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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 (43 °C).
It is generally recommended that the temperature of shower-
systems should not exceed 100 °F (38 °C) 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
on both sides of 43.5 psi.
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 desinfection possible
Minimum flow rate
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, 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.
Operation
The safety stop limits the temperature range
to 100 °F (38 °C).
The 100 °F (38 °C) limit can be overridden by pressing the
button, see page 7.
1
Adjusting
Temperature adjustment, see page 8 Fig. [1].
Temperature end stop
If the temperature end stop is at 109 °F (43 °C), 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 9.
Readjustment is necessary after every maintenance
operation on the thermostatic compact cartridge
(see Adjusting).
Showers, see page 9.
The function of the SpeedClean nozzles is
guaranteed for a period of five years.
Thanks to the SpeedClean nozzles, which must be regularly
cleaned, limescale deposits on the rose can be removed by
simply rubbing with the fingers.
Replacement parts
100 °F
( * = special accessories).
Care
= 1.3 gpm
For directions on care, refer to the accompanying Care
Instructions.
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