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Appliance details
5
• Minimum recommended water pressure: 30 PSI
(2.07 bar)
• Connections:
– Bottom of heater
Combustion
•NOx ≤ 55 ppm
•CO ≤ 250 ppm
•CO
2
level set from factory, see chapter 9.1.
Dimensions
• Depth (in): 8 ½” (220 mm)
• Width (in): 15 ¾” (400 mm)
• Height (in): 23 ½” (600 mm)
• Weight: 47 pounds (21 kg).
Gas types
Natural Gas.
LP Gas.
Converting the gas type can only be done by a certified
gas technician with a calibrated CO
2
analyzer. Call
CEC for conversion instructions.
Voltage
120 V AC (50/60 Hz)
Amperage
IDLE - 40 mA
Operation - ≤ 2,5 A
Noise
≤ 50 db (A)
Safety devices
• Flame failure device (ionization flame rod sensor)
• Pressure relief valve (supplied with heater)
• Over heat prevention (temperature limiter).
Water resistant
IP X4 (protection against water drops)
UNPACKING THE 250 SX HEATER
This heater is packed securely.
The box includes:
• Pressure relief valve
• Bracket for wall hanging the heater
• Exhaust vent adaptor (with 4 screws and gasket
provided)
• Combustion air inlet adaptor (with 3 screws and gas-
ket provided)
• Plastic decal shields for covering front cover screws
and control panel, installer should affix these decals
to the front of the unit after installation is complete.
See Fig. 4
• Installation manual
• Product registration card.
Do not lose this manual. Please complete and return
the enclosed product registration card.
Before installing the unit, be certain you have the
correct heater for your type of Gas - Propane or
Natural Gas. Identification labels are found on the
shipping box, and on the rating plate which is located on
the right side panel of the cover.
To remove front cover
• Loosen the two Philips head screws located on front
panel (beneath plastic decal shields if they are
already attached, see Fig. 4)
• Lift front cover panel upward and remove.
Fig. 4 Remove front cover
Plastic decals