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Safety notes
Protection against scalding
It is recommended that near points of discharge with
particular sensitivity to the outlet temperature
(hospitals, schools, nursing and retirement homes)
thermostatic devices should be installed which can limit the
water temperature to 109 °F. The product includes an
appropriate temperature end stop. It is generally
recommended that the temperature of shower-systems should
not exceed 100 °F in nurseries and specific areas of care
centres. Use Grohtherm Special thermostats with special
handle to facilitate thermal disinfection and appropriate safety
end stop. Applicable standards and technical regulations for
drinking water must be observed.
Application
Thermostat mixers are designed for hot water supply via
pressurised storage heaters and, utilised in this way, provide
the best temperature accuracy. With sufficient power output
(from 18 kW or 250 kcal/min), electric or gas instantaneous
heaters are also suitable.
Thermostats cannot be used in conjunction with
non-pressurised storage heaters (displacement water
heaters).
All thermostats are adjusted in the factory at a flow pressure
of 45 psi on both sides.
Should temperature deviations occur on account of special
installation conditions, the thermostat must be adapted to local
conditions (see Adjusting).
Specifications
Safety stop
Hot water temperature at supply connection min. 4 °F higher
than mixed water temperature
Thermal disinfection possible
If static pressure exceeds 72.5 psi, a pressure reducing valve
must be fitted.
Installation
Reversed connection (hot on right - cold on left).
Replace thermostatic compact cartridge, see Replacement
parts, page 1, Prod. no.: 47 175 (1/2").
Installation of the shower rail
When installing e.g. on plasterboard walls (not solid walls) it
must be assured that an appropriate reinforcement is in place
to ensure sufficient strength.
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Operation
The safety stop limits the temperature range to
100 °F.
The 100 °F limit can be overridden by pressing the button,
see page 4.
Adjusting
Temperature adjustment, see page 4 Fig. [1].
Temperature end stop
If the temperature end stop is at 109 °F, insert accompanying
temperature limiter in temperature selection handle,
see Fig. [2].
Prevention of frost damage
When the domestic water system is drained, thermostat
mixers must be drained separately, since non-return valves
are installed in the hot and cold water connections. For this
purpose, the mixer must be removed from the wall.
Maintenance
Inspect and clean all parts, replace if necessary and
lubricate with special valve grease.
Shut off the hot and cold water supply.
Thermostatic compact cartridge, see page 5.
Readjustment is necessary after every maintenance
operation on the thermostatic compact cartridge
(see Adjusting).
100 °F
Replacement parts
See page 1 ( * = special accessories).
Care
For directions on care, refer to the accompanying Care
Instructions.
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