Fault Finding; Dimensions (Mm) - Walrus TPH Series Instruction Manual

7. Fault finding

(Make sure to disconnect the power before attempting to diagnose any fault.)
1. Pump does not start
2. Pump runs at reduced capacity or no discharge
water
3. Pump stops during operation

8. Dimensions (mm)

TPH 2/4
TPH 2T
Model A
TPH 2T 1K 305
TPH 2T 2K 305
TPH 2T 3K 323
TPH 2T 4K 341
TPH 2T 5K 399
TPH 2T 6K 417
Fault
Outlet Rp 1" D
138 C
160 B
A
B C D
63 74 99
63 74 99
81 92 117
99 110 135
117 128 153
135 146 171
1. Check if electrical power source, fuse or circuit
breaker failed.
2. Check if pump is locked up by sand, rust or any
foreign objects.
3. Check if the motor is defective due to overload
or other causes.
1. If it is a three phase motor, please check if the
direction of rotation is correct.
2. Check if the inlet source is sufficient, the
suction lift is not too great and the temperature
is within the normal range.
3. Check if there is any leakage in suction pipe,
check valve works normal and mechanical seal
is not defective etc.
1. Motor overheat due to excessive suction lift or
too high liquid temperature.
2. Control circuit has cut out (pressure switch or
level controller).
PS / "
2T: Rp 1"
Inlet
4T: Rp 1¼"
162
90
4-Ø8.5
PS / "
TPH 4T
Model
TPH 4T 2K
TPH 4T 3K
TPH 4T 4K
TPH 4T 5K
TPH 4T 6K
~ 6 ~
Cause
142
226
202
(1Ø)
(3Ø)
108
130
A B C
315 73 84
381 99 110
408 126 137
435 153 164
493 181 192
D
109
135
162
189
217