Bosch Appliances GWH 2400 ES LP Water Heater User Manual


 
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Appliance details
2 Appliance details
2.1 Features
Parts
Key Pad interface control
High power pre-mix compact burner with low NOx
emissions
Modulating Gas Valve with constant gas:air ratio
control
Modulating water valve for improved comfort and
temperature control.
High quality materials for long working life
Copper heat exchanger
High efficiency Ceramat Burner
Compact space saver: mounts on a wall with a
supplied bracket.
Features
Real-time diagnostics for troubleshooting/
informational purposes
LCD Display with backlight
On/Off and Temperature control switches
Reset button
Program button (Selectable temperature default)
Failure codes for easy diagnostics and repair
Easily removable one-piece cover
Built in freeze prevention.
Note: Freeze prevention is not intended to protect
plumbing outside the appliance or to keep the
appliance from freezing for long periods.
Accessories (Bosch part #)
• Optional wireless remote control accessory to
operate with the appliance (TSTAT2)
Outdoor kit (AQOK).
2.2 GWH 2400 ES Specifications
(Technical data)
Approved in US/Canada
Capacity
Maximum flow rate: 6.4 GPM (24 l/min) at a 45°F
(25°C) rise.
Maximum output
147,000 Btu/h (43.0 kW)
Maximum input
175,000 Btu/h (51.2 kW)
Efficiency in %
Thermal efficiency > 82%
Min. Input
19,900 Btu/h (5.8 kW)
Temperature Control
Selection range: 100°F (38°C) - 140°F (60°C)
Default temperature: 122°F (50°C)
Stability: +/- 2°F (+/- 1°C)
Gas Requirement
Gas connection (inches) - ¾”
Inlet gas pressure under operation (with a high hot
water flow rate)*
Propane: 8” - 13” water column
Natural Gas: 3.5” - 10.5” water column.
* To measure gas pressure, see Measuring Gas
Pressure, chapter 3.12.
Water
Hot water connection (inches) - ¾”
Cold water connection (inches) - ¾”
Water valve material: Polymer (PPS) (Polypropylene
Sulfid)
Minimum water flow: 0.65 gallon/minute (2,5 l/m).
Note: Activation varies with inlet water temperatures
from 0.65 - 1.6 gallon/minute.
Minimum recommended water pressure: 30 PSI
(2.07 bar)
Minimum recommended well pressure: 40 PSI (2.75
bar), see chapter 3.9.
Connections:
Bottom of heater
Combustion
•NOx 55 ppm
•CO 250 ppm (measured)
•CO
2
level set from factory, see chapter 6.4.
Dimensions
Depth (in): 11¼” (286 mm)
Width (in): 17
7
/
8
” (452 mm)
Height (in): 30½” (775 mm)
Weight: 67 pounds (30,5 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.
i
BOSCH is constantly improving its
products, therefore specifications are
subject to change without prior notice.