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Chiller and Inverter Air/Water heat pumps with axial fan
User-Installer Manual
Model
i-32V5C MIDI 0121
i-32V5C MIDI 0126
i-32V5C MIDI 0128
i-32V5C MIDI 0132
This manual has been created for informative purpose. The company declines any responsibility for the results of any projecting or any installation based on the
explanations and/or on the technical specifications provided in this manual. It is besides forbidden the reproduction under any form of the texts of the figures
contained in this manual. This manual is a translation from the official italian language version. For reasons of environmental respect the Company will not provide
the hard copy in the original language which could be directly requested or downloaded from the Company website at any time. In case of any dispute, the original
languate manual will be the trusted one. Even partial reproduction PROHIBITED © Copyright - Advantix SpA
www.maxa.it
i-32V5H MIDI 0121
i-32V5H MIDI 0126
i-32V5H MIDI 0128
i-32V5H MIDI 0132
R32
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Summary of Contents for MAXA i-32V5C MIDI 0121
- Page 1 Chiller and Inverter Air/Water heat pumps with axial fan User-Installer Manual Model i-32V5C MIDI 0121 i-32V5H MIDI 0121 i-32V5C MIDI 0126 i-32V5H MIDI 0126 i-32V5C MIDI 0128 i-32V5H MIDI 0128 i-32V5C MIDI 0132 i-32V5H MIDI 0132 This manual has been created for informative purpose. The company declines any responsibility for the results of any projecting or any installation based on the explanations and/or on the technical specifications provided in this manual.
- Page 2 i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan 01-2021 First emission Date Compiled Approved Note Code Serie MUI01040120001.00 Chillers and Inverter Air/Water heat pumps with axial fan...
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Page 3: Table Of Contents
5.3.1 Lifting mode ......................11 5.4 POSITIONING AND MINIMUM TECHNICAL CLEARANCES .......... 12 5.5 DIMENSIONS ......................14 5.5.1 Model i-32V5C Midi 0121, i-32V5C Midi 0126 ............14 5.5.2 Model i-32V5H Midi 0121, i-32V5H Midi 0126 ............14 5.5.3 Model i-32V5C Midi 0128, i-32V5C Midi 0132 ............15 5.5.4 Model i-32V5H Midi 0128, i-32V5H Midi 0132 ............ - Page 4 i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan 6.1 SWITCHING ON THE UNIT..................26 7. INSTRUCTIONS FOR THE USER ..................26 8. Shutdowns for long periods .................... 26 9. MAINTENANCE AND PERIODIC CHECKS ................27 9.1 CLEANING THE FINNED COIL ..................28 9.1.1 Cleaning the filled coil treated with the anti-corrosion method ......
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Page 5: Purpose And Contents Of The Manual
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan The manual of the units contains all the necessary information for optional use of the equipment under safe conditions for the operator. 1. PURPOSE AND CONTENTS OF THE MANUAL This manual provides basic information as to the selection, installation, operation and maintenance of the unit. -
Page 6: Permitted Use
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan 3. PERMITTED USE • The company excludes any contractual and extra contractual liability for damage caused to persons, animals or objects, by incorrect instal- lation, setting and maintenance, improper use of the equipment, and the partial or superficial reading of the information contained in this manual. -
Page 7: Workers' Health And Safety
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan 4.1 WORKERS' HEALTH AND SAFETY The European Union has issued some directives regarding the safety and health of workers, including:: 89/391/CEE, 89/686/CEE, 2009/104/CE, 86/188/CEE and 77/576/CEE, and subsequent amendments which every employer is obliged to follow and have followed. We observe therefore that: Do not tamper with or replace parts of the unit without the specific consent of the manufacturer. -
Page 8: Safety Signs
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan Wear safety shoes with non-slip soles, especially in rooms with slippery floor. Gloves: During maintenance or cleaning operations, appropriate protective gloves must be used. Mask and goggles: Respiratory protection (mask) and eye protection (goggles) should be used during cleaning operations. 4.3 SAFETY SIGNS The unit features the following safety signs, wich must be complied with: Generic hazard... - Page 9 i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan 4.4 REFRIGERANT SAFETY DATA SHEET Name: HAZARDS IDENTIFICATION Main hazards: Asphyxia� on. Specifi c hazards: Quick evapora� on could cause it to freeze. FIRST AID MEASURES General informa� on: Do not administer to people who are unconscious. Immediately remove to fresh air.
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Page 10: Specific R32 Gas Warnings
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan 4.5 SPECIFIC R32 GAS WARNINGS The R32 refrigerant gas: • is odourless; • is flammable, but only if there are naked flame; • it may cause an explosion, but only if a given concentration in air is reached. It is a good practice to follow these guidelines: •... -
Page 11: Transport And Storage Limit Temperature
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan CAUTION: The unit must be installed so as to allow free movement for repair and maintenance operations. The warranty does not cover costs for platforms or other lifting equipment needed for any interventions. CAUTION: The unit must be installed so as to allow free movement for repair and maintenance operations. -
Page 12: Positioning And Minimum Technical Clearances
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan Lifting through forklift truck Lifting through ropes 5.4 POSITIONING AND MINIMUM TECHNICAL CLEARANCES All models of the range are designed and constructed for outdoor installations. It is advisable to create an adequately sized support base for the unit. The units transmit a small amount of vibrations to the ground: it is none- theless advisable to apply vibration dampers between the base frame and support surface. - Page 13 MIDI Chillers and Inverter Air/Water heat pumps with axial fan MODEL i-32V5C Midi 0121, 0126 1500 i-32V5H Midi 0121, 0126 i-32V5C Midi 0128, 0132 1500 i-32V5H Midi 0128, 0132 Do not obstruct or cover the ventilation openings. For strong wind installation place refer to the classification of the area according to the Beaufort table. If the value is > 7 (strong wind, average wind speed = 13,9-17,1 m/s) it is strictly necessary to keep the fan always powered, thus preventing involuntary rotation of the same.
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Page 14: Dimensions
, with reference to the DPCM of 14/11/1997. An assessment must also be made if the unit is installed in the proximity of workers according to D. LGS. 81/2008 Art. 189 and following. 5.5 DIMENSIONS 5.5.1 Model i-32V5C Midi 0121, i-32V5C Midi 0126 Dimensions and weights Model i-32V5C MIDI 0121, i-32V5C MIDI 0126 A -.Length... -
Page 15: Model I-32V5C Midi 0128, I-32V5C Midi 0132
In the following tables, we report the position of the barycentre of each machine, with reference to the dimensions shown in the image. Shipping Operating Models A [mm] B [mm] Xb [mm] Yb [mm] weights [kg] weights [kg] i-32V5C Midi 0121, 1600 0126... -
Page 16: Accessing The Inner Parts
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan Shipping Operating Models A [mm] B [mm] Xb [mm] Yb [mm] weights [kg] weights [kg] i-32V5H Midi 0121, 1600 0126 i-32V5C Midi 0128, 1600 0132 i-32V5H Midi 0128, 1600 0132 The ideal installation positions of the dampers for each type of machine are shown in the below images. -
Page 17: Plumbing Connections
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan The above operations must be carried out with the machine switched off and disconnected from the power supply (by means of a disconnecting switch provided by the installer). These operations must be carried out by qualified personnel. On finishing the work, refit all the removed covers with all the screws provided and the seals (if fitted). -
Page 18: Hydraulic Diagram Inside The Unit
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan MAXIMUM CHEMICAL-PHYSICAL PROPERTIES ALLOWED FOR THE CIRCUIT WATER Manganese (Mn) < 0,05 ppm Iron (Fe) < 0,3 ppm Alkalinity (HCO3) 70 – 300 ppm Chloride ions (Cl-) < 50 ppm Sulphate ions (SO4) <... -
Page 19: Filling / Discharge Of The Plant
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan FOR THE HEAT PUMP UNITS, ESPECIALLY IN VERY COLD CLIMATE REGIONS, IT’S RECOMMENDED TO INSTALL ELEVATION SUPPORTS IN ORDER ALLOW FORMATION UNDER UNIT WITHOUT DAMAGING FREEZING. CAUTION: for heat pump units, in the event that the prepared ducting system is not used, a limited amount of water (possible ice in the winter period) from the condensate drainage system may be deposited in the vicinity of the unit, with consequent danger of slipping/falling. -
Page 20: Service Sleeves
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan 5.8.5 Service sleeves The unit is fitted with an air venting valve to automatically remove air that has built up in the circuit, prevent- ing undesirable effects such as premature corrosion and wear, lower performance and low exchange output. The device also features a safety function because, in the event of exchanger breakdown, it allows the refrig- erant gas to escape outside, preventing it fro being conveyed to the internal terminals. -
Page 21: Power Supply
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan [ 1 ] [ 2 ] 1. Remove the two access panels to the components compartment by unscrewing the screws as shown in figure 1 2. To access the power supply terminal block, remove panel A by unscrewing the screws as shown in figure 2. 3. To access the user terminal block, remove panel B by unscrewing the screws as shown in figure 2. -
Page 22: User Terminal Block
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan assessments to ensure the absence of interference.. 5.9.3 User terminal block The connection terminal block is located under the machine cover. For access, see the instructions. The terminal block must be connected re- specting the notes below. -
Page 23: Control Logics
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan Terminal block Terminal block GI Terminal Connection Type Changeover contact, single-phase voltage XP-6.1/6.2 Compressor indication 230Vac, 50Hz, 5A resistivi, 1 A inductives. Changeover contact, single-phase voltage XP-7.1/7.2 Alarm indication 230Vac, 50Hz, 5A resistivi, 1 A inductives. -
Page 24: Functional Diagrams
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan 5.10 FUNCTIONAL DIAGRAMS 5.10.1 i-32V5C Midi P-DS1 DS 1 PSH1 INVC1 EEV1 LEGEND INVC VARIABLE SPEED COMPRESSOR MOISTURE LIQUID INDICATOR CONDENSER-FINNED BATTERY PEH TC HIGH-PRESSURE TRANSDUCER PLATE EVAPORATOR-EXCHANGE PED TR LOW PRESSURE TRANSDUCER ELECTRONIC EXPANSION VALVE HIGH-PRESSURE SWITCH CHARGING ATTACHMENT... -
Page 25: I-32V5H Midi
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan 5.10.2 i-32V5H Midi CO/EV1 RD/RS DS 1 P-DS1 EEV1 DHW-OUT DHW-IN SBSV 1 PSH1 INVC1 RS/RD LEGEND INVC VARIABLE SPEED COMPRESSOR LIQUID LINE CO/EV FINNED BATTERY YISV 4-WAY VALVE REVERSE CYCLE EV/CO PLATE EXCHANGER SUBCOOLING BYPASS LINE... -
Page 26: Startup
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan 6. STARTUP Before start-up: 1. Check that the diagrams and manuals of the installed machine are available. 2. Check that the wiring and plumbing diagrams of the plant the machine is connected to are available. 3. Check that the shut-off valves of the water circuits are open. -
Page 27: Maintenance And Periodic Checks
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan The anti-freeze system remains in operation if the continuity of electrical supply to the appliances is guaranteed. If the system is expected to remain idle for a long period of time, it is recommended to empty the liquid from the system unless there is an adequate amount of glycol. -
Page 28: Cleaning The Finned Coil
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan After the maintenance operations, pay attention to the correct tightening of the cable gland designed for the passage of the electric power cable.. It is recommended to have specialised personnel perform periodical inspections and maintenance. The EU regulation n.517/2014 establishes that users must perform regular inspections on the plants, checking water tightness and eliminating any leaks as quickly as possible. -
Page 29: Cleaning Of External Surfaces
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan CAUTION:Do not clean the coil using high-pressure cleaners so as not to apply excessive pressure which could cause irrepa- rable damage. Damage caused by cleaning with unsuitable chemical substances or excessively high water pressure will not be recognised under warranty.. -
Page 30: Residual Risk
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan An incorrect decommissioning of the appliance may create serious environmental damage and endanger people’s safety. Therefore, it is recommended that the unit be disposed only by authorised persons with technical training who have attend- ed training courses acknowledged by the competent authorities. - Page 31 i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan User / Activity Operator User Danger Indication / Instruction Residual risk The correct maintenance Mechanical: cut / abrasion procedures are indicated in the caused by the presence of edges Failure to comply with the proce- user-installer manual under chap- on the external casing of the ma-...
- Page 32 i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan User / Activity Operator User Danger Indication / Instruction Residual risk Generated by materials / sub- The user-installer manual under Failure to comply with the stances: fire / explosion causes chapter 5 contains specific indica- indications relating to the place gas classified as slightly flamma-...
- Page 33 i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan User / Activity Operator User Danger Indication / Instruction Residual risk In the user-installer manual under paragraph 5.9 is recom- Generated by unit use environ- mended to power the unit via a ment: electromagnetic distur- Failure to comply with the dedicated line and protections.
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Page 34: Technical Data
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan TECHNICAL DATA 12.1 TECHICAL SHEET i-32V5C MIDI i-32V5C MIDI TECHNICAL CHARACTERSTICS Unità 0121 0126 0128 0132 7,8 / 20,7 / 8,8 / 25,9 / 10,1 / 28,1 / 11,2 / 31,8 / Cooling capacity (1) min/nom/max 24,7* 27,1*... -
Page 35: Techniical Sheet I-32V5H Midi
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan 12.2 TECHNICAL SHEET i-32V5H MIDI i-32V5H MIDI TECHNICAL CHARACTERISTICS Unit 0121 0126 0128 0132 6,9 / 17,7 / 7,8 / 18,7 / 9,0 / 24,2 / 10,1 / 26,0 Cooling capacity (1) min/nom/max 18,0* 22,7* 25,0*... -
Page 36: Unit And Auxiliary Electrical Data
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan Performance reffering to the following conditins, according to standards 14511:2018: (1) Cooling: outdoor air temperature 35°C; in/out water temperature 12/7°C. (2) Cooling: outdoor air temperature 35°C; in/out water temperature 23/18°C. (3) Heating: outdoor air temperature temperatura aria esterna 7°C b.s. - Page 37 i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan 13.4 AMBIENT AIR TEMPERATURE AND SUMMERISED TABLE The units are designed and built to operate in summer mode, with condensation control, at outdoor air temperatures between -10°C and 48°C. I heat pup mode, the allowed temperature range of the outdoor air is from -20°C to +35°C depending on the outlet water temperature as shown in table below.
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Page 38: User Interface - Controller
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan DOMESTIC HOT WATER MODE Envelope sanitario Ta [°C] USER INTERFACE - CONTROLLER The unit includes a display placed underneath a hinged polycarbonate transparent door with a protection rating of IP67. The interface has a part with variable text and a series of icons identifying operation of the unit as shown in the table below. -
Page 39: Menu
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan Led KA resistors: is lit if the antifreeze resistors are active. The buttons have the specific function described below Select the operating mode and manually reset any alarms. Each time you press the key you have the following sequence: OFF ->... -
Page 40: Alarm Menu[Err]
i-32V5 MIDI Chillers and Inverter Air/Water heat pumps with axial fan 14.3 ALARM MENU[ERR] The menu only appears if there are active alarms and lists the errors present. In the case of a multi-circuit machine, the alarms are subdivided by circuit (label ALCx grants access to the alarms of circuit number x). TROUBLESHOOTING PROBLEM CAUSE... - Page 44 ADVANTIX SpA Via S. Giuseppe Lavoratore 24, 37040 Arcole (VR) Italy Tel. (+39).045.76.36.585 E-mail: info@advantixspa.it www.maxa.it...
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