Bosch 7 736 504 585 Instructions D'installation page 8

Recirculation Pump Kit
Recirculation options
House Recirculation
This recirculation option uses the appliance's NTC sensor along
with the optional schedule to control the pump (only with
remote control).
Tank loading
This recirculation option gives the option of using one of three
temperature sensors to control the recirculation option. The
scheduling option is not available for tank loading, except for
commercial models and with Bosch remote control.
• External NTC - 7 736 504 583
– Only compatible with Bosch cable/sensor accessory
(7736504583).
• Aquastat - 7 736 504 584
– The aquastat connector kit (7736504584) must be
used to connect a field supplied aquastat to the
appliance.
• Internal NTC
– Uses the appliance's NTC sensor to measure the
incoming water temperature.
SA (Settings)
This section only applies to the Greentherm T9800 outdoor
models.
Fig. 9 SA - Settings
This menu provide access to several parameters.
▶ Access to information / adjustments menu.
Display shows P4 (Information).
▶ Press the button
(Settings).
▶ Press the button
Display shows E.
▶ Press buttons or
information.
– E Exit
– A1 Recirculation
6 720 819 502 (2023/01)
until the display shows SA
.
to choose the following
– A8 Startup Delay
– A9 Units Set
– Ab Region Selection
– rS Recirculation Settings
▶ Press the button
A1 Recirculation
Choosing a recirculation program:
▶ Press the button
▶ Press buttons or
– OF OFF
– rE House Recirculation
– tI Tank Loading Internal NTC
– tE Tank Loading External NTC
– tA Tank Loading Aquastat
▶ Press the button
RS Recirculation Settings
To define recirculation comfort level,
▶ Press the button .
▶ Press buttons or
– 1
– 2
– ...
– 9
Choosing a higher comfort level (9) will set the
recirculation water temperature closer to the set point
defined on the water heater. Choosing a lower value (1) will
favor efficiency at the expense of recirculation temperature
comfort.
▶ Press the button
Recirculation Settings.
7 736 504 585
to select the desired information.
.
to scroll through the options.
to exit recirculation menu.
to define comfort level.
to select value and to exit
8