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Alpha E-Tec Hybrid - General Information

4.1 ELECTRICAL SUPPLY

ATTENTION:

The boiler supply cable must be connected to a 230 V ±10% / 50 Hz mains supply respecting L - N
polarity and earth connection;

, this must be connected to a fused 3 A double pole switch with class III overvoltage

category (contact separation of at least 3 mm in both poles) or a fused 3 A 3-pin plug and unswitched shuttered socket outlet
(both complying with BS 1363) in compliance with installation regulations.
The boiler is supplied with a 'Special X' type electrical connection with a PVC <HAR> H05VV-F 3 x 0.75 cable without a plug.
If the power cable is damaged or replaced, it must be replaced with a cable supplied by Alpha or authorized After-Sale
Technical Service. Replacement is recommended using a qualified company in order to prevent any risk.
The outdoor heat pump supply cable (not supplied) must be suitable for outdoor installation and must have at least a flexible
polychloroprene sheath (code IEC:60245 IEC 57 / CENELEC:H05RN-F).
The appropriate cable section can be 2.5 - 4 mm

2

, to be checked depending on the specific installation conditions.

The boiler and heat pump must be earthed.

Wiring external to the boiler must be in accordance with the current IEE Wiring Regulations (BS 7671).
If the boiler is locked out and an error code is shown on the display, the

RESET

button can be pressed to try and clear the fault.

If the fault still occurs after pressing the

RESET

button, then contact an approved engineer or Alpha service support department.

4.2 BOILER DIMENSIONS AND CONNECTIONS

F

......... Flue centreline

C

......... Condensate drain (min. internal Ø = 13 mm)

FL

....... System flow - 22mm

R

......... System return - 22mm

G

......... Gas - 22mm

MW

..... Mains inlet - 15mm

DHW

... DHW outlet - 15mm

W

........ Wiring entry point

Case top panel

440

220

220

252

135

30

65 70 95

95 70 45

275

268

120

11

8

36

25

687

748

W

R

FL

G DHW MW

C

R

FL

MW

DHW

G

F

F

Fig. 4.1

4 GENERAL INFORMATION

Outdoor E-Tec heat pump

Nominal Values

Field of Tolerable

Voltage

Maximum absorbed current

(MAC) in normal operation

Supply fuse/MCB required

for Control (100mA RCD)

Hz

V

V

V

A

A

50

220 - 240

198

264

10.3

16

Boiler power supply

BUS Communication cable

between outdoor heat pump and

Control panel

Power supply

Max./Min.(V)

Connection cable

220-240V AC, 50Hz

±10%

0,75 - 1.5 mm², 3 core

0.75 - 1.5mm², 2 core (shielded)

7

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Содержание E-Tec 33

Страница 1: ...ical help or for Service call ALPHA HELPLINE Tel 0344 871 8764 website www alpha innovation co uk Leave these instructions with the User These instructions have been carefully prepared but we reserve the right to alter the specification at any time in the interest of product improvement Alpha Therm Limited 2022 Part No 1 047201 rev ST 006572 000 1022 D442 ...

Страница 2: ...activation of the pump and of the boiler if required isolating valves for flow and return with vacuum breaker valve The cooling circuit is hermetically sealed R32 coolant Inertial buffer tank only required for systems with water content lower than 20 litres Wall mounted indoor boiler unit which includes Total pre mixing combustion system with steel multigas cylindrical burner complete with ignitio...

Страница 3: ...ND UNDERSTAND THE INSTRUCTIONS Read and understand the appliance s instructions before performing any operation carefully following the indications provided INFORMATION Indicates useful tips or additional information SAFETY GLOVES SAFETY GOGGLES The user must not dispose of the appliance at the end of its service life as municipal waste but send it to appropriate collection centres GENERIC HAZARD ...

Страница 4: ...max working pressure bar 3 System expansion vessel nominal real capacity litres 8 0 5 8 System expansion vessel factory set pressure bar 1 0 Minimum design system flow rate L h 500 Head with 1000 l h flow rate kPa m c a 40 6 4 1 Minimum system water content litres 20 DHW circuit Hot water production useful heat output kW kcal h 28 3 24 295 DHW adjustable temperature C 30 60 Domestic hot water circ...

Страница 5: ...ney losses with burner off 0 02 0 02 Casing losses with burner on 100 Pn 80 60 C 0 2 0 2 Casing losses with burner on Pmin 80 60 C 2 3 2 3 Casing losses with burner off 0 34 0 34 Flue gas temperature Maximum Heat Input C 70 70 Flue gas temperature Minimum Heat Input C 64 63 Flue flow rate at Central Heating Maximum Heat Input kg h 38 37 Flue flow rate at Maximum Domestic Hot Water Heat Input kg h ...

Страница 6: ...1 33 Absorbed power in CH mode with water set at 35 C Air 2 C kW 0 79 Absorbed power in CH mode with water set at 35 C Air 7 C kW 1 31 CH mode nominal COP with water set at 35 C Air 7 C 4 55 CH mode nominal COP with water set at 45 C Air 7 C 3 30 CH mode nominal COP with water set at 55 C Air 7 C 2 50 CH mode nominal COP with water set at 35 C Air 2 C 3 78 CH mode nominal COP with water set at 35 ...

Страница 7: ... 2 5 4 mm2 to be checked depending on the specific installation conditions The boiler and heat pump must be earthed Wiring external to the boiler must be in accordance with the current IEE Wiring Regulations BS 7671 If the boiler is locked out and an error code is shown on the display the RESET button can be pressed to try and clear the fault If the fault still occurs after pressing the RESET butt...

Страница 8: ...losed For correct operation of the system the boiler by pass must be kept closed It is essential for correct operation that a branch of the system always remains open otherwise it will be required to install an external by pass especially in the case of zone valves or thermostatic valves on the radiators the purpose is to allow the antifreeze function to be carried out which occurs when the pump i...

Страница 9: ...system subtract the head losses of the outdoor heat pump from the available head of the boiler Fig 4 4 4 5 OUTDOOR HEAT PUMP HEAD LOSS The resistance of the hydraulic circuit of the outdoor heat pump must be taken into account when calculating the flow rate and head values available to the system The graph Fig 4 4 shows the resistance pressure drops of the outdoor heat pump circuit as the system f...

Страница 10: ...quired to convey the condensate drain of the heat pump and boiler NOTE System minimum water content To ensure correct operation of the heat pump it is necessary to maintain a minimum water content in the system equal to 20 litres for any type of system it is also necessary to have a loop that is always open on the system to allow the heat pump to perform the antifreeze function Maximum length of p...

Страница 11: ...st be provided between the Smartech boiler receiver unit and the external heat pump observing the polarity The receiver must also be connected 4 wires to the terminal board of the boiler The fitting and connection of the receiver Fig 4 8 is necessary for the operation of the hybrid heat pump and for programming its settings Alpha E Tec Hybrid General Information A23 A30 B9 Max 2A 230 VAC 230V AC 5...

Страница 12: ...int 18 Air test point pressure point 19 Burner 20 Primary return sensor 21 Fan 22 Automatic air vent 23 Boiler pump 24 Primary pressure switch 25 DHW heat exchanger 26 Diverter valve 27 By pass 28 Drain point 29 Safety valve indicator 30 Filling loop 31 Heating return isolation valve with integrated filling valve 32 Heating flow isolation valve Gas Condensate discharge and expansion relief Primary...

Страница 13: ...PR Coolant pressure sensor Shut off valve Standard supplied shut off valves M1C Compressor motor M1F Fan motor R1T External probe R1T t Water outlet probe R2T Evaporator probe R3T Compressor outlet probe R3T t Liquid phase probe R4T t Water inlet probe S1PH High pressure switch Y1E Electronic expansion valve Y1S Four way solenoid Screw connection Flared connection Quick release connector Shut off ...

Страница 14: ...int 14 DHW temperature sensor 15 Test points air A flue F 16 Flue temperature sensor 17 Four fixing nuts for item 18 18 Combustion chamber front assembly 19 Primary heat exchanger 20 Venturi 21 Primary return temperature sensor 22 Primary pressure switch 23 Automatic air vent 24 Boiler pump 25 3 bar safety valve 26 By pass 27 Diverter valve 28 Safety valve operation indicator 4 10 BOILER MAIN COMP...

Страница 15: ...t is able to withstand its weight Be placed on a slab that is hard enough and which does not transfer any vibrations to the underlying or adjacent rooms In any case provide a space of at least 100 mm under the unit to avoid operating problems in the event of heavy snow Where there is a risk of snow build up or leaves increase the clearance Use the vibration dampening supports supplied with the uni...

Страница 16: ...mm above the maximum expected snowfall or alternatively use wall support brackets see Fig 5 5 optional to protect the unit from direct snowfall and take care that the unit is NEVER buried under snow The unit must be installed in a position protected from snow falling from above If this is not possible you must at least prevent the snow from clogging the air coolant exchanger even by constructing a...

Страница 17: ...er gas heat exchanger when there is a power cut For example insert an appropriate quality non hazardous antifreeze liquid into the heating system In this case the instructions of the manufacturer of this liquid must be followed scrupulously regarding the percentage necessary with respect to the minimum temperature at which the system must be kept An aqueous solution must be made with potential pol...

Страница 18: ...emoving the cap present in the valve and replacing it with the vacuum breaker as shown in Fig 5 13 1 2 3 b2 1 Remove the clip 2 Remove and discard the stop with sealing washer 3 Attach the freeze protection valve b1 to the connection piece a using thread sealant 4 Attach the connection piece to the heat pump unit 5 Replace the clip 6 Replace the rear front and top covers 1 2 a b1 Fig 5 8 Fig 5 9 F...

Страница 19: ...dard supplied must be suitable for outdoor installation and must have at least a flexible polychloroprene sheath code IEC 60245 IEC 57 CENELEC H05RN F Indicatively the appropriate cable section can be 2 5 x 4 mm2 to be checked depending on the specific installation conditions Outdoor Unit Nominal Values Field of Tolerable Voltage Maximum absorbed current MAC in normal operation Supply fuse MCB req...

Страница 20: ...an or equal to the convenience COP are activated Also in the latter case if in the waiting time which can be set in the specific parameter menu you do not reach the set delivery set the boiler is also activated in series and at the same time Simultaneous operation significantly increases the number of hours in which the heat pump is active in the heating period for most of the time the heating req...

Страница 21: ...ge for example date connection status error 2 Temperature degree symbol Heating request DHW request 3 Detected room temperature 4 Set room temperature 5 Weather if connected to internet 6 Outdoor temperature if connected to internet 7 STAND BY operating mode SUMMER operating mode WINTER operating mode 8 Battery level 100 Battery level 75 Battery level 50 Battery level 25 Battery flat 9 Automatic m...

Страница 22: ... the calendars 20 21 5 15 4 FRI 12 08 SETTINGS FRI 12 08 DATE FRI 12 08 A 09 57 01 01 2017 BACK 09 57 01 01 2017 A A 09 57 01 01 2017 A 11 43 23 07 2020 7 2 OPERATING MODE Mode To define the operating mode of the boiler refer to the boiler instructions 20 21 5 15 4 FRI 12 08 MODE FRI 12 08 SUMMER OFF WINTER OFF WINTER SUMMER OFF WINTER SUMMER 20 21 5 15 4 FRI 12 08 Alpha E Tec Hybrid Smartech Cont...

Страница 23: ... 01 01 2017 BACK A 09 57 01 01 2017 09 57 01 01 2017 M 09 57 01 01 2017 A 09 57 01 01 2017 M 09 57 01 01 2017 M 01 01 2017 M 09 57 01 01 2017 M 11 57 11 57 01 01 2017 M 11 57 01 01 2017 M Perform the same procedure carried out for the hours also for minutes day month and current year 11 43 23 07 2020 M 11 43 23 07 2020 M BACK Alpha E Tec Hybrid Smartech Control System Settings 23 ...

Страница 24: ... 42 42 54 43 20 21 5 15 4 FRI 12 08 SETTINGS FRI 12 08 THERMOSTAT FRI 12 08 SET SET 42 42 54 43 SET SET 42 42 54 43 SET SET 44 42 54 43 SET SET 44 42 54 43 SET SET 42 42 54 43 SET SET 44 42 54 43 Perform the same procedure described for the DHW temperature 3 2 1 4 1 DHW temperature settable 2 Read DHW temperature display 3 Read system flow temperature display 4 Maximum system flow temperature sett...

Страница 25: ...OFFSET TM MAX TM MIN 20 TE MIN TE MAX 05 025 45 ON 03 OFFSET TM MAX TM MIN 20 TE MIN TE MAX 05 025 45 ON 03 OFFSET TM MAX TM MIN 20 TE MIN TE MAX 05 025 45 ON Perform the same procedure described for the previous value also for the other numerical values on the screen 02 OFFSET TM MAX TM MIN 25 TE MIN TE MAX 03 030 45 ON TM max Max flow temperature TM min Min flow temperature TE max Max external t...

Страница 26: ...1 C1 C2 C1 C1 C1 C1 C2 C1 C1 C1 C1 SUN MON TUE WED THU FRI SAT C1 C2 C1 C1 C1 C3 SUN MON TUE WED THU FRI SAT C3 C1 C2 C1 C1 C1 SUN MON TUE WED THU FRI SAT C3 C2 C1 C4 C1 C1 SUN MON TUE WED THU FRI SAT Perform the same procedure described for the previous value also for the other values on the screen C3 C2 C1 C4 C3 C2 C2 SUN MON TUE WED THU FRI SAT Alpha E Tec Hybrid Smartech Control System Setting...

Страница 27: ... 16 30 21 5 16 30 21 00 23 5 21 00 24 00 20 5 CAL2 TIME T 06 30 07 30 22 5 07 30 16 30 21 5 16 30 21 00 23 5 21 00 24 00 20 5 TIME T 06 30 07 30 22 5 07 30 16 30 21 5 16 30 21 00 23 5 21 00 24 00 20 5 CAL2 TIME T 06 00 07 30 22 5 07 30 17 30 21 5 17 30 21 00 23 5 21 00 24 00 20 5 CAL3 CAL3 TIME T 22 5 21 5 23 5 20 5 06 00 07 30 07 30 17 30 17 30 21 00 21 00 24 00 PASTE TIME T 22 5 21 5 23 5 20 5 0...

Страница 28: ...08 SET ECO FRI 12 08 20 5 SET ECO FRI 12 08 20 5 SET ECO FRI 12 08 22 5 SET ECO FRI 12 08 22 5 20 21 5 15 4 FRI 12 08 PROGRAM FRI 12 08 PROGRAM ON FRI 12 08 20 21 5 15 4 FRI 12 08 It is recommended to set the ECO temperature at 15 C to maintain efficiency Lower ECO settings will cause the Hybrid boiler to be less efficient working against the building thermal mass and building heat losses Alpha E ...

Страница 29: ...Program Off Enables manual mode keeping the room temperature set by the user 20 21 5 15 4 FRI 12 08 PROGRAM FRI 12 08 PROGRAM OFF FRI 12 08 20 21 5 15 4 FRI 12 08 Alpha E Tec Hybrid Smartech Control System Settings 29 ...

Страница 30: ... centre Alpha E Tec Hybrid Smartech Control System Settings 20 21 5 15 4 FRI 12 08 SETTINGS FRI 12 08 DIAGNOSTIC FRI 12 08 DIAGNOSTIC FRI 12 08 0 1 0 1 ON OFF MTA OFF BP 2 0 TI 300 FREEZE 1 5 04 5 DIFFERENTIAL 1 00 INT A T SWITCH 0 P F1 0 34 P F2 2 5 0 34 P F3 0 34 P GAS 1 05 G Type OFF EN T INT ON EN T DHW ON T INT 020 T INT DHW 3 5 005 IST DHW 02 T BAND 03 PUMP GLYCOL OFF DELTAT 005 4 5 Z A C D ...

Страница 31: ...acted from the room set point which determines the end start of the heating request Range On Off 0 9 9 C 60 990 sec 0 10 0 C 0 1 1 5 C Default On 2 0 C 300 sec 4 5 C 0 1 C Advanced settings screen 1 5 Menu Parameter INT T SWITCH P F1 P F2 P F3 P GAS G TYPE Description Integration Mode Establishes the integration mode of the heat pump with the boiler It is possible to choose Automatic or Manual T S...

Страница 32: ...sor outlet temp N Cool temp on heat exchanger O Evaporator temp P Compressor frequency Q Heat pump initialisation R Heat pump operational S T Hot start U Cold start V Heat pump heating request Z Heat pump DHW request Description Function for gas removal on water gas heat exchanger Temperature switch value in manual mode not used not used not used not used not used Heat pump flow set temperature He...

Страница 33: ...NA STATUS PAIRING BATTERY 3 24 HW VERSION IMMERGAS STD 2 0 SW VERSION 1 12 BLE CONNECTIONS 00000 BLE STATUS NOT START 0 Note The Signal strength field indicates the quality of the Bluetooth transmission between the boiler and the Smartech It is recommended to use this indication when looking for the proper position of the Smartech The indications provided are as follows Excellent Stable and strong...

Страница 34: ...rect programming of the Smartech settings default values can be reset as follows Enter the Diagnostic menue Section 7 10 and press 5 times until the word DEFAULT appears in the SIGNAL STRENGTH screen Alpha E Tec Hybrid Smartech Control System Settings 34 ...

Страница 35: ...nsor B9 DHW inlet sensor optional B10 Flue sensor E3 Ignition and detection electrode M1 Boiler pump M20 Fan M30 3 way valve motor R 120 Ohm resistor Low voltage connections 230 V connections B2 S4 1 G GY GY G Fuse 3 15 AF 230 V Vcc HS UB GND Vcc M20 Bl W R Bk Br Br R Bl W Bk 1 5 J3 6 1 9 1 X1 X6 X5 7 1 T1 J2 4 1 J1 3 1 Bl Br Bk Bl Y Or Br X3 4 1 X9 4 1 Bk Y Br X2 1 5 Gy Gy G G Bl X4 1 6 Y Y R Bk ...

Страница 36: ...n or sensor faulty Refer to fault history codes INFO menu d9 to reset by turning the boiler off and on If it will not clear replace PCB Check expansion vessel pressure 1 bar Leak in system Expansion relief valve operated Primary pressure switch Check sensor wiring and connections Check sensor resistance Check the settings of the A family parameters Check fan wiring connections Fan fault PCB fault ...

Страница 37: ...r or a circuit restriction Possible wiring fault sensors incorrectly fitted system blocked Possible failure of one or both sensors Possible failure of one or both sensors Replace PCB Air in heat exchanger Isolation system valves closed Check wiring power to pump Pump seized blocked Pump failed Check sensor wiring and connections Check sensor resistance Remote control or receiver connection wiring ...

Страница 38: ...conds then release Boiler display will return and you can select an operating mode Incorrect power supply Seized or sticking pump Check pump for free rotation Boiler component drawing excessive current Check individual components in turn There can be three possible causes for this anomaly 1 Low power supply voltage When the minimum voltage is reached after about two seconds the LED turns from red ...

Страница 39: ...amage or incorrect readings Check sensor fitting Check sensor connections Check sensor for damage or incorrect readings Check pipework is connected correctlly Check flow sensor Check gas boiler diverter valve Check pipe connections Check all valves are open Check for blockages or flow restrictions Check pipe connections Check all valves are open Check for blockages or flow restrictions Check cable...

Страница 40: ... operating time Blocked damaged evaporator fins Restricted air flow across evaporator Check clearances and obstructions around heat pump Check and clean evaporator fins High ambient temperature operation Blocked damaged evaporator fins Restricted air flow across evaporatorCheck clearances and obstructions around heat pump Check and clean evaporator fins Expansion valve fault Check sensor location ...

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