Immergas UI PRE PLUMBED 200 Instructions And Recommendations

Electric heat pump, outdoor motocondensing unit

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UI PRE PLUMBED

Instructions and recommendations

Installer

200

User

Maintenance technician

Electric heat pump

consisting of:

- PRE PLUMBED 200 indoor unit

- Outdoor motocondensing unit

UE HYDRO HP5-8-12-16

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Summary of Contents for Immergas UI PRE PLUMBED 200

Page 1 UI PRE PLUMBED Instructions and recommendations Installer User Maintenance technician Electric heat pump consisting of: - PRE PLUMBED 200 indoor unit - Outdoor motocondensing unit UE HYDRO HP5-8-12-16...
Page 2: Table Of Contents
INDEX Dear Customer ..........................................4 General Recommendations .....................................5 Safety symbols used ........................................6 Personal protective equipment ....................................6 Installing the indoor unit ................................7 Description of the product.....................................7 Installation warnings .....................................8 Indoor unit main dimensions ..................................11 Minimum installation distances ................................12 Antifreeze protection ....................................13 Hydraulic connection ....................................14 Hydraulic connection of indoor and outdoor units ..........................14 Electrical connection ....................................15...
Page 3 Technical data ..................................60 Technical data table ......................................60 4.2 UI Pre Plumbed 200 + UE Hydro HP5 product fiche (in accordance with Regulation 811/2013) ............63 4.3 UI Pre Plumbed 200 + UE Hydro HP8 product fiche (in accordance with Regulation 811/2013) ............65 UI Pre Plumbed 200 + UE Hydro HP12 product fiche (in accordance with Regulation 811/2013) ............67...
Page 4: Dear Customer
Dear Customer Congratulations for having chosen a top-quality Immergas product, able to assure well-being and safety for a long period of time. As an Im- mergas customer you can also count on a Qualified Authorised After-Sales Technical Assistance Centre, prepared and updated to guarantee constant efficiency of your appliance.
Page 5: General Recommendations
Law. • Improper installation or assembly of the Immergas device and/or components, accessories, kits and devices can cause unex- pected problems for people, animals and objects. Read the instructions provided with the product carefully to ensure proper installation.
Page 6: Safety Symbols Used
SAFETY SYMBOLS USED GENERIC HAZARD Strictly follow all of the indications next to the pictogram. Failure to follow the indications can generate hazard situations resulting in possible harm to the health of the operator and user in general, and/or property damage. ELECTRICAL HAZARD Strictly follow all of the indications next to the pictogram.
Page 7: Installing The Indoor Unit
INSTALLING THE INDOOR UNIT DESCRIPTION OF THE PRODUCT. UI Pre Plumbed 200 + UE Hydro HP5-8-12-16 is a heat pump consisting of: - Pre Plumbed 200 UI Indoor Unit (hereinafter it will only be referred to as Indoor Unit); - Hydro HP5-8-12-16 UE Outdoor Unit (hereinafter it will only be referred to as Outdoor Unit).
Page 8: Installation Warnings
Operators who install and service the appliance must wear the personal protective equipment required by applicable law. The place of installation of the appliance and relative Immergas accessories must have suitable features (technical and structur- al), such as to allow for (always in safe, efficient and comfortable conditions): - installation (according to the provisions of technical legislation and technical regulations);...
Page 9 Keep all combustible material away from the appliance (paper, rags, plastic, polystyrene, etc.). Any modification to the appliance that is not explicitly indicated in this section of the booklet is forbidden. In any configuration do no install the Indoor Unit and Outdoor Unit at altitudes above 2000 Prior to installation the pre-plumbed cylinder of the Indoor Unit must be stored upright on a secure, level surface in a dry, frost free environment.
Page 10 When the circulation within each room central heating loop is controlled by remotely operated valves, it is important to guar- antee the minimum water content (30 litres), even if all the valves are closed. When the circulation within each or certain room central heating loops is controlled by remotely operated valves, it is impor- tant to guarantee the minimum flow rate, even if all the valves are closed.
Page 11: Indoor Unit Main Dimensions
INDOOR UNIT MAIN DIMENSIONS...
Page 12: Minimum Installation Distances
MINIMUM INSTALLATION DISTANCES...
Page 13: Antifreeze Protection
- The materials used for the central heating circuit of Immergas Indoor Unit resist ethylene and propylene glycol based antifreeze liq- uids (if the mixtures are prepared perfectly).
Page 14: Hydraulic Connection
In order to meet the system requirements established by EN 1717 in terms of pollution of drinking water, we recommend installing the IMMERGAS anti-backflow kit to be used upstream of the cold water inlet connection of the appliance. We also recommend using cate- gory 2 heat transfer fluid (e.g.: water+ glycol) in the appliance's primary circuit (C.H.
Page 15: Electrical Connection
ELECTRICAL CONNECTION The pre-plumbed cylinder has an IPX4D degree of protection. The electrical safety of the appliance is achieved only when it is connected to an earthing circuit as specified by current safety standards. Remove the screws securing the front control panel cover to access the electrical connections. Please refer to the corresponding electrical connection diagrams (Fig.
Page 16 Vertical terminal block electrical connection diagram. 67 69 88 L L Key (Fig. 3): - System integration resistance K16 - System integrative resistance relay - Photovoltic active input For the connection diagram, see Fig 17...
Page 17 S20-2 S20-1 S20-1 S20-2 CRONO 7 WIRELESS Key (Fig. 4): A23 - Outdoor Unit - External probe (optional) X40-1 - Zone 1 thermostat jumper R14 - Configuration resistance S20-1 - Zone 1 thermostat (optional) S20-2 - Zone 2 thermostat (optional) Remove the X40-1 jumper to connect the zone 1 thermostat Any connections of the two room thermostats (S20-1/2) must be free of voltage (NOT 230 V) TECHNICAL DATA...
Page 18: Room Chrono-Thermostats (Optional)
The indoor unit is prepared for the application of room chrono-thermostats or remote controls, which are available as optional kits. All Immergas chrono-thermostats are connected with 2 wires only. A maximum of 2 temperature controllers can be applied directly to the appliance.
Page 19: External Temperature Probe (Optional)
1.10 EXTERNAL TEMPERATURE PROBE (OPTIONAL) The Outdoor Unit has a standard external probe that can be used as an external probe of the heat pump. If the Outdoor Unit is positioned in an area that is not suitable for temperature reading, it is advisable to use an additional external probe (Fig.
Page 20: Temperature Control Setting
1.11 TEMPERATURE CONTROL SETTING By setting the parameters in the “Heat regulation” menu, you can adjust how the system operates. The curves (Fig. 6, 7) show the default settings in the various operating modes available both with external probe and without. Zone 1 flow temperature in central heating mode Flow temperature in central heating mode e, with external probe...
Page 21: System Filling
1.12 SYSTEM FILLING Once the indoor unit is connected, fill the system using the filling cock (Fig. 12). The Indoor Unit has one incorporated automatic vent valve located on the circulator and another on the central heating manifold. Make sure that the hoods are loosened. The filling cock must be closed when the Indoor Unit pressure gauge indicates approximately 1.2 bar.
Page 22: Operating Limits
1.13 OPERATING LIMITS The system was designed to work in a specific range of temperatures and at a specific maximum flow temperature. The chart (Fig.8, 9) shows these limits. DHW mode operating limits Heat pump operating limits in CH mode TB (°C) TE (°C) Key (Fig.
Page 23: Circulation Pump
Take great care during this operation to avoid damage to the motor. Available head at the UI Pre Plumbed 200 + UE Hydro HP5-8 system For proper system operation, make sure that the minimum flow rate in operating conditions never drops below 500 l/h.
Page 24: Kits Available On Request
The above-mentioned kits are supplied complete with instructions for assembly and use. Check the complete list of kits availa- ble and which can be combined with the product, consult the Immergas website, the Immergas Price List or the technical-com- mercial documentation (catalogues and data sheets).
Page 25: Main Components
Key (Fig. 12): MHT - Heat pump flow RHT - Heat pump return MZ1 - Main zone 1 heating circuit flow MZ2 - Zone 2 heating circuit return (optional - remove blanking cap) RZ1 - Main zone 1 heating circuit return RZ2 - Zone 2 heating circuit return (optional - remove blanking cap) CW - Cold water inlet HW - Hot water outlet...
Page 26: Instructions For Use And Maintenance
INSTRUCTIONS FOR USE AND MAINTENANCE GENERAL RECOMMENDATIONS Never expose the indoor unit to direct vapours from a hob. The device can be used by children at least 8 years old as well as by persons with reduced physical, sensory or mental capabilities, or lack of experience or required knowledge, provided that they are under surveillance, or after they have been instructed relat- ing to the safe use and have understood the potential dangers.
Page 27: Cleaning And Maintenance
At the end of its service life, the appliance must not be disposed of like normal household waste nor abandoned in the environment, but must be removed by a professionally authorised com- pany as required by current legislation. Contact the manufacturer for disposal instructions. 2.2 CLEANING AND MAINTENANCE To preserve the system's integrity and keep the safety features, performance and reliability, which distinguish the assembly, unchanged over time, you must execute maintenance operations on a yearly basis in compliance with what is stated in the rela-...
Page 28: Control Panel
2.3 CONTROL PANEL Key (Fig. 13): - Operating mode (winter - air conditioning - summer - stand- - Connection to other Immergas units by - off) and parameter confirm button - Central heating room mode function active - Menu selection button...
Page 29: System Use
SYSTEM USE Before ignition, make sure the system is full of water, checking that the pressure gauge needle (6) points to a value between 1 and 1.2 bar and make sure that the chiller circuit has been filled as described in the Outdoor Unit instructions booklet. - Press the button (1) until the display turns on, now the system will go back to the status it was in prior to shutdown (upon ignition the following are displayed in sequence: display segments all on, parameter A11, parameter A13).
Page 30 “Stand-by” Mode Press button (1) repeatedly until the symbol appears. The system remains off from this moment, though the antifreeze, pump an- ti-block and 3-way function and signalling of any anomalies are guaranteed. In these conditions the system must still be considered powered. OFF mode By holding the button (1) down for 8 seconds, the display switches-off and the indoor unit is off completely.
Page 31: Fault And Anomaly Signals
2.5 FAULT AND ANOMALY SIGNALS The indoor unit signals any anomalies by flashing a code on the display (14) according to the following table. Error Anomaly signalled Cause Indoor unit status / Solution Code Attention: the fault may be reset up to 5 times consecutively, after which the function in inhibited for at least one Maximum N°...
Page 32 Error Anomaly signalled Cause Indoor unit status / Solution Code Check the external probe connection. The system continues to operate with the external probe integrated in the External probe In the event the external probe is not connected or is faulty, E 50 external unit (1).
Page 33 Error Anomaly signalled Cause Indoor unit status / Solution Code Time out alarm with The system does not start (1). If communication between the printed circuit boards is E 189 communication Check communication between the lost, an anomaly is signalled. board P.C.B.
Page 34 List of outdoor unit anomalies If the Outdoor Unit is faulty, the error code is signalled on the control panel (Fig. 13) and on the interface board (Parag. "Interface board - 7-segment display"). The failure is signalled in different ways. On the control panel, the error is displayed with an “A”...
Page 35 Error Code Anomaly signalled Indoor Unit status / Solution Check the position of the sensor. Check the relative wiring Compressor sensor error (overload protection A320 sensor) Replace the sensor Check the chiller cycle. A403 Freezing detection (during cooling operation) Check the temperatures of the plate heat exchanger Check the chiller cycle.
Page 36 Error Code Anomaly signalled Indoor Unit status / Solution Check the compressor connections and its normal operation. Check the resistances between the different phases of the compres- Compressor overload error A465 sor. Check the input voltage. A466 Low voltage error of DC circuit Check the power connections.
Page 37 Error Code Anomaly signalled Indoor Unit status / Solution A604 Not present A653 Not present A654 Not present A899 Not present A900 Not present Indoor Unit error. Not used A901 Check Indoor Unit. Indoor Unit error. Not used A902 Check Indoor Unit. Indoor Unit error.
Page 38: Parameters And Information Menu
PARAMETERS AND INFORMATION MENU Pressing the “MENU” button (2), the display cyclically shows the “Data” menu, “User” menu and a menu protected by a “0000” access code with the first flashing digit reserved for a qualified technician. To access an individual menu, once it appears, press the “OK” button (1). To scroll through the menu items and to edit the values, use the heating temperature control buttons (5).
Page 39 Parameter ID Description Range D 63 Communication with other Immergas devices OFF - ON D 71 External unit operating frequency 0 ÷ 150 Hz D 72 Compressor temperature -20 ÷ 200 °C D 73 Compressor discharge temperature -20 ÷ 100 °C...
Page 40 User Menu. Parameter Customised Description Range Default value It is possible to correct the flow temperature with respect to the adjustment curve of the external U 03 Zone 1 central heating offset - 15 ÷ + 15 °C probe in central heating mode (Parag. 1.11, Offset value) Activating the function allows you to reduce the compressor frequency during the outdoor unit...
Page 41: Indoor Unit Shutdown
Parameter Customised Description Range Default value U 21 Hour setting (internal clock) 0 - 23 hours U 22 Minutes setting (internal clock) 0 - 59 minutes Mo-Tu-We- U 23 Day of the week Th-Fr-Sa-Su U 24 Current day 1 ÷ 31 U 25 Current month 1 ÷...
Page 42: Draining The System
DRAINING THE SYSTEM 1. Ensure that the filling cock is closed. 2. Open the draining cock (Fig. 12). 3. Open all vent valves. 4. At the end, close the emptying cock. 5. Close all previously opened vent valves. If fluid containing glycol was added to the system circuit, make sure it is recovered and disposed of in accordance with standard EN 1717.
Page 43: Instructions For Maintenance And Initial Check
These will also compromise the product’s compliance, and the said product may no longer be valid and fail to meet the current regulations. in regard to the above, only use original Immergas spare parts when replacing components. If additional documentation needs to be consulted for extraordinary maintenance, contact the Authorised After-Sales Service.
Page 44: Initial Check
INITIAL CHECK To commission the package, you must: - check connection to a 230V-50Hz power mains, correct L-N polarity and the earthing connection; - make sure the central heating system is filled with water and the Indoor Unit pressure gauge reads a pressure of 1-1.2 bar; - make sure the chiller circuit has been filled according to what is described in the Outdoor Unit instructions booklet;...
Page 45: Coil Maintenance
COIL MAINTENANCE We recommend regularly inspecting the finned air coils to check the level of fouling. This depends on the environment where the unit is installed. The level of fouling will be worse in urban and industrial sites, as well as near trees that lose their leaves. There are two maintenance levels to clean the coils: - If the air heat exchangers are encrusted, clean them gently with a brush in a vertical direction.
Page 46: Hydraulic Diagram
TECHNICAL DATA MAINTENANCE TECHNICIAN USER INSTALLER Key (Fig. 16): - Domestic hot water outlet - Filling loop - System circulator pump - Domestic cold water inlet - Flow meter - Main zone 1 heating circuit return - Automatic vent valve - Heating expansion vessel - To be supplied separately - Zone 2 heating circuit return (optional - remove - Cold water inlet tap (not supplied)
Page 47: Wiring Diagrams
8 7 6 5 4 3 2 1 6 5 4 3 2 1 Bl Br Or Bl Bl G Bl Bk Bl Br GY Bl Y Bl Bl Br M32 - 1 M32 - DHW M32 - 2 4 3 2 1 88 69 67 (optional) 10 A...
Page 48 TECHNICAL DATA MAINTENANCE TECHNICIAN USER INSTALLER 39 38 41-1 40-1 41-2 40-2 T- T+ F1 F2 4 - Z1 4 - Z2 3 - Z2 3 - Z1 FOR TESTING ONLY 6 5 4 3 2 1 7 6 5 9 8 7 Bk Bk Bl Br GY Bk...
Page 49 P.C.B. Key (Fig. 19): - F 3.15A H250V fuse Interface board - setting switch Key (Fig. 20): - Factory setting: do not change...
Page 50: Error Codes
Interface board - indicator LED Key (Fig. 21): Red LED flashing = Communication between interface board and P.C.B. valid Green LED flashing = Communication between interface board and outdoor unit valid Yellow LED = Not Used Interface board - 7-segment display During normal operation, the display shows “A0”...
Page 51: System Filter
SYSTEM FILTER The indoor unit has a filter on the system return fitting to keep the system in good operating conditions. The filter can be cleaned periodically and when necessary. TROUBLESHOOTING Maintenance operations must be carried out by an authorised company (e.g. Authorised After-Sales Technical Assistance Cen- tre).
Page 52: Parameters And Information Menu
1 ÷ 247 cation address unit and the outdoor unit OFF = BMS communication protocol on 485; use if BMS communi- A 22 connected to optional Immergas devices. OFF - 485 cation setting 485 = Do not use Factory A 99...
Page 53 Value Parameter Description Range Default Parameter customized If the reading of the external probe is not accurate, it is External probe P 07 possible to correct it in order to compensate any environ- -9 ÷ 9 K correction mental factors. Gen.
Page 54 Value Parameter Description Range Default Parameter customized Establishes the unit ignition and switch-off mode in DHW mode. D.H.W. T 02 It is enabled when the water in the storage tank goes below 0 ÷ 20 °C thermostat the DHW set value and is disabled when the temperature exceeds the DHW set value.
Page 55 Heat regulation menu. Value Parameter Description Range Default Parameter customized Defines if and which external probe is used to manage the system. R 01 External probe OFF = no external probe used OFF - OU - IU OU = external probe on outdoor unit IU = optional external probe connected to the indoor unit Outdoor temperature for...
Page 56 Integration menu. Value Parameter Description Range Default Parameter customized DHW integra- Allows you to enable an alternative power source (AL) to I 01 OFF - AL tion enabling integrate domestic hot water heating System Using this function, you can enable an alternative (AL) or I 02 integration simultaneous (CO) power source to integrate heating system...
Page 57 Maintenance menu. Accessing this menu, the unit goes into stand-by. By selecting every single parameter, you can activate a specific function for each load. Value Parameter Description Range Default Parameter customized System M 02 circulator pump Establishes the system circulator pump speed 0 - 100% speed Zone 1 outdoor...
Page 58: First Ignition Parameter Setting
3.10 FIRST IGNITION PARAMETER SETTING During the first activation of the appliance, it is necessary to customise the following parameters, which concern the generator opera- tion, the type of outdoor unit and the type of system connected to the appliance. Heat pump power Set parameter A11 according to the type of Outdoor Unit connected.
Page 59: Automatic Vent
3.14 AUTOMATIC VENT In the case of new central heating systems and in particular mode for floor systems, it is very important that deaeration is performed cor- rectly. The function consists of the cyclic activation of the pump and the 3-way valve. The function is activated in two different ways: - Each time the heat generator is re-powered;...
Page 60: Technical Data
TECHNICAL DATA TECHNICAL DATA TABLE The data below refer to the pairing between indoor unit and outdoor unit. UI PRE- UI PRE- UI PRE- UI PRE- PLUMB 200 + PLUMB 200 + PLUMB 200 + PLUMB 200 + UE HYDRO UE HYDRO UE HYDRO UE HYDRO...
Page 61 Indoor Unit data UI PRE PLUMBED 200 Dimensions (Width x Height x 762x1330x772 Depth) Water content System expansion vessel volume System expansion vessel pre-charged pressure Hydraulic circuit max. operating pressure Max. operating temperature in °C central heating Domestic hot water circuit min.
Page 62 Product data UI PRE-PLUMB 200 UI PRE-PLUMB 200 UI PRE-PLUMB 200 UI PRE-PLUMB 200 + UE HYDRO HP5 + UE HYDRO HP8 + UE HYDRO HP12 + UE HYDRO HP16 Maximum heating tempera- °C ture Adjustable central heating temperature (max operating °C 20-65 field)
Page 63: Ui Pre Plumbed 200 + Ue Hydro Hp5 Product Fiche (In Accordance With Regulation 811/2013)
UI PRE PLUMBED 200 + UE HYDRO HP5 PRODUCT FICHE (IN ACCORDANCE WITH REGULATION 811/2013) Supplier's name or trademark Immergas S.p.A UI PRE-PLUMB 200 Supplier's model identifier + UE HYDRO HP5 For space heating Application temperature Average temperature For water heating...
Page 64 Average temperature table (47/55) average zones UI Pre Plumbed 200 + UE Hydro HP5 UI PRE-PLUMB 200 + UE HYDRO HP5 Model Air/water heat pump Low temperature heat pump Water/water heat pump With Supplementary heater Brine/water heat pump Mixed central heating device with heat pump: The parameters are declared for average temperature application, except for low temperature heat pumps.
Page 65: Ui Pre Plumbed 200 + Ue Hydro Hp8 Product Fiche (In Accordance With Regulation 811/2013)
4.3 UI PRE PLUMBED 200 + UE HYDRO HP8 PRODUCT FICHE (IN ACCORDANCE WITH REGULATION 811/2013) Supplier's name or trademark Immergas S.p.A UI PRE-PLUMB 200 Supplier's model identifier + UE HYDRO HP8 For space heating Application temperature Average temperature For water heating...
Page 66 Average temperature table (47/55) average zones UI Pre Plumbed 200 + UE Hydro HP8 UI PRE-PLUMB 200 + UE HYDRO HP8 Model Air/water heat pump Low temperature heat pump Water/water heat pump With Supplementary heater Brine/water heat pump Mixed central heating device with heat pump: The parameters are declared for average temperature application, except for low temperature heat pumps.
Page 67: Ui Pre Plumbed 200 + Ue Hydro Hp12 Product Fiche (In Accordance With Regulation 811/2013)
UI PRE PLUMBED 200 + UE HYDRO HP12 PRODUCT FICHE (IN ACCORDANCE WITH REGULATION 811/2013) Supplier's name or trademark Immergas S.p.A UI PRE-PLUMB 200 Supplier's model identifier + UE HYDRO HP12 For space heating Application temperature Average temperature For water heating...
Page 68 Average temperature table (47/55) average zones UI Pre Plumbed 200 + UE Hydro HP12 UI PRE-PLUMB 200 + UE HYDRO HP12 Model Air/water heat pump Low temperature heat pump Water/water heat pump With Supplementary heater Brine/water heat pump Mixed central heating device with heat pump: The parameters are declared for average temperature application, except for low temperature heat pumps.
Page 69: Ui Pre Plumbed 200 + Ue Hydro Hp16 Product Fiche (In Accordance With Regulation 811/2013)
4.5 UI PRE PLUMBED 200 + UE HYDRO HP16 PRODUCT FICHE (IN ACCORDANCE WITH REGULATION 811/2013) Supplier's name or trademark Immergas S.p.A UI PRE-PLUMB 200 Supplier's model identifier + UE HYDRO HP16 For space heating Application temperature Average temperature For water heating...
Page 70 Average temperature table (47/55) average zones UI Pre Plumbed 200 + UE Hydro HP16 UI PRE-PLUMB 200 + UE HYDRO HP16 Model Air/water heat pump Low temperature heat pump Water/water heat pump With Supplementary heater Brine/water heat pump Mixed central heating device with heat pump: The parameters are declared for average temperature application, except for low temperature heat pumps.
Page 71: Parameters For Filling In The Package Fiche
PARAMETERS FOR FILLING IN THE PACKAGE FICHE Should you wish to install an assembly starting from the Magis Pro V2 package, use the package fiche shown in (Fig. 23). To complete it properly, fill the relevant spaces (as shown in the package fiche facsimile Fig. 22) with the values shown in tables "Parame- ters to fill in the low temperature package fiche (30/35)", "Parameters to fill in the average temperature package fiche (47/55)".
Page 72 Parameters to fill in the low temperature package fiche (30/35) Pre Plumbed 200 + UE Hydro HP5 Parameter Colder zones Average zones Hotter zones "I" "II" "III" "IV" Pre Plumbed 200 + UE Hydro HP8 Parameter Colder zones Average zones Hotter zones "I"...
Page 73 Parameters to fill in the average temperature package fiche (47/55) Pre Plumbed 200 + UE Hydro HP5 Parameter Colder zones Average zones Hotter zones "I" "II" "III" 5,35 "IV" 2,09 Pre Plumbed 200 + UE Hydro HP8 Parameter Colder zones Average zones Hotter zones "I"...
Page 74 Room central heating system package fiche. ____ Temperature control Class I = 1 %, Class II = 2 %, Class III = 1.5 %, Class IV = 2 %, From temperature Class V = 3 %, Class VI = 4 %, control board Class VII = 3.5 %, Class VIII = 5 % Supplementary boiler...
Page 75: Key For Data Nameplate
KEY FOR DATA NAMEPLATE Cod.Md. Sr N° T.A. MPa Max. PS HI PS LO The technical data are provided on the data plate on the appliance. Model Code Md. Model code Sr N° Serial Number Check T.A. Minimum and maximum installation room temperature Achievable temperatures for Cooling and Heating respectively (Minimum and maximum system temperature) MPa Max.
Page 76 This instruction booklet is made of ecological paper. immergas.com Immergas S.p.A. 42041 Brescello (RE) - Italy Tel. 0522.689011 Fax 0522.680617...

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