LAARS Heating Systems
Page 8
Before Operation
1. Check the Gas Type (NG/LP)
When using or moving the unit for the first time, check
if gas type matches with the gas type of the Water
Heater. Check whether the gas type which is supplied
is NG (Natural Gas) or LP (Propane) and also check
the Water Heater gas type.
The gas type is indicated on the rating plate on side of
the Water Heater.
2. Check the Power (120V 60Hz)
Check that the appliance is connected properly.
3. Check the Cold Water Inlet
valve
Please keep the
appliance water inlet
valve open at all times.
The appliance will not
ignite when insufficient
water or no water is
in the heating pipes.
(valve: always open
position)
4. Check the Gas Valve
Check that the manual gas shut-off valve
that supplies the Mascot ST is opened.
5. Check the area around the appliance and remove
any combustible or flammable materials. Remove
laundry or any other items that are on or near the
water heater or exhaust vent.
open
When in Operation
CAUTION
1. Caution for Gas leak
Frequently check for a gas leak at the gas connection
portion with soapy water.
2. Caution for Ventilation
Make sure that there is sufficient inflow and outflow of air
ventilation while using the unit.
If the ventilation is improper, combustion quality may
deteriorate inside the appliance and cause shortened life
of the appliance.
3. Burn Warning
Be careful not to burn yourself on the flue or pipes. They
become extremely hot during operation.
SECTION 3
.
Safety Regulations
3.2 Safety Precautions and Proper Use
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...
