6 720 680 223
4
Appliance details
FCC:
This device complies with Part 15 of the FCC rules.
Operation is subject to the following two conditions: (1)
This device may not cause harmful interference, and (2)
this device must accept any interference received,
including interference that may cause undesired
operation.
Fig. 1
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:
The freeze prevention is designed to provide
protection for the water heater down to approximately 5°F
for short term conditions only. It will not protect the
appliance in areas where the temperature is routinely
expected to be below freezing.
- The freeze prevention will not protect plumbing outside
the appliance from freezing. Precautions should be taken.
Accessories (Bosch part #)
• Optional wireless remote control accessory to operate
with the appliance (TSTAT2)
• Cascading kit (TLINK)
• Outdoor kit (BSHTOK)
• Gas conversion kit (8719002176)
• Vertical vent kit (ESVVT)
• Concentric vent /air intake kit (ESHCK)
• Horizontal vent kit (AQ3ES
1)
)
• Stainless steel bird screen (L2594)
(fits into a 3” PCV fitting - Intake vent)
.
Warning:
The anti freeze kit is
designed to provide protection for the
water heater down to approximately 5°F
for short term conditions only. It will not
protect the appliance in areas where the
temperature is routinely expected to be
below freezing.
B
The anti freeze kit will not protect
plumbing outside the appliance from
freezing. Precautions should be taken.
B
Always drain the water heater if it will be
exposed
to
long
term
freezing
conditions. See Section 6.2 Winterizing
for seasonal use.
Warning:
If a relief valve discharges
periodically, this may be due to thermal
expansion in a closed water supply
system. Contact the water supplier or
local plumbing inspector on how to
correct this situation. Do not plug the
relief valve.
HOT
BURN
D A N G E R
Water temperature over 125°F can
cause severe burns instantly or
death from scalds.
Children, disabled and elderly are
at highest risk of being scalded.
See instruction manual before
setting temperature at water
heater.
Feel water before bathing or
showering.
6720608643-16.1AL
1) AQ3 vent kit is compatible with this appliance but
requires the purchase of an additional 12" piece of
straight pipe to meet minimum vent length requirements.
The aluminum flex piping included with this kit is not per-
missible for use with this appliance.
i
BOSCH is constantly improving its
products, therefore specifications are
subject to change without prior notice.
