Thermostatic bar mixer shower
2
INTRODUCTION
This book contains all the necessary fitting and
operating instructions for your Triton mixer
shower. Please read them carefully and read
through the whole of this book before beginning
your installation.
The shower installation must be carried out by
a suitably competent person and in sequence of
this instruction book.
Care taken during the installation will give a long
and trouble free life from your mixer shower.
SITE REQUIREMENTS
The installation must be in accordance with
Water Regulations and Bylaws.
Water Pressure Requirements
Designation: HP-S
Running water pressure:
Gravity fed (LP)
- 0.2 bar min.
1.0 bar max.
Mains fed (HP)
- 1.0 bar min.
5.0 bar max.
Maximum static water pressure:
Gravity and mains - 10 bar
This mixer shower is designed for use with
traditional low pressure gravity water systems,
using a cold water cistern and hot water cylinder
as well as for the higher pressure systems found
in the UK up to a maximum of 5 bar running
pressure.
For effective operation of the internal seals, the
maximum static pressure must not be exceeded.
If a water supply is fed by gravity then the
supply pressure should be verified to ensure the
conditions of use are appropriate for the valve.
NOTE:
TYPE 3 approval applicable only to HP
systems.
Pressure Reducing Valve
On sites where the running pressure is above 5
bar, the use of a suitably sized pressure reducing
valve fitted in the cold mains supply pipework
can provide nominally equal pressures at the
mixer shower.
Water Minimum Flow Rate
For best performance within the specified running
pressure range a minimum flow of 8 litres per
minute should be available to both inlets.
Water Temperature Requirements
Maximum hot water temperature: = 80°C
TYPE3 Recommended maximum:
= 65°C
Minimum hot water temperature:
= 55°C
Maximum cold water temperature: = 20°C
Minimum cold water temperature: = 5°C
Minimum temperature differential: = 10°C
The mixer shower MUST NOT be subjected to
water temperatures above 80°C.
A stored water temperature of 60°C is considered
sufficient to meet all normal requirements and will
minimise the effects of scale in hard water areas.
Valves operating outside these conditions cannot
be guaranteed by the scheme to operate as type
3 valves.
Water Temperature Adjustment and
Thermal Safety
The mixed water temperature can be adjusted
from cold through to a top limit which must
be preset during installation with full anti-scald
protection throughout the range (35°C to 40°C)
providing the hot water temperature at the inlet
remains 10°C above the outlet temperature.
Should there be a loss of flow to either incoming
supply then water from the shower will stop or
be reduced until both supplies are restored.
SAFETY WARNINGS
a.
DO NOT
choose a position where the mixer
shower could become frozen.
b.
DO NOT
connect this mixer shower to any
form of tap or fitting not recommended by
the manufacturer.
c.
DO NOT
allow the inlet pressure or flow
rates to operate outside the guidelines laid
out in Site Requirements.
d.
DO NOT
connect the mixer shower to a
gravity hot supply and a mains cold supply or
vice versa.
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