Stuart Turner MONSOON EXTRA S1.4 bar SINGLE Installation Instructions Manual
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INSTALLATION INSTRUCTIONS
SERVICE KIT -
25 Adhesive
foam pad
(not shown)
26 Screws
(3.5 x 12 mm)
Fig. 1
Additional Parts
U1.4 only - see Sections 2, 3 & 4
11 Reed switch tie
wrap
15 'O'-ring
(ID 13.6 mm)
18 Pressure
vessel (0.6 litre)
19 Pressure switch
Fig. 2
MONSOON EXTRA S1.4 bar SINGLE Part No.
-
MONSOON EXTRA U1.4 bar SINGLE Part No.
23 Capacitor
(not shown)
3 'O'-ring
(ID 101.4 mm)
2 'O'-ring
(ID 6.07 mm)
17 Rubber washer
(OD 18 mm)
20 1/8 seal
OR
21 'O'-ring
(ID 10.1 mm)
29 PCB (not shown)
1 Thrower washer
6 Plastic
spacer
27 Screws
7 Stainless washer
(M6 x 35 mm)
13 Grub screws
(M4 x 4 mm)
24 Reed switch
14 'O'-ring
(ID 29.1 mm)
22 Non-return valve
assembly
10 or 16
28454
28455
All Models - see Sections 1 & 5
4 Seal counterface
5 Rotary seal
8 M8 locknut
7
S1.4 only - see Sections 2 & 4
11 Reed switch
tie wrap
10 Fibre washer
(OD 38 mm)
OR
16 'O'-ring (ID 35.1 mm)
Fig. 3
9 'O'-ring
(ID 8 mm)
28 Screws
(M6 x 16 mm)
10 or 16
24 Reed switch
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Summary of Contents for Stuart Turner MONSOON EXTRA S1.4 bar SINGLE
- Page 1 INSTALLATION INSTRUCTIONS SERVICE KIT - 28454 MONSOON EXTRA S1.4 bar SINGLE Part No. 28455 MONSOON EXTRA U1.4 bar SINGLE Part No. All Models - see Sections 1 & 5 23 Capacitor (not shown) 25 Adhesive 29 PCB (not shown) foam pad...
- Page 2 ‘O’-Ring (ID 13.6 mm) Check to see that you have all the above items and that they are not damaged. If any damage is found contact Stuart Turner Ltd within 24 hours of receipt. • PUMP PREPARATION To prepare the pump to accept the service kit parts, each pump part must be removed noting its exact position and sequence (Figs.
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Page 3: Section 1 - Mechanical Seal Replacement
SECTION 1 - MECHANICAL SEAL REPLACEMENT The parts required to replace the seal are: ITEM ITEM Thrower Washer Stainless Washer ‘O’-Ring M8 Locknut (ID 6.07 mm) ‘O’-Ring ‘O’-Ring (ID 101.4 mm) (ID 8 mm) Seal Counterface Applicator Tool (not shown) Rotary Seal Assembly Screws (M6 x 35 mm) -
Page 4: Section 2 - Non-Return Valve/Pressure Vessel Replacement
The NRV body assembly (item 22) can now be unscrewed from the pump head, noting the position of ‘O’-ring (item 10 or 16). Clean all parts that are to be re-used. Damaged components must be replaced. Contact Stuart Turner Ltd for replacements not supplied with kit. Cont ... - 4 -... - Page 5 • ASSEMBLY Assembly is the reverse of the disassembly method. Pressure vessel to be hand tightened. Grub screws torque setting - 2.2 Nm • PRESSURE VESSEL REPLACEMENT/CHARGE Should ever the need arise for the vessel (item 18) to be replaced or have its air charge checked or replenished, it should be carried out as follow:- a) Isolate pump electrically.
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Page 6: Section 3 - Pressure Switch Replacement
Damaged components must be replaced. Contact Stuart Turner for replacements not supplied with kit. Using a suitable open ended spanner (apply to brass switch part only), rotate the pressure switch anticlockwise. - Page 7 • WIRING DIAGRAM MAIN WINDING BLUE THERMOTRIP CAPACITOR START WINDING BLUE BROWN 230 VAC/1PH/50Hz GREEN / YELLOW SUPPLY FLOWSWITCH REED (S3) PRESSURE SWITCH (S1) Fig. 10 • INITIAL OPERATING INSTRUCTIONS 1. Turn on water supply, prime and vent the pump via the vent plug. Unscrew slowly until liquid emerges, then re-tighten.
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Page 8: Section 4 - Reed Switch Replacement
ITEM ITEM Reed Switch Tie Wrap Screws (3.5 x 12 mm) Reed Switch • WIRING DIAGRAMS Fig. Pump Eire Monsoon Extra S1.4 bar Single ü ü Monsoon Extra U1.4 bar Single ü ü BLUE MOTOR CAPACITOR 230 VAC/1PH/50Hz SUPPLY BLUE... - Page 9 • Remove the existing reed switch by cutting the securing tie wrap and pulling away from the body Fig. 14. Damaged components must be replaced. Contact Stuart Turner for advice on replacements not supplied with kit. Cont ... - 9 -...
- Page 10 • REASSEMBLY Reassembly is the reverse of the disassembly instructions with the new replacement parts fitted as required. Secure cable clamp screws and terminal box lid, to a torque of 0.8 Nm. Note: For correct operation of the flow switch, the reed must be secured to the body as detailed below.
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Page 11: Section 5 - Capacitor Replacement
IMPORTANT: Take note of capacitor wiring connection and colours before removal. Disconnect and remove capacitor (item 23) and foam securing pad (item 25), make note of pad fitted position. Damaged components must be replaced. Contact Stuart Turner for advice on replacements not supplied with kit. Cont ... - Page 12 • REASSEMBLY Reassembly is the reverse of the disassembly instructions, with new replacement parts fitted as required. Note: For correct installation the capacitor must be connected, secured and positioned as detailed (Figs. 19, 20 & 21). Secure terminal box lid screws to a torque of 0.8 Nm (item 26). IMPORTANT NOTE: For correct pump rotation, ensure both blue wires are connected to the linked capacitor terminals as shown.
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Page 13: Section 6 - Printed Circuit Board Replacement
SECTION 6 - PRINTED CIRCUIT BOARD REPLACEMENT The parts required to replace the printed circuit board are: ITEM ITEM Adhesive Foam Pad Printed Circuit Board Screws, Self Tapping (3.5 x 12 mm) Note: - When fitted this printed circuit board will detect the following fault conditions: •... - Page 14 To view the light the following procedure must be followed:- • Isolate the mains electrical power supply from the pump. • Remove the four screws (item 26) retaining the terminal box lid (Fig. 22). • Lift the terminal box lid off. •...
- Page 15 Disconnect all wiring from terminal blocks on printed circuit board (PCB item 29). • Remove two M4 nuts (item B) and carefully lift PCB (item 29) away from terminal box. Damaged components must be replaced. Contact Stuart Turner for advice on replacements not supplied with kit. Cont ...
- Page 16 Carefully check pump and pipework for leaks whilst pump running and stationary before leaving the installation unattended. Stuart Turner Limited reserves the right to amend specifications without notice. Stuart Turner Ltd, Henley-on-Thames, Oxfordshire RG9 2AD ENGLAND Tel: +44 (0) 1491 572655, Fax: +44 (0) 1491 573704 info@stpumps.co.uk...
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