LAARS Mascot LX MLXC 175 MBH - Install and Operating Manual - Manual (Page 11)

Mascot LX Boilers and Water Heaters Page 7
SECTION 2.
Locating the Appliance
2.1 Locating the Appliance
The Mascot LX is designed for indoor
wall-mounted installations only.
The Mascot LX must be mounted to a suitable wall by
a qualified heating contractor under the guidelines of a
wall mounted boiler or combination unit. Use a suitable
wall, either concrete or wood and use the appropriate
fasteners for that wall. Failure to wall mount this boiler
using correct fasteners will affect the performance and
life expectancy of the boiler and will void the warranty.
The appliance should be located to provide clearances
on all sides for maintenance and inspection. It should
not be located in an area where leakage of any
connections will result in damage to the area adjacent to
the appliance, the wall that it is hung on, or to the lower
floors of the structure.
When such a location is not available, it is recommended
that a suitable drain pan, adequately drained, be installed
under the appliance.
The appliance is design certified by CSA-International
for wall-mounted installation in basements; in closets,
utility rooms or alcoves. The location for the appliance
should be chosen with regard to the vent pipe lengths
and external plumbing and on a plumb (vertical) wall.
The unit shall be installed such that the gas ignition
system components are protected from water (dripping,
spraying, rain, etc.) during operation and service
(circulator replacement, control replacement, etc.).
If the vent terminal and/or combustion air terminal
terminate through a wall, and there is potential for snow
accumulation in the local area, both terminals must
be installed at an appropriate level above grade or the
maximum expected snow line.
The dimensions and requirements that are shown in
Table 3 should be met when choosing the locations for
the appliance.
2.2 Correct Vent Distance from Outside
Wall or Roof Termination
The forced draft combustion air blower in the appliance
has sufficient power to vent properly when the
guidelines in Table 4 are followed.
For concentric vent terminal kit (optional), follow
installation instructions included with the kit.
NOTE: When located on the same wall, the Minimum
Venting Distance is found on Figure 11 .
Figure 7. Locating the Appliance.
12
30
Table 3. Clearances
APPLIANCE SUGGESTED SERVICE ACCESS CLEARANCE
SURFACE INCHES CM
Left Side 6 15
Right Side 6 15
Top 12 30
Closet, Front 6 15
Front 24 61
Bottom 24 61
Vent 1 3
Certifi ed by CSA for zero clearance to
combustible materials on all sides.
Clearances
Sizing Data
Sizing Data,
Piping
Input Output DHW AFUE Gas Water DHW Shipping
Model Output @ Conn. Size Conn. Size Conn. Size Weight
BTU/h kW BTU/h kW 75°F Rise inches inches inches lbs kg
MLX 50 50,000 14.6 47,500 13.2 - 95% 1/2” NPT 3/4” NPT - 88 40
MLX 75 75,000 21.9 71,250 20.8 - 95% 1/2” NPT 3/4” NPT - 97 44
MLX 100 100,000 29.3 95,000 27.8 - 95% 1/2” NPT 3/4” NPT - 112 51
MLX 125 125,000 36.6 118,750 34.8 3.1 gpm 95% 1/2” NPT 3/4” NPT 1/2” NPT 126 57
MLX 150 150,000 43.9 142,500 41.8 3.7 gpm 95% 1/2” NPT 1“ NPT 1/2” NPT 140 64
MLX 175 175,000 51.6 166,250 48.7 4.3 gpm 95% 1/2” NPT 1“ NPT 1/2” NPT 153 69
MLX 220 220,000 64.4 209,000 61.2 - 95% 1/2” NPT 1“ NPT - 161 73
NOTES:
1. For other boiler ratings:
Boiler Horsepower: HP = Output Radiation Surface: EDR sq. ft. = Output
33,475 150
50 thru 125
150 - 220
Cond. Hydronic DHW 2nd Gas Hydronic DHW 2nd
Outlet Return Inlet Return Supply Supply Outlet Supply
3/4" 3/4" 1/2" 3/4" 1/2" 3/4" 1/2" 3/4"
PVC copper NPT copper NPT NPT NPT copper
3/4" 1" 1/2" 3/4" 1/2" 1" 1/2" 3/4"
PVC NPT NPT copper NPT NPT NPT copper
Shipping
Weight
lbs kg
- -
- -
- -
133 60
148 67
163 74
- -
Combi Boiler