Hydraulic System; Description; Operation, Commissioning And Options; Operation - PAW Friwa Manual Del Usuario

Friwa
1

Hydraulic system

1.1

Description

• Detects hot water delivery from 1,5 l/min up to
40 l/min
• Hot water delivery at set temperature
• Calculation of required pump speed with cold
water, source, and hot water set temperature
and the measured flow rate
P1 loading pump
Pc circulating pump (optional)
T-HW sensor - hot water temperature
2.

Operation, commissioning and options

2.1 Operation

control lamp
(-) backwards
2
SET / OK
(selection / adjustment mode)
20
|
T- HW
T- S
T- CW
P1
forwards (+)
1
3
• Quick reaction to changes of flow rate
dV
T-CW sensor - cold water temperature
T-S sensor - heat source temperature
dV flow rate - measuring device
The controller is operated via the 3 push buttons below the
display. The forward-button (1) is used for scrolling forward
through the menu or to increase the adjustment values.The
backward-button (2) is similarly used for scrolling backwards
and reducing values.
Button 3 is used for adjusting the individual parameters.
Press the button in order to access the sub-menu or the
SET mode. Button 3 is also used for confirmation.
By selecting the menu line „back" and pressing the SET/OK
button, the display returns to the main menu. If no button
is pressed within 60 seconds, the display changes back to
the main menu.
Note: The choice of adjustment values and options depends
on different functions and the user code. Some only appear
in the display if they are available for the adjusted system
parameters.
User code: Expert - Code 119
After the user code has been entered, the expert menu is
accessible and the corresponding values can be changed.
Pc
optional
circulation
cold water