Settings; Pump Sp Cut-In Temperature Differential - Bosch Worcester TDS 300 Installation And Operating Instructions Manual

EXPERT MENU (FOR QUALIFIED TECHNICIANS ONLY)
9.5

Settings

The system-related programmer settings are dependent on the solar heating system configuration
chosen.
B Check all setting options (
diagram.
WARNING: risk of scalding if cylinder temperature limiter deactivated!
If pumps or valve settings are manually altered, all safety functions are disabled.
B Turn off all hot water points and inform occupants of the premises of the risk of
scalding.
B Cancel manual mode once it is no longer required.
B To switch to the Expert menu, press and hold the
B Turn the rotary selector
Advanced menu
Language
Time
System config.
Settings
Start solar system
B Use the rotary selector
confirm.
B To change the setting, press the rotary selector
B To change the setting, turn the rotary selector
B To save the new setting, press the rotary selector
B To return to the next menu up, press the

9.5.1 Pump SP cut-in temperature differential

Menu: Expert menu > Settings > 1: Standard system > SP pump switch-on temp. differential
If the set cut-in temperature differential (ΔT) between the bottom of the solar cylinder and collector
array is reached and all conditions for switching on are met, the solar system pump starts up.
When the cut-in temperature differential for pump SP is altered, the cut-out temperature differential
for pump SP is automatically set to half the cut-in temperature differential.
Setting range
7 -20 K
62
Section 9.1, page 55) for relevance to the selected configuration
+
to select Settings and press the rotary selector
-
+
to select the desired setting and press the rotary selector
-
Default setting
8 K
menu button for 5 seconds.
again (setting starts flashing).
ok
+
.
-
.
ok
button.
New setting
6 720 644 593 (2010/04)
to confirm.
ok
to
ok