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Appliance details
5
•CO
2
level set from factory, see chapter 5.4.
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 Bosch Water Heating for conversion information.
Voltage
120 V AC (50/60 Hz)
6 ft power supply cord
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)
2.3 Unpacking the 2400 E heater
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 sticker which is
located on the right side panel of the cover.
Fig. 2 Rating plate sticker
A Serial number
B Type of gas
The box includes:
• Pressure relief valve (150 psi / 200,000 Btu rating)
• Bracket for wall hanging the heater
• Exhaust vent adaptor (with 4 screws and gasket
provided)
• Condensate drain tube kit
• 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. 3
• Installation manual (replacement manuals can be
downloaded at www.boschhotwater.com
)
• Product registration card
• Energy Guide label.
Please complete and return the enclosed product
registration card.
The 2400 E is not approved or designed for:
• Manufactured (mobile) homes, RV's, boats or any
mobile installation.
• Heating or other recirculating/pumping applications*
• Solar/preheat backup or high temperature booster
use.
* This includes domestic hot water circulator pump loop
systems that may be installed in home hot water system
prior to installing this unit. An approved recirculation
design can be found in chapter 3.9. The use of a small
electric mini-tank water heater (4-6 gallon size) must be
used for this application and designed so the pump will
circulate the hot water in the mini-tank only and through
the building's hot water return loop (timed or
thermostatic controlled operation of the pump is
commonly done). The 2400 E must be plumbed in line
before the mini-tank water heater and supplied with
cold water only. Contact Bosch Water Heating if further
instruction is needed.
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. 3)
• Lift front cover panel upward and remove.
Fig. 3 Remove front cover
Plastic decals