39
For the Installer
FIGHTER 1310 HPAC
■
Set switch (8) to 0.
■
Close the shut-off valves outside the heat pump.
■
Drain the part of the circuit where the pump to be
cleaned is located, the heating medium pump or
the heat transfer pump.
■
Loosen the venting screw.
■
Remove the drive side from pump housing by loos-
ening the two screws. Now dismantle the drive side
(fig. A).
■
Remove the rotor unit (including pump housing) by
carefully pulling the pump rotor. If it sits firmly, it
can be loosened by knocking the rear of the shaft
(fig. B).
■
Clean inside the stator can using a cleaning agent
(fig. C).
■
Also clean the rotor unit using the cleaning agent
and lubricate the O-ring with, for example, a soap
solution (fig. D).
■
Refit the rotor unit.
■
Refit the drive side (the flat packing is best placed
on the pump housing).
■
Open the shut-off valves.
■
Set the switch (8) to 1.
Cleaning the circulation pump
Rotorpaket
Drivsida
Spaltrör
A
LEK
GR
UND
F
O
S
T
ype
UP
S
25 - 60
130
P/N
:5
9526447
230V
-
H
EJS
A
N
P
C
;0017NIB
D
K
50Hz
IP 44
TF
110
C
lass H
M
ax.
10bar
2
.5u
F
45
0.20
65
0.3
0
90
0.40
1m(A)
P,
(W
)
B
LEK
C
LEK
D