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10

FOR THE USER

Control unit Rego 637

The control unit Rego 637 is the brains of the heat pump. It makes sure the
heat pump gives the best energy savings and that it runs for many years.
The control unit controls and monitors the heating and hot water supply in
your house. The monitoring function is especially important. It shuts down
the heat pump in the event of operational disturbances so that no critical
parts are damaged.

Additional heat gives more output

When the heat pump can not manage to heat the house by itself, for
example, if there is a considerable drop in the outdoor temperature, the
control unit ensures the additional heat source is connected. Together
the heat pump and additional heat guarantee the right temperature in the
house. Additional heat in the Greenline HT Plus is provided by a built
in electric cassette. Additional heat can never completely take over the
heating from the heat pump. It only adds the output necessary for the heat
pump to be able to produce the right temperature. When the heat pump
can once again manage heating on its own the additional heat is automati-
cally disconnected.

Hot water is given priority over heating water

In a house with water based heating a difference is made between heating
water and hot water. The heating water is for radiators/fl oor heating
and hot water is for showers and taps. Hot water is heated in a hot water
cylinder. The hot water cylinder is fi tted with a sensor that senses the
temperature of the hot water. In Greenline HT Plus C there is a hot
water cylinder inside the heat pump while Greenline HT Plus E has an
external hot water heater. The heating water passes through the hot water
cylinder’s outer shell and heats up the hot water cylinder’s inner tank. The
control unit makes sure the heating of hot water is always given priority
over the heating of the heating water. This means you never need to be
without hot water. The control unit controls a three-way valve that switches
between heating the heating water and hot water. Once the hot water
has been heated the three-way valve switches so that the heating water is
heated.

Control unit
Rego 637

Electric
cassette
(additional
heat)

Three-way
valve

Double-shelled

hot water heater

Heating water

Hot water

Control unit Rego 637

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Содержание Greenline HT PlusC

Страница 1: ...Greenline HT Plus C and E User Guide Art no 290410 9 Version 1 0 FOR THE USER INDEX ...

Страница 2: ...u actively safeguard the environment We have taken today s demands on heat pumps into consideration and believe that your Greenline HT Plus will give you many useful functions in the future Your heat pump features an advanced control unit that monitors and controls the temperature in the house and contributes towards improved overall economy The heat pump Greenline HT Plus has for example a holida...

Страница 3: ...water settings 19 Read the temperatures on the heat pump 19 Extra functions Customer level 2 21 Menu outline for Extra functions Customer level 2 21 Temperature settings 22 Set extra heat curve with mixing valve 23 Hot water settings 24 Timer control 24 Reading operating times on the heat pump and additional heat 25 Set the time and date 26 Alarms given by the heat pump 27 Return to factory settin...

Страница 4: ... Rego 637 includes a control and monitoring function that stores important settings about the heat pump s operation and maintenance The settings are made by the installer and the user via a control panel on the front of the heat pump Settings intended for the user are presented under the headings Basic functions and Extra functions When the heat pump has been installed and started there are a numb...

Страница 5: ... Double the pres sure and water boils at 120ºC Half the pressure and water then boils at 80ºC The refrigerant in the heat pump acts in the same way the boiling point changes when the pressure changes However the boiling point of the refrigerant is as low as approxima tely 40ºC at atmospheric pressure Consequently it is also suitable for low heat source temperatures Note Rock heat Soil heat Lake he...

Страница 6: ...o approximately 100ºC The warm gas is then forced into the condenser The condenser is the heat pump s heat emitting part Here the heat is transferred to the house s heating system radiators and floor heating and the hot water system The vapour is cooled in the condenser and becomes fluid The pressure in the refrigerant is still high when it is led on to the expansion valve The refrigerant pressure...

Страница 7: ...hree buttons and a dial Distribution box The distribution box is enclosed It houses a reset function for the motor cut out as well as miniature circuit breakers MCB for the heat pump and electric cassette Heat transfer fluid pump The pump is insulated and features an anti corrosive finish It ensures the heat transfer fluid circulates from e g the rock to the heat pump Control unit Rego 637 The con...

Страница 8: ...m e g the rock into the heat pump Control unit Rego 637 The control unit is enclosed It controls and monitors all heat pump functions Expansion valve Lowers the pressure of the refrige rant that is to enter the evaporator and collect energy from e g the rock Sight glass Sight glass to check the level in the refrigerant circuit Air bubbles must not form in the sight glass when the heat pump is runn...

Страница 9: ...an once again manage heating on its own the additional heat is automati cally disconnected Hot water is given priority over heating water In a house with water based heating a difference is made between heating water and hot water The heating water is for radiators floor heating and hot water is for showers and taps Hot water is heated in a hot water cylinder The hot water cylinder is fitted with ...

Страница 10: ...ll become warmer You determine the temperature of the radiators in relation to the outdoor temperature with the help of a number of settings such as selecting the heat curve on the control unit A lower curve gives higher energy savings Control with an outdoor sensor supplemented with a room sensor Control with an outdoor sensor supplemented with a room sensor means that you also place a sensor in ...

Страница 11: ...us Lamp on The heat pump is using additional heat from e g an electric cassette Hot water status Lamp on The heat pump is heating water in the cylinder Lamp flashes The heat pump has a hot water peak or is producing extra hot water Alarm status Lamp flashes A fault has occurred in the heat pump Lamp on The alarm has been acknowledged but the fault remains Heat Heat Pressing once gives a shortcut t...

Страница 12: ...s depending on which window you are currently in Example If from the initial menu you press the Heat button you will access the menu Temp incr decr In this menu you can increase and decrease the heating in the house Note that the significance of the buttons has now changed You can either return to the initial menu by pressing the Return button or you can choose to change the heating setting in the...

Страница 13: ...f add hot water 2 1 Page 18 Main menu Monitor all temperatures 3 Page 19 Temperature readings Return radiator GT1 Temperature readings Out GT2 Temperature readings Hot water GT3 Temperature readings Shunt flow GT4 Temperature readings Room GT5 Temperature readings Compressor GT6 Temperature readings Heat trfluid out GT8 Temperature readings Heat tr fluid in GT9 Temperature readings Ht trfld coll i...

Страница 14: ...ecomes colder the heat pump ensures more heating is produced automatically Return temperature The return temperature is the temperature of the water that returns to the heat pump from the radiators The water led out from the heat pump to the heating system is normally 7 10ºC higher than the return temperature When the outdoor temperature is 10ºC and curve 4 is set the pump attempts to keep the ret...

Страница 15: ... cur ve slope 4 gives a return temperature of 35ºC when it is 0ºC outdoors If the outdoor temperature drops we can see that the return temperature increases The colder the outdoor temperature the higher the return temperature At an outdoor temperature of approxima tely 30ºC we see the curve slope has reached the limit value 57ºC for the return temperature You should wait at least two days when inc...

Страница 16: ...urn temperature ºC By using the menu dial on the control panel the fine tuning line has been moved up so the heat pump produces more heat In warm weather above 5ºC If you are not satisfied with the indoor temperature when it is warmer than 5ºC outdoors you should offset the curve in the Temp fine tune menu This is what to do 1 Press the Heat button in the initial menu 2 Turn the menu dial clockwis...

Страница 17: ...n obtain extra hot water by temporarily increasing the temperature of the water in the hot water cylinder The temperature increase is effected with the help of the heat pump s electric cassette A higher water tempe rature gives more hot water when for example a large number of people wish to shower The heat pump first makes sure that the water reaches a temperature of 50 55ºC The electric cassette...

Страница 18: ...s in the heat pump Each sensor plays an important part in the heat pump s daily operations It may for example adjust the heat production so that the pump does not become overheated Proceed as follows to read the temperatures on the heat pump 1 Press the Menu button in the initial menu 2 Turn the menu dial clockwise until you reach the menu Monitor all temperatures menu 3 3 Press the Select button ...

Страница 19: ...e menu only applies together with a room sensor The menu shows the set point value and present temperature in the room where the sensor is fitted The menu shows the compressor s working temperature The temperature varies between 70ºC and 125ºC during operations The menu shows the temperature of the radiator water as it leaves the heat pump It varies depending on the outdoor temperature and whether...

Страница 20: ...mer level 2 The menu display is standard on all heat pumps The menu display is only shown on the heat pump in combination with an extra sensor or for a specific model of Greenline HT Plus Heat curve adjust break 1 3 Page 22 Main menu Indoor temperature settings 1 Page 23 Mix valve incr decr range 0 10 1 5 Page 23 Mix valve fine tune range 10 10 1 6 Page 23 Adjusting mix valve curve break 1 7 Page ...

Страница 21: ...ly shown for heat pumps having a room sensor installed The holiday function gives you the possibility to choose a number of days when the room temperature will be lowered to 15ºC the temperature is not adjustable When the days have passed the heat pump returns to the normal heating setting Hot water production is not affected by the holiday function Remote control The menu is only shown for heat p...

Страница 22: ...at curve Turn the menu dial anti clockwise to choose a lower heat curve 6 Save the new value by pressing the Save button Note The initial position of the floor hea ting circuit is heat curve 2 The scale covers the range 0 to 10 Extra heat curve with mixing valve only works with an extra flow sensor T4 GT4 Fine tune the mixing valve 1 Press the Heat button until Access CUSTOMER2 is displayed 2 Pres...

Страница 23: ...4 1 2 Press the Select button 3 Turn the menu dial clockwise to choose the day Now press the Adjust button to select the weekday with the symbol Turn the menu dial clockwise one step to activate the start day The weekday now has a capital letter 4 Press the right hand arrow until the cursor reaches the first two zeros 00 Extra functions Customer level 2 Hot water settings Hot water peak Recurring ...

Страница 24: ... according to clock The Clock setting DHW accord to clock menu 4 3 works in exactly the same way as Clock setting HP accord to clock menu 4 1 You can choose to completely disable hot water heating to save energy This is primarily effective when peak tariffs are charged The procedure is the same as in the previous example Use this to make your settings Reading operating times on the heat pump and a...

Страница 25: ... since the day of installation Additional heat s hot water mode and heating mode operations as a percentage The menu shows the heat addition s allocation between hot water mode and heating mode The allocation is stated as a percentage Heating mode refers to heating of the radiator water Set the time and date The heat pump has functions that are dependent on both the clock and date Thus it is impor...

Страница 26: ... stored in chronological order Read more about the heat pump s alarms under the heading All alarms Return to factory settings If you want to restore the factory settings on the heat pump you can easily reset all the settings you have made This is how you access the Return to factory settings menu menu 12 1 Press the Heat button until Access CUSTOMER2 is displayed 2 Press the Menu button 3 Turn the...

Страница 27: ...secured at the top by two screws This is how you remove the front cover from the heat pump 1 Unscrew the two screws on the top See the picture 2 Tilt the front cover towards you 3 Lift the front cover up to release the lower edge Sight glass Sometimes when the heat pump has started you can see the fluid in the refrigerant circuit bubble for a few minutes in the sight glass This is completely norma...

Страница 28: ...t enter the heat exchangers Over time the filter can become clogged and will need cleaning There are particle filters on both the hot and cold sides To clean the particle filters 1 Shut down the heat pump using the ON OFF button 2 Close the valve and unscrew the sealing cap 3 Loosen the circlip holding the screen in the valve Use the supplied circlip pliers 4 Lift out the screen from the valve and...

Страница 29: ...icial anode 1 Shut off the main cold water supply 2 Open a tap and let the water run out to reduce the pressure in the hot water cylinder 3 Unscrew the anode from the heat pump and check its diameter Electronic anode If the protective anode is electronic there is a control box showing the status of the anode The diode lamps are either green or red If green the protective anode is operating and wor...

Страница 30: ...re you do not set the heat curve too high Use your heating system in the best possible way by keeping the entire surface of radiators or floor coils warm 1 Seal windows and doors but not too tight 2 When you air the room do it quickly and with a cross draught Opening thermostat valves completely The thermostat valves on radiators and floor coils can have a negative effect on the heating system by ...

Страница 31: ...arms have occurred on the heat pump turn the menu dial clockwise to find out more information about each alarm Cause Date when the alarm occurred Time when the alarm occurred Info Acknowledge Dimmed menu display Possible cause 1 Blown fuse in the house s fuse box distribution box Action 1 Check the fuses in the house s fuse box 2 Replace the fuse if necessary If miniature circuit breakers have tri...

Страница 32: ...mpressor temperature Low pressure switch High pressure switch Electric cassette Power failure Phase sequence error High return to the heat pump Heat transfer fluid out max High heat transfer fluid delta Sensor fault Heat transfer fluid in under limit and heat transfer fluid out under limit List of all alarms All alarms An alarm can sometimes occur temporarily due to various reasons However there i...

Страница 33: ...out HTF pump MB2 Applies to models C11 E11 E14 and E17 Possible cause 1 The HTF pump is blocked due to contamination Action 1 Press the Ackn button 2 Loosen the venting screw and remove the dirt 3 Help to start the pump with a screwdriver The alarm indication goes out even if the fault has not been rectified Possible cause 2 Faulty electric motor on HTF pump Action 1 Contact your dealer Possible c...

Страница 34: ...dealer Possible cause 4 The HTF pump has stopped or is set at too low a speed Action 1 Press the Ackn button 2 Check that the pump has not stopped or is set at the wrong speed Possible cause 5 Ice formation in the heat exchanger due to a lack of anti freeze in the heat transfer circuit Action 1 Contact your dealer Possible cause 6 Faulty expansion valve the alarm appears in time periods of 3 4 wee...

Страница 35: ...he speed of the heat carrier pump Turn one step anti clockwise Note Electric cassette EK Possible cause 1 The electric cassette s miniature circuit breaker has tripped Action 1 Press the Ackn button 2 Reset the miniature circuit breaker button on the heat pump circuit breaker 3 by pushing up the toggle switch 3 Contact your dealer if the miniature circuit breaker trips again Possible cause 2 The e...

Страница 36: ...is incorrect The alarm may only be rectified by an electrician Action 1 Press the Ackn button 2 Switch the phase sequence on the incoming supply The heat pump starts automatically once the phase sequence has been switched High Heat transfer fluid delta T8 T9 GT8 GT9 The heat pump gives an alarm when the temperature difference between the sensors T8 GT8 and T9 GT9 is too high Possible cause 1 Not e...

Страница 37: ...mes too high The limit lies at approximately 58ºC Possible cause 1 The heating setting is too high Action 1 Lower the heating setting Temp incr decr Possible cause 2 The valves on the radiators or floor heating system are closed Action 1 Open all valves 2 Press the Ackn button Possible cause 3 The hot water temperature is set too high Action 1 An alarm is given in hot water mode Contact the instal...

Страница 38: ...r dealer Sensor fault All sensors connected to the heat pump can give an alarm when defective In the example to the right it is sensor T1 GT1 Return radiator which has given an alarm All sensors give alarms in the same way Read more about the sensors under heading All the temperature sensor menus Possible cause 1 Temporary error Action 1 Wait and see Possible cause 2 Short circuit or broken sensor...

Страница 39: ...e curve neutral zone 3º 1 9 Mixing valve curve max at GT4 60º 1 10 Setting the room temperature 20º 1 11 Setting the room sensor influence 5 1 12 Setting of holiday function 0 days 1 13 Remote control temperature Not active 1 14 Setting of summer disconnection 18º 2 1 Number of hours for extra hot water 0 hours 2 2 Interval for hot water peak Not active 2 3 Setting of hot water temperature 51º 2 4...

Страница 40: ...d heat HTF pump Yes Electrical connection 400V N3 Phase Add heat reconnectable kW 3 0 6 0 9 0 Recommended fuse size depends on electrical additional heat Electric cassette 6 kW Electric cassette 9 kW AT 16 16 20 25 25 25 AT 20 25 25 25 32 32 Compressor Scroll Refrigerant R407C kg 1 35 1 4 1 5 1 9 2 2 2 3 Connection heating medium Cu DN 22 22 22 22 28 28 Connection cooling medium Cu DN 28 28 28 28 ...

Страница 41: ...xpansion tank 29 Expansion valve 6 8 9 Extra functions 21 Extra heat curve with mixing valve 23 Extra hot water 18 F Factory setting 27 Flexible hoses 8 9 Front cover 28 Fuse 32 33 H Heat carrier pump 8 9 36 Heat curve 15 Heat distribution system delta 37 Heat pump malfunction 32 Heat transfer fluid 7 38 39 Heat transfer fluid pump 8 9 Heating water 10 High heat transfer fluid delta 37 High pressu...

Страница 42: ...ch 12 Protective anode 30 R Remote control 22 Reset button 8 9 33 Return temperature 15 Room sensor 11 18 Room sensor influence 22 S Savings 31 Screen 29 Sealing cap 29 Sensor 20 Sensor fault 39 Sight glass 8 28 33 Status lamps 12 Summer disconnection 22 T Temperature readings 20 Temperature sensors 20 Three way valve 8 9 Time 13 26 W Warm weather 17 Working temperature 35 ...

Страница 43: ...IVT Industrier AB Sweden www ivt se mailbox ivt se Tranås Tryck Media ...

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