Hoval UltraGas (35-650) Operating Instructions Manual Download Page 29 | Manualshive

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4 205 044 / 00

Start - Basic display

Press and hold the “Hot water tem-
perature” key for 3 sec.

The additional DHW loading time
is displayed; the minutes display
ﬂashes.

Set the desired additional loading
time by turning the “rotary pushbut-
ton”.

Tap the “rotary pushbutton” to con-
ﬁrm the setting.

The selected additional loading
time is shown.









6.9.2 Manual hot water loading

In case of increased hot water demand it is possible to conduct a temporary additi-
onal heat up of the caloriﬁer. The caloriﬁer is then loaded once according to the set
daytime hot water temperature.






















4

5

6

1

2

3

Setting range 0 - 240 min.

i

The information on the display dis-
appears when the additional loa-
ding is completed.

i

6. Heating system control

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Summary of Contents for UltraGas (35-650)

Page 1: ...zog AG CH 8706 Feldmeilen General Wille Strasse 201 Telefon 044 925 61 11 Telefax 044 923 11 39 Hoval Austria Hoval Gesellschaft mbH A 4614 Marchtrenk Hovalstrasse 11 Telefon 07243 550 400 Telefax 07243 550 17 Hoval Germany Hoval Germany GmbH Karl Hammerschmidt Strasse 45 D 85609 Aschheim Dornach Telefon 089 92 20 97 0 Telefax 089 92 20 97 77 ...

Page 2: ...e operating mode for AUTOMATIC SUMMER HEATING RED HEATING and STANDBY 19 6 7 Switching times heating times 20 6 7 1 Standard heating times 20 6 7 2 Table for recording individual switching times 20 6 7 3 Changing the switching times heating times 21 23 6 7 4 Copying switching times 24 25 6 8 Heating curve 26 6 8 1 Heating curve heating characteristic information 26 6 8 2 Changing the heating curve...

Page 3: ...nd telephone numbers Heating installer Plumbing installer Electrical installer Chimney sweep Fuel supplier 1 2 Key to symbols used i Instruction Prompts you to carry out an action Result Shows the expected reaction to your action Note Provides important information Safety information Indicates an immediate hazard to persons Warning information Indicates danger to machines and installations Energy ...

Page 4: ... unit Yes No Condensate pump Yes No Outside temperature sensor Yes No Room temperature sensor Yes No Combustion air supply Room Outdoor Number of heating circuits 1 2 3 4 Heating circuit HC Heating circuit MC1 Heating circuit MC2 Heating curve value HC Heating curve value MC1 Heating curve value MC2 1 4 Calculation basis Lowest outdoor temperature C Heat demand kW Max ﬂow temperature C 1 For an op...

Page 5: ...tem operates room sealed see page 4 Commissioning of a newly installed system may only be carried out by a qualiﬁed installer The installation control must be completed prior to com missioning see chapter 5 2 1 Warning information Checking the water level see page 44 Maintain the room in which the boiler is held always clean and turn off the burner before starting the cleaning to avoid any faults ...

Page 6: ... and the installation approved by authorised installers or by the Hoval Customer Service The reliable and safe functioning of a gas boiler as well as the achievement of an optimal effectiveness and clean combustion are only possible and guaranteed if the system is maintained and cleaned at least once every year In the event of a fault or in case of damage please contact the Hoval Customer Service ...

Page 7: ...iator ﬂoor heating Releases the heat of the heating water into the room Heating pump Transports the heating water from the heating boiler to the radiators and back to the heating boiler where it is reheated Mixing valve Adjusts the heating ﬂow temperature by admixing colder return water water ﬂowing to the radiator to maintain the desired room temperature independently of the outside temperature P...

Page 8: ...he heating system The heating system must be ﬁlled with water and all the air removed Observe the regulations regarding antifreeze and water treatment Open the shut off valves in the ﬂow and return lines Check the fresh air supply to the heating system Check the settings for the operating modes 5 2 Switching on the system Open the gas cock Switch on the main switch on the boiler Set the boiler con...

Page 9: ... can be found on pages 11 and 16 of these instructions 6 2 How you can save energy For your beneﬁt and for the environment Using energy more efﬁciently by avoiding unnecessary losses With little effort you can optimise the operation of your system and make it worth while In autumn it is worth while turning the heating off again on warm days This prevents the heating system from producing unnecessa...

Page 10: ... 2 Basic procedure for changing settings An example Select the desired function Turn the rotary pushbutton to se lect or change the desired para meter ﬂashing word or number Press the Info key at any time to go back to the basic display wit hout storing the values set Press the rotary pushbutton to store the value set It is also possible to store the value using the selected function key Function ...

Page 11: ...d set the desired time page 16 18 Press for 3 seconds and set the additional loading time page 29 Set operating mode to SUMMER with heating off only hot water page 16 19 Check the boiler controller for alarms and consult a heating engineer if necessary Check main switch see page 12 and gas supply Change the set heating curve page 27 28 Changingtheheatingcurveisnotsensibleifyoursystemisﬁtted with a...

Page 12: ... ting Page 15 4 DHW temperature Set the domestic hot water temperature Manual DHW reloading Page 28 29 5 Rotary pushbutton Change the values by turning Conﬁrm the values by pressing Function selection by pressing and turning 6 Information key Show the operating data on the display Return to the basic display without saving the values See example on page 39 7 Heating curve set up Set the heating ch...

Page 13: ...ay of the week date and time of the day as well as the current boiler tem perature and room temperature room station Possible readouts 1 Active heating time 24h 2 Weekday display 3 Display of the active operating mode and the clock programme 4 Time of the day 5 Selected operating mode 6 Date Day Month Year 7 Boiler temperature and room temperature 11 Control panel fuse under the hinged cover Check...

Page 14: ...shbutton The new Daytime room temperatu re setpoint appears on the display Tap the Daytime room temperatu re key to conﬁrm the temperature setpoint These adjustments can also be carried out on a room station If MC1 is shown on the display you need to select the heating cir cuit Information on which heating circuit to select for your home can be found on page 4 of these in structions i i 1 2 3 4 5 ...

Page 15: ...y turning the rotary pushbutton The new Reduced room tempera ture setpoint appears on the dis play Tap the Reduced room temperatu re key to conﬁrm the temperature setpoint If MC1 is shown on the display you need to select the heating circuit Information on which hea ting circuit to select for your home can be found on page 4 of these instructions i Setting range 5 30ºC Factory setting 16ºC i 6 Hea...

Page 16: ...n holiday for e g 1 week and you know the return date Page 17 18 You leave home in the morning and come back in the evening Page 17 18 You have guests in the evening Page 18 You want to heat as cost effectively and efﬁ ciently as possible Page 19 Heating the rooms is unnecessary due to the high outdoor temperatures Page 19 You prefer to heat the rooms also during the night Page 19 You are travelli...

Page 17: ...are travelling for an inde ﬁnite period of time and want the living area to be at the set reduced temperature on re turn You are away for an indeﬁnite period of time during spring or autumn and you don t mind if your home is cool on return Operating mode HOLIDAY TIL Heating system and DHW off during holidays ABSENT TIL Heating interrupted temporarily RED HEATING Continuous reduced heating mode STA...

Page 18: ...T TIL PARTY TIL is shown ﬂashing on the display Turn the rotary pushbutton and select Tap the rotary pushbutton to con ﬁrm the setting 6 6 3 Changing the operating mode for HOLIDAY TIL ABSENT TIL and PARTY TIL Procedure for activating the operating modes HOLIDAY TIL ABSENT TIL or PARTY TIL 1 2 3 4 5 6 A black rectangle at the lower part of the display points to the corres ponding symbol i 7 8 9 fo...

Page 19: ...ATING and STANDBY Follow the steps 1 to 3 described in chapter 6 6 3 Changing the opera ting mode on page 18 Set the desired operating mode by turning the rotary pushbutton The selected operating mode e g RED HEATING is shown ﬂashing on the display Tap the rotary pushbutton to con ﬁrm the setting 4 5 6 AUTOMATIC SUMMER HEATING RED HEATING or STANDBY i 6 Heating system control ...

Page 20: ...grams can be or could have been set up or enabled for programming by the installer P1 P3 see page 23 A maximum of 3 heating times per day are possible e g 6 7 2 Table for recording individual switching times Switching times program for living area MC1 Day Cycle 1 Cycle 2 Cycle 3 from to from to from to Mo Di Mi Do Fr Sa So Switching times program for living area MC2 Day Cycle 1 Cycle 2 Cycle 3 fro...

Page 21: ...te HC is shown ﬂashing on the display Select the heating circuit by turning the rotary pushbutton Tap the rotary pushbutton to con ﬁrm the selected heating circuit z B 1 2 3 4 5 6 Information on which heating circuit to select for your home can be found on page 4 i 7 select switching times program P1 P2 or P3 if required see page 23 i 6 7 3 Changing the switching times heating times 6 Heating syst...

Page 22: ...play Set the desired heating start time by turning the rotary pushbutton Tap the rotary pushbutton to con ﬁrm the set start time The heating end time is shown ﬂas hing on the display Set the desired heating end time by turning the rotary pushbutton 8 Change the ﬂashing value by tur ning the rotary pushbutton Conﬁrm by tapping the rotary pushbutton Go back one step with Return to the starting point...

Page 23: ...18 00 reduced Hot water circuit DHW Mo Fr Sa Su 06 00 18 00 reduced Factory setting Switching times program P2 Factory setting Switching times program P3 Tap the rotary pushbutton to con ﬁrm the set end time Set a second heating time Mo 2 by turning the rotary pushbutton Set the switching times as described for the previous heating circuits Set the switching times as descri bed for the previous da...

Page 24: ...u want to copy by turning the rotary pushbutton Tap the rotary pushbutton to con ﬁrm the day The target day s is are shown ﬂashing on the display Select the desired value by turning the rotary pushbutton 10 11 12 13 14 15 16 Change the ﬂashing value by tur ning the rotary pushbutton Conﬁrm by tapping the rotary pushbutton Go back one step with Go to the starting point with or automatically after a...

Page 25: ...e next copy range by tur ning the rotary pushbutton Target range for the copy process is shown again ﬂashing on the dis play Tap the Operating mode key to conﬁrm the settings 18 19 20 21 22 23 The same value as in the preceding action is copied to the target ran ge i Use the same scheme to create any additional copies i The start display is shown basic display i 6 Heating system control ...

Page 26: ...m temperature is not reached over a longer period of time during the heating period Recommended settings Floor heating 0 3 bis 0 8 Radiator heating 1 0 bis 2 0 Convector heating 1 4 bis 2 0 Heating ﬂow temperature Outside temperature Heating curve slope i i Example You have set the system to radiator heating and a heating curve slope of 1 0 At an outdoor temperature of 12ºC this results in a ﬂow t...

Page 27: ...harac teristic curve is shown ﬂashing on the display or OFF if the selected heating circuit is not connected Selectthedesiredvaluefortheslope of the heating characteristic curve by turning the rotary pushbutton Tap the rotary pushbutton to con ﬁrm the selected value The selected slope of the heating characteristic curve is shown 6 8 2 Changing the heating curve heating characteristic 1 2 3 4 5 6 7...

Page 28: ...ﬂashes Tap the Room temperature key to conﬁrm the temperature setpoint Turn the rotary pushbutton to set further heating circuits Heating curves appears again on the display Tap the Operating mode key to conﬁrm the settings 6 9 Domestic hot water 6 9 1 Adjusting the domestic hot water temperature The start display is shown basic display i 1 2 3 4 5 6 1 2 3 Setting range 10 65 C Factory setting 60 ...

Page 29: ...shbutton to con ﬁrm the setting The selected additional loading time is shown 6 9 2 Manual hot water loading In case of increased hot water demand it is possible to conduct a temporary additi onal heat up of the caloriﬁer The caloriﬁer is then loaded once according to the set daytime hot water temperature 4 5 6 1 2 3 Setting range 0 240 min i The information on the display dis appears when the add...

Page 30: ...HW is shown ﬂashing on the display Tap the rotary pushbutton to con ﬁrm the selected value DHW is shown ﬂashing on the display again Tap the rotary pushbutton to con ﬁrm the selected value 6 9 3 Domestic hot water economy temperature reduced temperature Setting range 0 240 min i 4 5 6 1 2 3 The temperature shown corres ponds to the set reduced DHW temperature i 7 8 6 Heating system control ...

Page 31: ...em perature ﬂashes Select the desired temperature va lue by turning the rotary pushbut ton Tap the rotary pushbutton to con ﬁrm the setting Tap the Operating mode key 10 11 12 9 The start display is shown basic display i 6 Heating system control ...

Page 32: ...ected value Time is shown ﬂashing on the dis play Tap the rotary pushbutton to con ﬁrm the selected value The time is shown ﬂashing on the display Set the desired time by turning the rotary pushbutton Tap the rotary pushbutton to con ﬁrm the selected value 6 10 Further settings 6 10 1 Setting the clock 4 5 6 7 8 9 10 11 Return to the starting page and save the set values with For further settings ...

Page 33: ...m Change SU WI ON or OFF by turning the rotary pushbutton conﬁrm Tap the key Operating mode to conﬁrm the selected summer win ter time and to open the basic dis play 6 10 2 Setting the date 6 10 3 Changing between summer and winter time Return to the starting page and save the set values with For further settings turn the rotary pushbutton i i 12 13 14 15 Continuation of Setting the clock 6 10 1 o...

Page 34: ...ay Tap the rotary pushbutton to con ﬁrm the selected value Language is displayed abbrevia tions for the language are shown ﬂashing Turn the rotary pushbutton to se lect the desired language and tap to conﬁrm Tap the Operating mode key 6 10 4 Setting the language 4 5 6 You will be prompted for the desi red language when switching on the control system for the ﬁrst time Changing the language is also...

Page 35: ...n ﬁrm the selected value The letters HC are shown ﬂashing on the display Select Default time by turning the rotary pushbutton Default time is shown ﬂashing on the display Tap the rotary pushbutton to con ﬁrm the selected value The letters HC are shown ﬂashing on the display Select the heating circuit by turning the rotary pushbutton With this function you can reload all the factory settings i 4 5 ...

Page 36: ... ﬁrm the selected value Reset HC is displayed Press and hold the rotary push button for 3 sec Reset HC is displayed to con ﬁrm Tap the Operating mode key to conﬁrm the new settings and to open the basic display 12 13 14 15 11 6 Heating system control ...

Page 37: ...ting without restrictions Available mixers are disconnec ted and can be operated manually if necessary depending on the heat de mand CAUTION The DHW temperature reaches the level of the boiler temperature set point Scalding hazard if temperature setting too high To protect underﬂoor heating systems against invalid overheating during manual operation it is necessary to implement appropriate safety ...

Page 38: ...comprises a comprehensive alarm logic which displays the fault type by means of the corresponding error code i If Error is shown on the display press the Reset button under the hinged cover If this happens frequently notify your Customer Service centre Top up with water If this message appears on the display top up with water or notify your installer chap ter 8 i Water pressure low If this message...

Page 39: ...the rotary push button for 3 sec Timeprogramms is shown ﬂas hing on the display Turn the rotary pushbutton until Boiler contr appears on the dis play Boiler contr is shown ﬂashing on the display Tap the rotary pushbutton to con ﬁrm the selected value Information is shown ﬂashing on the display Turn the rotary pushbutton until Parameter appears on the dis play 4 5 6 1 2 3 7 4 6 Heating system contr...

Page 40: ...m the selected value Parameter 02 is shown ﬂashing on the display Read the maximum temperature setpoint Tap the rotary pushbutton to chan ge the selected value The maximum temperature set point is shown ﬂashing on the dis play Change the value Conﬁrm 9 10 11 12 13 14 15 6 Heating system control ...

Page 41: ...s shown represent the current values Press and hold the rotary pushbutton to display the indivi dual setpoint only for 2 stage operation Heat generation hours of operation stage 2 Heat generation starts stage 2 only in conjunction with room sensor Room temperature direct HC Room temperature MK 1 Room temperature MK 2 turn to left turn to right i Exhaust Modulation Hydraulic pressure Back to the st...

Page 42: ...tation The following are some of those functions Optimisation functions Automatic heating curve adaption System speciﬁc temperatures and switching times can be checked and mo diﬁed via ﬁve control keys also allowing the deﬁnition of individual system programs The operation of the room station and the boiler control unit is identical Remote setting device with room sensor RFF T This auxiliary devic...

Page 43: ...oller Check the water level and pressure Reﬁll the heating system and bleed 8 the air No 5 1 Are the radiator valves open Open them The heating circulation pump is Open the lock screw not working Turn the shaft end with a screw driver to reduce the resistance The mixer does not open automatically Open it by hand call the Customer Service No hot The loading pump is not working Unscrew the lock scre...

Page 44: ... main system switch to 0 Open the shut off valves in the ﬂow and return lines The boiler ﬁlling and drain cock is accessible after removing the front panel on the front of the boiler Connect a hose between the ﬁlling cock and the water tap Fill the hose with water before establishing the connection to prevent any air from entering the heating system Unscrew the hose again after ﬁlling to brake the...

Page 45: ...if you Keep the doors and windows closed in winter Close the chimney ﬂaps when the ﬁre is out Operate the kitchen and ba throom ventilation fans only when vapours and smells need to be extracted Only ventilate for short time pe riods but more often Seal doors and windows to pre vent constant leakage losses Insulation will help retaining precious heat Take advantage of these possi bilities and Clos...

Page 46: ... gas ﬁred compact heating centres oil gas and wood ﬁred heating boilers burners solar en ergy systems collectors and heat pumps for heat generation from air water and earth Heat distribution systems and residential technology Caloriﬁers radiators heating walls convector heaters low temperatu re heating elements heating and ventilation controllers circulation pumps as well as plastic concrete oil t...

Page 47: ...47 4 205 044 00 ...

Page 48: ...706 Feldmeilen Tel 0848 81 19 40 Fax 0848 81 19 41 kc zent schweiz hoval ch Vaduz Austrasse 70 FL 9490 Vaduz Tel 423 399 28 00 Fax 423 399 28 01 kc vaduz hoval ch Ticino Via Cantonale 34A 6928 Manno Tel 091 610 43 60 Fax 091 610 43 61 kc ticino hoval ch Eastern Switzerland PO Box 8706 Feldmeilen Tel 0848 81 19 20 Fax 0848 81 19 21 kc ostschweiz hoval ch Suisse romande Ch de Closalet 12 1023 Crissi...

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