Viessmann PLC VITOCAL 350-HT PRO Operating Instructions For The System User Download Page 28

28

Starting the heat pump

1. 

Switch ON the power supply, e.g. at a separate
MCB/fuse or a mains isolator.

2. 

Turn on the mains isolator.
The main side is shown on the display after a short
time.

3. 

Log in with your user name and password.
You are logged in.

4. 

Tap the   button.
The heat pump is switched on.
Symbol   is green.

Note

The oil sump heaters must be in operation for 6 hours
before a compressor start.

Shutting down the heat pump

Without interrupting the power supply

The actual values of the sensors can still be scanned

Remote diagnosis/maintenance is possible

Frost protection remains active

1. 

Log in with your user name and password.
You are logged in.

2. 

Tap the   button.
The heat pump is switched off.
Symbol   is red.

Shutdown (without frost protection)

Information on shutting down for longer periods

No frost protection

The circulation pumps may seize up.

The date and time may have to be reset.

Operate the system’s mains isolator.
The power supply is interrupted.

!

Please note

The equipment may be damaged if there is no
frost protection.
Take appropriate measures at outside tempera-
tures below 3 °C to protect the heat pump and
your heating system from frost. If necessary,
contact your heating contractor.

Start-up/shutdown

Switching the power supply on/off

5801 531 GB

Summary of Contents for PLC VITOCAL 350-HT PRO

Page 1: ...Operating instructions for the system user Viesmann Heat pump control unit for Vitocal 350 HT Pro PLC VITOCAL 350 HT PRO 5801 531 GB 7 2017 Please keep safe...

Page 2: ...be car ried out by unsupervised children Appliance connection The appliance may only be connected and commis sioned by authorised contractors Observe the specified electrical connection require ments...

Page 3: ...missible ambient tempera tures as detailed in the operating instructions Appliance for indoor installation Avoid air contamination through halogenated hydrocarbons e g as in paints solvents and cleani...

Page 4: ...HW 19 Coolant buffer cylinder 20 Residual heat dissipation 21 Setting the time and date 22 Adjusting set values 23 Set values for heating water buffer cylinder HWB and high temper ature maintenance 24...

Page 5: ...th due attention paid to the associated installation service and operating instruc tions Depending on the version the appliance can only be used for the following purposes Central heating Central cool...

Page 6: ...e you with a better understanding of the func tions of your heat pump control unit some terminology is explained The terms are marked as follows Further information can be found in chapter Terminology...

Page 7: ...r room temperature higher than 20 C For central heating cooling select the settings that meet your current requirements If you do not want to heat any rooms and require no hot water for a prolonged pe...

Page 8: ...ay returns automatically to the homepage If the screen is not touched for 15 minutes the display switches off automatically Symbols on the display For the symbols on the buttons see page 9 Valves and...

Page 9: ...rent user Customer Calls up the Login and language page See page 11 Switches the system on off See page 28 Green The system is switched on Red The system is switched off Calls up the Manual switching...

Page 10: ...16 Heat pump see page 17 T maint see page 14 HWB heating water buffer cylinder see page 15 DHW DHW cylinder domestic hot water see page 19 Coolant coolant buffer cylinder see page 20 Resid heat residu...

Page 11: ...by the contrac tor are not described in these operating instructions Your user name for operating the system is Customer Your password for operating the system is customer Confirm your entry with Aft...

Page 12: ...Heating or cooling demand present Pump out heating water buffer cylinder charging coolant buffer cylinder charging or DHW cylinder charging is switched on At least one compressor enable is present Di...

Page 13: ...cknowledged alarms are highlighted in blue Alarms can only be acknowledged if they are no lon ger current Individual on site appliances may addi tionally need to be acknowledged If you are logged in a...

Page 14: ...tap on the following buttons Menu T maint Fig 7 Secondary pump 3 way mixing valve secondary high temperature maintenance A Set and actual values high temperature mainte nance B Inlet temperature seco...

Page 15: ...ng valve secondary high temperature maintenance A Set and actual values high temperature mainte nance B Set value heating water buffer cylinder C Heating water buffer cylinder temperature top D Heatin...

Page 16: ...ollow ing buttons Menu Heat source Fig 9 A Circulation pump heat source B Mixing valve low temperature maintenance C Primary pump D Flow temperature primary circuit inlet E Return temperature primary...

Page 17: ...n valve EEV with degree of opening E 3 way valve compressor superheating with degree of opening F Room temperature G Casing temperature H High press condensing temperature calculated from pressure J I...

Page 18: ...Only qualified personnel are permitted to make changes Op Indicates whether the selected compressor is in operation Fault Indicates whether there is a fault with the compres sor Hours run Number of h...

Page 19: ...rupted until DHW heating has finished Fig 12 A Set and actual values high temperature mainte nance B Inlet temperature DHW cylinder C DHW circulation pump D Set value for DHW cylinder E DHW cylinder t...

Page 20: ...ow temperature maintenance E Primary pump F Inlet temperature primary heat pump G Outlet temperature primary heat pump H Flow temperature coolant buffer cylinder K Coolant buffer cylinder temperature...

Page 21: ...ooler shut off C Outlet temperature secondary heat pump D Inlet temperature secondary heat pump E Secondary pump F Mixing valve secondary high temperature mainte nance G Circulation pump residual heat...

Page 22: ...d date To call up the Time setting page tap on the date time top right Fig 15 Enter the Time format hh mm Date format DD MM YY and day of the week Confirm each respectively with Operation Programming...

Page 23: ...re maintenance DHW Set values for domestic hot water DHW cylinder Coolant Set values for coolant buffer cylinder AC NC cool ing Save To save the changed set values Note The set values must be saved ea...

Page 24: ...ng water buffer cylinder HWB and high temperature maintenance To call up the Set values heating w buffer cyl and t maint page tap on the following buttons Menu Set val HWB Fig 17 Operation Programming...

Page 25: ...ing system the field only functions as a display Htg limit If the average outside temperature averaging over 24 hours is lower than this value the heating func tion for the heating water buffer cylind...

Page 26: ...t value DHW temp to eliminate bacteria Range Up to 65 C Note Once a week the DHW temperature must be increased to 60 to 65 C to eliminate any bacteria that may be present Excessively high temperatures...

Page 27: ...on the following buttons Menu Set val Coolant Fig 20 Set value cyl Set temperature of coolant buffer cylinder 0 to 30 C Cooling lim If the average outside temperature is higher than this value the coo...

Page 28: ...sis maintenance is possible Frost protection remains active 1 Log in with your user name and password You are logged in 2 Tap the button The heat pump is switched off Symbol is red Shutdown without fr...

Page 29: ...pection or service in order to ensure system safety DHW cylinder Standards DIN 1899 8 and DIN 806 specify that main tenance and cleaning should be carried out no later than 2 years after commissioning...

Page 30: ...or faulty 4 Sens fault high press The system switches off High pressure sensor faulty 5 Ext set val temp maint The system switches off External set value from higher ranking system is outside the rang...

Page 31: ...ages at any time These fault messages do not prevent opera tion of the heat pump If a fault remains active or occurs several times please contact your heating con tractor or Viessmann Service ID Fault...

Page 32: ...n until the fault is acknowl edged Oil pressure differential in com pressor 3 is too small 58 Winding protectn 1 trig Compressor 1 remains shut down until the fault is acknowl edged Winding protection...

Page 33: ...ted External set value from higher ranking system is outside the range 74 Sensor fault temp resid heat The residual heat function is not activated Flow temperature sensor residu al heat is faulty 75 S...

Page 34: ...to be mixed differently at the draw off point in order to maintain the same temperature The function is activated at night to take advantage of any low electricity tariffs and because there is less de...

Page 35: ...rotection 6 28 G Global warming potential 30 Glossary 34 GWP 30 K Kyoto Protocol 30 L Language selection 11 Login 11 M Maintenance 29 P Password 11 Power supply 28 R Refrigerant 30 S Saving energy Tip...

Page 36: ...ind local contractors on the internet at www viessmann de Viessmann Limited Hortonwood 30 Telford Shropshire TF1 7YP GB Telephone 44 1952 675000 Fax 44 1952 675040 E mail info uk viessmann com Viessma...

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