(78)
18" (46) (46) 15-1/4" (39) 8-7/8" 1-3/4"(23) (4) 15-1/2" 18" (39) 4-5/8" 1-1/4" (12) (3)
13" (33) 12-3/4" (33) 11
2" (5) (5) 2"
-- (7) 2-3/4"
-- (5) 220 MBH 12-3/4"-- (33) 1-3/4" 150, 175 MBH
38-1/2" 1-1/2" (4) 35-1/2" 1-1/2" (90) (90) (4)
18" 15-1/4" (39) 1-3/4" (4) 15-1/4" 18" (46) (46) (39) 8-7/8" 8-7/8" 1-3/4"(23) (23) (4)
13" 13" (33) (33)
11 11
2" (5)
--
38-1/2" 1-1/2" inches (90) (4) 15-1/4" 18" (46) (39) 8-7/8" 1-3/4"(23) (4) (cm)
13" (33)
11
J*
--
-K
9-1/2" 1(14) (24) 5-3/4" 3 " 4
14-3/4" (39) (37) 15-1/2"
--
--
8 9-1/2" (24)
14-3/4" (37)
2-3/4" -- (7)
2-3/4" (7) 1-1/4" (3)
5-1/4" (24) (14) 9-1/2"
2" (5)(37) 14-3/4"
2-3/4" 2-3/4" (7) (7)
5-1/4" (14) (14) 5-1/4" 1
2-3/4" (7)
GAS
" 4 5-1/4" (14) 8 3
N
--
Dimension M A Dimension 30-1/2" 1" M A(3)(78)
15-1/2" H (39)
1-1/4" (3)
13" (33) (28) AIR 12-3/4" (33) 11-1/4" 11" (28) ELIMINATION 1-3/4" 13" 11-1/4" 1-3/4" (4) (4) VENT 13" (33) (33) 11-1/4" (28) (28)
G
5-3/4"G (14)
" 4 1-1/4" (4) (3) 20 1-1/2" 7
11" (28)
F
K
1-1/2" 3 F (4)
HYDRONIC 12-3/4" (33) 11" (28) OUTLET 9-1/4" (24) 8" (20)
E
J*
E
3-3/4" C (9)
D
H
F
0)
C
G
E
17" 8" (20) 43
B
--
Model L
220 MBH--
HYDRONIC INLET TOP
23 " 4 7
M
O
FRONT
CONDENSATE TRAP HYDRONIC INLET
F C
GAS HYDRONIC OUTLET E G A
BOTTOM
H B
D
SIDE
83 " 4 22
Wall Clearances Clearances
Floor
APPLIANCE SURFACE
SUGGESTED SERVICE ACCESS CLEARANCE INCHES CM
6
Left Side
APPLIANCE SURFACE
SUGGESTED SERVICE ACCESS CLEARANC INCHES CM
Left Side
15
6
15
Right Side
6
15
Right Side
6
15
Top
12
30
Top
12
30
Closet, Front
6
15
Closet, Front
6
15
Front
24
61
Front
24
61
Bottom
24
61
Vent
1 3 Certifi ed by CSA for zero clearance to combustible materials on all sides.
Vent
1 3 Certifi ed by CSA for zero clearance to combustible materials on all sides.
Sizing Data FLOOR STANDING Input
Model
MLX
50
Output
BTU/h
kW
BTU/h
kW
50,000
14.6
47,500
13.2
DHW AFUE Gas Water DHW Output @ Conn. Size Conn. Size Conn. Size 75°F Rise inches inches inches
-
95%
1/2” NPT
3/4” NPT
-
Shipping Weight lbs kg
144
Shippin Weigh lbs
65
-
MLX
75
75,000
21.9
71,250
20.8
-
95%
1/2” NPT
3/4” NPT
-
151
68
-
MLX
100
100,000 29.3
95,000
27.8
-
95%
1/2” NPT
3/4” NPT
-
166
75
-
MLX
125
125,000 36.6
118,750
34.8
3.1 gpm
95%
1/2” NPT
3/4” NPT 1/2” NPT
178
81
188
8
MLX
150
150,000 43.9
142,500
41.8
3.7 gpm
95%
1/2” NPT
184
83
194
8
9
1“ NPT
1/2” NPT
MLX
175
175,000 51.6
166,250
48.7
4.3 gpm
95%
1/2” NPT
1“ NPT
1/2” NPT
192
87
202
MLX
220
220,000 64.4
209,000
61.2
-
95%
1/2” NPT
1“ NPT
-
201
91
-
NOTES: 1. For other boiler ratings: Boiler Horsepower: HP = Output 33,475
Radiation Surface: EDR sq. ft. = Output 150
Laars Heating Systems Company reserves the right to change specifications, components, features, or to discontinue products without notice.
Customer Service and Product Support: 800.900.9276 • Fax 800.559.1583 Headquarters: 20 Industrial Way, Rochester, NH 03867 • 603.335.6300 • Fax 603.335.3355 1869 Sismet Road, Mississauga, Ontario, Canada L4W 1W8 • 905.238.0100 • Fax 905.366.0130
www.Laars.com
Litho in U.S.A. © Laars Heating Systems 1508
Document 1299C
MASCOT LX ®
MLXH Hydronic Boiler
Standard Equipment
• High condensing efficiency • Modulation down to 20% of full fire (5:1 turndown) • Sealed combustion chamber • Pre-mix stainless steel burner • Low NOx system exceeds the most stringent regulations for air quality – 10ppm NOx • Horizontal or vertical direct vent • Vent and air pipe lengths of up to 150 equivalent feet (each) • Horizontal vent and air terminals • Stainless steel heat exchanger with welded construction • ASME 30 psi (207kPa) working pressure heat exchanger • ASME "H" stamp • 30 psi (207kPa) ASME pressure relief valve • Auto cascade setup
Boiler Data
Number of Units:
Date:
Indoor, Sizes 50, 75, 100, 125, 150, 175, 220
Project #:
Submittal Data
Engineer:
Project Name:
Prepared By:
Location:
Bid Date:
Contractor:
• Boiler pump wired and mounted inside jacket • Built-in condensate trap and drain, priming not required • Automatic air vent • Temperature and pressure gauge • Boiler water pressure switch • Blocked vent pressure switch
• Large user-interface and display • Alarm output • Accepts external (4-20mA or 0-10VDC) modulation signal • Outdoor reset (sensor included) • Outdoor air reset curve • Vent temp auto turn-down before lockout
• Blocked condensate pressure switch
• Manual reset high limit
• Burner site glass
• Wall mount bracket
• Electronic PID modulating control • Direct spark ignition
• Lighted on/off toggle switch • Field convertible between natural gas and propane
• Multiple pump control for boiler pump and system pump, each with delay
• Zero clearance to combustible surfaces
• Domestic Hot Water Pump Output
• 2-Year parts warranty
• 15-Year limited warranty
• Customizable Freeze Protection • Anti-short cycling
Fuel Natural Propane
Options Low Water Cut-off
Accessories for Field Mounting
Concentric flush-mount 2" terminal Concentric flush-mount 3" terminal BACnet gateway LON gateway
Concentric elbow, 90° Wall plate for concentric pipe Horizontal concentric sstl terminal Horizontal concentric 2" PVC terminal Horizontal concentric 3" PVC terminal
Horizontal concentric vent kit Concentric vent adapter Concentric pipe, 12" long Concentric pipe, 24" long Concentric pipe, 36" long Concentric pipe, 13"-18" telescoping
Sizing Data WALL Sizing ata WALL Data WALL Input
Sizing Model Data Model BTU/h
Boiler Boiler Boiler Combi Combi Input Output DHW DHW Shipping Shipping Input Output Output DHW AFUE DHW Gas AFUE Gas Water AFUEWater DHWGas Shipping DHWWater Shipping Shipping Model @Size Conn. Conn. Conn. Conn. Size Weight Weight Output @ Output @ Conn. Size Output Conn. Conn.Size Conn. Size SizeSize Conn. Weight Size SizeWeight Weight BTU/h BTU/h kW 75°F Rise inches inches kW BTU/h BTU/h kW kW BTU/h75°FkW kW Rise 75°F Rise inches inches inches inches inches lbs inches kg lbs lbs inches kg kg lbs lbskg kg
Combi Shipping Weight lbs kg
MLX
50 MLX 50,000 50
MLX47,500 50 14.6 50,000 14.6 H
50,000 13.2 47,500 14.6 13.2 -
47,500 13.2 - NPT 1/2” 95% - 1/2” 95% NPT 1/2” 3/4” NPT95% 3/4” NPT - NPT88- 3/4” 40NPT 88-
40--
- 88 - 40
-
-
MLX
75 MLX 75,000 75
MLX71,250 75 21.9 75,000 21.9 H
75,000 20.8 71,250 21.9 20.8 -
71,250 20.8 - NPT 1/2” 95% - 1/2” 95% NPT 1/2” 3/4” NPT95% 3/4” NPT - NPT97- 3/4” 44NPT 97-
44--
- 97 - 44
-
-
MLX
MLX95,000 100 100,000 100MLX 100,000 100 29.3 100,000 29.3 27.8 95,000 29.3 27.8 H
95,000 27.8 - NPT 1/2” 95% - 1/2” 95% NPT 1/2” 3/4” NPT95% 3/4” NPT - NPT112- 3/4” 51NPT 112-
51--
- 112 - 51
-
-
MLX
MLX 125 125,000 34.8 gpm 1/2” 3/4” NPT13312660 57 125MLX 125,000 125 36.6 125,000 118,750 36.6 118,750 34.8 3.136.6 34.8 gpm 118,750 3.1 95% gpm1/2” 95% NPT 3.1 1/2” 3/4” NPT NPT95% 3/4” 1/2”NPT NPTNPT 1/2” 126NPT 57NPT 126 1331/2” 5760 H
133
60
MLX
MLX 150 142,500 150,000 41.8 gpm 1/2” 1“64 NPT NPT14814067 64 150MLX 150,000 150 43.9 150,000 142,500 43.9 41.8 3.743.9 41.8 gpm 142,500 3.7 95% gpm1/2” 95% NPT 3.7 1/2” 1“ NPT NPT 95% 1/2” 1“ NPT NPTNPT 1/2” 140NPT 140 1481/2” 6467 H
148
67
MLX
MLX 175 166,250 175,000 48.7 gpm 1/2” 1“69 NPT NPT16315374 69 175MLX 175,000 175 51.6 175,000 166,250 51.6 48.7 4.351.6 48.7 gpm 166,250 4.3 95% gpm1/2” 95% NPT 4.3 1/2” 1“ NPT NPT 95% 1/2” 1“ NPT NPTNPT 1/2” 153NPT 153 1631/2” 6974 H
163
74
MLX
MLX 220 209,000 220,000 64.4 209,000 61.2 - NPT 1/2” NPT 220MLX 220,000 220 64.4 220,000 209,000 64.4 61.2 61.2 95% - 1/2” 95% NPT 1/2” 1“ NPT 95% 1“ NPT - NPT161- 1“73 161H
-
-
- 161 - 73
73--
NOTES: NOTES: NOTES: 1. For other1.boiler For other ratings: boiler ratings: 1. For other boiler ratings: Boiler Horsepower: Boiler Horsepower: HP = OutputHP Boiler =Radiation Output Horsepower: Surface: Radiation HP EDR = Output Surface: sq. ft. =EDR Radiation Output sq. ft.Surface: = Output EDR sq. ft. = Output 33,475 33,475 33,475 150 150 150
Cond.
ata, izing Data, Sizing Data, Outlet Piping iping 50 thru 125 50 thru3/4" 125
Hydronic Cond. Hydronic DHW Cond. DHW 2nd Hydronic Gas 2nd DHW Hydronic Gas 2nd Hydronic DHW GasDHW 2ndHydronic 2nd DHW Return Outlet Return Inlet Outlet Return Inlet Return Return Supply Inlet SupplyReturn Supply OutletSupply Supply OutletSupply SupplyOutlet
2nd Supply
3/4"thru 125 3/4" 1/2" 3/4"1/2" 3/4" 3/4" 3/4" 1/2" 1/2" 1/2" 3/4" 3/4" 3/4" 1/2" 1/2" 1/2" 3/4" 3/4" 3/4" 1/2" 50 copper PVC copper NPT PVC copper NPT copper copper NPT NPTNPT copperNPT NPTcopper NPT NPTcopperNPT
3/4" copper
PVC
3/4" 1" 1/2" 1" 150 - 220150 -3/4" 220 150 - 220 Size
3/4"1/2" 3/4" 1" 3/4" 1/2" 1/2" 1/2" 1" 3/4" 1/2" 1" 1/2" 1/2" 3/4" 1" 3/4" 1/2" 3/4" Boiler NPT PVC copper NPT NPT copper NPT NPT NPTcopperNPT copper BoilerNPTNPT copperNPT NPTcopper Volts Phase Amps Volts Phase Amps MLX 50 120 Single 1.5 H MLX 50 120 Single 1.5 MLX 75 120 Single 1.5 H MLX 75 120 Single 1.5 Wall Wall Wall FloorSingle Floor MLX 100 120 1.5Floor MLX H125 100 120 Single 1.5 MLX 120 Single 1.5 MLX H150 125 120 Single 1.5 MLX 120 Single 1.5 APPLIANCE APPLIANCE SUGGESTED APPLIANCE SUGGESTED SERVICE ACCESS SERVICE CLEARANCE SUGGESTED ACCESS CLEARANCE SERVICE APPLIANCE ACCESS APPLIANCE CLEARANCESUGGESTED APPLIANCE SERVICE ACCESS SERVICE SUGGESTED CLEARANCE ACCESS CLEARANCE SERVICE ACCESS CLEARANCE MLX H175 150 120 Single 1.5SUGGESTED arances MLX 2.2 SURFACE Clearances SURFACE SURFACE INCHES INCHES CM CM 120 INCHESSURFACE CM Single SURFACE SURFACE INCHES INCHES CM CM INCHES CM MLX H220 175 120 Single 2.2 MLX 120 Single 2.2 Left Side Left Side Left Side 6MLX H 220 15 6 15 1206 Left Side 15 Left Side Left 6 15 6 15 6 15 Single 2.2Side Right SideRight Side Right 6Side 15 6 15 6 Right Side 15 Right Side Right Side 6 15 6 15 6 15 * Minimum 15A circuit required Top Top Top 12 12 30circuit required 30 12 Top 30 Top Top 12 12 30 30 12 30 * Minimum 15A Closet, Front Closet, Front Closet, 6 Front 15 6 15 6 Closet,15Front Closet, Front Closet,6Front 15 6 15 6 15
Electrical Electrical Electrical Data DataData
Front
PVCSize PVC NPT
Front
Front24
24 61
61
Bottom 24
24 61
61
24 Front 61 Front
Front 24
24 61
61
24
61
24 Vent 61 Vent Vent 1 13 3 1 3 ed by CSA for zero clearance to Certifi ed by CSA for zero clearance to Certifi ed by CSA for zero clearance to Vent Vent Vent 1 13 3 1 3 Certifi INTAKE / EXHAUST INTAKE / EXHAUST Max Equivalent Vent and Air Pipe combustible Length (each) combustible materials on materials allcombustible sides. on all sides. materials on all sides. ed by CSA for zero clearance to Certifi ed by CSA for zero clearance to Certifi ed by CSA for zero clearance to Vent Certifi System Max Equivalent Vent and Air Pipe Length (each) Vent System STANDARD 2-PIPE STANDARD 2-PIPE OPTIONAL CONCENTRIC combustible combustible materials on materials all combustible sides. on all sides. materials on all sides. Vent System STANDARD 2-PIPE STANDARD 2-PIPE OPTIONAL CONCENTRIC Bottom
Bottom
SIZES SIZES
50 - 175 50 - 175 220 220
DIA. DIA.
2" 2" 2” 2”
FT. FT.
Sizing Data FLOOR STANDING Sizing ata FLOOR Data FLOOR STANDING STANDING Input
VentModel System Model Vent System BTU/h
m m
40 12.2 40 12.2 30 9.1 30 9.1
DIA. DIA.
*3"* *3"* *3”* *3”*
FT. FT.
150 150 120 120
m m
45.7 45.7 36.6 36.6
DIA. DIA.
3/5" 3/5" 3/5” 3/5”
FT. FT.
m m
40 12.2 40 12.2 40 12.2 40 12.2
* Must use 2x3 adapter within 1 ft. (30cm) of boiler. *Reference Must use 2x3 adapter within 1Operation ft. (30cm) of boiler. Input Output DHW DHW Shipping Shipping Input Output Output DHW AFUE DHW Gas AFUE Gas Water Water DHWGas Shipping DHWWater Shipping Shipping the Installation and Manual for more AFUE details. Reference the Installation and Operation for more Model @Sizedetails. Conn. Conn. Conn. Size Weight Weight Output @ Output @ Conn. Manual Size Output Conn. Conn. Size Conn. Conn. Size SizeSize Conn. Weight Size SizeWeight Weight BTU/h BTU/h kW 75°F Rise inches inches kW BTU/h BTU/h kW kW BTU/h75°FkW kW Rise 75°F Rise inches inches inches inches inches lbs inches kg lbs lbs inches kg kg lbs lbskg kg
Shipping Weight lbs kg
Dimensional Data
C
D
50, 75 MBH
Model
Dimension A Dimension 1" (3) A
100 50, 75MBH MBH
1" (3)
15-1/2" 15-3/4" (39) (40)
1-1/4" 3-3/4" (3) (9)
12-3/4" (33) 9-1/4" (24)
11" (28) 8" (20)
1-1/4" (4) (3) 1-1/2"
9-1/2" (14) (24) 5-3/4"
14-3/4" (39) (37) 15-1/2"
--
125 MBH 100, 125 MBH 100 MBH
1" (3)
15-1/2" (39)
1-1/4" (3)
12-3/4" (33)
11" (28)
1-1/4" (3)
9-1/2" (24)
14-3/4" (37)
2-3/4" -- (7)
12-3
150, 175MBH MBH 125
1-1/2" 1" (3)(4)
15-1/4" (39) (39) 15-1/2"
1-3/4" (3) (4) 1-1/4"
13" (33) (28) 12-3/4" (33) 11-1/4" 11" (28)
2-3/4" (7) 1-1/4" (3)
5-1/4" (24) (14) 9-1/2"
2" (5)(37) 14-3/4"
2-3/4" (7) (7) 2-3/4"
12-3 12-3
220 MBH 150, 175 MBH
1-1/2" 1-1/2" (4) (4)
15-1/4" 15-1/4" (39) (39)
1-3/4" 1-3/4" (4) (4)
13" 13" (33) (33)
11-1/4" 11-1/4" (28) (28)
2-3/4" 2-3/4" (7) (7)
5-1/4" (14) (14) 5-1/4"
2" (5) (5) 2"
-- (7) 2-3/4"
12-3
220 MBH
1-1/2" (4)
15-1/4" (39)
1-3/4" (4)
13" (33)
inches 11-1/4" (cm) (28)
2-3/4" (7)
5-1/4" (14)
2" (5)
--
Model
9-1/4"D (24)
9) 0)
1-1/4" 3-3/4" (3) (9)
9)
1-1/4" (3)
12-3/4" (33)
9) 9)
1-3/4" (3) (4) 1-1/4"
9) 9)
9)
1-3/4" (4)
13" (33) AIR INLET EXHAUST VENT
11-1/4" (28)
H
J*
15-3/4" (40)
B
3-3/4" (9)
C
9-1/4" (24)
D
8" (20)
E
1-1/2" (4)
F
5-3/4" (14)
G
15-1/2" (39)
H
J*
NB
OC
D
-50,Model 75 MBH L
15-1/4" 15-3/4" (40) NB (39)
4-5/8" 3-3/4" (9) OC(12)
9-1/4"D (24)
100 -50, 75MBH MBH
1" (3)(78) 30-1/2"
18" (46) (12) 15-1/2" (39) 1-1/4" (3) (39) 4-5/8" 15-1/4" 15-3/4" (40) 4-5/8" 3-3/4"(12) (9)
12-3/4" (33) 9-1/4" (24)
12-3/4" (33)100 2" 125 MBH -- 100, --(5) MBH 125 MBH
30-1/2" 1" (3)(78)
15-1/2" 18" (46) (39) 4-5/8" 1-1/4"(12) (3)
12-3/4" (33)
2-3/4" (7) (7) 2-3/4"
12-3/4" (33) 1-3/4" 150, 175 MBH 12-3/4" (33) 2" (5)(5) 125 MBH
35-1/2" (90) 1-1/2" (4) 30-1/2" 1" (3)(78)
18" (46) (46) 15-1/4" (39) 8-7/8" 1-3/4"(23) (4) 15-1/2" 18" (39) 4-5/8" 1-1/4" (12) (3)
13" (33) 12-3/4" (33) 11
2" (5) (5) 2"
-- (7) 2-3/4"
-- (5) 220 MBH 12-3/4"-- (33) 1-3/4" 150, 175 MBH
38-1/2" 1-1/2" (4) 35-1/2" 1-1/2" (90) (90) (4)
18" 15-1/4" (39) 1-3/4" (4) 15-1/4" 18" (46) (46) (39) 8-7/8" 8-7/8" 1-3/4"(23) (23) (4)
13" 13" (33) (33)
11 11
2" (5)
--
38-1/2" 1-1/2" inches (90) (4) 15-1/4" 18" (46) (39) 8-7/8" 1-3/4"(23) (4) (cm)
13" (33)
11
J*
--
-K
9-1/2" 1(14) (24) 5-3/4" 3 " 4
14-3/4" (39) (37) 15-1/2"
--
--
8 9-1/2" (24)
14-3/4" (37)
2-3/4" -- (7)
2-3/4" (7) 1-1/4" (3)
5-1/4" (24) (14) 9-1/2"
2" (5)(37) 14-3/4"
2-3/4" 2-3/4" (7) (7)
5-1/4" (14) (14) 5-1/4" 1
2-3/4" (7)
GAS
" 4 5-1/4" (14) 8 3
N
--
Dimension M A Dimension 30-1/2" 1" M A(3)(78)
15-1/2" H (39)
1-1/4" (3)
13" (33) (28) AIR 12-3/4" (33) 11-1/4" 11" (28) ELIMINATION 1-3/4" 13" 11-1/4" 1-3/4" (4) (4) VENT 13" (33) (33) 11-1/4" (28) (28)
G
5-3/4"G (14)
" 4 1-1/4" (4) (3) 20 1-1/2" 7
11" (28)
F
K
1-1/2" 3 F (4)
HYDRONIC 12-3/4" (33) 11" (28) OUTLET 9-1/4" (24) 8" (20)
E
J*
E
3-3/4" C (9)
D
H
F
0)
C
G
E
17" 8" (20) 43
B
--
Model L
220 MBH--
HYDRONIC INLET TOP
23 " 4 7
M
O
FRONT
CONDENSATE TRAP HYDRONIC INLET
F C
GAS HYDRONIC OUTLET E G A
BOTTOM
H B
D
SIDE
83 " 4 22
Wall Clearances Clearances
Floor
APPLIANCE SURFACE
SUGGESTED SERVICE ACCESS CLEARANCE INCHES CM
6
Left Side
APPLIANCE SURFACE
SUGGESTED SERVICE ACCESS CLEARANC INCHES CM
Left Side
15
6
15
Right Side
6
15
Right Side
6
15
Top
12
30
Top
12
30
Closet, Front
6
15
Closet, Front
6
15
Front
24
61
Front
24
61
Bottom
24
61
Vent
1 3 Certifi ed by CSA for zero clearance to combustible materials on all sides.
Vent
1 3 Certifi ed by CSA for zero clearance to combustible materials on all sides.
Sizing Data FLOOR STANDING Input
Model
MLX
50
Output
BTU/h
kW
BTU/h
kW
50,000
14.6
47,500
13.2
DHW AFUE Gas Water DHW Output @ Conn. Size Conn. Size Conn. Size 75°F Rise inches inches inches
-
95%
1/2” NPT
3/4” NPT
-
Shipping Weight lbs kg
144
Shippin Weigh lbs
65
-
MLX
75
75,000
21.9
71,250
20.8
-
95%
1/2” NPT
3/4” NPT
-
151
68
-
MLX
100
100,000 29.3
95,000
27.8
-
95%
1/2” NPT
3/4” NPT
-
166
75
-
MLX
125
125,000 36.6
118,750
34.8
3.1 gpm
95%
1/2” NPT
3/4” NPT 1/2” NPT
178
81
188
8
MLX
150
150,000 43.9
142,500
41.8
3.7 gpm
95%
1/2” NPT
184
83
194
8
9
1“ NPT
1/2” NPT
MLX
175
175,000 51.6
166,250
48.7
4.3 gpm
95%
1/2” NPT
1“ NPT
1/2” NPT
192
87
202
MLX
220
220,000 64.4
209,000
61.2
-
95%
1/2” NPT
1“ NPT
-
201
91
-
NOTES: 1. For other boiler ratings: Boiler Horsepower: HP = Output 33,475
Radiation Surface: EDR sq. ft. = Output 150
Laars Heating Systems Company reserves the right to change specifications, components, features, or to discontinue products without notice.
Customer Service and Product Support: 800.900.9276 • Fax 800.559.1583 Headquarters: 20 Industrial Way, Rochester, NH 03867 • 603.335.6300 • Fax 603.335.3355 1869 Sismet Road, Mississauga, Ontario, Canada L4W 1W8 • 905.238.0100 • Fax 905.366.0130
www.Laars.com
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Document 1299C
