MOULDPRO DP15M User manual
DP 15 M
DP 30 M
User’s manual - Use and Maintenance
Descaling pumps
Notice technique - Utilisation et entretien
Pompes pour le détartrage
GB
F
Bedienungs- und Wartungshandbuch
Entkalkungspumpen
D
ENGLISH
3
Dear Customer, thank you for choosing a MOULDPRO descaling pump.
MANUAL
This manual is a safe guide for the use of the pump. Please read it carefully in all its parts before use.
This manual contains important information for the proper working and use of the equipment.
MOULDPRO reserve the right to introduce any future changes without notice or replacement.
PRELIMINARY INSPECTION
Upon receipt of the pump, take it out from the carton and check it is in perfect condition.
Also check that the data on the rating plate correspond to required ones (please see section
3 “Technical Features”). For any problem, immediately contact the supplier specifying the kind
of fault.
In case of doubt about the safety of the machine, do not use it.
DESCRIPTION
Vertical axis pumps with tank for descaling heat exchangers, pipes, coils and any similar scaled situation.
Pumps are supplied ready to use, in strong carton boxes with related user’s manual.
Below are the main deposits which can be removed with these pumps:
- scale deposits.
4
CONTENTS
1 - REGULATIONS – CE MARK p. 5
2 - THE ADVANTAGES OF THE PUMPS WITH FLOW REVERSER p. 5
3 - TECHNICAL FEATURES p. 6
4 - CUSTOMER SERVICE p. 6
5 - USE p. 6
Precautions p. 7
6 - SAFETY INSTRUCTIONS p. 7
7 - DESCALING CHEMICALS p. 8
8 - EXPLODED VIEWS
DP 15 M p. 9
DP 30 M p. 10
9 - DIRECTIONS FOR DISPOSAL p. 11
10 - WARRANTY TERMS AND AFTER-SALE ASSISTANCE CONDITIONS p. 11
ENGLISH
5
ENGLISH
1 - REGULATIONS – CE MARK
Declaration of Conformity
The pumps are in conformity with the following European Directives, Laws and Regulations:
Low Voltage Directive:
73/23/EEC
93/68/EEC
Electromagnetic Compatibility Directive:
89/336/EEC
92/31/EEC
93/68/EEC
93/97/EEC
Directives RoHS and WEEE:
02/98/EEC
02/96/EEC
03/108/EEC
QUALITY
MOULDPRO equipments are manufactured with high-quality acid-resistant materials and submitted to
severe operating tests.
Follow these instructions to avoid any operating and servicing problems.
2 - THE ADVANTAGES OF THE PUMPS WITH FLOW REVERSER
Time and, above all, temperature increase make calcium
salts, usually present in water, precipitate in the form of
microcrystals and settle on metallic surfaces of pipes,
plant coils and heat exchangers, thus reducing flow rate
and thermal efficiency.
To restore the original plant performance it is necessary
to carry out a descaling with specific products and
equipments.
The flow reverser device attacks scale on both sides, thus
making descaling particularly fast (as the normal dissolving
action is combined with the detachment in flakes of the
scale, made friable from the double attack) and effective,
even when pipes and exchangers are almost totally
clogged.
fig. 1 - Clockwise
circulation
fig. 2 - Counterclockwise
circulation
6
4 - CUSTOMER SERVICE
For enquiries on spare parts, please specify serial number of pump (shown on product and
carton).
5 - USE
5.1 - How to prepare the pump and check the seal
- Fill the tank with enough water to ensure that the pump rotor
housing is submerged during operation.
- Screw the outer ends of the flexible hoses securely to the
exchanger to be descaled.
- Connect the power cable to a single-phase 230 V power
supply.
- Switch on the pump and check the seal of the hose fittings
on the exchanger and on the pump. In case of leaks of liquid,
check hoses and fittings and replace the defective components,
if necessary.
- When seal is safe, switch off the pump.
- If necessary, add more acid by referring to the dilution specified
in the data sheet of the product.
5.2 - Descaling
- Switch on the pump.
IMPORTANT: During use, the tank cap should remain open to allow for the passage and elimination of
the gas evolved during descaling. Check that the foam level does not exceed the maximum filling level.
- Periodically move the handle of the flow reverser from one stop to the other. By attacking scale from both
sides it is possible to clean piping which is almost totally obstructed and descaling time is considerably
reduced.
- Scale removal can be considered complete when bubbles no longer form in the return pipe and the
solution is still acidic.
3 - TECHNICAL FEATURES
121.031.10 DP 15 M 15 35x48 14 48 0,20
121.080.10 DP 30 M 24 40x63 20 90 0,45
Dimensions Max
Code Item Tank L x H Head* flow rate HP
(l) (cm) (w.c.m.) (l/min)*
DESCALING PUMPS (with flow reverser)
* Data referred to the pump body outlet.
ENGLISH
7
5.3 - How to clean the pump
- After descaling REMOVE THE DESCALING LIQUID FROM THE TANK and wash out the pump by
circulating clean water through it for at least 10 minutes.
PRECAUTIONS
Only use MOULDPRO chemicals in order to ensure good working and avoid damaging the
equipments.
Once the lifetime of the pump has expired, do not dispose of it with household
waste. The pump must be recycled in authorized centres and can be assimilated to a
household appliance.
During handling lift the pump and do not drag it in order to avoid damages to the tank.
Temperature of the descaling solution must never exceed 50 °C.
Flexible hoses and fittings can be damaged in time; make sure to check the seal whenever using
the pump, as indicated in the pump preparation instructions.
6 - SAFETY INSTRUCTIONS
- Before installing the motor pump, make sure the power supply is fitted with grounding and
complies with the regulations.
- Avoid using the pump in places where there are liquids, gases, flammable powders or risk of explosion.
- Before plugging in the pump to the outlet, make sure the switch is off.
- The outlet must be suitable for the plug of the pump. Do not use non CE-marked defective outlets.
- Use (CE) approved extensions, only if necessary.
- Do not use plug adapter. Do not carry out any modifications to the plug nor to the electrical cable.
- Pump shall always kept in perfect efficiency.
- During maintenance operations, check the switch is off and the plug is not connected.
- All maintenance operations must be carried out by the authorized Technical Assistance Service.
- Only use MOULDPRO original spare parts.
- Do not carry out any modifications to the pump if not authorized by MOULDPRO Technical Department
(ask for written authorization).
- The warranty is not valid if the pump is repaired by personnel not authorized by the manufacturer, that
also means operating with unsafe and potentially dangerous equipment.
- Keep children and unauthorized persons away from the pump.
- Keep the pump out of reach of children and unauthorized persons.
- Do not use the pump if tired or under the effect of alcohol, medicines or drugs, do not eat or smoke.
- When using the pump, wear overalls, do not wear jewellery, keep hair away from the pump.
- When handling descaling liquids, be very careful. It is necessary to use Individual Protection Equipment
(IPE).
8
7 - CHEMICALS
Copper Steel Stainless
Aluminium
Brass Tin Light
Galvanised
steel alloys iron
DESCALING CHEMICALS
REMOVER LIQUID • •
Concentrated descaling liquid
with powerful reaction for
systems and heat exchangers.
REMOVER PLUS LIQUID • •
Concentrated descaling liquid
(non-fuming), with degreasing
action, for systems and heat
exchangers.
REMOVER PLUS POWDER • • • • •
Concentrated descaling powder
(non-corrosive, non-fuming) for
systems and heat exchangers.
NEUTRALIZING CHEMICALS
NEUTRALIZER • • • • • • • •
Neutralizing powder to remove
residual acidity after descaling
systems and heat exchangers.
Also suitable for neutralizing
descaling chemicals after use,
thus making it possible to
drain them.
ENGLISH
9
8 - EXPLODED VIEWS
75
70
71
72
73
74
1
2
4
5
6
7
53
9
36
10
12
13
15
17
19
41
40
44
45
43
92
42
90
32
91
30
25
21
46
24
28
29
47
64
8
23
26
1. Plastic handle
2. Motor 220/50
4. Brass nut 6 MA
5. PVC blind nut 16 MA
6. Circlip
7. Plastic washer
8. O-Ring for rotor/ impeller
9. PP bolt 12 MA
10. Flange + pump body
12. Shaft sleeve
13. PP rotor/ impeller
15. PP cover
17. PP bolt 8 MA/ 10 MA
19. Tank
21. Pipe fitting 1/2 x 16
23. Tank cap
24. O-Ring for motor flange
25. Flow reverser
26. O-Ring for rotor cover
28. Delivery hose
29. Return hose with pipe fitting
30. Transparent hose m. 2x2 +
fitting 1/2”
32. Male cover – thread 1/2
36. EPDM seal 30x15
40. Flow reverser handle/lever
41. Flow reverser top plate
42. Flow reverser body
43. Flow reverser paddle
44. O-Ring for flow reverser
top plate
45. O-Ring for flow reverser
paddle
46. Pipe fitting 1/2 x 3/4 x 16
47. Pipe fitting 3/4 x 16
53. O-ring 11x3 for shaft cover
sleeve
64. Threaded elbow 1/2 x 3/4
70. Motor fan cover
71. Motor fan
72. Seal bearing
73. Switch
74. Motor flange
75. Screw for fan cover
90. Thread adaptors
91. Hose end fitting 1/2
92. Hose securing ring 3/4
DP 15 M
45120006
47180050
45125021
45175010
45282050
45220010
45280130
45330027
47050010
45250050
47140030
45422040
45340110
47200550
45340255
60012005
45422150
60017015
45540020
47200540
45500010
45295012
45155010
45340130
45340140
45215010
45245010
45165010
60006010
45256040
45370010
60033010
60018012
45370060
45370058
45340240
60031015
45615030
45370062
45180020
45340145
45540097
45340063
10
41
40
44
45
43
92
42
90
91
30
25
46
21
24
28
29
47
64
8
26
23
75
70
71
72
73
74
1
2
4
5
6
7
53
9
10
12
13
15
17
19
1. Plastic handle
2. Motor 220/50
4. Brass nut 6 MA
5. PVC blind nut 16 MA
6. Circlip
7. Plastic washer
8. O-Ring for rotor/ impeller
9. PP bolt 12 MA
10. Flange + pump body
12. Shaft sleeve
13. Rotor/ impeller
15. PP cover
17. PP bolt 10 MA
19. Tank
21. Pipe fitting 1/2 x 16
23. Tank cap
24. O-Ring for motor flange
25. Flow reverser
26. O-Ring for rotor cover
28. Delivery hose
29. Return hose + pipe fitting
30. Transparent hose m. 2x2 +
fitting 1/2
40. Flow reverser handle/lever
41. Flow reverser top plate
42. Flow reverser body
43. Flow reverser paddle
44. O-Ring for flow reverser top
plate
45. O-Ring for flow reverser
paddle
46. Pipe fitting 1/2 x 3/4 x 16
47. Pipe fitting 3/4 x 16
53. O-Ring for shaft cover sleeve
64. Threaded elbow 3/4
70. Motor fan cover
71. Motor fan
72. Seal bearing
73. Switch
74. Motor flange
75. Screw for fan cover
90. Thread adaptors
91. Hose end fitting 1/2
92. Hose securing ring 3/4
DP 30 M
45120020
47180050
45125025
45175020
45282010
45220021
45280120
45330045
47050010
45250050
47140040
45422045
45340140
47200550
60012020
45422175
60017020
45540020
47200540
45500030
45295012
45155010
45340130
45340140
45215010
45245010
45165010
60006010
45370010
60033010
60018012
45370058
45370060
45340240
60031020
45615030
45370062
45180020
45340145
45340063
45540097
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