CTC Union EcoZenith i550 Pro Installation And Maintenance Manual Download Page 30

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CTC EcoZenith i550 Pro

General Information

7.1 Room

temp.

06 - 09

18 - 21

07 - 09

20 - 23

06 - 09 08 - 21
06 - --

-- - 21

06 - --

-- - 21

10 - 12 20 - 23
10 - 12 20 - 23

Holiday scheme

days

Night reduction heat circ. 1

Weekly program

Day by day

Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday

Night reduction heat circ. 1

Weekly program

Block

Decrease Sunday

22:00

Increase Friday

14:00

Decrease --------

00:00

Increase --------

00:00

Holiday scheme

Night reduction

Holiday

Heating circuit 2

Heating circuit 1

Room temp.

22.3ºC (23.5)ºC

22.4ºC (23.5)ºC

7.2 DHW

06-09 18-21
07-09 00-00
06-09 00-00
06-09 00-00
06-09 00-00
10-12 00-00
10-12 00-00

Weekly program DHW

Hot water

Extra
hot water

0.0

hours

Temperature

Normal

Weekly schedule

Weekly program

Day by day

Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday

Summary of Contents for EcoZenith i550 Pro

Page 1: ...162 105 20 1 2013 06 13 Installation and Maintenance Manual CTC EcoZenith i550 Pro...

Page 2: ...er list_____________________________________________________ 40 9 Detail Description Menus__________________________________ 42 9 1 Start menu ___________________________________________________ 42 9...

Page 3: ...temperatures and energy consumption facilitates settings in a simple and structured manner Congratulations on buying your new product Your CTC EcoZenith i550 Pro has built in nned copper coils which...

Page 4: ...mp depending on type of system for the ow required Open radiator valves and other relevant valves Tightness test Bleed the system Safety valve function test The waste pipe is connected to the draining...

Page 5: ...ler The CTC EcoZenith i550 Pro must not be lowered beneath oor level Check for missing parts The product must not be installed where the ambient temperature is higher than 60 C Safety Instructions The...

Page 6: ...or system Drainage valve Adapter between the drainage valve and the connection sleeve Sensor 2 off to and from pipes Current sensor 3 off Cover washer for connections upper and lower tank 8 off Cover...

Page 7: ...ns The heat pump and solar system are connected to the lower tank Water to be heated by wood boiler is taken from here and heat which is to be stored in a buffer tank is also taken from this part Conn...

Page 8: ...extra domestic hot water tank Connected wood boiler gas oil boiler and pellets The CTC EcoZenith is well insulated with 90 mm PUR and is well provided with connection options on both sides ensuring cl...

Page 9: ...ther instances when heat builds inside the house the room sensor can also reduce the heat thus saving energy Another way to save energy is to use the night reduction function which reduces the indoor...

Page 10: ...coil prevents build up of bacteria With double coils high draw off ows can be obtained as the heat conduction area is nned on the inside as well as the outside For more information on settings and tip...

Page 11: ...ained The upper tank has a factory set stop temperature of 55 C which means that the heat pump will work to achieve this temperature in the upper tank When hot water is being drawn off and the tempera...

Page 12: ...ing winter a higher temperature is needed to maintain the desired indoor temperature Savings from a heat pump are directly linked to the COP value COP means the output divided by the supplied power CO...

Page 13: ...ent types of heat pumps the CTC EcoAir outdoor air heat pump and the CTC EcoPart bedrock ground source heat pump The desired outdoor temperature at which the CTC EcoAir is prioritised over the CTC Eco...

Page 14: ...installed the pump will only work at 25 of its maximum capacity This provides for increased savings on the charge pump s operating economy and the heat losses in the EcoZenith are reduced compared to...

Page 15: ...s selected the immersion heater s is are activated rst After a certain delay which is factory set at 120 minutes the unit with low priority is also started and helps the heat source with high priority...

Page 16: ...r This means that if solar panel output rises the charge pump will increase the ow and if solar panel output decreases the charge pump will reduce the ow When the temperature in the lower tank increas...

Page 17: ...r panel and the brine circuit falls to 30 C charging is stopped If the brine circuit becomes warmer than the factory set value of 18 C recharging will also be interrupted as the temperature then becom...

Page 18: ...r tank at regular intervals is necessary to eliminate the risk of Legionella This function is built into the EcoZenith First the upper tank is heated as far as possible using the heat pump For the wat...

Page 19: ...in order to achieve a high temperature and a large quantity of hot water The solar panels charge the EcoZenith until the sensor of the lower tank reaches the factory set 80 C before the circulating pu...

Page 20: ...the buffer tank for charging to be allowed to start based on the factory set values 2 10 3 Recharging from Buffer Tank to EcoZenith Recharging from Buffer Tank to the EcoZenith is always performed to...

Page 21: ...can be relevant if you want to cool a part of a property using e g a fan convector at the same time as need to heat another part Desired room temperature The desired room temperature is set on the Ec...

Page 22: ...ller Settings Radiator system menu Ask your installer to help you set these values It is extremely important to set the heating curve and in some cases unfortunately this process may take several week...

Page 23: ...owing the method shown above When the basic values have been set more or less correctly the curve can be finely adjusted directly using the Room temp shown on the home menu screen Description of incli...

Page 24: ...ystems houses An example Inclination 60 C Adjustment 0 C In this example the maximum outgoing primary flow temperature is set at 55 C The minimum permitted primary flow temperature is 27 C e g summer...

Page 25: ...he needs of the radiators should have as low a temperature as possible A oor heating system uses low temperatures which bene ts heat pump operation Solar energy operation also gives the best yield at...

Page 26: ...at maximum temperature known as full condensation In the Installer Settings Upper tank menu you can also select the immersion heater s to help to produce extra hot water Remember that the function ex...

Page 27: ...l min bar 0 7 Volume tank l 540 Volume domestic hot water coil l 11 4 Max operating pressure tank bar 2 5 Max operating pressure domestic hot water coil bar 9 Domestic hot water coil finned m 2x18 6 D...

Page 28: ...easurements 1 Connection heating G 1 1 4 inside 2 Expansion vessel Top con Lifting socket G 1 1 4 inside 3 Solar coil 18mm 4 Cold water 22mm 5 Domestic hot water 22mm 6 Domestic hot water circulation...

Page 29: ...EcoZenith i550 Pro Tuesday 08 45 Weekly schedule Hot water Operation Installer Time Language Settings De ned system Service Software display PCB 20130530 v116 Software HP PCB 20130503 Night reduction...

Page 30: ...heat circ 1 Weekly program Block Decrease Sunday 22 00 Increase Friday 14 00 Decrease 00 00 Increase 00 00 Holiday scheme Night reduction Holiday Heating circuit 2 Heating circuit 1 Room temp 22 3 C 2...

Page 31: ...45 Wood boiler C 78 Flue gas wood boiler C 100 Pool C 12 35 Operation data heating Out Room1 Prim ow1 Return Room2 Prim ow2 Status heat pump Id Product Status A1 EcoPart On upper tank A2 EcoPart On l...

Page 32: ...ower tank Solar panels Wood boiler External boiler External buffer Pool Remote control None Communication Save settings Load settings Load factory settings Heat pump A1 A3 Compressor A1 Permitted Stop...

Page 33: ...ation Timer DHW circulation Monday Tuesday Wednesday Thursday Friday Saturday Sunday Lower tank Tank max C 55 Tank min C 25 Diff tank vs primary C 0 Start stop diff tank C 5 Timer setpoint 50 Timer lo...

Page 34: ...r No Pool G50 G51 B50 No Cooling B3 B13 Y3 G3 No SMS Input voltage 3x400V Define Heating circuit 2 Radiator system 2 Y2 G2 Yes Room sensor 2 B12 Yes Type Wireless Def Heat pump Heat pump A1 Off Heat p...

Page 35: ...No Define El heaters Upper el heater Yes Upper opt el heater No Lower el heater Yes Max power el heaters kW 18 Define Cooling Cooling No Common heating cooling No Condense pipe secured No Room temp c...

Page 36: ...External buffer Wood boiler Off Ext boiler Off Factory settings Coded Code 0 0 0 0 Compressor operation Expansion valve Log compressor stop Manual register change Cooling Alarm log Heat pumps Latest a...

Page 37: ...s Upper el heater L1 Off Upper el heater L2 Off Upper el heater L3 Off Upper opt el heater Off Lower el heater Off Heating circuit Mixing valve1 Closes Rad pump1 Off Mixing valve2 Off Rad pump2 Off Mi...

Page 38: ...Start stop diff C 5 Extra DHW stop temp C 60 Max time upper tank 20 Max time lower tank 40 Additional heat upper tank C 55 Min temp C 45 Periodic increase DHW days 14 Max temp diff end DHW C 3 Stop DH...

Page 39: ...em 1 Room sensor 1 B11 Wire or wireless De ne heating system 2 Heating circuit 2 Y2 G2 Room sensor 2 B12 Wire or wireless De ne heating system 3 Heating circuit 3 Y3 G3 Room sensor 3 B13 Wire or wirel...

Page 40: ...sensor 1 is de ned the room temperature in question is displayed here 2 Room temperature heating system 2 If room sensor 2 is de ned the room temperature in question is displayed here Tank temperature...

Page 41: ...ng supplied to the section of the house where a re is burning 9 2 1 Setting without a room sensor If a room sensor has not been installed this can be selected from the Installer De ne system Heating c...

Page 42: ...t in the Installer Settings Heating system menu The factory set value is 2 C Reducing a heat pump s tempera ture at night is a comfort setting which generally does not reduce energy consumption 9 2 4...

Page 43: ...function is activated by setting the number of hours the heat pump immediately starts to produce extra DHW You also have the option to schedule hot water production for certain times using the Weekly...

Page 44: ...e coolant from the collector in the heat pump and return temperature 1 C of the coolant back in the collector hose are shown next to this symbol CTC EcoZenith i550 Pro The current temperature 50 C in...

Page 45: ...trying to achieve 9 4 1 1 Stored operation data This menu shows the previous operating values for the system Total operation time h 14196 Shows the total time the product has been powered Maximum prim...

Page 46: ...radiator pump G2 Mixing valve 2 Open Close This indicates whether the mixing valve Y2 increases opens or reduces closes the heat supplied to heating circuit 2 Once the correct temperature has been rea...

Page 47: ...chieve The second set of brackets indicates the temperature the electric heaters are trying to achieve Tank lower C 40 43 Indicates the current temperature in the lower tank plus the temperature the s...

Page 48: ...or temperature The green and pink curves are room temperatures 1 and 2 respectively The red and grey curves are primary ow temperatures 1 and 2 respectively The yellow curve is the radiator circuit s...

Page 49: ...due to the start delay Off ready to start The heat pump s compressor is not running and is ready to start Flow on The heat pump and fan are started before the compressor Shown for EcoAir heat pumps O...

Page 50: ...rine in out C 4 1 99 99 This shows the brine pump s incoming and outgoing temperatures Shown for EcoPart heat pumps Fan speed On 48 On Off 0 to 100 This shows the heat pump s operational status and th...

Page 51: ...onnected via a heat exchanger to the EcoZenith Pump charge brine loop On Off This shows the operating mode for the pump G31 for recharging the bedrock Valve charging Brine loop On Off This shows the m...

Page 52: ...Time and date settings Click on the time symbol Press OK to highlight the rst value and use the arrows to set the correct value Setting the language Click on the language symbol Select the language y...

Page 53: ...mitted again Inclination 50 25 to 85 Inclination means the temperature your property needs at different outdoor temperatures See more detailed information in the Your home s heating installation chapt...

Page 54: ...he ow temperature in connection with construction installation The setting automatically passes to Off after completed cycle Type 1 Constant primary ow temperature of 25 C during the rst day and the s...

Page 55: ...air water heat pump and the EcoPart liquid water heat pump if both of these are connected to the EcoZenith The factory value is 7 C this means that the EcoAir is prioritised for outside temperatures...

Page 56: ...cked so that it never retrieves energy from the upper part of the tank Main fuse A 20 16 100 The property s main fuse size is set here This setting and the tted current sensors ensure the fuses are pr...

Page 57: ...Periodic extra DHW days 14 0 to 30 The menu de nes the interval for the periodic increase of the hot water tank at 65 C to protect against legionella Max temp diff interrupted DHW C 3 2 to 7 If there...

Page 58: ...r circulation should take place during each period Applies if DHW circulation has been de ned in the Installer De ned system DHW tank menu Cyclic time DHW circ 15 5 to 90 The cyclic time for domestic...

Page 59: ...the lower tank Charging of the lower tank ceases once the set temperature has been reached Max brine C 18 1 to 30 Setting for maximum permitted brine temperature This menu shows if the function recha...

Page 60: ...G30 is running at 100 NB It is important the value is correct as the ow is used as the basis for calculating the power and cumulative energy Incorrect ows will therefore produce incorrect values for t...

Page 61: ...ated The menu is displayed when the Anti freeze function has been activated 9 5 2 8 Wood Boiler Start at ue gas temp C 100 70 250 This menu is used to de ne the ue gas temperature sensor B8 at which t...

Page 62: ...the external boiler This is used to avoid operating times too short for the external boiler Priority Low Low High Low The external boiler is prioritized after the immersion heater s High The external...

Page 63: ...ng from the external buffer tank to the upper tank in the EcoZenith Charge start lower C 80 60 90 The temperature in the lower tank of the EcoZenith at which transfer to the external buffer tank shoul...

Page 64: ...arged when the tariff is low The lower tank of the EcoZenith will work towards the set temperature during those periods which are scheduled in the menu and then transfer heated radiator water to the b...

Page 65: ...e your own settings Con rm using the OK button 9 5 2 15 Load settings The saved settings can be reloaded 9 5 2 16 Load factory settings The product is supplied with the factory values set They can be...

Page 66: ...sensor for the respective heating system 1 is permanently connected wired or wireless 9 5 3 3 Def heat pump Heat pump A1 A3 Off On Off Select the heat pumps to connect to the system Flow level switch...

Page 67: ...energy from the solar panels when the ordinary heating and domestic hot water needs have been met Specify whether diverting valve Y31 and circulation pump G31 have been connected to the system 9 5 3 7...

Page 68: ...ead to damp and damage from mildew In the event of doubt contact an expert surveyor for an assessment Room temp cooling 25 10 30 This is where the desired room temperature for cooling is set See CTC E...

Page 69: ...re Hardware Version The hardware version of the GSM equipment is shown here Software version The software version of the GSM equipment is shown here NB For more information on the SMS function see the...

Page 70: ...p during installation When you exit the menu the heat pump returns to normal operation NB This menu is only for the installer to use Heating System Mixing valve 1 3 Closes Opens Opens and closes the r...

Page 71: ...ff Off On When testing the function of the Manual Defrosting a defrost cycle will be conducted on the CTC EcoAir product Defrosting can not be stopped when it is started and will conduct a full defros...

Page 72: ...r tank Tests the exchange function between the upper and lower tank Test wood boiler The wood boiler is function tested from this menu Wood boiler Off Off On Switches the wood boiler on and off Test e...

Page 73: ...4 digit code must be speci ed to be able to amend these limits However you can also take a look without any code to see what options feature in the menu NB Only an authorised service engineer is allow...

Page 74: ...stick 9 5 4 6 Re installation This command re launches the installation sequence See the chapter on First start 9 5 4 7 Calibration Sensor Primary ow VS 1 C B1 0 0 3 0 to 3 0 Correction of primary ow...

Page 75: ...hould be disconnected from the power source when it is being drained The drain valve is packaged separately and can be connected directly onto one of the lower connections if one is free or to a low l...

Page 76: ...n other parts of the house The room sensor can temporarily be deselected during the ring process The EcoZenith then provides heating to the radiators using the set heating curve Refer to the chapter o...

Page 77: ...vailable Increase if necessary that the product is not set to the Max allowed primary ow temperature mode with a too low value that Inclination has been set high enough Increase as required You can nd...

Page 78: ...the tap water system may cause noise This is due to pressure surges which occur when for instance an older type of instant closing mixer is turned off quickly The fault is not in the EcoZenith and the...

Page 79: ...eriod of time The compressor and electrical power are blocked when ripple control is active Tariff HP off Shows that Tariff HP is not active Should always be Off Tariff EL off This is used when a dual...

Page 80: ...For the sensors below the alarm is reset automatically after correction B1 Primary ow sensor 1 B13 Room sensor 3 B2 Primary ow sensor 2 B15 Outdoor sensor B3 Primary ow sensor 3 B30 Sensor in to solar...

Page 81: ...Press reset and check whether the alarm recurs If the fault recurs contact your installer Low suct gas exp valve This message appears when the suction gas temperature is low Press reset and check whet...

Page 82: ...uct has a high centre of gravity and should be handled with caution 12 2 Unpacking When the CTC EcoZenith i550 Pro has been placed at the installation site the packaging can be removed Check that the...

Page 83: ...Ensure that the plastic top cover is correctly aligned with the front Graphite screw 25 off Tie strap When the rear insulation is in place tension bands can be used to hold it rmly against the tank At...

Page 84: ...the schematic diagram for pipe connections Also refer to Technical data in the section for the property owner for connection dimensions and placement If annealed copper pipe is used t support sleeves...

Page 85: ...l If an open system is used the distance between the expansion vessel and the highest placed radiator must not exceed 2 5 m in order to avoid introducing oxygen into the system Insulation To ensure be...

Page 86: ...operative when radiator system 1 is not operative valve 21 must be connected to radiator pump G1 so that the valve closes when the radiator pump for radiator system 1 is not operative This is useful f...

Page 87: ...for more information Note that when connected in series the last heat pump must be in terminated position I e on the last heat pump dipswitch 2 must be in the ON position On the other heat pumps it s...

Page 88: ...alve Y31 plate heat exchanger 18 charge pump for recharging bore holes G31 and non return valves 36 and 41 are used for recharging bore holes energy wells with solar energy The EcoZenith also starts t...

Page 89: ...l DHW tank and starts the pump G41 Cooled domestic hot water is pumped via the non return valve 35 and control valve 30 down to the part of the coil used for circulation The water is heated in the coi...

Page 90: ...r Settings Wood boiler 13 3 5 1 Pump controlled by ue gas temperature The pump G4 is controlled by the ue gas temperature which is sensed by the ue gas sensor This pump can be used if for example a wa...

Page 91: ...ap ports and two jumpers in the actuator must be reconnected See the chapter on Electrical installation for more information If several storage tanks are used they must be connected in series The retu...

Page 92: ...culation is undertaken by the pump G44 which is controlled by the EcoZenith The sensor B10 senses the ow temperature from the external boiler See also External Boiler Menu in the Detail Description Me...

Page 93: ...r from the upper connection on the EcoZenith s lower tank 02 to the pool heat exchanger 14 on to the radiator system s return pipe and back to the EcoZenith s lower tank One pump G50 G51 the lower one...

Page 94: ...n and how you want cooling to take place See also Cooling Menu in the Detail Description Menus chapter Installer De ne system Cooling This type of cooling function is energy ef cient as only circulati...

Page 95: ...97 CTC EcoZenith i550 Pro For the installer...

Page 96: ...his is only a schematic diagram The system in question must be designed in accordance with current standards 7 3803 05 2 5 2LO 3HOOHWV OHFWULF DV 22 2 5 7 3803 06 5 1 6 67 0 2 7 5 1 7 2 25 7 3803 7 38...

Page 97: ...99 CTC EcoZenith i550 Pro For the installer 6725 7 1 6 1 287 322 7 36 1 7 5 1 1 D E...

Page 98: ...rage tank 38 Non return valve passive cooling 13 External DHW tank 39 Pipe for floor cooling fan convector 14 Plate heat exchanger pool 40 Fan convector 15 Pool 41 Non return valve low pressure drop o...

Page 99: ...lector return G50 G51 Circulation pump pool and pool charging B31 Sensor primary flow solar collector Y1 Mixing valve radiator system 1 B32 Sensor solar energy charging Y2 Mixing valve radiator system...

Page 100: ...circuit card Connection cables are inserted in the cable ducts on the unit s top cover which exit at the same height as the bottom of the electrical connections box It is important to keep heavy curr...

Page 101: ...ast blow fuses F1 F2 Expansion card A3 Connections X1 X7 Sensor upper B5 Sensor lower B6 Sensor solar B33 Main circuit card A2 Connection to display A 1 Connections el heaters Terminal block G41 G48 T...

Page 102: ...rrent Supply 400 V 3N 50 Hz and protective earth The size of the group fuse is given in the Technical data chapter in the section for the property owner Connected to the blocks marked L1 L2 L3 N PE Ma...

Page 103: ...ng it in menu Installer Service Function test in the control system G3 Circulation pump radiator system 3 Alternatively circulation pump for CTC EcoComfort Cooling accessory 230V 1N Connected to the e...

Page 104: ...ard terminal block G11 Charge pump 1 WILO Stratos TEC Relay output 8 A A12 PWM blue G46 GND brown G45 GRUNDFOS UPM GEO 25 85 Relay output 8 A A12 PWM brown G46 GND blue G45 G12 Charge pump 2 WILO Stra...

Page 105: ...to the following terminal blocks G30 Circulation pump expansion card X5 Note the cable colours PWM white X5 pole 1 GND brown X5 pole 2 Check the function by test running the pump in menu Installer Se...

Page 106: ...re Hole charge pump G31 Refer to the wiring diagram Check the function by test running the pump in menu Installer Service Function test in the control system G40 Circulation pump for DHW 230 V 1N The...

Page 107: ...scharging 230 V 1N The circulation pump is connected to the following terminal blocks G43 circulation pump expansion card X7 Phase X7 pole 30 Zero X7 pole 32 Earth X7 pole 31 Check that the pump is co...

Page 108: ...ole A27 Brown cable Close pole A28 Blue cable Zero pole A29 Red cable Limit position pole A22 White cable Limit position pole A21 Check that the open and close signals are correctly connected by testi...

Page 109: ...otor is tted to the diverting valve by a screw To unfasten the motor remove the knob by pulling it off unfasten the screw and remove the motor To prevent faults turn the actuator and diverting valve t...

Page 110: ...y a screw To unfasten the motor remove the knob by pulling it off unfasten the screw and remove the motor To prevent faults turn the actuator and diverting valve to the starting position for tting as...

Page 111: ...are connected as shown in the table above On start up an alarm is given if the sensor is incorrectly connected Test the alarm sensor LED by testing the function in menu Installer Service Function tes...

Page 112: ...t to the outdoor sensor at the arrows NB Strip the wire ends and fold them double if light cable is used It is important that the contact in the connections is good 16 5 1 Sensor connection Mount the...

Page 113: ...sitions G15 and G16 Sensor type NTC 22k B3 Sensor primary ow to radiator system 3 Position on the primary ow to heating system 3 after radiator pump G3 The sensor is connected to expansion card X3 in...

Page 114: ...circuit card in positions G67 and G68 Sensor type NTC 22k B41 Sensor external storage tank upper Position in the sensor pipe or jacket surface on the upper part of the tank The sensor is connected to...

Page 115: ...h phase are tted on the fuse panel in the following manner Each phase from the electricity distribution board supplying the EcoHeat is channelled through a current sensor before termination at the rel...

Page 116: ...Heating circuit 2 Select On Check that the room sensor LED lights up If not check the cables and connection 3 Select Off If the LED goes off the check is complete Check connected sensors If any senso...

Page 117: ...he 2 plug from where the upper immersion heater 15 shall be installed 5 Install the immersion heater using a new greased at gasket Recom mended tightening torque 220 Nm 6 The cabling for the heater is...

Page 118: ...nd two at the bottom and then remove the plastic front Ensure that the display cable is disconnected before removing the front completely The cable is disconnected by pressing in the pin on the connec...

Page 119: ...er F2 Automatic circuit breaker F10 Max thermostat G1 Radiator pump 1 G2 Radiator pump 2 G3 Radiator pump 3 G6 Circulation pump ue gas G11 Charge pump 1 G12 Charge pump 2 G13 Charge pump 3 G30 Circula...

Page 120: ...122 CTC EcoZenith i550 Pro For the installer 20 Wiring diagram main card 3x400V...

Page 121: ...123 CTC EcoZenith i550 Pro For the installer...

Page 122: ...124 CTC EcoZenith i550 Pro For the installer 21 Wiring diagram main card 1x230V...

Page 123: ...125 CTC EcoZenith i550 Pro For the installer...

Page 124: ...126 CTC EcoZenith i550 Pro For the installer 22 Wiring diagram for expansion card...

Page 125: ...300 64 130 800 70 32 290 74 125 906 65 37 280 85 120 1027 60 43 270 98 115 1167 55 51 260 113 110 1330 50 60 250 132 105 1522 45 72 240 168 100 1746 40 85 230 183 95 2010 35 102 220 217 90 2320 30 123...

Page 126: ...and connected See the Electrical installation chapter 5 Check that the unit is correctly fused fuse panel 6 Check that the backup heating thermostat is in frost protection mode The backup heating the...

Page 127: ...actory set to Yes For heat pump operation the pumps in question are de ned 1 2 and 3 by selecting Yes For the relevant heat pump the type of heat pump must then be selected EcoPart or EcoAir followed...

Page 128: ...se rapporte est en conformit avec les exigences des normes suivantes to which this declaration relates is in conformity with requirements of the following directive auf das sich diese Erkl rung bezieh...

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