LAARS Heating Systems
Page 10
SECTION 4.
Installation
4.1 Location and Clearances
The Mascot ST must be mounted to a suitable wall by
a qualified heating contractor under the guidelines of a
wall mounted water heater.
The wall may be of concrete or wood. Suitable fasteners
for concrete or wood must be used. Failure to wall
mount this water heater using correct fasteners will
affect the performance and life expectancy of the water
heater and will void the warranty.
Figure 2.
Locating the Appliance
9
23
3
8
3
8
6
15
12
30
Table 1.
Minimum Clearances
Installations must comply with
• All the local, state, provincial, and national codes,
laws, regulations and ordinances.
• National Fuel Gas Code, ANSI Z224.1 – The latest
version.
• National Electrical Code.
• A National Standard of Canada CAN/CSA-B149.1-05
Check before placing the Water Heater
• Always check the connected components which are
near to the heater. The components are below.
Water piping position / Venting adapter / Gas supply
piping / Electrical power / Condensate drain hose.
• Confirm area around Water Heater. Remove any
combustible materials, gasoline and other flammable
liquids. Failure to keep Water Heater area clear and
free of combustible materials, gasoline and other
flammable liquids and vapors can result in severe
personal injury, death or substantial property damage.
• The Water Heater which has gas control system
components must be protected from any possible
danger during operation and service.
• If new Water Heater replaces the existing appliance,
check and correct system problems, for example:
-
Do not install : System leaks causing oxygen
corrosion or heat exchanger cracks from hard water
deposits.
Provide clearances as outlined in Table 1
• As for vent connector and hot water pipe from
combustible construction, please consult with a
qualified technician.
• If the heater was installed in a narrow space or
corner, please ensure that there is sufficient space
for service and maintenance access. For regular
maintenance, there should not be any problem to
approach gas and water line.
The water heater must be installed on a wall that can
bear its weight.
WARNING
WARNING
CLEARANCES FOR SERVICE ACCESS
• The water heater must be installed on a wall that
can bear its weight.
• Adequate service clearance must be considered.
• The Water heater can be installed on any suitable
internal wall (sound proofing may be required when
installing onto a stud partition wall).
Minimum clearances to Combustibles.
to Combustibles and for Service.
For installation from
Non-Combustibles and
Combustibles
Suggested
Service
Clearance
TOP of appliance
9 in
(23 cm)
18 in
(46 cm)
BACK of appliance
5
/
8
in
(1.5 cm)
5
/
8
in
(1.5 cm)
FRONT of appliance
6 in
(15 cm)
40 in
(101 cm)
SIDE
of appliance
3 in
(7 cm)
8 in
(20 cm)
BOTTOM of
appliance
12 in
(30 cm)
24 in
(61 cm)
Summary of Contents for MSTWW
Page 38: ...LAARS Heating Systems Page 36 4 19 Wiring Diagram Figure 3 Wiring Diagram...
Page 39: ...Mascot ST Tankless Water Heater Page 37 4 20 Ladder Diagram Figure 4 Ladder Diagram...
Page 63: ...Mascot ST Tankless Water Heater Page 61 Cover Assembly...
Page 66: ...LAARS Heating Systems Page 64 Notes...
Page 67: ...Mascot ST Tankless Water Heater Page 65 Notes...
