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18

Hot 

W

a

ter A

v

ailable func

tion and Changing Clocks

Cylinder more than  full of 
hot water.

Cylinder between  and  full 
of hot water. 

Cylinder less than  full of hot 
water.

Open the fl ap on the front of the unit to 
reveal the programming buttons. 

To change from 

Summer to Winter

 

(clocks back) -

 

press and hold - button

 

To change from 

Winter to Summer

 

(clocks forward) -

 

press and hold + button

Changing clocks forward & back

Take care when making this change for the fi rst time. If 

it is made in the wrong direction the unit will have to be 

reset and any user-settings re-entered. 

(See pages 11-12 on how to Reset the  unit and how to set 

the Time & Day)

!

NOTE: After the fi rst time this change has been made this 
feature will only allow the clock to be changed in the opposite 
direction.

 

Summary of Contents for WP75- RF

Page 1: ...WP75 RF 7 day electronic programmable hot water controller Installation User Instructions Certification Mark...

Page 2: ...er 10 How to read the display 10 Preset programmes 11 Resetting the unit 11 Setting the Time and Day 12 Running your programme 12 Before changing the preset programmes 13 Programming the unit 7 day mo...

Page 3: ...mitter and receiver as these will prevent communication between thermostat and receiver Thermostat features WP75 RF Power supply 2 x AA MN1500 LR alkaline cells Memory back up 1 min for battery change...

Page 4: ...t it can only enter the WP75 RF from the bottom through the positions shown below Fix the wallplate so that the control module can be easily attached or removed Make the sensor wiring connections as s...

Page 5: ...n to ensure that the sensor element can make close contact with the surface of the cylinder wall Clean away all traces of insulation and ensure both cylinder wall and sensor are clean Before mounting...

Page 6: ...e fixing position and remove sufficient insulation to ensure that the sensor element can make close contact with the surface of the cylinder wall see opposite Clean away all traces of insulation and e...

Page 7: ...1 OFF ZONE 2 ON ZONE 3 ON COM TERMINAL 6 RX3 ONLY RX Receiver Wiring Note 1 Formainsvoltageoperatedsystemslinkterminal2tomainslivesupply 2 Powersupplytounitmustnotbeswitchedbytimeswitch The sensor mu...

Page 8: ...ss hold the recessed LEARN button for 3 seconds using a non metallic object NOTE Thermostat now transmits continuously for 5 minutes 3 RX1 Press and hold buttons PROG and CH1 for 3 seconds until green...

Page 9: ...eeds to heat the radiators Cylinder thermostats are usually fitted between one quarter and one third of the way up the cylinder The cylinder thermostat will have a temperature scale marked on it and i...

Page 10: ...nergy The WP75 RF lets you heat your water to a temperature you require just at the times you need it You can programme up to three ON times and temperatures per day It also features a BOOST function...

Page 11: ...onella infection it is recommended that water temperature be set to not less than 60 C for at least one event each day If you want to change any of these settings you can do so by following the instru...

Page 12: ...tc TIME Press and to change time press and hold to change in 10 min increments Press PROG again to accept the settings If you are happy to use the preset programmes on page 11 you don t need to do any...

Page 13: ...utton using a non metallic object see page 11 Before you change the preset programme Your installer will have set your unit to operate in either 7 day mode or 5 2 day mode To tell which mode your unit...

Page 14: ...ent2 Day1 iv Repeat steps i ii iii above for Events 2 3 4 5 6 c When all 6 events are correct press DAY to programme events for Day 2 If you wish to repeat the previous day s programme simply press CO...

Page 15: ...e Repeat steps b c d for programming Events 3 4 5 6 For Days 6 7 weekends Press PROG until Event 1 flashes in display Event 1 Days 6 7 Repeat steps b c and d above to programme time and temperature e...

Page 16: ...year etc BOOST ON OFF AUTO ALLDAY ON the water will be heated continuously to the highest temperature set for the day shown on the display OFF the water will not be heated at all unless the BOOST butt...

Page 17: ...e system is ON when you press BOOST the water will heat up to the highest setting of the day but only if the current programmed temperature is lower Hot Water Available function Sometimes you may need...

Page 18: ...ack press and hold button To change from Winter to Summer clocks forward press and hold button Changing clocks forward back Take care when making this change for the first time If it is made in the wr...

Page 19: ...ch off When changing batteries remove old batteries and insert new ones within one minute and programming will not be lost IMPORTANT use 2 x AA size LR6 high quality alkaline dry cell batteries NB If...

Page 20: ...engineer Name Tel For problems relating to your heating controls Visit our website www danfoss randall co uk Email our technical department drl_technical danfoss com Call our technical department 0845...

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