Bristan Joy ThermoSafe JOYT385 W Installation Instructions And User Manual Download Page 21

Troubleshooting

Symptom

Likely Cause/s

Action/Remedy

No water flow.

Water isolating valve in off position.
Filter blocked. 

Outlet hose mesh filter blocked. 

Power supply not on.

Turn on.
Turn off water supply, remove filter  

and clean.
Remove the outlet hose from the shower, 

remove mesh filter and clean. 
Turn on.

Water temperature too 

hot.

Insufficient water flowing  

through the shower.

Clean the handset.
Increase the flow by adjusting the temperature 

control knob to cooler setting.
Reduce the power setting.

Shower runs hot and cold  

during use.

Water pressure is at minimum requirement.

Check running pressure (minimum of 0.7bar). 

Wait until pressure increases.

Shower temperature 

cycles between hot and 

cold.

Shower temperature is set too high causing 

the thermal cut out to turn off the heating 

elements to reduce the water temperature.

Turn shower temperature control anti-clockwise 

to reduce the water temperature.

Water from pressure relief 

outlet-PRD activated.

Obstruction in hose or handset.

Call Customer Services.

Letters ‘LP’ appear in 

temperature indicator 

display.

Low Pressure water supply to shower unit.
 

Low water flow through shower handset.

Turn off unit and wait until water pressure 

increases before using again.
Increase water flow rate by turning temperature 

control to cooler setting.

Error code ‘E1’ appears 

in temperature indicator 

display.

Outlet water temperature thermistor faulty.

Call Customer Services.

Letters “CL” appear in 

the temperature indicator 

display

A reminder to routinely service-clean the 

shower to maintain showering performance - 

will show for five shower cycles.

Perform the maintenance actions in the 

Maintenance Section, cleaning the Showerhead, 

Inlet Filter and Outlet Hose Mesh Filter

Symbols “--” appear in 

the temperature indicator 

display

Indicates the unit is in Stand-By mode, the 

shower is powered and ready to start.

Shower is ready to use.

Cleaning the Inlet Filter

Periodically remove the inlet filter and rinse under clean 

running water. First isolate the electrical and water supply to 

the unit. 

To remove:

 Turn anti-clockwise using a large flatblade 

screwdriver. 

Note:

 A small amount of water will be discharged when the 

filter is removed - this is normal. 

To clean: 

Wash under clean running water. Refit the filter 

and gently tighten. 

Cleaning the Outlet Hose Mesh Filter

Periodically remove the outlet hose from the shower and 

clean by rinsing the mesh filter under cold running water. 

Refit the mesh filter and re-connect the outlet hose.

Filter

21

Need help? 

Give us a call on 

0330 026 6273 

and speak to one of our trained advisors.  

Maintenance

Summary of Contents for Joy ThermoSafe JOYT385 W

Page 1: ...OYT385 MS JOYT395 W JOYT395 MS Please keep this booklet for future reference Installer when you have read these instructions please ensure you leave them with the user Installation Instructions and Us...

Page 2: ...ns are for your guidance to a safe and successful installation which we recommend is carried out by a suitably qualified person and must conform with current I E E Wiring Regulations BS7671 and Buildi...

Page 3: ...roughly and retain for future use All products manufactured and supplied by Bristan are safe provided they are installed used correctly and receive regular maintenance in accordance with these instruc...

Page 4: ...t has been designed to be modified by the installer Fit only shower heads recommended by the manufacturer You must not fit a water saving handset whereby the flow of water can be restricted or turned...

Page 5: ...t the water within the water heater and the whole cycle will repeat itself until the temperature is manually reduced Warm Up Mode The light around the STOP START Button will flash as the water heats u...

Page 6: ...tom Right hand side Bottom Rear bottom Operating Pressures Minimum working pressure 0 07 MPa 0 7 bar Maximum working pressure 1 0 MPa 10 bar Static pressure range 0 1 0 MPa 0 10 bar Supply Requirement...

Page 7: ...must not be connected to a ring main spur power socket or lighting circuit If you don t have a spare fuse way or the rating at the main fuse box is below 80A you should seek advice from an electricia...

Page 8: ...derating factors On installation of the appliance the impedance measurement of the Neutral and Earth back to the supply source is to be less than 1 0 Ohms This is in line with the general installatio...

Page 9: ...e spill over level of the bath or shower tray or other fixed appliance If a showerhead can sit within a bath basin or shower tray you must fit a double check valve in the supply pipe work to prevent b...

Page 10: ...r Remove the template from the wall and drill the wall to suit the wall fixings to be used Tips A piece of insulation or masking tape positioned where holes are to be drilled and before marking out th...

Page 11: ...inlet entry Rear left inlet entry using a 15mm compression elbow not supplied where NO rear access is available Rear left inlet entry requiring rear access Rear right inlet entry requiring rear access...

Page 12: ...pipe work can enter the shower unit from 6 different positions Bottom left Bottom right Top left Rear left Rear right or Rear left using an elbow as shown on page 11 To top or bottom left positions Th...

Page 13: ...for water leaks at the shower inlet Once inspected turn off the water supply Pressure Relief Device PRD A pressure relief device is designed into this shower The pressure relief device provides prote...

Page 14: ...This appliance and all connecting metal pipe work must be earthed Ensure that an earth continuity conductor is securely and permanently connected to all exposed metal parts of other services and appl...

Page 15: ...e directed to the terminal connection block within the unit Note When feeding cable through bottom entry points remove highlighted grey tab on pipe blanking cover if using 6mm cable For 10mm cable rem...

Page 16: ...through conduit or in trunking or by being embedded in the wall in accordance with current I E E Regulations Warning Do not switch on power to the shower unit until the cover and the cable to connect...

Page 17: ...asin bath or shower during shower installation Drill the wall at the marked fixing position to suit the wall fixings to be used loosely fix the rail with the large hole on the side shown and wall brac...

Page 18: ...fully clockwise position to the fully anti clockwise position Repeat this procedure several times until a continuous flow of water with no air bubbles is obtained from the shower hose Once you are sa...

Page 19: ...to compensate for rises in temperature resulting in safe showering temperatures If the user adjusts either the Power Control or Temperature Control the shower will again wait for the user s new desire...

Page 20: ...isplay shows CL This is a performance Maintenance Indication that routine service cleaning is advisable to maintain showering performance Follow the instructions to Clean the Showerhead Clean the Inle...

Page 21: ...increases before using again Increase water flow rate by turning temperature control to cooler setting Error code E1 appears in temperature indicator display Outlet water temperature thermistor fault...

Page 22: ...used or damaged Modification or repair of this product by person s not authorised by Bristan will invalidate this guarantee This guarantee does not affect your statutory rights Service Policy Replacem...

Page 23: ...c O rings x3 1 11 131 406 S Inlet Elbow Ass Inlet Elbow x1 inc O ring x1 1 12 131 404 S Filter Ass Filter x1 inc O ring x1 1 13 131 402 S Swivel Inlet Pipe Ass Swivel Inlet Pipe x1 inc O ring x1 1 14...

Page 24: ...7 20 4 17 8 9 19 10 1 5 6 11 12 13 14 18 15 15 24 Need help Give us a call on 0330 026 6273 and speak to one of our trained advisors Spare Parts...

Page 25: ...r Rail Ass Riser Rail x1 Riser Rail End Caps x2 1 04 1625A0A Slider Handset Holder Slider Handset Holder x1 1 05 81M500601 103 101 Soap Dish Soap Dish x1 1 06 61000018 Handset White Handset x1 1 06 61...

Page 26: ...this space to add any notes you or your installer may have regarding the plumbing system installation of this product 26 Need help Give us a call on 0330 026 6273 and speak to one of our trained advi...

Page 27: ...this space to add any notes you or your installer may have regarding the plumbing system installation of this product 27 Need help Give us a call on 0330 026 6273 and speak to one of our trained advi...

Page 28: ...our products effective from the date of purchase to give you peace of mind To start your free guarantee simply scan the QR code and register your product Alternatively visit www bristan com register F...

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