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Stuart Turner 28474, Руководство по установке

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SECTION 5 - PRESSURE SWITCH REPLACEMENT

The parts required to replace the pressure switch are:
  ITEM 

QTY ITEM 

QTY

 

19  Rubber Washer (G ½ ") 

  1 

22  Pressure Switch 

  1

 

21  Bonded Seal 

  1 

23  Screws, Self Tapping 

(K40 x 16 mm)

 

  4

• 

PRESSURE SWITCHES

Number        Used on Monsoon Negative Pumps

19784 

N1.5 / N2.0 bar Twins

19785 

N2.0 / N3.0 bar Twins, N2.0 / N3.0 bar Single

• 

WIRING DIAGRAMS

N

S1

S2

S2

S3 S3

MAIN WINDING

THERMOTRIP

CAPACITOR

START WINDING

FLOWSWITCH
REED (S3)

BLUE

BROWN

BL

AC

K

RE

D

GREEN/

YELLOW

BLUE

BROWN

L

M

N

N

S2 S3 S3 S2

L

E

N

FLOWSWITCH
REED (S2)

S1

S1

PRESSURE
SWITCH (S1)

230 VAC/1PH/50Hz
SUPPLY

S1

Fig. 28 Twin

Part number 
location

Fig. 27

MAIN WINDING

THERMOTRIP

CAPACITOR

START WINDING

FLOWSWITCH
REED (S3)

BLUE

BROWN

BLA

CK

RED

GREEN/
YELLOW

BLUE

BROWN

L

M

N

N

S3 S3

L

E

N

S1

S1

PRESSURE
SWITCH (S1)

S1

S2

S2

S3 S3

S1

230 VAC/1PH/50Hz
SUPPLY

Fig. 29 Single

Содержание 28474

Страница 1: ...ip 4 Section 1 Rotary seal 5 Section 1 Seal Counterface 6 Section 1 O ring ID 66 4 mm 1 Sections 1 6 Screws M6 x 35 mm 28 Section 4 Reed switch 23 Sections 2 3 5 Screws K40 x 16 mm 29 Section 4 Strain...

Страница 2: ...2 26 Adhesive Foam Pad 1 11 Non Return Valve Assembly 2 27 Reed Switch Tie Wrap 2 12 O Ring ID 21 mm 2 28 Reed Switch 2 13 O Ring ID 19 mm 2 29 Strain Relief Bush 3 14 Screws M4 x 16 mm 4 30 Applicato...

Страница 3: ...asher G 1 5 Seal Counterface 1 21 Bonded Seal 1 6 O Ring ID 66 4 mm x 1 78 mm c sec 1 27 Reed Switch Tie Wrap 2 7 Woodruff Key 1 30 Seal Applicator Tool not shown 1 8 Thrower 1 DISASSEMBLY To access t...

Страница 4: ...nts along with the serviceable parts Fig 4 10 A A Flow switch transfer pipe pressure vessel assembly Fig 3 20 19 17 18 27 17 21 22 15 16 14 13 28 11 9 12 1 3 5 2 4 6 8 7 17 20 19 17 21 22 17 13 28 14...

Страница 5: ...val of the impeller To overcome this two screwdrivers can be used to gently lever the impeller away from the shaft as detailed Fig 5 ensuring equal pressure is applied to each side of the component to...

Страница 6: ...locating the Circlip item D in the groove and pushing it into position Fig 9 WARNING Do not install the circlip onto full shaft diameter it must only be located in the groove REASSEMBLY Reassembly of...

Страница 7: ...ical supply before fitting replacement part Replacing the capacitor should only be carried out by a competent person The supply cord and internal wiring within the terminal box are routed and secured...

Страница 8: ...apacitor must be connected secured and positioned as detailed Figs 13 14 Secure terminal box lid screws to a torque of 0 8 Nm item 23 IMPORTANT NOTE For correct pump rotation ensure both blue wires ar...

Страница 9: ...ter starvation condition remains present the pump will then stop operation after a 1 minute period 4 The pump will remain in the off condition for a period of 5 minutes 5 The pump will then re start a...

Страница 10: ...en to 0 8 Nm DISASSEMBLY Isolate electrical supply before fitting replacement part Replacing the PCB should only be carried out by a competent person The supply cord and internal wiring within the ter...

Страница 11: ...arth wire and cup washer Item D Disconnect all wiring from terminal blocks on printed circuit board PCB Item 25 Remove two M4 nuts item A and carefully lift PCB Item 25 away from terminal box Damaged...

Страница 12: ...aving the installation unattended REASSEMBLY Reassembly is the reverse of the disassembly instructions with the new replacement parts fitted as required Note For correct installation the capacitor mus...

Страница 13: ...nsure compliance with the electrical standard EN 60335 1 It is essential that prior to any disturbance of this internal wiring all cable routing and securing details are carefully noted to ensure reas...

Страница 14: ...sh into the base of the terminal box ensuring the bush is fully seated into its location Connect the two reed switch wires to the PCB Figs 21 22 For correct operation of the flow switch the reed must...

Страница 15: ...n Fig 26 INITIAL OPERATING INSTRUCTIONS Consult instruction manual for commissioning instructions Do not run pump dry Allow the water to be pumped to enter the pump body thus ensuring the seal is lubr...

Страница 16: ...ins N2 0 N3 0 bar Single WIRING DIAGRAMS N S1 S2 S2 S3 S3 MAIN WINDING THERMOTRIP CAPACITOR START WINDING FLOWSWITCH REED S3 BLUE BROWN BLACK RED GREEN YELLOW BLUE BROWN L M N N S2 S3 S3 S2 L E N FLOW...

Страница 17: ...ution and is intentional Unscrew pressure vessel and remove rubber washer Remove four screws item 23 and carefully remove terminal box lid Fig 30 Note the cable routing within the terminal box Figs 28...

Страница 18: ...new replacement parts fitted as required Pressure switch item 22 to be tightened to a torque of 7 8 Nm Secure two cable clamp screws item 23 and four terminal box lid screws to a torque of 0 8 Nm Fig...

Страница 19: ...ASSEMBLY To access the NRV the flow switch body assemblies must first be removed Fig 32 Please refer to the following dependant on pump Note The NRV is part of the flow switch body assemblies see Figs...

Страница 20: ...ll re used parts are clean and new replacement parts fitted as required Secure flow switch manifold clamp screws to a torque of 1 5 Nm item 9 INITIAL OPERATING INSTRUCTIONS Consult instruction manual...

Страница 21: ...ITEM QTY 19 Rubber Washer G 1 20 Pressure Vessel 0 6 litre 1 DISASSEMBLY Rotate the pressure vessel as shown to unscrew Fig 35 Remove rubber washer from manifold body Fig 36 Damaged components must be...

Страница 22: ...t to 5 6 Nm torque Fig 37 INITIAL OPERATING INSTRUCTIONS Consult instruction manual for commissioning instructions Do not run pump dry Allow the water to be pumped to enter the pump body thus ensuring...

Страница 23: ...Stuart Turner for advice on replacements not supplied with kit REASSEMBLY Reassembly is the reverse of the disassembly instructions with the new replacement parts fitted as required INITIAL OPERATING...

Страница 24: ...TING INSTRUCTIONS Consult instruction manual for commissioning instructions Do not run pump dry Allow the water to be pumped to enter the pump body thus ensuring the seal is lubricated before switchin...

Страница 25: ...25...

Страница 26: ...26...

Страница 27: ...27...

Страница 28: ...Stuart Turner Ltd Henley on Thames Oxfordshire RG9 2AD ENGLAND Tel 44 0 1491 572655 Fax 44 0 1491 573704 info stpumps co uk www stuart turner co uk Issue No 1716 1 03 Pt No 20017...

Страница 29: ...Showers Power Showers Smart Showers Shower Towers From Top Shower Brands Mira Showers Aqualisa Showers Triton Showers Gainsborough Showers Shower Pumps can upgrade your showering experience even more...

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