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Recirculation Application; Operation Instructions; For Your Safety Read Before Operating Your Water Heater - Bosch Aquastar GWH 1600 H N User Manual

Hydro-generated ignition suitable for heating potable water only not approved for space heating or preheated water applications
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Operation instructions

3.10 Recirculation application

Since
recirculation
through
permissible, the following drawing is provided to outline
a proper recirculation application using the Aquastar
water heater with an Ariston minitank. This schematic is
for illustration only and must not be used for actual
installation
without
appropriate
technical advice from a professional properly licensed in
locality where the installation is made.
Fig. 17 Recirculation application
The use of a small electric mini-tank (4-6 gallon size)
should be used for this application and designed so the
pump will circulate the water through the mini-tank and
the building's hot water return loop only. A timed or
thermostatically controlled operation of the pump is
commonly done. The GWH 1600 H should be plumbed
in line before the mini-tank water heater. Contact Bosch
Water Heating if further instruction is needed.
14
the
heater is
not
engineering
and
4
Operation instructions
4.1
For your safety read before
operating your water heater
Warning: If you do not follow these
instructions exactly, a fire or explosion
may result causing property damage,
personal injury or loss of life.
B A. This appliance is equipped with electronic ignition
for lighting the pilot and main burners. When turning
the heater on, follow these instructions exactly.
B. Before operating the unit, set the On/Off switch to
the On
position. The On/Off switch is located
behind the flip-down coverplate on the front panel
strip. Smell all around the appliance area for gas. Be
sure to smell next to the floor because some gas is
heavier than air and will settle on the floor.
WHAT TO DO IF YOU SMELL GAS
B Close gas valve. Open windows.
B Do not try to light any appliance.
B Do not touch any electric switch; do not use any
phone in your building.
B Immediately call your gas supplier from a neighbors
phone. Follow the gas supplier's instructions.
B If you cannot reach your gas supplier, call the fire
department.
C. Use only your hand to push in the on/off control
button. Never use tools. Follow these instructions
exactly. If control button is jammed, close the gas
supply and call a qualified service technician.
Attempted forceful repair may result in a fire or
explosion.
D. Do not use this appliance if any part has been under
water. Immediately call a qualified service technician to
inspect the appliance and to replace any part of the
control system and any gas control which has been
under water.
6 720 608 032

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