DEX & DBX Installation, Maintenance and User Instructions V1.05 Page 12 August / 2014
2.
on the display. If not, please refer to the section below “Reinstallation”.
3. Use the arrow up and down function keys to select the required maximum
power rating. N.B. DEX at 27kW for connection only to 3/PE 400V AC supply.
4.
start to operate.
5. Mark the set power rating on the product rating plate.
6. After selecting the maximum power rating, the heating element will activate
7. Open the hot water tap and check the appliance is functioning correctly.
8. Explain operation of the appliance to the end user and leave the operating
instructions for their reference.
9. Complete the product registration card and return it to Zip Heaters or
register the product on line at www.zipheaters.co.uk
DEX Reinstallation
If the appliance is to be re-commissioned under different installation conditions
it may be necessary to alter the maximum power rating.
To re-set the maximum power rating use a
BS EN 60900 rated screwdriver to short circuit
the two pins as shown in Fig 10. Value ‘21’ (“12”
maximum power rating has been selected.
Model DBX only
N.B. DBX27 for connection only to 3/PE 400V AC
supply.
1. Switch on the power supply to the appliance.
2. Open the hot water tap and check the appliance is functioning correctly.
3. Explain operation of the appliance to the end user and leave the operating
instructions for their reference.
4. Complete the product registration card and return it to Zip Heaters or
register the product on line at: www.zipheaters.co.uk
DBX Temperature Adjustment
The appliance is factory set to deliver hot
water at 50°C.
The hot water temperature can be adjusted
between 30°C and 60°C by turning the
potentiometer with a 2mm blade screwdriver
as shown in Fig 11.
Turning clockwise increases temperature and
turning anti-clockwise decreases temperature.
Fig 10
Fig 11
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