~ 5 ~
4. Noise level
The uncertainty is 4dB(A).
5. Maintenance
5.1. Lubrication
The mechanical seal and shaft sleeves are
lubricated by the pumped liquid.
5.2. Periodic checks
The following checks should be carried out
periodically to ensure the normal operation.
5.2.1. Check the quantity of liquid and operating
pressure.
5.2.2. Check there are no leaks on piping joints.
5.2.3. Check the tripping of the motor starter.
5.2.4. Check that all controls are functioned
normally.
5.3. The pump must not be used to transfer
explosive liquids. In systems with hot
liquids (over 60°C), extra caution should be
exercised to prevent from personal injury.
5.4. The pump should not be used to transfer
toxic or contaminated liquids. Please
carefully follow all instructions in the
manual as Walrus may refuse to accept the
contaminated pump for servicing.
5.5. If the supply cord is damaged, it must be
replaced by a special cord or assembly
available from the manufacturer or its service
agent.
6. Wiring diagram
6.1 Single Phase ( 230V )
6.2 Single Phase (115/230V )
6.3 9 Wire, 3 Phase
6.4 12 Wire, 3 Phase
230V
U1
V1
115V
230V
W2 U2
U1 V1
W2
U1
U2
V1
U5
U1
V1
W1
V5
W5
U2
V2
W2
U5
V5
W5
U1
V1
W1
U2
V2
W2
High Voltage
Low Voltage
U1
U5
V1
W1
V5
W5
W2
W6
U2
V2
U6
V6
W6
U6
V6
W2
U2
V2
U1
V1
W1
V5
W5
U5
High Voltage
Low Voltage
<70
<70
<70
<70
<70
<70
<70
<70
<70
<70
<70
<70
<70
<70
<70
<70
<70
<70
<70
<70
TPH 2T2K
TPH2T3K
TPH2T4K
TPH2T5K
TPH2T6K
TPH4T2K
TPH4T3K
TPH4T4K
TPH4T5K
TPH4T6K
LA dB(A)
Model
50Hz
60Hz
<70
-
<70
<70
<70
<70
-
<70
<70
<70
71
71
<70
<70
<70
71
71
-
<70
<70
72
77
-
-
TPH8T2K
TPH8T2.5K
TPH8T3K
TPH8T4K
TPH8T5K
TPH8T6K
TPH12T1K
TPH12T2K
TPH12T3K
TPH12T4K
TPH12T5K
TPH12T6K
LA dB(A)
Model
50Hz
60Hz
76
76
76
76
-
78
78
78
78
78
TPH25T2KF
TPH25T3KF
TPH25T4KF
TPH25T5KF
TPH25T6KF
LA dB(A)
Model
50Hz
60Hz
TPH50T2KF
78
78
78
78
78
78
TPH50T3KF
TPH50T4KF
TPH50T5KF
TPH50T2.5KF
-
-
-
-
