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Servicing - Inlet Valve

Helplines

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Maintenance & Spare Parts Instructions 

Wash seal to remove any dirt and inspect 

for damage.

Remove seal from Cap Assembly.

Replace seal onto cap assembly.

If necessary replace cap & Seal (Spare Part 

Kit 687 049)

Push & rotate to re-attach cap assembly, 

re-clip Adjustment Screw and refit into 

cistern.

Adjustment

Screw

To clean and inspect seal

:

unclip the Adjustment Screw, rotate & pull 

to remove cap assembly.

To replace complete Inlet Valve

:

rotate nut & pull to disconnect it from the 

Bracket. 

Seal

Cap 

Assembly

Bracket 

Inlet  

Valve

• 

Inlet Valve is slow to fill OR fails to open  ►  Ensure tap is open.

• 

Inlet Valve fails to close  ►  Clean & inspect seal as described above, replace Cap Assembly 

     

   

     & Seal if damaged.

• 

If any other issues arise  ►  Consult a plumber or Caroma After Sales Service.

• 

Inlet Valve Seal may require periodic cleaning (dependant on water quality).

 

- procedure as defined below.

Servicing Requirements

Troubleshooting Guide

• 

Caroma Invisi II Inlet Valve compatible Spare Part Kits are:

 

 687 171 

Containing - 

1 x Complete Unifill Inlet Valve

 

 

 

 

       

with bayonet connection

 

 

 687 049 

Containing - 

1 x Cap Assembly

 

 

    

 

    - 

1 x Seal

 

Refer to     - 

Maintenance & Spare Parts Instructions

 

Spare Parts Information

Cap Assembly

Seal

Ensure mains water is turned off and 

remove Inlet Valve from cistern as per the 

instructions on page 17. 

   18

Summary of Contents for Invisi Series II

Page 1: ...urinal concealed cistern 237002 Installation must be in Accordance with AS NZS 3500 1 ...

Page 2: ...tall Installations Three Stall Installations Installing the Cistern 237 002 Inwall Access stud wall Inwall Access masonry wall Induct Access In Ceiling Access Custom Panel Access Access Panel Variations Remote Mounting Box Installation Preparation for Fitout Removing Internal Components through Access Window Servicing Inlet Valve Servicing Outlet Valve Important Notices Helplines 3 3 4 5 5 6 7 8 9...

Page 3: ...ts Copper Adaptor Remote Mounting Box 4m of Pneumatic Tube Cistern Fixing Pack REQUIREMENTS 90mm Min Inwall Cavity Depth 400mm Min 420mm Max Cavity Width e g between studs 1 2 inch BSP Water Connection Preparation for Fitout Installing the Cistern Select Cistern Service Access Options Check Installation Requirements Select Button Service Access Options Flush Volume Stall Setup ...

Page 4: ...ws access to the whole cistern or access to cistern internals through the panel window depending on installation Standard installation will require the supplied Remote Mounting Box Refer to page 14 for remote button panel installation Optional Top Access will require the access panel to be converted refer to page 14 Large Panel Access This allows access to the whole cistern Standard installation r...

Page 5: ... it can leave the cistern never empties the outlet valve remains open and the cistern runs on The flush volume required for each urinal stall is 1 5 2 5 litres This amount of water passes relatively slowly through the spreader system of some urinals as slow as 2 litres min which is normally slower than the cistern refill rate If a urinal installer does not consider this issue it is possible that c...

Page 6: ...e factory The pneumatic tube must be connected to the full flush position By adjusting the water level in the cistern up or down using the float adjustment screw located on the side of the inlet valve the flushing volume may be fine tuned or reconfigured to any of the following flush volumes 2 3L Single Stall Urinal 1 8L Single Stall Urinal 1 3L Single Stall Urinal 0 8L Single Stall Urinal Full Fl...

Page 7: ...sion instructions adjacent The water level in the cistern must then be set to the WL mark using the float adjustment screw located on the side of the inlet valve The pneumatic tube must be connected to the full flush position Full Flush Position Configuring Flush Volume Remove Outlet Valve refer to page 17 Using a screw driver lever the bucket hangers over the hooks allowing it to sit level with t...

Page 8: ... conversion instructions adjacent The water level in the cistern must then be set to the 1 8L water level mark using the float adjustment screw located on the side of the inlet valve The pneumatic tube must be connected to the full flush position Full Flush Position Configuring Flush Volume Remove Outlet Valve refer to page 17 Using a screw driver lever the bucket hangers over the hooks allowing i...

Page 9: ...lting height on the stud This is your datum and flush pipe centre line 2 Screw cistern to studs via the 2 front top and bottom holes in each mounting bracket making sure the water connection fitting is on the left hand side of cistern 3 Fabricate flush pipe using the Copper Adaptor provided 4 Lubricate O Ring on cistern tail using soapy water and slide flush pipe on 5 Connect the water supply 6 Re...

Page 10: ...ing height on the wall This is your datum and flush pipe centre line 2 Confirm size and positioning of opening as shown is relative to your datum 3 Screw cistern to wall via the 2 front top and bottom holes in each mounting bracket making sure the water connection fitting is on the left hand side of cistern 4 Fabricate flush pipe using the Copper Adaptor provided 5 Lubricate O Ring on cistern tail...

Page 11: ...ight on the stud This is your datum and flush pipe centre line 2 Fabricate flush pipe using the Copper Adaptor provided 3 Drill suitable diameter hole s through the wall for the flush pipe s 4 Lubricate O Ring on cistern tail using soapy water and slide flush pipe on so that it is protruding in the opposite direction from that of the Service Access Box 5 Place the flush pipe through hole and secur...

Page 12: ...e the inlet height of the selected urinal 2 Calculate the finished floor height allowing for floor gradings and tile thickness etc and add this to the known height of the selected urinal s inlet Mark this resulting height on the stud This is your datum and flush pipe centre line 3 Screw cistern to studs via the 2 front top and bottom holes in each mounting bracket making sure the water connection ...

Page 13: ...50mm 195mm 90mm 100mm Min 195mm 90mm 1 The design of the custom panel is limited only by the designers imagination 2 Cistern must be mounted using the attached Mounting Brackets Refer to appropriate installation method on previous pages 3 Allowances for access to at least the cistern internals if not the entire cistern must be incorporated into the design 4 Check cistern and all joints for leaks 5...

Page 14: ... lid ensuring the overhang tab is to the rear of the cistern and it locks into position The Panel and Access Box should lock together neatly as shown Access Box with Dust Cover click click Front Cover supplied loose Top Cover The Cistern is supplied standard with Front Access For conversion from Front to Top Access follow this procedure clips Clips 14 1a The Remote Mounting Box can be fixed to tim...

Page 15: ... tuck neatly back inside the Mounting Box When finishing the wall clad and tile right up to the edge of the Access Window and or Remote Mounting Box Attach the tube to the cistern as shown above Tuck neatly back inside the Access Window and clip the dust cover panel back into position When finishing the wall clad and tile right up to the edge of the Access Window Firmly connect the pneumatic tube ...

Page 16: ...10 15mm from the front face of the Dust Cover Panel Apply tape over end of tube to prevent any dirt from getting inside and tuck neatly back inside the large Access Window Attach the tube to the cistern as shown above Break out tab in the Top Panel or Dust Cover Panel to allow the Tube to protrude and clip back into position Feed Pneumatic Tube through the framework and out through the Drilled Hol...

Page 17: ...ll Flush Disconnect Flexible Hose from the Inlet Valve and the Ball Valve Lift tab and slide the Inlet Valve Bracket to the left Remove the Bridge Assembly by squeezing tabs front and back to disengage from locking tabs inside the tank Lift the Outlet Valve to disengage from guide ribs in the base of the tank and lay over on it s side Rotate and remove the Inlet Valve Lift the Outlet Valve from th...

Page 18: ...let Valve Inlet Valve is slow to fill OR fails to open Ensure tap is open Inlet Valve fails to close Clean inspect seal as described above replace Cap Assembly Seal if damaged If any other issues arise Consult a plumber or Caroma After Sales Service Inlet Valve Seal may require periodic cleaning dependant on water quality procedure as defined below Servicing Requirements Troubleshooting Guide Caro...

Page 19: ...d replace if necessary If short flushing Check pneumatic tube is pushed into the bridge and button If any other issues arise Consult a plumber or Caroma After Sales Service Troubleshooting Guide Caroma Invisi II Outlet Valve compatible Spare Part Kits are 237 173 Containing 1 x Complete Urinal Outlet Valve 237 070 Containing 10 x Diaphragm Seal Refer to Maintenance Spare Parts Instructions Spare P...

Page 20: ...Supply pressure minimum 30 kPa Maximum 1000 kPa Leaflet No 237 502 E Caroma Industries Limited www caroma com au ABN 35 000 189 499 www smartflush com au Locked bag 5005 Baulkham Hills NSW 2153 www caromausa com Australia 131416 New Zealand 09 279 2700 USA 1800 605 4218 ...

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