Bristan PM SQSHXDIV C Manual de instruções de montagem - Página 2

Procurar online ou descarregar pdf Manual de instruções de montagem para Unidade de controlo Bristan PM SQSHXDIV C. Bristan PM SQSHXDIV C 6 páginas. Prism single control surface mounted shower valve with rigid riser & diverter to handset

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Specifications
General
The installation, commissioning and maintenance must be carried out in accordance with
instructions supplied and be installed by qualified and competent persons.
Installations must comply with all Local and National Water Authority Regulations, and Building
and Plumbing Regulations. If in doubt contact a registered plumber or the secretary, Institute of
Plumbing, 64 Station Lane, Hornchurch, Essex, RM21 6NB. Telephone: 01708 472791.
Temperature Control
Minimum cold water supply temperature:
Maximum cold water supply temperature:
Maximum hot water supply temperature:
(A temperature of 60-65°C is recommended for ablutionary installations)
Note!
A suitable hot water temperature control device should be installed to reduce temperatures
exceeding the above maximum hot water supply temperature.
Minimum temperature differential between hot supply and outlet temperature:
(eg. shower temperature 43°C: minimum hot supply 53°C)
Factory pre-set temperature:
43°C
Thermostatic control range:
38-45°C
Performance
Operating pressures for valve and kit.
Pressure (bar)
Valve only
Full kit
* Operating pressure not recommended, minimum of 0.5 bar (5m head) is required for adequate
performance.
Please note the overhead pressures have been shown for full kit.
1
5°C
20°C
85°C
10°C
0.1
0.25
0.5
1
2
8
14.5
26
29
42
*
*
4.5
6
9
Fault Finder
Fault
No or reduced flow and/or fluctuating
temperature.
Maximum outlet temperature too hot or
too cold.
Maximum temperature too cold or runs
cold after a short time (maximum
temperature set or fully adjusted).
Outlet flow too much.
Only hot or cold water at outlet
3
52
Shower will not shut off or leaking from
body.
11
No thermostatic fail safe.
Cause
Rectification
-
Clear debris from shower head.
- Shower head blocked.
-
Open valve.
- Isolating valve partially closed.
-
Adjust bottom cap setting.
- Instantaneous boiler cycling on and off
-
Check boiler settings are
as flow rate/pressure too low.
correct.
-
Contact boiler manufacturer.
- Bottom cap setting incorrect.
-
Adjust bottom cap setting.
- Gravity head of water below minimum
-
Raise tank or fit pump.
required.
- Blockage in supplies/mixing valve.
-
Dismantle and check for debris.
-
Flush supplies before refitting.
- Other draw offs in use causing
-
Do not use other draw offs
pressure or temperature changes.
whilst showering.
- Supply pressures unequal.
-
See maximum pressure
differential in Specifications.
- Flow limiters incorrectly fitted.
-
Check Application Selection.
- Air lock in system.
- Check System Requirements for
correct installation method.
- Shower cross circulating.
- Check non return valves and
condition of seals.
-
Reset maximum temperature.
- Maximum temperature incorrectly set.
Refer to Instructions.
- Adjust tank temperature to 60-
- Hot water is less than 10°C above the
65°C. Ensure hot water is up to
outlet temperature required.
temperature.
-
Check tank or heater capacities.
- Insufficient hot water supply or storage
Low capacity equals shorter
(running out of hot water).
showering time.
- Adjust bottom cap setting.
- Instantaneous boiler not igniting as
-
Increase flow through system.
water flow rate/pressure too low.
-
Increase pressure in system.
-
Check for blockages.
-
Contact boiler manufacturer.
- Check Application Selection.
- Flow limiters incorrectly fitted.
-
Ensure supplies are connected
- Inlet supplies reversed/backwards.
correctly to hot and cold inlets.
-
Clean out debris.
- Inlet supplies blocked.
-
Renew all seals.
- Seal damage or wear.
-
Dismantle and check for debris.
- Scale build up inside mixer.
-
Ensure supply pressures are
- Inlet pressures above maximum
within Specification.
recommendations.
-
Fit pressure regulating valve if
necessary.
-
Check inlet temperatures, hot
- Inlet temperatures not within
supply should be 10°C higher
specification.
than shower outlet temperature.
-
Dismantle and check for
- Piston assembly jammed.
debris.
- Thermostat failure.
-
Replace thermostat.
- Debris trapped in mechanism.
-
Dismantle and check for debris.
- Inlet supplies reversed.
-
Ensure supplies are connected
correctly to hot and cold inlets.
10