Redring 620 用户手册

throughout the year from 5 to 20

°C.  This means that in Winter, the flow rate will be less 

than in the Summer to achieve the same outlet temperature. In summer the ‘MED 
(medium)’ or ‘LOW’ power setting may give adequate hot water. 

The heaters are only switched on when sufficient water is flowing. This is done automatically with 
a switch, which works on water pressure. 
 

3.  The water is turned on and off by 

the solenoid valve built into the 
shower. This is switched on by 
rotating  Knob “A” (pressing button 
“C” - model 620 only) 

 

4.  The flow of water is automatically 

held at the level set by the user 
even though the supply pressure 
may vary. (See ‘How to use your 
shower’ note 9). 

 

5.  If the water supply falls below a set 

limit, the pressure switch will operate 
and switch off the power to the 
elements. 

 

6.  As a further safeguard, a thermal 

cutout switches the power off if the 
water temperature climbs above a 
set limit. The cutout gives an audible 
click when it switches off, but will 
reset itself if water is run through the 
shower for 10 to 20 seconds. 

 

7.  The pressure relief device is to 

safeguard against extreme abuse conditions. 

 

8.  There are 3 defined spray plate settings adjustable by rotating the spray plate, (see 

diagram 4). If desired many combinations between the 3 can be achieved. (Model 600 has 
a different shape handset but the modes are the same). The modes have a positive to 
identify them. 

 

IN ORDER TO MAINTAIN THE PERFORMANCE OF YOUR SHOWER YOU MUST CLEAN THE 
SHOWERHEAD. 
All water contains particles of lime, which build up in the showerhead and unit reducing the 
performance. It is therefore important to clean the showerhead by regularly rubbing the rubber 
spray nozzles or, in severe cases dipping the spray plate into a suitable de-scaling solution. 

The frequency of this will vary from weekly to quarterly depending on the water hardness and 
experience.