Alpha E-Tec 33 Hybrid Installation And Commissioning Instructions
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Alpha E-Tec 33 Hybrid Installation And Commissioning Instructions

Hybrid heat pump package
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Installation and Commissioning
Instructions
E-Tec Hybrid
Hybrid Heat Pump Package
For Technical help or for Service call ...
ALPHA HELPLINE Tel: 0344 871 8764
website: www.alpha-innovation.co.uk
Nepicar House, London Road,
Wrotham Heath, Sevenoaks,
Kent TN15 7RS
Leave these instructions with the User
These instructions have been carefully prepared but we reserve the right
Part No. 1.047201 rev. ST.006572/000
to alter the specification at any time in the interest of product improvement.
1022/D442
© Alpha Therm Limited 2022.

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Summary of Contents for Alpha E-Tec 33 Hybrid

  • Page 1 Installation and Commissioning Instructions E-Tec Hybrid Hybrid Heat Pump Package For Technical help or for Service call ... ALPHA HELPLINE Tel: 0344 871 8764 website: www.alpha-innovation.co.uk Nepicar House, London Road, Wrotham Heath, Sevenoaks, Kent TN15 7RS Leave these instructions with the User These instructions have been carefully prepared but we reserve the right Part No.

  • Page 2: Table Of Contents

    INTRODUCTION The Alpha E-Tec 33 Hybrid is a hybrid heat pump specifically designed to increase energy efficiency when replacing old appliances, even on traditional radiator systems. Thanks to its compact size, it represents the ideal solution to easily install a hybrid generator to replace an old gas boiler, with extremely easy installation and reduced installation time.

  • Page 3: Safety Symbols And Information

    Indicates useful tips or additional information. 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. PERSONAL PROTECTIVE EQUIPMENT SAFETY GLOVES SAFETY GOGGLES Alpha E-Tec Hybrid - Safety Symbols...
  • Page 4 TECHNICAL DATA TECHNICAL PERFORMANCE DATA E-TEC 33 HYBRID BOILER Domestic hot water maximum heating power kW (kcal/h) 28.8 (24.773) Central heating maximum heat input kW (kcal/h) 24.6 (21.194) DHW maximum useful heat output kW (kcal/h) 28.3 (24.295) CH maximum useful heat output kW (kcal/h) 24.1 (20.717)
  • Page 5 Gas flow rates refer to the NHV at the temperature of 15° C and pressure of 1013 mbar. Flue temperature values refer to an air inlet temperature of 15°C and flow/return temperature = 80/60°C. Alpha E-Tec Hybrid - Technical Data...

  • Page 6: Technical Data

    Maximum absorbed power (outdoor condensing unit) 2600 Fuse required / MCB Degree of protection C.H. sound power level dB(A) Type of refrigerant / (GWP) R32 / 675 Refrigerant fluid load (R32) 0.56 Weight Water content Alpha E-Tec Hybrid - Technical Data...

  • Page 7: General Boiler Information

    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.
  • Page 8 NOTE: To ensure correct operation of the heat pump a minimum water content in the system is required, which must be 20 litres for all kinds of systems. So attention must be paid to the systems spread over several zones, where the water content available to the unit changes continuously. Alpha E-Tec Hybrid - General Information...
  • Page 9 The graph, Fig. 4.4, shows the resistance (pressure drops) of the outdoor heat pump circuit as the system flow rate varies. For the correct connection of the outdoor unit, refer to the E-Tec EHP instructions. 1000 1200 1400 1600 Flow rate (l/h) Fig. 4.4 Alpha E-Tec Hybrid - General Information...
  • Page 10 10 m FRI 12:08 ° 15° 21.5 1 ..Alpha hybrid boiler (indoor unit) G ..Gas supply 2 ..Alpha heat pump (external unit) DHW ..Domestic hot water outlet 3 ..Smartech boiler mounted receiver MW ..
  • Page 11 X3 D+ A23 ..Alpha external heat pump X1 Br A30 ..Smartech boiler receiver B9 ..DHW inlet sensor (optional) R ..120 Ohm resistor 1 ..Power supply 2 ..Configurable relay Fig. 4.7 Power pack Receiver Fig. 4.8 Alpha E-Tec Hybrid - General Information...
  • Page 12 Air test point (pressure point -) Safety valve indicator Condensate trap Burner Filling loop 3 bar safety valve Primary return sensor Heating return isolation valve Expansion vessel with integrated filling valve Heating flow isolation valve Fig. 4.9 Alpha E-Tec Hybrid - General Information...
  • Page 13 Y1E ..Electronic expansion valve i ....Air purge Y1S ..Four way solenoid j ....Cap ..Screw connection k ....Antifreeze protection valve ..Flared connection l ....Vacuum switch ..Quick release connector m ....Filter B1PR ..Coolant pressure sensor Fig. 4.10 Alpha E-Tec Hybrid - General Information...
  • Page 14 DHW flow switch Automatic air vent Gas injector Boiler pump Gas valve 3 bar safety valve DHW heat exchanger By-pass Boiler drain point Diverter valve DHW temperature sensor Safety valve operation indicator Fig. 4.11 Alpha E-Tec Hybrid - General Information...

  • Page 15: Installation Of Heat Pump

    The effects of the wind can be further minimised by installed a deflector plate facing the unit air flow side (not supplied). Be at least 1m distance from any part of the outdoor unit and property boundary. Alpha E-Tec Hybrid - Installation of Heat Pump...
  • Page 16 - Snow cover or shelter (mm) b - Pedestal c - Prevailing wind direction d - Air outlet Fig. 5.2 Fig. 5.3 4× >300 (mm) (mm) a - Anti-vibration rubber Fig. 5.4 Fig. 5.5 Alpha E-Tec Hybrid - Installation of Heat Pump...
  • Page 17 3 Remove the fixing screws and remove the rear cover. 2× 4× a - Connection piece for b1 b1 - Freeze protection valve (for water drainage) (a+b1) b2 - Vacuum breaker (b2) Fig. 5.7 Alpha E-Tec Hybrid - Installation of Heat Pump...
  • Page 18 (flow from the heat pump, F in Fig. 5.2) by removing the cap present in the valve and replacing it with the vacuum breaker as shown in Fig. 5.13. Fig. 5.13 Alpha E-Tec Hybrid - Installation of Heat Pump...
  • Page 19 BUS Communication cable Indoor gas boiler power supply between outdoor unit and Control Power supply Max./Min.(V) Connection cable panel Single phase, ±10% 1.5 mm², 3 core 0.75 mm², 2 core 220-240V, 50Hz Alpha E-Tec Hybrid - Installation of Heat Pump...

  • Page 20: Operating Principals

    25 °C In “automatic” mode values Te1 and Te2 are determined by the system logic (by setting the "manual" mode, the value "Te2" corresponds to the value of "Te1" + 5 °C) Fig. 6.1 Alpha E-Tec Hybrid - Operating Principals...

  • Page 21: Smartech Control System Settings

    Fig. 7.1 The Alpha E-Tec Hybrid is supplied with the Smartech WiFi control for full remote set-up and control of the Hybrid system. For the initial set-up and user control please refer to the documentation supplied with the Smartech device.
  • Page 22 01 - 01 - 2017 < WINTER FRI 12:08 SUMMER < 11 : 43 DATE 23 - 07 - 2020 < WINTER < BACK SUMMER 09 : 57 01 - 01 - 2017 Alpha E-Tec Hybrid - Smartech Control System Settings...
  • Page 23 23 - 07 - 2020 < BACK < 09 : 57 < 09 : 57 01 - 01 - 2017 11 : 57 01 - 01 - 2017 01 - 01 - 2017 Alpha E-Tec Hybrid - Smartech Control System Settings...
  • Page 24 2 - Read DHW temperature display THERMOSTAT 3 - Read system flow temperature display 54 43 4 - Maximum system flow temperature (settable) < < 42 42 44 42 54 43 54 43 Alpha E-Tec Hybrid - Smartech Control System Settings...
  • Page 25 The outside temperature settings: TEmin = 0°C TEmax = 20°C < < < OFFSET OFFSET OFFSET Perform the same procedure described for the previous value, also for the other numerical values on the screen. Alpha E-Tec Hybrid - Smartech Control System Settings...
  • Page 26 FRI 12:08 < < ° 15° 21.5 FRI 12:08 < PROGRAM FRI 12:08 < < < Perform the same procedure described for the previous value, also for the other values on the screen. Alpha E-Tec Hybrid - Smartech Control System Settings...
  • Page 27 07:30 - 16:30 21. ° 07:30 - 16:30 21. ° 21:00 - 24:00 20. ° 16:30 - 21:00 23. ° 16:30 - 21:00 23. ° 21:00 - 24:00 20. ° 21:00 - 24:00 20. ° Alpha E-Tec Hybrid - Smartech Control System Settings...
  • Page 28 Hybrid boiler to be less efficient working against the building thermal mass SET ECO and building heat losses. PROGRAM ON FRI 12:08 FRI 12:08 20.5 ° 15° SET ECO 21.5 Alpha E-Tec Hybrid - Smartech Control System Settings...
  • Page 29 PROGRAM OFF Program Off: Enables manual mode, keeping the room temperature set by the user. FRI 12:08 ° 15° 21.5 FRI 12:08 PROGRAM FRI 12:08 PROGRAM OFF FRI 12:08 ° 15° 21.5 Alpha E-Tec Hybrid - Smartech Control System Settings...
  • Page 30 FRI 12:08 G Type 1.00 DIAGNOSTIC EN T INT < EN T DHW T INT T INT DHW IST DHW FRI 12:08 T BAND PUMP DIAGNOSTIC GLYCOL < DELTAT FRI 12:08 DIAGNOSTIC Alpha E-Tec Hybrid - Smartech Control System Settings...
  • Page 31 K = 9.588 (kWh/m ) G20 (m K = 25.48 (kWh/m ) Liquid gas (m K = 6.6 (kWh/L) liquid gas (L) G TYPE This parameter must be set to 1 0.00 - 9.99 Alpha E-Tec Hybrid - Smartech Control System Settings...
  • Page 32 0 = Off 1 = On Note: The system has other settings that have been placed inside the boiler control panel, see Section 3.12 internal unit PCB programming of the E-Tec 33 Hybrid. Alpha E-Tec Hybrid - Smartech Control System Settings...
  • Page 33 Smartech is 10 metres in open field. SIGNAL STRENGHT The maximum actual distance might be shorter if there are walls, ceilings or obstacles between the two items. STATUS DISCONNETED BATTERY 3.24 Alpha E-Tec Hybrid - Smartech Control System Settings...
  • Page 34 In the event of incorrect 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...

  • Page 35: Wiring Diagram

    WIRING DIAGRAM ILLUSTRATED WIRING DIAGRAM Alpha E-Tec Hybrid - Wiring Diagram...

  • Page 36: Error Codes And Fault Finding

    Where an error code is displayed use the following tables to identify the fault and possible causes. 10.2 BOILER ERROR CODES AND FAULT FINDING If any fault or anomaly persists, contact Alpha Heating Innovation Technical Helpline. The history of errors can be viewed in the 'INFO' menu - d9...
  • Page 37 Possible failure of one or both sensors Check sensor wiring and connections fault Check sensor resistance Return/flow sensor Possible failure of one or both sensors Check sensor wiring and connections fault Check sensor resistance Alpha E-Tec Hybrid - Error Codes and Fault Finding...
  • Page 38 Check the indicated components Pump with UPM4 Possible causes for this anomaly: Pump fault electronics ONLY 1. Low power supply voltage 2. Seized rotor Symbol with 3. Electrical fault steady red light Alpha E-Tec Hybrid - Error Codes and Fault Finding...
  • Page 39 High pressure switch error High pressure switch fault Check high pressure switch function and connections 1064 Compressor start The compressor does not start up properly Check compressor electrical connections anomally Heat pump compressor fault Alpha E-Tec Hybrid - Error Codes and Fault Finding...
  • Page 40 Error Fault Fault description Possible causes code 1065 Compressor anomaly Compressor power supply BUS not coherent Check compressor electrical connections Check heat pump PCB connections Check for water ingress on PCB electrics 1066 External temperature Outdoor air temperature sensor anomaly Check connections and position of outside sensor error sensor...

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