64
COSMOGAS
Ecotower
8.2.11 - WATER PUMPS
The menu consists of several pages and, by scrolling with the
arrows, it is possible to consult and modify all the parameters
relating to the settings pump:
Parameter
Permission
level
U.M.
Range
Factory setting
Costum
value
Circulation pump P0 type
(Setting the pump inside the unit. Leave at
“PWM pump”, DO NOT CHANGE!!!)
Installer
/
- PWM pump,
- AC pump.
PWM pump
Working mode of circulation pump P0
(Type of operation of the pump inside the
heat pump)
Installer
/
- Interval working mode: in this mode the
pump switches on together with the
compressor and when the compressor
switches off the pump cycles for the
timers set in “Pump ON time for P0”
and “Pump OFF interval for P0”.
- ON Costantly: the internal pump is
always on. It turns off only when the
heat request is removed (Opening
of contacts “11”, “12”, “13” or “14” in
Figure 6-22).
- OFF with compr.: the pump remains on
only at the same time as the compres-
sor is running.
OFF with compr.
Pump OFF interval for P0
(see “Interval working mode” of the para-
meter “Working mode of circulation pump
P0”)
Installer
Min
5...60
15
Pump ON time for P0
(see “Interval working mode” of the para-
meter “Working mode of circulation pump
P0”)
Installer
Min
1...10
2
Buffer tank
(Enabling or not the buffer tank “39” of Figu-
res 5-6 to 5-10)
Installer
/
Selected -
Not selected
Not selected
P1 for heating operation
(Selection or not of pump “3” in Figure 6-22
as pump for the heating circuit only)
Installer
/
Selected -
Not selected
Selected
P1 for cooling operation
(Selection or not of pump “3” in Figure 6-22
as pump for the cooling circuit only)
Installer
/
Selected -
Not selected
Not selected
P1 with high temp. demand
(Selection or not of pump “3” in Figure 6-22
as pump for the high temperature circuit
only)
Installer
/
Selected -
Not selected
Not selected
P2 for heating operation
(Selection or not of pump “4” in Figure 6-22
as pump for the heating circuit only)
Installer
/
Selected -
Not selected
Selected
P2 for cooling operation
(Selection or not of pump “4” in Figure 6-22
as pump for the cooling circuit only)
Installer
/
Selected -
Not selected
Not selected
8 - USE
Figure 8-18 - Water pumps icon