Immergas MAGIS M4-30 Use And Installation
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Immergas MAGIS M4-30 Use And Installation

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Summary of Contents for Immergas MAGIS M4-30

  • Page 1 MAGIS Instructions and warnings M4-30 Block heat pumps Use and Installation...
  • Page 3 Read the following pages carefully: you will be able to draw useful tips on the proper use of the device, compliance with which will con rm your satisfaction with the Immergas product.

  • Page 4: Table Of Contents

    Introduction ..................5 Overview of the unit..............49 General safety warnings............. 7 9.1 Disassembling the unit............. 49 General Introduction..............11 9.2 Main components ..............50 Accessories................. 14 9.3 Electronic control box.............. 52 3.1 Accessories supplied with the units 4-16 kw......14 9.4 Water pipes.

  • Page 5: Introduction

    INTRODUCTION Magis M 8/12/14/16 Internal arrangement: Magis M 12-16 T Sistema di controllo elettrico Morsettiera Sistema idraulico Sistema di refrigerazione Si prega di rimuovere il pannello a er installation. di protezione dopo l'installazione. Magis M 4/6 Magis M 8/12/14/16 Eliminate the transport mount Magis M 12/14/16...
  • Page 6 Wiring diagram Sistema di controllo elettrico Morsettiera Sistema idraulico Sistema di refrigerazione NOTA NOTE NOTA NOTE e maximum length of the wiring that guarantees communication between the heat pump and the control panel is 50 m. e power cables and communication wires are laid separately and cannot be placed in the same duct. Otherwise there would be electromagnetic interference.

  • Page 7: General Safety Warnings

    GENERAL SAFETY WARNINGS. e precautions listed below are divided into the following types. ey are rather important and therefore must be followed carefully. Meaning of DANGER, WARNING, CAUTION and NOTE symbols. INFORMAZIONI INFORMATION damage to the equipment. Make sure to only use accessories made by the supplier, which are speci cally designed for the appliance and make sure that installation is performed by a skilled professional.
  • Page 8 is symbol indicates that the appliance in question used a ammable refriger- ant. ere is a risk of re if the refrigerant leaked or was exposed to an external ignition source. is symbol indicates to carefully read the user manual. is symbol indicates that service personnel must handle the appliance while referring to the installation manual is symbol indicates that service personnel must handle the appliance while...
  • Page 9 AVVERTENZA by su ocation if they play with plastic bags. • Safely dispose of packaging materials such as nails or other metal or wooden parts which could cause injury. • Ask your dealer or quali ed personnel to perform the installation jobs in compliance with this manual. Do not install the unit on your own.
  • Page 10 CAUTION o not install the unit in the following places: - Where there is mineral oil mist, oil spray or vapours. e plastic components could deteriorate and cause detachment or leakage of water. - Where corrosive gases are produced (such as sulphurous acid gas). Where the corrosion of copper pipes or welded parts can lead to refrigerant leaks.

  • Page 11: General Introduction

    GENERAL INTRODUCTION. • Magis M4-30 block heat pumps are used both for heating and cooling applications and for domestic hot water tanks. ey can be coupled with fan coils, oor heating applications, low-temperature high-e ciency radiators, domestic hot water tanks and solar kits.
  • Page 12 MODALITÀ DI RAFFREDDAMENTO utdoor temperature (°C) T4 Temperatura esterna (°C) Temperatura del flusso acqua (°C) °C) Range di funzionamento mediante pompa di calore con restriction and protection. possibile limitazione e protezione. MODALITÀ DI RISCALDAMENTO TING MODE T4 Temperatura esterna (°C) utdoor temperature (°C) Temperatura del flusso acqua (°C) °C)
  • Page 13 MODALITÀ DI RAFFREDDAMENTO T4 Temperatura esterna (°C) utdoor temperature (°C) °C) Temperatura del flusso acqua (°C) MODALITÀ DI RISCALDAMENTO TING MODE utdoor temperature (°C) T4 Temperatura esterna (°C) °C) Temperatura del flusso acqua (°C) MODALITÀ DI RISCALDAMENTO DELL'ACQUA SANITARIA T4 Temperatura esterna (°C) utdoor temperature (°C) Temperatura del flusso acqua (°C) °C)

  • Page 14: Accessories

    3.1 ACCESSORIES SUPPLIED WITH THE UNITS 4 16 KW. Name Shape Quantity Name Shape Quantity Temperature probe for domestic hot water (T5) or zone 2 (Tw2) Use and maintenance manual or thermostat controlled storage tank (Tbt1) Control Panel manual Drain pipe Technical data manual Energy label Tighten the clip to use the cli-...

  • Page 15: Accessories Supplied With The Units 18-30 Kw

    ACCESSORIES SUPPLIED WITH THE UNITS 18 30 KW. Name Shape Quantity Name Shape Quantity Use and maintenance manual Y-shaped lter Water outlet connection pipe Control Panel manual group Technical data manual Control panel Probe for domestic hot water Water inlet pipe adapter tank (T5)* Extension cable for T5 Network adapter**...

  • Page 16: Prior To Installation

    • Prior to installation. Make sure to con rm the model name and serial number of the unit. • Handling. Due to the relatively large size and heavy weight of the unit, it must only be handled with li ing equipment with harnessing. e harnesses can be tted in the sleeves on the base frame, speci cally made for this purpose.

  • Page 17: Important Information On The Refrigerant

    Il gancio e il centre of gravity of baricentro dell'unità the unit must be devono essere su una linea in direzione on a vertical line to verticale per evitare avoid an improper un'inclinazione impropria Far passare le fasce come pass as shown in indicato nell’immagine the image...

  • Page 18: Installation Site

    INSTALLATION SITE. installed indoors, an additional refrigerant detection device must be added in addition to a further ventilation appliance pursuant to standard EN378. Make sure to take adequate measures so that the unit is not used to house small animals. •...
  • Page 19 will do). Turn the outlet side of the air towards the wall of the building, fence or screen. 4-6 kW ≥ 1000 mm 8-16 kW ≥ 1500 mm Make sure there is su cient space for installation. Arrange the outlet side at a right angle with respect to the wind direction. repare a water discharge channel around the foundation, to drain the water around the unit.
  • Page 20 will do). Turn the outlet side of the air towards the wall of the building, fence or screen. Arrange the outlet side at a right angle with respect to the wind direction. repare a water discharge channel around the foundation, to drain the water around the unit. •...

  • Page 21: Selection Of A Cold Weather Location

    SELECTION OF A COLD WEATHER LOCATION. See Chap. “Handling” in section “4 Prior to installation”. NOTE o avoid exposure to wind, install the unit with the intake side facing the wall. • Never install the unit in a place where the intake side can be directly exposed to the wind. •...

  • Page 22: Installation Precautions

    INSTALLATION PRECAUTIONS. 7.1 DIMENSIONS. Models 8-16 kW 1” 1-1/4” 4-6 kW 1295 mm 397 mm 429 mm 760 mm 265 mm 105 mm 225 mm 712 mm 81 mm 8-16 kW 1385 mm 482 mm 526 mm 760 mm 270 mm 60 mm 221 mm 865 mm...

  • Page 23: Installation Requirements

    .2 INSTALLATION REQUIREMENTS. • Check the strength and level of the ground where the unit is installed so that it does not vibrate or make noise during operation. • Secure the appliance rmly with anchor bolts according to the foundation drawing in the gure. (Prepare four series of Φ...

  • Page 24: Clearance Requirements For Maintenance

    .4 CLEARANCE REQUIREMENTS FOR MAINTENANCE. 7.4.1 Models 4-16 kW. • In case of stacked installation. 1) If there are obstacles obstructing the outlet side. 4-6 kW ≥ 1000 mm 8-16 kW ≥ 1500 mm 2) If there are obstacles obstructing the air inlet. For assembly in several rows (on roofs, etc.) In case of installation of several units in rows side-by-side.
  • Page 25 4-6 kW ≥ 2500 mm ≥ 1000 mm ≥ 300 mm ≥ 600 mm 8-16 kW ≥ 3000 mm ≥ 1500 mm 7.4.2 Models 18-30 kW. 1) Installation of a single unit. (Parete od ostacolo) Ingresso aria >300 Mantenere il cablaggio and piping e le tubazioni Ingresso aria...

  • Page 26: Control Panel Installation Manual

    .5 CONTROL PANEL INSTALLATION MANUAL. 7.5.1 Safety precautions. • Read the safety precautions carefully before installing the unit. • It is recommended to strictly abide by the important safety tips given below. • Make sure that nothing anomalous occurs during execution of the test and completion of installation, then deliver the manual to the user.
  • Page 27 Notes for installation of the control panel. is installation manual contains information on how to install the control panel. e control panel is a low-voltage circuit. Never connect it to a normal 220V/380V circuit, or insert it in the same conduit as the circuit wiring.
  • Page 28 Installation of rear cover. Foro vite presente per M4X20 tre M4X20 Posizione di chiusura Coperchio posteriore Foro vite presente su scatola di derivazione 86, 86, use two M4X25mm utilizzare due M4X25mm Coperchio anteriore Cacciavite screwdriver a taglio Foro vite presente per M4X20 tre M4X20 Coperchio...
  • Page 29 Stucco Stucco Stucco Cavo Cable Ripiegato Cavo Cavo Ripiegato Ripiegato To prevent water from penetrating into the control panel, use anchoring and stucco to seal the passage holes when install- ing the wires. 7.5.4 Installation of front cover. A er having positioned the front cover, close it without blocking the wire during installation. il sensore deve essere sheltered from humidity al riparo dall’umidità...

  • Page 30: Typical Application Examples

    TYPICAL APPLICATION EXAMPLES. e following application examples are for illustrative purposes only for units 4-16 kW. 8.1 UNITS 4 16 KW: APPLICATION 1. Interno Esterno FHL1 FHL2 FHLn 11.2 Modbus 11.1 11.3 Assembly unit Code Assembly unit Main unit Domestic hot water tank Control panel 11.1 TBH: Heater of DHW storage tank...
  • Page 31 TBH (tank booster heater) control. e TBH function is set on the control panel (Chap. 10.1 Overview of DIP switch settings) 1) When the TBH is set so as to be valid, TBH can be activated by means of the FAST DHW function on the control panel; in DHW mode, TBH will be activated automatically when the initial temperature T5 of the domestic hot water is too low or when the target temperature of the domestic hot water is too high at low room temperature.
  • Page 32 ith Indoor unit backup heater. Assembly unit Code Assembly unit Main unit 11.2 Coil, heat exchanger for heat pump Control panel Filter (accessory) Sv1: 3-way valve Control valve Balance tank Cut-o valve Automatic air purge valve Filling valve Discharge valve Discharge valve P_o: External circulation pump Tap water inlet pipe...

  • Page 33: Units 4-16 Kw: Application 2

    UNITS 4 16 KW: APPLICATION 2. e ROOM THERMOSTAT control for space heating or cooling can be set on the control panel. It can be set in three modes: MODE SET/ONE ZONE/DOUBLE ZONE. e unit can be connected to a high-voltage room thermostat and to a low-voltage room thermostat.
  • Page 34 Mode setting control. Interno Esterno FCU1 FCU2 FCUn FHL1 FHL2 FHLn Assembly unit Code Assembly unit Main unit Cut-o valve User interface Discharge valve Balance tank Manifold/distributor Automatic air purge valve Bypass valve Discharge valve SV2: 3-way valve P_o: External circulation pump Room thermostat Expansion vessel Floor heating circuit...
  • Page 35 Double zone control. Interno Esterno RAD.1 ZONA1 S20-2 RAD.2 S20-1 RAD.n ZONA2 23.1 23.2 Modbus FHL1 FHL2 FHLn Assembly unit Code Assembly unit Main unit Discharge valve Control panel Manifold/distributor Balance tank Mixing kit Automatic air purge valve 23.1 SV3: Mixing valve Discharge valve 23.2 P_c: Zone 2 circulation pump...
  • Page 36 e oor heating circuits require a lower water temperature in heating mode than the radiators or fan coil unit. A mixing kit is used to reach these two set points to adapt the water temperature based on the requirements of the oor heating circuits.

  • Page 37: Units 4-16 Kw: Cascade System

    UNITS 4 16 KW: CASCADE SYSTEM. Assembly unit Code Assembly unit Code Assembly unit Tsolar: Solar temperature sensor Master Unit Hot water cock (optional) 1.2... n Slave Unit Solar panel Manifold/distributor Control panel P_d: Pump for DHW pipes Bypass valve T5: DHW temperature sensor Sv1: 3-way valve Mixing kit...
  • Page 38 Space heating. All the slave units can work in space heating mode. e operation mode and temperature setpoint are set on the control panel (2). Due to the variations of the outdoor temperature and of the load required indoors, several outdoor units can operate at di erent times.

  • Page 39: Units 18-30 Kw: Application 1

    8.4 UNITS 18 30 KW: APPLICATION 1. Space heating with a room thermostat connected to the unit. S20-1 ---- FHL1 FHL2 ---- FHLn Assembly unit Code Assembly unit Heat pump S20-1 Room thermostat Pressure gauge Discharge valve Pressure relief valve Filling valve Expansion vessel Balance tank...

  • Page 40: Units 18-30 Kw: Application 2

    UNITS 18 30 KW: APPLICATION 2. Space heating without a room thermostat connected to the unit. e domestic hot water tank is connected to the unit and the tank has the solar heating system. 12.1 12.1 12.3 12.2 ---- ---- FHL1 FHL2 FHLn...
  • Page 41 Operation of the circulation pump. e circulation pump (1.7) and (10) runs as long as the unit is on for space heating. e circulation pump (1.7) runs as long as the appliance is on for domestic hot water (DHW) heating. •...

  • Page 42: Units 18-30 Kw: Application 3

    UNITS 18 30 KW: APPLICATION 3. Application for space heating and cooling with a room thermostat suitable for switching heating/cooling when connected to the unit. Heating is supplied by the oor heating circuits and the fan coils. Cooling is only carried out by the fan coils. Domestic hot water is supplied by the domestic hot water storage tank connected to the unit.
  • Page 43 Pump operation and space heating and cooling. e unit will switch to heating or cooling mode depending on the setting made on the room thermostat. When the room thermostat (S20) demands space heating/cooling, the pump is activated and the unit (1) switches to heating/cooling mode. e unit (1) will run to reach the required cold/hot water outlet temperature.

  • Page 44: Units 18-30 Kw: Application 4

    7 UNITS 18 30 KW: APPLICATION 4. Application with double setpoint function with two room thermostats, connected to the unit. • Space heating with application of two room thermostats by means of oor heating and fan coils. e oor heating circuits and the fan coils require di erent operating water temperatures.
  • Page 45 NOTE ” as described in Chap. 9.7.6 Connection for other components/For the room thermostat, and the thermostat that is con- nected to input “C” must be positioned in the zone where the oor heating circuits are installed (zone B), the other connected to input “H”...

  • Page 46: Units 18-30 Kw: Application 5

    UNITS 18 30 KW: APPLICATION 5. Application with double setpoint function without room thermostat, connected to the outdoor unit. • Heating is supplied by the oor heating circuits and the fan coils. e oor heating circuits and the fan coils require dif- ferent operating water temperatures.
  • Page 47 NOTE tion of the water system. • Since the temperature sensor connected in the control panel is used to detect the room temperature, the control panel (4) must be located in the room where the oor heating circuits and the fan coils are installed and far from the heat- ing source.

  • Page 48: Units 18-30 Kw: Cascade System Application

    UNITS 18 30 KW: CASCADE SYSTEM APPLICATION. e units are installed in parallel and can be used for cooling, heating and hot water. • 6 units can be connected in parallel. For the connection diagram of the electric control system of the system in parallel, refer to Chap.

  • Page 49: Overview Of The Unit

    NOTE position of the system. • e junctions of the water inlet and outlet pipes of each unit of the parallel system should be connected with so tings, and the one-way valves must be installed on the water outlet pipe. •...

  • Page 50: Main Components

    tention not to injure your hands. MAIN COMPONENTS Hydraulic module 4-6 kW and 8-16 kW. 4-6 kW 8-16 kW Assembly unit Explanation e residual air in the water circuit will be removed automatically Automatic air purge valve from the water circuit. Expansion vessel Balances the pressure of the water system.
  • Page 51 12.2 Tw_ingresso 12.1 Tw_uscita Assembly unit Explanation e air le in the water circuit will be removed automatically Automatic air purge valve from the water circuit. Balances the pressure of the water system. Expansion vessel (Volume of expansion vessel 8 L) Circulation pump Circulates the water in the water circuit.

  • Page 52: Electronic Control Box

    ELECTRONIC CONTROL BOX. Models 4-6 kW. Scheda di controllo del board of modulo Inverter (PCB A) (PCB A) Scheda di controllo principale del sistema con Scheda di controllo principale del pompa di calore (PCB B) (PCB B) module modulo idraulico 8 kW model.
  • Page 53 Scheda di controllo principale del modulo idraulico Scheda di controllo del modulo Inverter (PCB A) module (PCB A) Scheda di controllo principale del pump (PCB B) sistema con pompa di calore (PCB B) ree-phase models 12-14-16 kW. Scheda di controllo principale del modulo idraulico Scheda di board of controllo del...
  • Page 54 Vista posteriore Vista anteriore Scheda di controllo principale dell’unità of unit (PCB B) Scheda Modulo Inverter (PCB B) board filtro (PCB A) (PCB C) (PCB C) Scheda di controllo principale del board of hydraulic modulo idraulico module 9.3.1 Main control panel of hydraulic module. CN24 CN21 CN28...
  • Page 55 Port Code Assembly unit CN21 POWER Power supply port Not used DIS1 Digital display EARTH Earth port CN28 PUMP Variable speed pump power input port CN25 DEBUG IC programming port S1,S2,S4,SW9 DIP Switch USB programming port Flow switch port Port for refrigerant liquid side temperature sensors, internal unit temperature (heating mode) Port for refrigerant gas side temperature sensors, internal unit temperature (cooling mode)
  • Page 56 Port Code Assembly unit IBH1/2_FB Feedback port for thermostat (in default short-circuit) IBH1 Port for backup heater CN22 IBH2 Reserved Control port for tank booster heater CN41 HEAT8 Port for anti-freeze electric heating tape (internal) CN40 HEAT7 Port for anti-freeze electric heating tape (internal) CN42 HEAT6 Port for anti-freeze electric heating tape (internal)
  • Page 57 2) PCB A, 12-16kW, Modulo Inverter CN19 CN20 CN32 CN502 CN23 CN501 Assembly unit Code Assembly unit U compressor connection port Port for communication with PCB B (CN32) V compressor connection port Port for high pressure switch (CN23) W compressor connection port Reserved (CN6) Fan port (CN19) Input port N for recti er jumper (CN502)
  • Page 58 3) PCB B, Scheda di controllo principale del sistema a pompa di calore CN10 CN27 CN11 CN22 CN24 CN17 CN26 CN28 CN13 CN55 CN18 CN14 CN29 CN7 CN5 CN6 CN16 CN19 CN21 CN33 CN2 CN30 CN36 CN37 CN38 CN20 26 25 24 Assembly unit Code Assembly unit...
  • Page 59 ree phase for units 12-14-16 kW. 1) PCB A, modulo inverter CN16 CN22 CN15 CN23 CN17 CN18 CN20 CN19 Assembly unit Code Assembly unit Output port for +15V (CN20) L1 power supply input port (CN16) W compressor connection port (CN19) P_in input port for IPM module (CN1) V compressor connection port (CN18) Port for communication with PCB B (CN8)
  • Page 60 2) PCB B, Scheda di controllo principale del sistema a pompa di calore CN41 CN26 CN24 CN36 CN21 CN18 CN31 CN29 CN10 CN35 CN11 CN28 CN20 CN37 CN27 V i n CN22 CN30 CN38 CN53 CN109 Assembly unit Code Assembly unit Port for earth cable (CN38) Port for Tp temperature sensor (CN8) Port for external room temperature sensor and con-...
  • Page 61 3) PCB C, scheda filtro Trifase 12/14/16 kW CN204 CN205 CN206 CN30 CN213 CN214 CN202 CN211 CN203 CN200 CN201 CN212 Assembly unit Code Assembly unit L2 power supply (CN201) Port for communication with PCB B (CN8) L3 power supply (CN200) L3 ltering power (L3) N power supply (CN203) L2 ltering power (L2)
  • Page 62 Assembly unit Output port for +15V (CN20) Port for communication with PCB B (CN8) W compressor connection port V compressor connection port U compressor connection port Input port P_out for IPM module Input port P_in for IPM module Input port for high pressure switch (CN23) Port for power supply change (CN2) L1 ltering port (L1) L2 ltering port (L2)
  • Page 63 20 V V i n Assembly unit Code Assembly unit Power supply port for PCB B (CN41) Power supply port for hydro-box control board (CN21) IC programming port (CN11) Port for another temperature sensor (CN35) Port for pressure sensor (CN6) Port for XYE communication (CN28) Port for intake temperature sensor (CN5) Port for 4-way valve (CN18)
  • Page 64 ts lter board Assembly unit Code Assembly unit L3 power supply (L3) Power supply port for main control board (CN30) L2 power supply (L2) L1 ltering power (L1) L1 power supply (L1) L2 ltering power (L2) N power supply (N) L3 ltering power (L3) Earth cable (PE1) Port for communication with PCB B (CN8)
  • Page 65 CN20 CN19 BLUE CN28 W(C) BLACK PCB A,Inverter CN24 CN21 Power PUMP V(S) board for 1phase CN16 CN32 IBH0 U(R) BLACK CN13 BROWN CN29 HEAT5 CN15 CN501 CN502 Heat belt CN18 COMP CN42 HEAT6 Heat belt CN40 HEAT7 Heat belt CN41 HEAT8 BROWN...
  • Page 66 CN20 CN32 BLUE CN28 W(C) BLACK PCB A,Inverter CN24 CN21 Power PUMP V(S) board for 1phase CN16 U(R) CN32 IBH0 BLACK CN13 BROWN CN501 CN29 HEAT5 CN15 Heat belt CN502 CN18 COMP CN42 HEAT6 Heat belt CN40 HEAT7 Heat belt HEAT8 CN41 Heat belt...
  • Page 67 BLACK BLACK CN16 BLACK H-SEN BROWN BROWN BROWN GRAY CN26 CN15 CN55 CN19 CN24 CN4 CN6 CN32 POWER GRAY ON/OFF H-SEN L-SEN CN41 CN17 GRAY O-COMP CN36 POWER-I CN18 CN21 DSP1 CN32 CN20 CN19 CN18 IBH0 Heat belt 1 2 3 1 2 3 CN33 Heat belt...

  • Page 69: Water Pipes

    WATER PIPES. All the lengths and distances from the pipes have been taken into consideration. e maximum admissible length of the cable of the temperature probe is 20 m. is is the maximum admissible dis- tance between the domestic hot water storage tank and the unit (only for installations with domestic hot water storage tank).
  • Page 70 ake sure that the components installed in the on- eld pipes can withstand the water temperature and pressure. • e drain cocks must all be installed in the low points of the system to completely drain the circuit during maintenance. •...
  • Page 71 e units are tted with an 8L expansion vessel with a default pre-pressure of 1.0 bar. e pre-pressure of the expansion vessel might need to be adjusted to guarantee proper operation of the unit. 1) Check that the total water volume of the system always available and not shut o , excluding the internal water volume of the unit, is at least 40L.
  • Page 72 Volume massimo dell’acqua [L] = expansion vessel pre-pressure Pre-pressione = pre-pressione del vaso di espansione Maximum water volume = maximum water volume in the system Volume massimo dell’acqua = volume massimo dell’acqua nel sistema A1 Sistema senza glicole A1 System without glycol A2 Sistema con il 25% di glicole propilenico A2 System with 25% propylene glycol Example 1...
  • Page 73 Water circuit connection. e water connections must be performed properly according to the labels applied on the heat pump, indicating water inlet and outlet. CAUTION cause the unit to malfunction. • Use a proper thread sealant to seal the connections. e seal must be capable of withstanding the pressures and tempera- tures of the system.

  • Page 74: Filling With Water

    “Anti-clockwise rotation, remove the ow switch. Dry the ow switch com- pletely. ” Mantenere asciutto CAUTION cut power, the water should be completely drained from the system to prevent the unit and pipes from being damaged by freezing. Furthermore, power must be cut from the unit a er the system has been emptied. XIC.

  • Page 75: Water Pipe Insulation

    NOTE of the automatic air purge valves during the initial hours of operation of the system. It could be necessary to top up water a erwards. • e water pressure varies depending on the water temperature (the higher the temperature the higher the pressure). Nonetheless, water pressure must always remain below 0.3 bar to prevent air from entering the circuit.
  • Page 76 7.2 Wiring overview. Models 4-16kW. e illustration below provides an overview of the eld wiring required between the di erent parts of the system. AHS1 AHS2 1AUS 2AUS DFT2 DFT1 IBH1 3AUS CN11 CN30 Innen Esterno Assembly unit Code Assembly unit Heat pump P_d: DHW pump Solar energy kit...
  • Page 77 Number of conductors Maximum operating Description AC/DC required current Signal cable of the solar energy kit 200 mA Control panel cable 200 mA Room thermostat cable 200 mA (a) Solar pump control cable 200 mA (a) External circulation pump control cable 200 mA (a) Domestic hot water pump control cable 200 mA (a)
  • Page 78 CAUTION ecure all the cables with clamps. • Systems equipped with a domestic hot water tank require a dedicated power supply circuit for the storage tank heater. Refer to the Use and installation manual of the domestic hot water storage tank. Fasten the wires in the order indicated below. •...
  • Page 79 Number of conductors Maximum operating Description AC/DC required current Signal cable of the solar energy kit 200 mA Control panel cable 200 mA Room thermostat cable 2 or 3 200 mA (a) Probe cable for Tw2 Domestic hot water pump control cable 200 mA (a) 10/11/23 3-way valve control cable...
  • Page 80 7.3 Precautions for electric power wiring. When connecting the power terminal, use the ring cable lug with insulation enclosure (See Figure 9.1). Use a power cable compliant with speci cations and rmly connect the power cable. Make sure the cable is rmly secured so that it is not yanked o by an outside force.
  • Page 81 7.5 Remove the cover of the main compartment. 4 kW 6 kW 8 kW 12 kW 14 kW 16 kW 12 kW T 14 kW T 16 kW T Maximum overcurrent protec- tion (MOP) Cable dimension (mm 18 kW 22 kW 26 kW 30 kW Maximum overcurrent protection (MOP)
  • Page 82 Unità Master Unità slave Si prega di utilizzare il filo schermato, e lo strato di schermatura deve essere messo a terra. H1 H2 H1 H2 H1 H2 ..Unità Master Unità Slave 1 Unità Slave 2 Unità Slave x Solo l'ultima IDU requires the addition richiede l'aggiunta of the construction...
  • Page 83 CAUTION e cascade function of the system supports up to 6 machines. 2. To guarantee the success of automatic addressing, other the machines must be connected to the same power supply and powered evenly. 3. Only the Master unit can be connected to the control panel. SW9 of the Master unit must be switched “on”. e slave unit cannot be connected to the control panel.
  • Page 84 Type 1: Potential-free contact. 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 13 14 15 16 17 9 1 0 2 3 2 4 2 6 7 8 9 10 CN30 CN11 Tipo 1 In funzione...
  • Page 85 Legenda: Control panel Pannello di controllo Domestic hot water integration resistance Resistenza integrazione sanitario System integration resistance Resistenza integrazione impianto DHW integrative resistance relay Relè resistenza integrazione sanitario System integrative resistance relay Relè resistenza integrazione impianto M10-1 - Zone 1 circulator pump M10-1 - Circolatore zona 1 50Hz...
  • Page 86 connection mode A heat/cool B one zone C double zone contact, apply the jumper on SG supplied as accessory Legenda: Flow probe Sonda di mandata DHW probe Sonda sanitario B3-2 Zone 2 ow probe B3-2 Sonda mandata zona 2 Inertial storage tank kit Sonda accumulo inerziale Room thermostat Termostato ambiente...
  • Page 87 • Connect the cable to the appropriate terminals as shown in the gure. • Secure the cable rmly. 1) For active solar station contact: 25 26 27 28 1 2 3 4 5 29 30 31 32 6 7 8 9 10 CN30 CN11 COLLEGARE ALL’INGRESSO...
  • Page 88 or the 3-way valves SV1, SV2 and SV3: 25 26 27 28 1 2 3 4 5 29 30 31 32 6 7 8 9 10 CN11 CN30 6 16 25 26 27 28 1 2 3 4 5 25 26 27 28 29 30 31 32 1 2 3 4 5...
  • Page 89 or remote switch o : CN24 CN21 CN28 CN16 CN32 CN13 CN15 CN29 CN18 CN25 CN42 CN40 DIS1 CN31 CN41 CN22 CN35 CN36 CN17 CN11 CN30 CHIUDERE: SPEGNIMENTO...
  • Page 90 or DHW circulation pump: 25 26 27 28 1 2 3 4 5 29 30 31 32 6 7 8 9 10 CN11 CN30 Alimentazione 7 5 3 1 p c (zone2 circulator) Pompa c (circolatore zona2) 25 26 27 28 1 2 3 4 5 29 30 31 32 6 7 8 9 10...
  • Page 91 or room thermostat: Room thermostat type 1 (High-voltage): “POWER SUPPLY INPUT” supplies the operating voltage to RT, does not directly supply voltage to the RT connector. e port“15 L1” supplies 220V voltage to the RT connector. Room thermostat type 2 (Low-voltage): “POWER SUPPLY INPUT” supplies the working voltage to RT. NOTE Termostato ambiente tipo 1 (Alta tensione): 25 26...
  • Page 92 25 26 27 28 1 2 3 4 5 29 30 31 32 6 7 8 9 10 CN11 CN30 Metodo C (Double zone control) (Controllo due zone) POWER SUPPLY INGRESSO INGRESSO INPUT ALIMENTAZIONE INPUT ALIMENTAZIONE zona1 zona2 Voltage 220-240VAC Maximum operating current (A) Wiring size (mm 0.75...
  • Page 93 CN24 CN21 CN28 CN16 CN32 CN13 CN15 CN29 CN18 CN25 CN42 CN40 DIS1 CN31 CN41 CN22 CN35 CN36 CN17 25 26 27 14 15 CN11 CN30 Metodo A (Controllo modalità impostata) (Set mode control) INGRESSO INPUT ALIMENTAZIONE CN24 CN21 CN28 CN16 CN32 CN13...
  • Page 94 CN24 CN21 CN28 CN16 CN32 CN13 CN15 CN29 CN18 CN25 CN42 CN40 DIS1 CN31 CN41 CN22 CN35 CN36 CN17 25 26 27 14 15 9 10 CN11 CN30 Metodo C (Double zone control) (Controllo due zone) POWER SUPPLY INGRESSO INGRESSO ALIMENTAZIONE ALIMENTAZIONE INPUT...
  • Page 95 NOTE e wiring of the thermostat matches the settings on the control panel Chap. 10.5.6 Room thermostat. • e power supply of the machine and of the room thermostat must be connected to the same Neutral Line. • When the ROOM THERMOSTAT is not set at NO, the indoor temperature sensor Ta cannot be set at a valid value. •...
  • Page 96 ) For the alarm signal output: SEGNALE DI ALLARME Voltage 220-240VAC Maximum operating current (A) Wiring size (mm 0.75 Type of signal of control port Type 1 8) For zone 1 P_o circulator: 25 26 27 28 1 2 3 4 5 29 30 31 32 6 7 8 9 10 CN11...
  • Page 97 or SMART GRID: e unit has the smart grid function, there are two ports on the PCB to connect the SG signal and the EVU signal as follows: CN24 CN21 CN28 CN16 CN32 CN13 CN15 CN29 CN18 CN25 CN42 CN40 DIS1 CN31 CN41...

  • Page 98: Start Up And Con Guration

    e unit must be con gured by the installer to be adapted to the installation environment (outside weather, installed op- tions, etc.) and to the competence of the user. CAUTION con gured as applicable. OVERVIEW OF DIP SWITCH SETTINGS. 10.1.1 Setting of the function.

  • Page 99: Checks Prior To Operation

    CHECKS PRIOR TO OPERATION. Checks before the initial start-up. DANGER A er installing the unit, check the following before switching on the circuit breaker: • Wiring on eld: Make sure that the wiring on eld between the local power supply panel and the unit and the valves (if applicable), the unit and the room thermostat (if applicable), the unit and the domestic hot water tank, has been connected according to the instructions given in Chap.
  • Page 100 Pressione statica esterna disponibile VS Portata Pressione statica esterna disponibile VS Portata Q (m Q (m 4-8 kW 12-16 kW Models 18-30 kW. e pump speed can be selected by adjusting the red knob on the pump. e point indicated by the notch indicates the pump speed.
  • Page 101 f the error code E2 is displayed on the control panel, check wiring between the control panel and the unit. Other error codes and causes of faults are found in section 13.4 Error codes. Have quali ed personnel repair the faults. 10.4.2 Troubleshooting at rst installation (models 18-30 kW).

  • Page 102: On- Eld Settings

    • e warning signal is indicated by the LED display. • e fault warning LED and the SSM relay do not respond. • e pump keeps running with a limited output. • e faulty operating status indicated must not occur for a long period of time. e cause must be eliminated.
  • Page 103 e “FOR SERVICEMAN” section is designed to allow the installer to set the parameters. • De nition of the composition of the devices. • Setting the parameters. “How to access the FOR SERVICEMAN” section. Go to MENU>FOR SERVICEMAN. Press “OK”: PER SERVIZIO ASSISTENZA Inserire password: CONFERMA...
  • Page 104 DHW Mode setting. DHW = domestic hot water. Go to MENU>FOR SERVICEMAN>1.DHW MODE SETTING. Press OK. e following page will be displayed: 1 IMPOSTAZIONE MODO ACS SÌ 1.1 MODO ACS 1.2 DISINFEZIONE SÌ 1.3 PRIORITÀ ACS SÌ 1.4 POMPA ACS SÌ...
  • Page 105 Cool Mode Setting. Go to MENU>FOR SERVICEMAN>2. COOL MODE SETTING. Press OK. e following page will be displayed: 2 IMPOSTAZIONE MODO FREDDO SÌ 2.1 MODO FREDDO 2.2 t_T4_FRESH_C 2.0ORE 2.3 T4CMAX 43°C 2.4 T4CMIN 20°C 2.5 dT1SC 5°C MODIFICA 2 IMPOSTAZIONE MODO FREDDO 2°C 2.6 dTSC 2.7 t_INTERVAL_C...
  • Page 106 Temp. Type Setting. Information on Temp. Type Setting. e TEMP. TYPE SETTING is used to select whether the water ow temperature or the room temperature is used to control switching the heat pump on/o . When the ROOM TEMP. is enabled, the target water ow temperature will be calculated based on the climatic curves. How to enter the Temp.
  • Page 107 pages will be displayed: Pagina aggiuntiva (zona 2) Homepage (zona 1) (La doppia zona è efficace) In this case, the setting value of zone 1 is T1S, the setting value of zone 2 is T1S2 (the corresponding T1S2 is calculated based on the climatic curves).
  • Page 108 Holiday Away Setting. e HOLIDAY AWAY SETTING is used to set the outlet water temperature to prevent freezing during holidays. Go to MENU>FOR SERVICEMAN>8. HOLIDAY AWAY SETTING . Press OK. e following page will be displayed: 8 IMP. VACANZA LONTANA 20°C 8.1 T1S_H.A._H 8.2 T5S_H.A._DHW...
  • Page 109 TEST RUN. TEST RUN is used to check correct operation of the valves, de-aeration, operation of the circulation pump, cooling, heating and domestic hot water heating. Go to MENU>FOR SERVICEMAN>11.TEST RUN. Press OK. e following page will be displayed: 11 MODALITÀ TEST Attivare le impostazioni e la "MODO TEST"? ‘TEST RUN’?
  • Page 110 11 MODALITÀ TEST Modo test attivo. Sfiato aria attivo. CONFERMARE When in the air purge mode, SV1 opens, SV2 closes. 60 seconds later the pump in the unit (PUMPI) will run for 10 minutes during which the ow switch will not work. A er the pump stops, SV1 closes and SV2 opens. 60 seconds a er both PUMPI and PUMPO will run until they receive the next command.
  • Page 111 11 MODALITÀ TEST Modo test attivo. Modo ACS attivo. La temperatura del flusso d'acqua è di 45°C La temperatura del serbatoio dell'acqua è di 30°C CONFERMARE During execution of the DHW MODE test, the default temperature of the domestic hot water is 55°C. e TBH (tank booster heater) switches on a er the compressor has been operating for 10 minutes.
  • Page 112 12 FUNZIONE SPECIALE 12.1 PRERISCALD. PAVIMENTO 12.1 PREHEATING FOR FLOOR 12.2 ASCIUGATURA PAVIMENTO CONFERMA During the initial operation of the unit, air could remain in the water system and cause malfunctioning. It will be necessary to perform the air purge function (make sure that the air purge valve is open). If you select PREHEATING FOR FLOOR, a er having pressed OK, the following page is displayed: 12.1 PRERISCALD.
  • Page 113 T1s+dT1s Pompa Compressore t_interval_H If FLOOR DRYING UP has been selected, a er having pressed OK, the following pages will appear: 12.2 ASCIUGATURA PAVIMENTO giorni TEMPO DI RISCALDAMENTO(t_DRYUP) DURATA(t_HIGHPEAK) 5 giorni 5 giorni TEMP. TEMPO INATTIVO（t_DRYDOWN) TEMPERATURA DI PICCO(T_DRYPEAK) 45°C TEMP.(T_DRYPEAK) 15:00 MODIFICA...
  • Page 114 Auto Restart. e AUTO RESTART function allows you to select whether the unit reapplies the settings of the control panel when the current returns a er a power failure. Go to MENU>FOR SERVICEMAN>13.AUTO RESTART. e AUTO RESTART function reapplies the settings of the control panel when there is a power failure. If this function is disabled, the unit will not restart automatically when current returns a er a power failure.
  • Page 115 15 DEFINIZ. INGRESSO 15.11 PUMPI SILENT MODE 15.12 DFT1/DFT2 ALLARME 10.5.16 Cascade Set. How to set Cascade Set. Go to MENU>FOR SERVICEMAN>16. CASCADE SET. 16 IMP. CASC. 16.1 PER_START 16.2 TIME_ADJUST 16.3 RIPR. INDIR. 10.5.17 HMI Address Set. How to set HMI Address Set. Go to MENU>FOR SERVICEMAN>17.HMI ADDRESS SET.
  • Page 116 Setting the parameters. e parameters in this chapter are shown in the table below. Mini- Maxi- Interval Code Status Default Unit number de nition DHW MODE Enable or disable DHW mode: 0=NO, 1=YES Enable or disable disinfect mode: 0=NO, DISINFECT 1=YES Enable or disable DHW priority mode: DHW PRIORITY...
  • Page 117 Mini- Maxi- Interval Code Status Default Unit number de nition Enable or disable cooling mode: 0=NO, COOL MODE 1=YES e update time of the climatic curves for t_T4_FRESH_C hours cooling mode e highest outdoor temperature for cool- T4CMAX °C ing mode e lowest outdoor operating temperature T4CMIN °C...
  • Page 118 Mini- Maxi- Interval Code Status Default Unit number de nition e type of zone1 terminal for heating mode: ZONE1 3.12 CVC fan coil), RAD (radiator), CRP ( oor H-EMISSION radiant) e type of zone2 terminal for heating mode: ZONE2 3.13 CVC fan coil), RAD (radiator), CRP ( oor H-EMISSION radiant)
  • Page 119 Mini- Maxi- Interval Code Status Default Unit number de nition FLOOR DRYING HEATER TIME Heating days during oor drying up (t_DRYUP) MAN. TIME High temperature holding days during oor (t_HIGHPEAK) drying up TEMP. DEC. Days of temperature drop during oor dry- TIME (t_DRYD) ing up PEAK TIME...

  • Page 120: Test Mode And Nal Checks

    Mini- Maxi- Interval Code Status Default Unit number de nition Reset the address code of the unit.(“FF” is an ADDRESS 16.3 invalid address code.) A er having set the RESET address, press“UNLOCK” to con rm. Select the HMI: 17.1 HMI SET 0=MAIN, 1=SEC.

  • Page 121: Maintenance And Service

    - Check that the safety valve works properly by turning the black knob on the valve anti-clockwise: - If no noise is heard, contact an authorised Immergas technician. - If water continues to leak from the unit, rst close the water inlet and outlet shut-o valves and then contact an au- thorised Immergas technician.

  • Page 122: Troubleshooting

    TROUBLESHOOTING. is section provides useful information for the diagnosis and correction of certain problems which can occur in the unit. Troubleshooting and the relative corrective actions can only be done by your local technician. 13.1 GENERAL GUIDELINES. Before beginning troubleshooting, perform a thorough visual inspection of the unit, looking for evident defects such as loose connections or faulty wiring.
  • Page 123 IBLE CAUSES CORRECTIVE ACTION Check that the OTHER HEATING SOURCE/Indoor unit backup heater (IBH) is enabled, Chap. 10.5 Field settings. Check whether or not the thermal protection of the backup heater has tripped (Chap. e backup heater is not on. Check the parts for the indoor unit backup heater (IBH)).

  • Page 124: Operation Parameters

    OPERATION PARAMETERS. is manual is intended for the installer or service engineer controlling the operating parameters. • On the main screen, go to MENU>OPERATION PARAMETER. • Press OK. ere are nine pages of operation parameters, as indicated below. Press • Press top right corner changes from “#00”...

  • Page 125: Error Codes

    ERROR CODES. When a safety device trips, an error code is displayed on the control panel (which does not include an external failure). e table below lists all of the errors and corrective actions. Reset the safety device by switching the unit o and back on. If this safety device reset procedure fails, contact your local dealer.
  • Page 126 Supervision System Error Operation or protection anomaly Cause of fault and corrective action Code Code Check that all the shut-o valves of the water circuit are completely open. 1. Check whether the water lter needs to be cleaned. 2. Chap. 9.5 Filling with water. 3.
  • Page 127 Supervision System Error Operation or protection anomaly Cause of fault and corrective action Code Code e system is without refrigerant volume. Charge the refrigerant at the right volume. 2. In heating mode or in DHW mode, the external heat exchanger is dirty or something is blocked on the surface.
  • Page 128 Supervision System Error Operation or protection anomaly Cause of fault and corrective action Code Code e supply voltage of the unit is low, increase the supply voltage to the required range. e space between the units is too narrow for the thermal exchange. Increase the space between the units.
  • Page 129 Supervision System Error Operation or protection anomaly Cause of fault and corrective action Code Code 1. Check the sensor resistance. Fault of outlet temperature sensor e connector of sensor T2 is loose. Reconnect it. (T2) of refrigerant from the plate e connector of sensor T2 is wet or there is water inside.
  • Page 130 Supervision System Error Operation or protection anomaly Cause of fault and corrective action Code Code e signal wires of the slave units and of the master unit are not connected e ectively. A er having checked that all the signal wires are properly connected, and having made sure that there is no strong electricity or strong magnetic interferences, switch the unit back on.
  • Page 131 Supervision System Error Operation or protection anomaly Cause of fault and corrective action Code Code 1. Check power supply. 2. If the power supply is OK, check whether the LED light is OK, check whether PN voltage is 380V, the problem usually comes from the main board.

  • Page 132: Technical Speci Cations

    TECHNICAL SPECIFICATIONS. 14.1 GENERAL. Models 4-16 kW. Single-phase Single-phase ree phase 4/6 kW 8 kW 12/14/16 kW 12/14/16 kW Nominal capacity Chap.technical data Dimensions HxWxD 712x1295x429 mm 865x1385x526 mm 865x1385x526 mm 865x1385x526 mm Dimensions of the 885x1375x475 mm 1035x1465x560 mm 1035x1465x560 mm 1035x1465x560 mm box HxWxD...

  • Page 133: Electrical Technical Speci Cations

    18 kW 22 kW 26 kW 30 kW Nominal capacity Chap.technical data Dimensions HxWxD 1129x1558x528 mm Dimensions of the 1220x1735x565 mm box HxWxD Heat exchanger Plate heat exchanger Internal water volume 3.5 L Safety valve 0.3 Mpa Filter mesh Minimum ow rate 27 L/min of water ( ow switch) Weight...

  • Page 134: Information On Maintenance

    Should any doubts arise, contact the Authorised Immergas Technical Service for assistance. e following controls must be applied to systems that make use of ammable refrigerants: •...
  • Page 135 epair of sealed components. a) During repairs of sealed components, all power supplies must be disconnected from the appliance in operation before removing the sealed covers, etc. If it is absolutely necessary that the appliance be energised during maintenance, a perma- nently operated leak detection device must be used, at the most critical point, to prevent a potentially hazardous situation.
  • Page 136 harging procedure. In addition to conventional charging procedures, the following requirements must be complied with: • Make sure that di erent refrigerant contaminations do not occur when using recharging equipment. e tubes or pipes must be as short as possible to minimise the amount of refrigerant therein. •...
  • Page 137 ecovery. When refrigerant is removed from a system, both for maintenance operations and deactivation, good practice is recom- mended to remove the refrigerant correctly. When the refrigerant is transferred to cylinders, make sure that only adequate cylinders for recovery of refrigerant are used.

  • Page 138: Annexes Refrigerant Cycle

    ANNEXES REFRIGERANT CYCLE. ANNEX A: Refrigerant cycle Units 4-16 kW. Uscita Ingresso Raffreddamento Riscaldamento Description Code Description Refrigerant outlet temperature sensor Compressor (gas pipe) 4-way valve Water outlet temperature sensor Gas- liquid separator Water inlet temperature sensor Air side heat exchanger Expansion vessel Electronic expansion valve Circulation pump...
  • Page 139 efrigerant cycle Units 18-30 kW. Raffreddamento Riscaldamento Description Code Description Refrigerant outlet temperature sensor Compressor (gas pipe) 4-way valve Water outlet temperature sensor Gas- liquid separator Water inlet temperature sensor Air side heat exchanger Automatic air purge valve Electronic expansion valve Expansion vessel One-way magnetic valve Circulation pump...
  • Page 140 Immergas S.p.A. 42041 Brescello (RE) - Italy Tel. 0522.689011 Fax 0522.680617...

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