A Series. 60 Hz. A - Series. Vertical Multistage Centrifugal in-line Pumps AVC/AVI/AVS ISO-9001

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1 A - Series A Series ISO-9 AVC/AVI/AVS Hz Evak Pump Technology Corp. No. 55, Zhongshan Rd., Qingshui Dist., Taichung City, Taiwan. Tel : Fax: Vol. PIAV-

A-Series Index Pump AVC/AVI/AVS-Series Index / Type Key AVC/I/S General data- AVC/I/S M AVC/I/S M AVC/I/S 5 M AVC/I/S M AVC/I/S M AVC/I/S M AVC/I/S M 7 9 AVC/I/S 5 M - AVC/I/S M - AVC/I/S 9 M -

2 A-Series Index Pump AVC/AVI/AVS-Series Index / Type Key AVC/I/S General data- AVC/I/S M AVC/I/S M AVC/I/S 5 M AVC/I/S M AVC/I/S M AVC/I/S M AVC/I/S M 7 9 AVC/I/S 5 M - AVC/I/S M - AVC/I/S 9 M - AVC/I/S M - AVC/I/S M - Install Mechanical Seals- Troubleshooting- Nameplate Type Key AVC- M Pumps & Pumps A-series Pump Type V : Vertical Pump material C I S : Cast iron (Discharge & Suction) : : Number of Stages (Impeller) : stages : stages : stages 5: 5 stages : stages Delivery (m³ /h) M : m³ /h M : m³ /h 5M : 5 m³ /h M : m³ /h M : m³ /h M : m³ /h M : m³ /h 5M : 5 m³ /h M : m³ /h 9M : 9 m³ /h M : m³ /h M : m³ /h EVAK PUMP TECHNOLOGY CORP.

A-Series HZ AVC / AVI / AVS Feature in-line design /High Efficiency Reliability/Easy Maintenance/Wide Range Mechanical Seals Standard Cartridge type mechanical seal made of Silicon Carbide/ Silicon

The cartridge type mechanical seal can be replaced in minutes without special tools and without dismantling the pump.

Application Irrigation and agriculture Water supply / Light industry pressure boosting / Water treatment Heating, ventilation / air-conditioning List of Materials Q: U: B: Silicon carbide Tungsten

3 A-Series HZ AVC / AVI / AVS Feature in-line design /High Efficiency Reliability/Easy Maintenance/Wide Range Mechanical Seals Standard Cartridge type mechanical seal made of Silicon Carbide/ Silicon Carbide/EPDM or Viton. Based on the type of application, alternative materials are available for the seal and the elastomers. The cartridge type mechanical seal can be replaced in minutes without special tools and without dismantling the pump. Type of Seal Seal Type Mechanical Seals S:Cartridge seal QQ UU QB UB Seals E V AVC AVI AVS Optional Optional Optional Optional Optional Optional Optional Optional Optional Optional Optional Optional Application Irrigation and agriculture Water supply / Light industry pressure boosting / Water treatment Heating, ventilation / air-conditioning List of Materials Q: U: B: Silicon carbide Tungsten carbide Carbon E: V: EPDM Viton AVC AVI AVS The AVC, AVI and AVS pumps are non-self priming vertical multistage pump of in-line design, or with Victaulic coupling with equally sized suction and discharge ports. Stage construction with stainless steel impellers, chambers and pressure casing. Pump stub shaft and motor shaft of the IEC-standards motor are directly close coupled. All pumps are equipped with a cartridge type mechanical seal for easy maintenance. Product Data AVC / AVI /AVS Range Hz Nominal flow (m³/h) Flow range (m³/h) Max. pressure (bar) Fluid temperature ( C) -~+ Motor power (kw) Motor Mains connection phase ( V/Hz ).7-. kw -55/- V Hz - kw -77/- V Hz From kw //v Hz Insulation class Enclosure class Ambient temperature AVC Pipe Connection Flange AVI/S Pipe Connection Flange Victaulic-connections Mechanical Seals Seals DN 5/ DN DN 5/ DN R / DN DN 5/ DN DN 5/ DN R / DN DN 5/ DN DN 5/ DN R / DN >Flange standards : Refer to dimensional drawings DN DN R DN5 F IP 55 Max. +5 C DN 5 DN 5 DN 5 DN 5 R R DN5 DN5 SiC/SiC EPDM:Standard Viton:Optional DN 5 DN 5 DN DN DN DN DN DN Maximum operating and inlet pressures AVC/AVI/AVS Hz Stages Maximum Operating Pressure Stages Maximum Inlet Pressures M M 5M M M M M 5M M 9M (-)-5 (-)-(-) (-)- (5-)-7 (-)- (-)-(5-) (-)- (-) 5bar 5bar 5bar bar 5bar bar 5bar bar 5bar bar bar bar bar bar bar bar bar bar (-)-() (-)-() (7-)-(-) (-)- (-)- (-)-7 (-) -(-) -(5-) (-)-(-) (-)-(-) bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar Rule to follow: The inlet pressure + the pressure against a closed valve < Max. Operating pressure.

4 AVC,AVI,AVS-Series HZ In-line Pumps AVC,AVI,AVS-Series HZ In-line Pumps Motor Data Squirrel cage in short circuit, aluminum casing up to kw, totally enclosed, fan-cooled, -pole standard motor. Standard supply Evak motors up to. kw. Other motor brands for higher powers. Electrical data Enclosure class: IP 55 Insulation class: F Standard voltages: P :.7-. kw x-55/- V P : -kw x-77/- V P : kw x//v The motors have efficiency values that fall within the range normally referred to as high efficiency. Ambient temperature: Max. +5 C Pumped Liquids / / / B B B B B B B B B5 B5 B5 B5 B5 B5 B5 B5 B S 9L 9L L M S M M M L M L L L V V V V V V V V V Recommended H AVC / AVI / AVS Performance Range HZ 5rpm M 5M M M M M M M 5M 9M M M 5 5 Q (L/M). 5 5 Q(m/h)

5 A-Series HZ A-Series HZ Construction AVC-M,M,5M,M,M,M AVI/S-M,M,5M,M,M,M Pos. Name Material AVC-,,5,,,M Construction AVI-,,5,,,M AVS-,,5,,,M Pump head Pump head cover Impeller Shaft Outer Sleeve O-ring for outer sleeve Chamber Neck ring Base Base Base plate Coupling Mechanical seal Cast Iron EPDM PTFE Cast Iron Cast Iron Fe-Cu-C Cartridge type Standard USA ASTM 5B AISI AISI AISI Europe EN-GJL EN-GJL- SINT C AISI ASTM 5B MPIF FC55 Standard Europe USA EN-GJS-5- ASTM AISI. AISI 7 AISI. AISI.. EN-GJL- SINT C AISI AISI ASTM 5B MPIF FC55 Europe Standard USA EN-GJS-5- ASTM AISI. AISI. AISI. AISI.. EN-GJL- SINT C AISI AISI ASTM 5B MPIF FC55

6 EVAK PUMP TECHNOLOGY CORP. A-Series HZ A-Series A-Series 5HZ HZ Vertical in-line Pumps Construction Construction AVC-M,5M,M,9M AVI/S-M,5M,M,9M AVC-M,5M,M,9M AVI/S-M,5M,M,9M A A Construction Pos. Name Material AVC-,5,,9M AVI-,5,,9M AVS-,5,,9M Standard Standard Europe USA Europe USA Europe USA Pump head 5 Motor Bracket Impeller 7 Shaft Outer Sleeve O-ring for outer sleeve Chamber Neck ring 59 Base Base Base plate 57 Mechanical seal Bearing ring Bottom bearing ring Cast Iron Cast iron EPDM Carbon Fiber+POB+PTFE Cast Iron Cast Iron Cartridge type Tungsten carbide EN-GJL-5 ASTM 5B EN-GJL-5 ASTM 5B. AISI 7 AISI. AISI. AISI EN-GJL-5 ASTM 5B Bronze. EN-GJL EN-GJL-5 AISI ASTM 5B AISI AISI AISI AISI AISI ASTM 5B. EN-GJL EN-GJL-5 AISI ASTM 5B AISI AISI AISI AISI AISI ASTM 5B Bronze POB+Graphite+PTFE Pos. Name Material AVC-,M Standard USA A 57 Pump head Motor bracket (~HP) Motor bracket (75~HP) Bearing Impeller Shaft Outer sleeve O-ring for outer sleeve Chamber Neck ring Base Base Base plate Base plate Mechanical seal Bottom bearing ring Cast iron Cast iron Cast iron PTEF EPDM PTFE Cast iron Cast iron Cast iron Cartridge type SIC/SIC Europe EN-GJL-5 EN-GJL-5 EN-GJS EN-GJL-5 EN-GJL-5- ASTM 5B ASTM 5B Europe. EN-GJL-5 AISI ASTM 5B ASTM 5-5- EN-GJS-5- ASTM 5-5- AISI AISI AISI AISI AVI-,M Standard USA. 7.. AISI AISI AISI AISI Construction AVS-,M Standard Europe USA. AISI EN-GJL-5 ASTM 5B EN-GJS-5- ASTM ASTM 5B. AISI. EN-GJL-5- ASTM 5-5- EN-GJL-5- ASTM 5-5- EN-GJL-5- ASTM 5-5- EN-GJL-5- AISI AISI AISI AISI AISI ASTM 5-5- ASTM

7 A-Series HZ A-Series HZ H Performance Curve U.S.GPM 7 5 AVC/I/S - M HZ ISO 99 Annex A Dimensions & Weights AVC-M D 9 7 H G/ G/ Flange(-ANSI-JIS) PN5/DN5/ 9 P [ KW ] Q[m/h] 5 Q[l/min] [ %] P Q[m /h] [ m ] Q[m/h] AVC-M AVC-M AVC-M AVC-M5 AVC-M AVC-M7 AVC-M AVC-M9 AVC-M AVC-M AVC-M AVC-M AVC-M AVC-M7 AVC-M9 AVC-M AVC-M AVC-M5 AVC-M7 G/ P kw H HP D AVC-M

8 A-Series HZ Performance Curve Dimensions & Weights AVI/S-M D Flange(-ANSI-JIS) PN5/DN5/ H U.S.GPM A-Series HZ Performance Curve 5 AVC/I/S - M HZ ISO 99 Annex A G/ G/ 9 7 H Victaulic G/ P Victaulic HP kw H H D AVI/AVS-M AVI/AVS-M AVI/AVS-M AVI/AVS-M5 AVI/AVS-M AVI/AVS-M7 AVI/AVS-M AVI/AVS-M9 AVI/AVS-M AVI/AVS-M AVI/AVS-M AVI/AVS-M AVI/AVS-M AVI/AVS-M7 AVI/AVS-M9 AVI/AVS-M AVI/AVS-M AVI/AVS-M5 AVI/AVS-M AVI/S-M Victaulic P [kw] P Q[m /h] Q[l/min] [%] Q[m /h] Q[m /h]

9 A-Series HZ Dimensions & Weights AVC-M A-Series HZ Dimensions & Weights AVI/S-M D D Flange(-ANSI-JIS) PN5/DN5/ G/ G/ G/ G/ H Flange(-ANSI-JIS) PN5/DN5/ H G/ G/ Victaulic P HP kw H AVC-M AVC-M AVC-M AVC-M5 AVC-M AVC-M7 AVC-M AVC-M9 AVC-M AVC-M AVC-M AVC-M AVC-M AVC-M7 AVC-M9 AVC-M AVC-M AVC-M D AVC-M P Victaulic HP kw H H D AVI/AVS-M AVI/AVS-M AVI/AVS-M AVI/AVS-M5 AVI/AVS-M AVI/AVS-M7 AVI/AVS-M AVI/AVS-M9 AVI/AVS-M AVI/AVS-M AVI/AVS-M AVI/AVS-M AVI/AVS-M AVI/AVS-M7 AVI/AVS-M9 AVI/AVS-M AVI/AVS-M AVI/AVS-M AVI/S-M Victaulic

10 A-Series HZ A-Series HZ H Performance Curve U.S.GPM AVC/I/S - 5M HZ ISO 99 Annex A Dimensions & Weights AVC-5M D 9 P [KW] P Q[m/h] Q[l/min] [%] Q[m/h] Q[m/h] H G/ G/ G/ D Flange(-ANSI-JIS) PN5/DN5/ P HP kw H D AVC-5M AVC-5M AVC-5M AVC-5M5 AVC-5M AVC-5M7 AVC-5M AVC-5M9 AVC-5M AVC-5M AVC-5M AVC-5M AVC-5M AVC-5M AVC-5M AVC-5M AVC-5M AVC-5M AVC-5M D AVC-5M

11 A-Series HZ A-Series HZ Dimensions & Weights AVI/S-5M D Flange(-ANSI-JIS) PN5/DN5/ H Performance Curve U.S.GPM AVC/I/S - M HZ ISO 99 Annex A / G/ Victaulic D 9 G/ P Victaulic HP kw H H D AVI/AVS-5M AVI/AVS-5M AVI/AVS-5M AVI/AVS-5M5 AVI/AVS-5M AVI/AVS-5M7 AVI/AVS-5M AVI/AVS-5M9 AVI/AVS-5M AVI/AVS-5M AVI/AVS-5M AVI/AVS-5M AVI/AVS-5M AVI/AVS-5M AVI/AVS-5M AVI/AVS-5M AVI/AVS-5M AVI/AVS-5M AVI/AVS-5M D AVI/S-5M Victaulic P [KW] P Q[m /h] Q[l/min] [%] Q[m /h] Q[m /h]

12 A-Series HZ Dimensions & Weights AVC-M A-Series HZ Dimensions & Weights AVI/S-M D Flange(-JIS) PN-5/DN D H G/ G/ G/ Flange(-JIS) PN-5/DN D H G/ G/ G/ D Victaulic G/ P HP kw H D AVC-M AVC-M AVC-M AVC-M AVC-M5 AVC-M AVC-M7 AVC-M AVC-M9 AVC-M AVC-M AVC-M AVC-M AVC-M D AVC-M P Victaulic HP kw H H D AVI/AVS-M AVI/AVS-M AVI/AVS-M AVI/AVS-M AVI/AVS-M5 AVI/AVS-M AVI/AVS-M7 AVI/AVS-M AVI/AVS-M9 AVI/AVS-M AVI/AVS-M AVI/AVS-M AVI/AVS-M AVI/AVS-M D AVI/S-M Victaulic

13 A-Series HZ A-Series HZ H Performance Curve U.S.GPM AVC/I/S - M HZ ISO 99 Annex A Dimensions & Weights AVC-M D 9 7 H G/ G/ Flange() PN -5/DN5 D 5 G/ 9 Q[m /h] P [KW].... P Q[l/min] [%] Q[m /h] P HP kw H D AVC-M 9 AVC-M AVC-M 5 9 AVC-M 5 9 AVC-M AVC-M 79 AVC-M7 75 AVC-M 799 AVC-M9 AVC-M 9 7 AVC-M D AVC-M Q[m /h]

14 A-Series HZ A-Series HZ Dimensions & Weights AVI/S-M Performance Curve D Flange(-ANSI-JIS) PN -5/DN5 H U.S.GPM AVC/I/S - M HZ ISO 99 Annex A 7 H G/ G/ D G/ Victaulic G/ 9 5 Q[m /h] P Victaulic HP kw H H D AVI/AVS-M AVI/AVS-M AVI/AVS-M AVI/AVS-M AVI/AVS-M5 AVI/AVS-M AVI/AVS-M7 AVI/AVS-M AVI/AVS-M9 AVI/AVS-M AVI/AVS-M D AVI/S-M Victaulic P [KW] Q[l/min] [%] P Q[m /h] Q[m /h]

15 A-Series HZ A-Series HZ Dimensions & Weights AVC-M Dimensions & Weights AVI/S-M D D Flange(-ANSI-JIS) PN-5/DN5 H G/ G/ G/ Flange() PN-5/DN5 D H G/ G/ G/ Victaulic D G/ P HP kw H D AVC-M AVC-M AVC-M AVC-M AVC-M5 AVC-M AVC-M7 AVC-M AVC-M D AVC-M P Victaulic HP kw H H D AVI/AVS-M AVI/AVS-M AVI/AVS-M AVI/AVS-M AVI/AVS-M5 AVI/AVS-M AVI/AVS-M7 AVI/AVS-M AVI/AVS-M D AVI/S-M Victaulic

16 A-Series HZ A-Series HZ H 7 U.S.GPM Performance Curve 9 AVC/I/S - M HZ ISO 99 Annex A Dimensions & Weights AVC-M H D D G/ G/ PN-5- / DN XØ G/ Ø7 Ø Ø5 P [KW] Q[l/min] [%] P / P / Q[m /h] Q[m /h] Q[m /h] 7 5 Ø7 97 P HP kw H D AVC-M- AVC-M AVC-M- AVC-M- AVC-M AVC-M- AVC-M AVC-M- AVC-M AVC-M5- AVC-M5 AVC-M- AVC-M AVC-M7- AVC-M7 AVC-M- AVC-M AVC-M9- AVC-M9 AVC-M XØ D AVC-M

17 A-Series HZ A-Series HZ Dimensions & Weights AVI/S-M D H 7 Performance Curve U.S.GPM AVC/I/S - 5M HZ ISO 99 Annex A - - H D G/ G/ 7 7 XΦ P HP kw H D AVI/S-M AVI/S-M. 5 9 AVI/S-M AVI/S-M AVI/S-M AVI/S-M- 75 AVI/S-M 75 AVI/S-M- 9 AVI/S-M AVI/S-M5-9 7 AVI/S-M AVI/S-M AVI/S-M AVI/S-M7-7 AVI/S-M7 7 AVI/S-M AVI/S-M AVI/S-M AVI/S-M AVI/S-M G/ PN-5- / DN X D AVI/S-M P [KW] P / P / Q[m /h] Q[l/min] [%] Q[m /h] Q[m /h]

18 A-Series HZ A-Series HZ Dimensions & Weights AVC-5M D Dimensions & Weights AVI/S-5M D D D H G/ G/ PN-5- / DN H G/ G/ PN-5- / DN X G/ G/ 7 5 X P HP kw H D AVC-5M- 5 9 AVC-5M 5 9 AVC-5M AVC-5M AVC-5M 75 AVC-5M AVC-5M AVC-5M AVC-5M AVC-5M AVC-5M AVC-5M AVC-5M AVC-5M AVC-5M AVC-5M AVC-5M AVC-5M AVC-5M AVC-5M D AVC-5M P HP kw H D AVI/S-5M- AVI/S-5M AVI/S-5M- AVI/S-5M- AVI/S-5M AVI/S-5M- AVI/S-5M- AVI/S-5M AVI/S-5M- AVI/S-5M- AVI/S-5M AVI/S-5M5- AVI/S-5M5- AVI/S-5M5 AVI/S-5M- AVI/S-5M- AVI/S-5M AVI/S-5M7- AVI/S-5M7- AVI/S-5M D AVI/S-5M

19 A-Series HZ A-Series HZ H Performance Curve U.S.GPM 5-5 AVC/I/S - M HZ ISO 99 Annex A Dimensions & Weights AVC-M D Flange () PN5- / DN - - G/ - - H D - G/ G/ Flange () PN / DN - - G/ P [KW] 5 P / P / Q[m /h] Q[l/min] [%] Q[m /h] P HP kw H D AVC-M- AVC-M AVC-M- AVC-M- AVC-M AVC-M- AVC-M- AVC-M AVC-M- AVC-M- AVC-M AVC-M D 5 5 AVC-M Q[m /h]

20 A-Series HZ A-Series HZ Dimensions & Weights AVI/S-M Performance Curve D Flange () PN5- / DN H U.S.GPM 5 7 AVC/I/S - 9M HZ ISO 99 Annex A G/ - - D - H G/ G/ Flange () PN / DN - - G/ - P HP kw H D AVI/S-M- AVI/S-M AVI/S-M- AVI/S-M- AVI/S-M AVI/S-M- AVI/S-M- AVI/S-M AVI/S-M- AVI/S-M- AVI/S-M AVI/S-M D 5 5 AVI/S-M P [KW] Q[m³/h] 5 5 Q[l/min] [%] P / P / Q[m³/h] Q[m³/h]

21 A-Series HZ A-Series HZ Dimensions & Weights AVC-9M Dimensions & Weights AVI/S-9M Pump type AVC-9M- AVC-9M AVC-9M- AVC-9M- AVC-9M AVC-9M- AVC-9M- AVC-9M AVC-9M- HP Motor P kw Dimension (mm) H D D AVC-9M Pump type AVI/S-9M- AVI/S-9M AVI/S-9M- AVI/S-9M- AVI/S-9M AVI/S-9M- AVI/S-9M- AVI/S-9M AVI/S-9M- HP Motor P kw Dimension (mm) H D D AVI/S-9M

22 A-Series HZ A-Series HZ Performance Curve H U.S.GPM AVC/I/S - M HZ ISO 99 Annex A Dimensions & Weights AVC-M D - H - - H D - G / G / Flange () PN5- / DN G / Q[m³/h] P [KW] P / P / Q[l/min] [%] Q[m³/h] Q[m³/h] Pump type AVC-M AVC-M- AVC-M- AVC-M AVC-M- AVC-M AVC-M- AVC-M5- HP Motor P kw Dimension (mm) H H D D AVC-M

23 A-Series HZ A-Series HZ Dimensions & Weights AVI/S-M D H Performance Curve U.S.GPM 5 7 AVC/I/S - M HZ ISO 99 Annex A - H - H D - G / G / Flange () PN5- / DN - G / Q[m³/h] Pump type AVI/S-M AVI/S-M- AVI/S-M- AVI/S-M AVI/S-M- AVI/S-M AVI/S-M- AVI/S-M5- HP Motor kw P 75 7 Dimension (mm) H H D D AVI/S-M Q[l/min] P [KW] [%] P / P / 5 Q[m³/h] Q[m³/h]

24 A-Series HZ A-Series HZ Dimensions & Weights AVC-M Dimensions & Weights AVI/S-M D D Flange () PN5- / DN H H D H D G / G / Flange () PN5- / DN G / G / G / - G / H Pump type AVC-M- AVC-M AVC-M- AVC-M- AVC-M AVC-M- AVC-M AVC-M- HP Motor kw P AVC-M Dimension (mm) Pump type Motor Dimension (mm) P H H D D HP kw H H D D AVI/S-M- AVI/S-M AVI/S-M- AVI/S-M- AVI/S-M AVI/S-M- AVI/S-M AVI/S-M AVI/S-M

AVC/AVI/AVS M,M,5M Coupling adjustment A-Series HZ Install Mechanical Seals AVC/AVI/AVS M,5M,M,9M Coupling adjustment Troubleshooting Fault. Pump does not run when the motor starter is activated.

. The pump starts up but, after a period of time, the thermal protector trips. protector trips out or the fuses blow. Possible cause a. Supply failure or no power supply. b. Main contacts in motor starter are not making contact or the motor coils are defective c.

25 AVC/AVI/AVS M,M,5M Coupling adjustment A-Series HZ Install Mechanical Seals AVC/AVI/AVS M,5M,M,9M Coupling adjustment Troubleshooting Fault. Pump does not run when the motor starter is activated.. Starter overload trips immediately when the power is switched on.. The pump starts but, after a short time, the thermal protector trips out or the fuses blow.. The pump starts up but, after a period of time, the thermal protector trips. protector trips out or the fuses blow. Possible cause a. Supply failure or no power supply. b. Main contacts in motor starter are not making contact or the motor coils are defective c. Pump or auxiliary circuits protection fuses blown. d. Pump or piping system may be obstructed causing a jam. e. Motor may have failed. f. Motor protector or thermal relay has tripped out. g. Tripping of anti-dry running protection. a. Overload setting is too low. b. The cable connection is loose or faulty. c. One fuse is blown. d. Pump is jammed by an obstruction e. Contacts in overload are faulty. f. The motor winding is defective. g. Low voltage (Especially at peak time). a. The voltage is not within the motor s operating limits. b. The control panel is situated in an excessively heated area or is exposed to direct sunlight. c. A phase in the power supply is missing. a. Worn motor bearings causing motor to overheat. b. The pump s delivery rate is higher than the specified rate on the pump nameplate. c. There are obstructions inside the pump or pumping system. d. Less viscous liquids may cause the motor to work too hard and overload the motor, causing the motor to overheat. Possible solution Check connections or restart the power supply. Reconnect or replace contacts or magnetic coil. Replace fuses. Clean the obstruction and restart pump. Replace the motor. Reset the motor or thermal protector. Check the water level in the tank or the water system pressure. If everything is in order, check the protection device and its connection cables. Set the motor starter correctly. Fasten or replace the cable connection. Replace fuse and try starting again. Check and clean obstruction from system. Replace motor starter contacts. Replace the motor. Check the power supply. Check the operating conditions of the pump. Protect the control panel from heat sources and from the sun. Check the power supply. Replace motor bearings. Partially close the on-off valve located discharge side until the delivery rate returns to within the specified limits. Disassemble and clean the pump and piping. Check the actual power requirements based on the characteristics of the liquid being pumped, and replace the motor accordingly. AVC/AVI/AVS M,M,M Coupling adjustment 5. Pump runs but no water delivered.. The pump capacity is not constant. a. Pump is not primed with liquid. b. The pump, suction or discharge pipes are blocked by solids in the liquid being pumped. c. The foot or check valve is blocked or has failed. d. The suction pipe leaks. e. The air is in the suction pipe or pump. f. Motor operating in wrong direction (three-phase motor) a. The pump draws in air or the inlet pressure is too low. b. The pump or the suction side of the piping system partly blocked by foreign bodies. Fill the pump with the liquid to be pumped. Clean the pump, suction or discharge pipe. Replace the foot or check valve. Repair or replace the suction pipe. Remove trapped air from system. Change the direction of rotation of the motor by reversing motor connections. Improve the suction conditinos. Clean the pump or suction pipe. 7. The system's general protection cuts in.. The pump rotates in the wrong direction when switched off. 9. The frequency of Pump start-up is too high.. Vibration and noise Short circuit. a. The foot or the check valve has failed. b. Leakage in the suction pipe. a. Leakage in the foot valve, check valve or system. b. Ruptured membrane or no air pre-charge in surge tank. a. Cavitation b. Make sure that pump and motor shafts are properly aligned. c. Worn motor bearings. d. Operation with frequency converter. e. Check vibration and noise damping devices Check electrical system. Check and replace check valve. Repair or replace the suction pipe. Repair or replace the components. See relevant instructions in surge tank s manual. Reduce the required flow or improve the operating conditions of the pump (suction conditions, head, flow resistance, liquid temperature, viscosity etc.). Adjust the pump and/or motor shafts. Replace the bearings or the motor. Consult a qualified engineer form the supplier of the frequency converter. Replace vibration & noise dampers, if worn.

26 A-Series HZ A-Series HZ Nameplate 7 5 Model : Type : Supply : V HZ Phase P : KW HP F.L.A. : H : m Hmax : m Q : m /h bar/ C : n : min - pmax / Tmax : S.No.: pumps & pumps Evak Pump Technology Corp. Made in Taiwan Weight : KG 9.Pump Model.Pump Type.Rated Power.Eletric Current 5.Speed.Maximum Head 7.Rated Capacity.Rated Head 9.Maximum Operating Pressure.Rotating Direction.Serial Number 5

A Series 50HZ. A - Series. Vertical Multistage Centrifugal in-line Pumps AVC/AVI/AVS ISO-9001

A Series 50HZ. A - Series. Vertical Multistage Centrifugal in-line Pumps AVC/AVI/AVS ISO-9001 A - Series A Series ISO-9 AVC/AVI/AVS HZ Evak Pump Technology Corp. No., Zhongshan Rd., Qingshui Township, Taichung County, Taiwan. Tel : +-- Fax: +--9 www.evak-pumps.com Vol. PIAV- A-Series Index Pump