Appliance details

Minimum recommended water pressure: 30 PSI (2.07 bar)

Connections:

– Bottom of heater

Combustion

NOx 55 ppm

CO 250 ppm

CO2 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 CO2 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.

Plastic decals

Fig. 4 Remove front cover

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Bosch Appliances 250SX NG Combustion, Dimensions, Gas types, Voltage, Amperage, Noise, Safety devices, Water resistant