Installation, Operation and Maintenance Instructions User guide
LAARS Heating Systems
Page 6
E
F
U
B
A
VIEW
REAR
N
Q
S
P
M
R
L
G
H
K
J
T
FRONT
VIEW
SIDE
VIEW
C
D
Condensate Trap
Contact
Factory
Oponal
Flanges,
Vent
Gas
6”x3.5”
Touchscreen
Display
Air Inlet
Pressure
Relief
Valve
Water
Outlet
‘Knock-
down’
Height
Water
Inlet
H
J
Gas
Air Inlet
Model 4000
The Model 4000 varies from other sizes in the locaon of it’s Air Inlet and Gas Supply.
G
K
VIEWREAR
Model
A B C D E F G H
J K L M N P Q R S T U
Vent Ø
Air Inlet Ø
Inches (cm ) Inches (cm ) Inches (cm )
2000
29.3 (75 ) 79 (201 ) 38 (96 ) 57.5 (147 ) 49.8 (126 ) 4.8 (12) 60.8 (154 ) 2.6 (7 ) 8.4 (21 ) 67.4 (171 ) 4 (10 ) 39.2 (100 ) 30.4 (77 ) 16 (41 ) 23 (58 ) 10.2 (26 ) 14 (36 ) 13 (33 ) 6.3 (16 ) 8 (20 ) 8 (20 ) 60.8 (154 )
2500 30.8 (78)
87 (221 ) 41.5 (105 ) 60.5 (154 ) 60.8 (154 ) 6.5 (16 ) 71 (180 ) 4 (10)
9.8 (25 ) 76.4 (194 ) 4.3 (11 ) 44.4 (113 ) 34.5 (88) 17.7 (45 ) 27.2 (69 ) 11.8 (30 ) 18.3 (46 ) 14.8 (38 ) 6 (15) 8 (20 ) 8 (20 ) 71.0 (180 )
3000 30.8 (78)
87 (221 ) 41.5 (105 ) 60.5 (154 ) 60.8 (154 ) 6.5 (16 ) 71 (180 ) 4 (10)
8.9 (23 ) 76.8 (195 ) 4.3 (11 ) 44.4 (113 ) 34.5 (88) 17.7 (45 ) 27.2 (69 ) 11.8 (30 ) 18.3 (46 ) 14.8 (38 ) 6 (15) 10 (25 ) 10 (25 ) 71.0 (180 )
3500
34.5 (88 ) 97 (246 ) 52 (133 ) 70 (178 ) 60.8 (154 ) 6.4 (16 ) 80.8 (205 ) 28.8 (73)
26.5 (67) 85.6 (217 ) 6.5 (16 ) 51.3 (130 ) 40 (102 ) 21.6 (55 ) 30.7 (78 ) 13 (33 ) 16 (41 ) 17.4 (44 ) 6.7 (17)
10 (25) 10 (25)
80.8 (205)
4000
34.5 (88 ) 97 (246 ) 52 (133 ) 70 (178 ) 60.8 (154 ) 6.4 (16 ) 80.8 (205 ) 28.8 (73) 26.5 (67) 85.6 (217 ) 6.5 (16 ) 51.3 (130 ) 40 (102 ) 21.6 (55 ) 30.7 (78 ) 13 (33 ) 16 (41 ) 17.4 (44 ) 6.7 (17) 12 (30 ) 12 (30) 80.8 (205)
Model
A B C D E F G H J K L M N P Q R S T U
Vent Ø
Air Inlet Ø
Inches (cm ) Inches (cm ) Inches (cm )
2000
29.3 (75 ) 79 (201 ) 38 (96 ) 57.5 (147 ) 49.8 (126 ) 4.8 (12 ) 60.8 (154 ) 2.6 (7) 8.4 (21 ) 67.4 (171 ) 4 (10 ) 39.2 (100 ) 30.4 (77 ) 16 (41 ) 23 (58 ) 10.2 (26 ) 14 (36 ) 13 (33 ) 6.3 (16) 8 (20) 8 (20 ) 60.8 (154 )
2500
30.8 (78)
87 (221 ) 41.5 (105 ) 60.5 (154 ) 60.8 (154 ) 6.5 (16 ) 71 (180 ) 4 (10) 9.8 (25 ) 76.4 (194 ) 4.3 (11 ) 44.4 (113 ) 34.5 (88 ) 17.7 (45 ) 27.2 (69 ) 11.8 (30 ) 18.3 (46 ) 14.8 (38 ) 6 (15) 8 (20) 8 (20 ) 71.0 (180)
3000
30.8 (78)
87 (221 ) 41.5 (105 ) 60.5 (154 ) 60.8 (154 ) 6.5 (16 ) 71 (180 ) 4 (10) 8.9 (23 ) 76.8 (195 ) 4.3 (11 ) 44.4 (113 ) 34.5 (88 ) 17.7 (45 ) 27.2 (69 ) 11.8 (30 ) 18.3 (46 ) 14.8 (38 ) 6 (15) 10 (25 ) 10 (25 ) 71.0 (180 )
3500
34.5 (88 ) 97 (246 ) 52 (133 ) 70 (178 ) 60.8 (154 ) 6.4 (16 ) 80.8 (205 ) 28.8 (73) 26.5 (67) 85.6 (217 ) 6.5 (16 ) 51.3 (130 ) 40 (102 ) 21.6 (55 ) 30.7 (78 ) 13 (33 ) 16 (41 ) 17.4 (44 ) 6.7 (17)
10 (25) 10 (25)
80.8 (205)
4000
34.5 (88 ) 97 (246 ) 52 (133 ) 70 (178 ) 60.8 (154 ) 6.4 (16 ) 80.8 (205 ) 28.8 (73) 26.5 (67) 85.6 (217 ) 6.5 (16 ) 51.3 (130 ) 40 (102 ) 21.6 (55 ) 30.7 (78 ) 13 (33 ) 16 (41 ) 17.4 (44 ) 6.7 (17) 12 (30 ) 12 (30) 80.8 (205)
Model
A B C D E F G H
J K L M N P Q R
S T U
Vent Ø
Air Inlet Ø
Inches (cm ) Inches (cm ) Inches (cm )
2000
29.3 (75 ) 79 (201 ) 38 (96 ) 57.5 (147 ) 49.8 (126 ) 4.8 (12 ) 60.8 (154 ) 2.6 (7) 8.4 (21 ) 67.4 (171 ) 4 (10 ) 39.2 (100 ) 30.4 (77 ) 16 (41 ) 23 (58 ) 10.2 (26 ) 14 (36 ) 13 (33 ) 6.3 (16) 8 (20) 8 (20 ) 60.8 (154 )
2500 30.8 (78)
87 (221 ) 41.5 (105 ) 60.5 (154 ) 60.8 (154 ) 6.5 (16 ) 71 (180 ) 4 (10)
9.8 (25 ) 76.4 (194 ) 4.3 (11 ) 44.4 (113 ) 34.5 (88 ) 17.7 (45 ) 27.2 (69 ) 11.8 (30 )
18.3 (46 ) 14.8 (38 ) 6 (15) 8 (20 ) 8 (20 ) 71.0 (180 )
3000 30.8 (78)
87 (221 ) 41.5 (105 ) 60.5 (154 ) 60.8 (154 ) 6.5 (16 ) 71 (180 ) 4 (10)
8.9 (23 ) 76.8 (195 ) 4.3 (11 ) 44.4 (113 ) 34.5 (88 ) 17.7 (45 ) 27.2 (69 ) 11.8 (30 )
18.3 (46 ) 14.8 (38 ) 6 (15) 10 (25 ) 10 (25 ) 71.0 (180 )
3500
34.5 (88 ) 97 (246 ) 52 (133 ) 70 (178 ) 60.8 (154 ) 6.4 (16 ) 80.8 (205 ) 28.8 (73) 26.5 (67) 85.6 (217 ) 6.5 (16 ) 51.3 (130 ) 40 (102 ) 21.6 (55 ) 30.7 (78 ) 13 (33 ) 16 (41 ) 17.4 (44 ) 6.7 (17)
10 (25) 10 (25)
80.8 (205)
4000
34.5 (88 ) 97 (246 ) 52 (133 ) 70 (178 ) 60.8 (154 ) 6.4 (16 ) 80.8 (205 ) 28.8 (73) 26.5 (67) 85.6 (217 ) 6.5 (16 ) 51.3 (130 ) 40 (102 ) 21.6 (55 ) 30.7 (78 ) 13 (33 ) 16 (41 ) 17.4 (44 ) 6.7 (17) 12 (30 ) 12 (30) 80.8 (205)
Model
A B C D E F G H J K L M N P Q R S T U
Vent Ø
Air Inlet Ø
Inches (cm ) Inches (cm ) Inches (cm )
2000
29.3 (75 ) 79 (201 ) 38 (96 ) 57.5 (147 ) 49.8 (126 ) 4.8 (12 ) 60.8 (154 ) 2.6 (7) 8.4 (21 ) 67.4 (171 ) 4 (10 ) 39.2 (100 ) 30.4 (77 ) 16 (41 ) 23 (58 ) 10.2 (26 ) 14 (36 ) 13 (33 ) 6.3 (16) 8 (20) 8 (20 ) 60.8 (154 )
2500
30.8 (78)
87 (221 ) 41.5 (105 ) 60.5 (154 ) 60.8 (154 ) 6.5 (16 ) 71 (180 ) 4 (10) 9.8 (25 ) 76.4 (194 ) 4.3 (11 ) 44.4 (113 ) 34.5 (88 ) 17.7 (45 ) 27.2 (69 ) 11.8 (30 ) 18.3 (46 ) 14.8 (38 ) 6 (15) 8 (20) 8 (20 ) 71.0 (180)
3000
30.8 (78)
87 (221 ) 41.5 (105 ) 60.5 (154 ) 60.8 (154 ) 6.5 (16 ) 71 (180 ) 4 (10) 8.9 (23 ) 76.8 (195 ) 4.3 (11 ) 44.4 (113 ) 34.5 (88 ) 17.7 (45 ) 27.2 (69 ) 11.8 (30 ) 18.3 (46 ) 14.8 (38 ) 6 (15) 10 (25 ) 10 (25 ) 71.0 (180 )
3500
34.5 (88 ) 97 (246 ) 52 (133 ) 70 (178 ) 60.8 (154 ) 6.4 (16 ) 80.8 (205 ) 28.8 (73) 26.5 (67) 85.6 (217 ) 6.5 (16 ) 51.3 (130 ) 40 (102 ) 21.6 (55 ) 30.7 (78 ) 13 (33 ) 16 (41 ) 17.4 (44 ) 6.7 (17)
10 (25) 10 (25)
80.8 (205)
4000
34.5 (88 ) 97 (246 ) 52 (133 ) 70 (178 ) 60.8 (154 ) 6.4 (16 ) 80.8 (205 ) 28.8 (73) 26.5 (67) 85.6 (217 ) 6.5 (16 ) 51.3 (130 ) 40 (102 ) 21.6 (55 ) 30.7 (78 ) 13 (33 ) 16 (41 ) 17.4 (44 ) 6.7 (17) 12 (30 ) 12 (30) 80.8 (205)
Model
A B C D E F G H J K L M N P Q R S T U
Vent Ø
Air Inlet Ø
Inches (cm ) Inches (cm ) Inches (cm )
2000
29.3 (75 ) 79 (201 ) 38 (96 ) 57.5 (147 ) 49.8 (126 ) 4.8 (12 ) 60.8 (154 ) 2.6 (7) 8.4 (21 ) 67.4 (171 ) 4 (10 ) 39.2 (100 ) 30.4 (77 ) 16 (41 ) 23 (58 ) 10.2 (26 ) 14 (36 ) 13 (33 ) 6.3 (16) 8 (20) 8 (20 ) 60.8 (154 )
2500 30.8 (78)
87 (221 ) 41.5 (105 ) 60.5 (154 ) 60.8 (154 ) 6.5 (16 ) 71 (180 ) 4 (10) 9.8 (25 ) 76.4 (194 ) 4.3 (11 ) 44.4 (113 ) 34.5 (88 ) 17.7 (45 ) 27.2 (69 ) 11.8 (30 ) 18.3 (46 ) 14.8 (38 ) 6 (15) 8 (20) 8 (20 ) 71.0 (180)
3000 30.8 (78)
87 (221 ) 41.5 (105 ) 60.5 (154 ) 60.8 (154 ) 6.5 (16 ) 71 (180 ) 4 (10) 8.9 (23 ) 76.8 (195 ) 4.3 (11 ) 44.4 (113 ) 34.5 (88 ) 17.7 (45 ) 27.2 (69 ) 11.8 (30 ) 18.3 (46 ) 14.8 (38 ) 6 (15) 10 (25 ) 10 (25 ) 71.0 (180 )
3500
34.5 (88 ) 97 (246 ) 52 (133 ) 70 (178 ) 60.8 (154 ) 6.4 (16 ) 80.8 (205 ) 28.8 (73) 26.5 (67) 85.6 (217 ) 6.5 (16 ) 51.3 (130 ) 40 (102 ) 21.6 (55 ) 30.7 (78 ) 13 (33 ) 16 (41 ) 17.4 (44 ) 6.7 (17)
10 (25) 10 (25)
80.8 (205)
4000
34.5 (88 ) 97 (246 ) 52 (133 ) 70 (178 ) 60.8 (154 ) 6.4 (16 ) 80.8 (205 ) 28.8 (73) 26.5 (67) 85.6 (217 ) 6.5 (16 ) 51.3 (130 ) 40 (102 ) 21.6 (55 ) 30.7 (78 ) 13 (33 ) 16 (41 ) 17.4 (44 ) 6.7 (17) 12 (30 ) 12 (30) 80.8 (205)
'Knock-
down'
Height
Model Size
Water Gas
Condensate
Connection Connection Line
2000
3" Groove Lock
(or flange)
2" NPT 1"
2500
3" Groove Lock
(or flange)
2" NPT 1"
3000
3" Groove Lock
(or flange)
2" NPT 1"
3500
4" Groove Lock
(or flange)
2" NPT 1"
4000
4" Groove Lock
(or flange)
2" NPT 1"
Models 3500 and 4000 differ from the other sizes in the location of their Air Inlet and Gas Supply.
Models 3500 / 4000
1.6 Dimensions
Figure 1. Dimensions