Galletti MPE Instructions For Installation, Use And Maintenance Manual

Chillers and heat pumps

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InstallatIon, use and maIntenance manual

PLUS

» Completely configurable

» Dual-compressor version that guarantees high efficien-

cy at partial loads

» Production of chilled water up to an air temperature of

47 °C

» Incorporable hydraulic kit

MPE

chillers and heat pumps

4 kW - 76 k W

Axial fan

Scroll compressor

Refrigerant

Cooling only

Heating/Cooling

R-410A

Packaged

Rotary

execution

compressor

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Page 1 InstallatIon, use and maIntenance manual chillers and heat pumps 4 kW - 76 k W Axial fan Scroll compressor Refrigerant Cooling only Heating/Cooling Packaged Rotary R-410A execution compressor PLUS » Completely configurable » Dual-compressor version that guarantees high efficien- cy at partial loads »...
Page 2 Dear Customer, Thank you for placing your trust in one of the products of Galletti S.p.a This product is the result of our work and our commitment to design, research, and production and has been made from the finest materials, employing state-of-the-art components and production technology.
Page 3 By en- ranty. suring this product is disposed of correctly, you will help Ū Galletti S.p.A. shall not accept any liability for injury to prevent potential negative consequences for the envi- or damage resultingcfrom improper use of the equip- ronment and human health.
Page 4: Table Of Contents
9.2.6 Water safety valve 4�2 MPE H HEAT PUMPS RATED TECHNICAL DATA � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p� 40 9.2.7 Safety device settings...
Page 5: The Mpe Series
Do not install the unit in environments with gas or flamma- ble dusts. MAIN FEATURES MPE water chillers and heat pumps are designed for outdoor installation in both residential and industrial applications. The range uses R410A refrigerant, which assures high levels of per-...
Page 6: Models And Versions
R410A refrigerant. NOTE: The choice of some options can make the choice of some The MPE series consists of 11 models only cooling mode and others forbidden or make some selection (fields) mandatory. 28 models in heat pumps with different powers. All models Please contact Galletti S.p.A.
Page 7: Constructive Features
(included). ELECTRONIC MICROPROCESSOR CONTROL COOLING CIRCUIT The electronic control enables the complete control of the MPE Ū Scroll type compressors in a tandem configuration that can unit. It can be easily accessed through a polycarbonate flap with be sound insulated (Frame 3 e 4).
Page 8: Fan Drive Assembly
Ū Heat recovery 25% (chiller) Ū Special exchangers (hydrophilic treatment, copper-copper, cataphoresis, anti-corrosion) FAN DRIVE ASSEMBLY Electric fan with 6/8-pole external rotor motor directly keyed to the axial fan, with internal thermal protection on the windings, complete with safety grille and dedicated supporting structure. The fan is housed in a special compartment having a profile de- signed to optimise ventilation.
Page 9: Inspection, Conveyance Dimensional And Siting
Ū Solidity of the supporting surface; Galletti S.p.A. Must be notified of the entity of the damage with- Ū Avoid obstacles to the outflow of air from the fan which could in 8 days of the delivery date.
Page 10: Installation Clearance Requirements
MPE H 04 - 08 , spazi installazione MPE 09-15 , spazi installazione MPE H 18-27; MPE C T18-T25 , spazi installazione MPE 28-40 - T30 - T42 and spazi installazione MPE T54 - T76 . Ū Verify that there are no obstacoles in front of the fans air out- let.
Page 11 » MPE H 04 - 08 RG66019585-04 All copying, even partial, of this manual is strictly forbidden...
Page 12 » MPE 09 - 15 » MPE T18-T25 INSTALLATION, USE AND MAINTENANCE MANUAL...
Page 13 » MPE 28 - 40 - T30 - T42 » MPE T54 - T76 RG66019585-04 All copying, even partial, of this manual is strictly forbidden...
Page 14: Dimensions
DIMENSIONS » MPE H 04 - 08 INSTALLATION, USE AND MAINTENANCE MANUAL...
Page 15 » MPE 09 -15 RG66019585-04 All copying, even partial, of this manual is strictly forbidden...
Page 16 » MPE 18 - 27 INSTALLATION, USE AND MAINTENANCE MANUAL...
Page 17 » MPE C T18-T23-T25 RG66019585-04 All copying, even partial, of this manual is strictly forbidden...
Page 18 » MPE 28 - 40 ; MPE T30 - T42 INSTALLATION, USE AND MAINTENANCE MANUAL...
Page 19 » MPE H 54 - 66 RG66019585-04 All copying, even partial, of this manual is strictly forbidden...
Page 20 » MPE T54 - T76 INSTALLATION, USE AND MAINTENANCE MANUAL...
Page 21: Technical Features
TECHNICAL FEATURES MPE C WATER CHILLERS RATED TECHNICAL DATA » MPE C water chillers rated technical data Power supply V-ph-Hz 400 - 3N - 50 Cooling capacity (1)(E) 19,9 23,4 26,0 31,9 35,9 42,5 54,6 56,9 65,8 71,5 Total power input...
Page 22 MPE H HEAT PUMPS RATED TECHNICAL DATA » MPE H heat pumps rated technical data 004M 005M 007M 008M Power supply V-ph-Hz 230 - 1 - 50 230 - 1 - 50 230 - 1 - 50 400 - 3N - 50...
Page 23 » MPE H heat pumps rated technical data 010M 400 - 3N 400 - 3N 400 - 3N 400 - 3N 400 - 3N 400 - 3N 400 - 3N 400 - 3N Power supply V-ph-Hz 230 - 1 - 50...
Page 24 » MPE H heat pumps rated technical data Power supply V-ph-Hz 400 - 3N - 50 Cooling capacity (1)(E) 27,4 29,4 30,8 33,3 34,1 38,8 51,8 62,5 Total power input (1)(E) 8,81 10,6 10,2 12,8 11,6 13,1 18,2 24,6 Absorbed rated current...
Page 25 » MPE H heat pumps rated technical data Power supply V-ph-Hz 400 - 3N - 50 Cooling capacity (1)(E) 42,5 53,2 60,5 68,5 74,5 Total power input (1)(E) 15,3 18,7 21,7 24,1 28,0 Absorbed rated current 27,0 34,0 38,6 42,5...
Page 26: Microprocessor Control
MICROPROCESSOR CONTROL Below are specified the microprocessor control functions in the The advanced control instructios are described in service basic version. manual. USER INTERFACE The control panel of the unit enables the user to display and set been triggered. Any new settings saved are stored in the card the unit's operating parameters and read the main operating and used the next time the unit is switched on, even following data.
Page 27: Keys Functions
KEYS FUNCTIONS PROGRAMMING BY KEY The control parmeters were collected in functional groups (CF=- KEYS FUNCTION configuration, CO=compressor) each identified with a label; Push and release in main display: general group ALL contain all control's parameters. allows to display chiller (label SetC) or pdc (label 5.3.1 How to access the “Pr1”...
Page 28: How To Set The Unit Stand-By
(close=ON) Ū Connect summer/winter signal in terminal block on 19/30 Ū push SET key near rSt label for reset the alarm and move to (close =Summer) the next; Ū Enable the contacts through parameters CF8 = 4 e CF10 = 3 Ū...
Page 29: Start-Up
The first start up must be carried out exclusively by qualified as residue from the work carried out (e.g. welding). Continue personnel and authorized by Galletti S.p.A. (see warranty flushing until the water (to be disposed of ) becomes clear.
Page 30: Plumbing And Electrical Connections
Ū discharge cock and, where needed, drain tank in order to empty the system for maintenance or seasonal stops. Drain- All the units belonging to the MPE series are equipped with wa- age valve is provided on the optional water buffer tank: this...
Page 31: Filling The System
sure there are no open flames in proximity to or inside the Percentage by weight of ethylene glycol Mixture freezing temperature (°C) unit. When setting up the water circuit, it is advisable to equip it with: Ū valves for regulating (VI) the unit on the water pipes, imme- diately upstream and downstream from the unit itself, to be used in the event maintenance work is required;...
Page 32: Electrical Connections
IEC Standards (contacts must be Ū a remote switch for changing over between the cooling and open at least of 3 mm), with suitable interruption capacity heating mode (MPE H only), and differential protection, according to the electrical data Ū a remote alarm indicator...
Page 33: Electrical Data
ELECTRICAL DATA » MPE C Maximum power input 10,1 15,9 16,1 20,9 24,4 21,7 27,0 28,2 31,6 35,4 Maximum current absorption 16,2 25,5 25,8 33,5 39,1 34,8 43,3 45,2 58,7 56,8 Start up current Startup current with soft starter Fan motor rated power...
Page 34 » MPE H 004M 005M 007M 008M 010M Maximum power input 2,00 2,30 3,00 5,00 5,00 7,20 5,10 8,90 10,5 Maximum current absorption 9,00 11,0 11,0 9,00 17,6 8,00 12,0 24,0 15,0 11,0 18,0 Start up current Startup current with soft starter...
Page 35 maximum current allowed in the unit This value may never » PCD remote control panel electrical connection diagram be exceeded; it must be used as a reference for determining the size of the power supply line and the related safety de- vices (refer to the wiring diagram supplied with the units).
Page 36: Water Circuit
13 Differential pressure switch Air purge valve Safety valve ------ Internal and external borderline 10 Antifreeze electric heating Pressure gauge ——— OPTIONAL » MPE ( evaporator and pump) LEGEND 15 Differential pressure switch Evaporator Expansion tank 16 - Safety valve...
Page 37 10 Antifreeze electric heating Drain Flow switch Buffer tank ------ Internal and external borderline Air purge valve Expansion tank ——— OPTIONAL » MPE (evaporator, pump and tank) LEGEND 15 Differential pressure switch Evaporator Expansion tank 16 - Safety valve 10 Antifreeze electric heating...
Page 38: Operating Limits
OPERATING LIMITS 1. Value achievable only for outdoor air temperatures above 0 The graphs below illustrate the operating limits of MPE units (in the case of continuous operation) in relation to the outlet water ° C. temperature and outdoor air temperature.
Page 39: Operating Limits In Heat Pump Mode
Parameters GAIN and INT TIME are regulation parameters; they have to be modified inside the electronic expansion valve driv- er. Both modifications should only made in the factory or im- plemented on the field, but only by Galletti S.p.A. authorized personnel. THERMAL CARRYING FLUID The units belonging to the MPEseries can work with mixtures of water and up to 25% ethylene glycol.
Page 40: Control And Safety Devices
CONTROL AND SAFETY DEVICES 9.2.7 Safety device settings All the control and safety devices are set and tested in the facto- ry before the unit is dispatched. Safety device Start up Differential Resetting CONTROL DEVICES Maximum pressure switch (bars) Manual Pressure safety valve (bars) Manual Minimum pressure switch (bars)
Page 41: Routine Maintenance And Checks
10 ROUTINE MAINTENANCE AND CHECKS It is recommended to carry out periodic checks of the safety it must be inspected by qualified personnel who must first devices (pressure switches and safety valves) and verify the ab- check the integrity of the cooling circuit (pipes and compo- sence of refrigerant leaks.
Page 42: Components Description
11 COMPONENTS DESCRIPTION » MPE H 04 - 08 DESCRIPTION 11 Water safety valve R410A-air heat-exchanger 12 Liquid receiver (MPE H) R410A-water heat-exchanger 13 Circulation pump Fans 14 Compressor Water differential pressure switch (fan housing) 15 Refrigerant filter Automatic air purge valve...
Page 43 » MPE C 09 - 14 ; MPE H 10 - 15 DESCRIPTION R410A-air heat-exchanger 11 Water safety valve 12 Liquid receiver (MPE H) R410A-water heat-exchanger Fans 13 Circulation pump 14 Compressor Water differential pressure switch (fan housing) 15 Refrigerant filter...
Page 44 » MPE C 19 - 27 ; MPE H 18 - 27 DESCRIPTION R410A-air heat-exchanger 11 Water safety valve 12 Liquid receiver (MPE H) R410A-water heat-exchanger Fans 13 Circulation pump 14 Compressor Water differential pressure switch (fan housing) 15 Refrigerant filter...
Page 45 » MPE 28 - 40 DESCRIPTION R410A-air heat-exchanger 11 Water safety valve 12 Liquid receiver (fan housing)(MPE H) R410A-water heat-exchanger Fans 13 Circulation pump 14 Compressor Water differential pressure switch (fan housing) 15 Refrigerant filter Automatic air purge valve 16 Low pressure switch and charge port...
Page 46 » MPE H 54 - 66 DESCRIPTION R410A-air heat-exchanger 11 Water safety valve 12 Liquid receiver (fan housing)(MPE H) R410A-water heat-exchanger Fans 13 Circulation pump 14 Compressor Water differential pressure switch (fan housing) 15 Refrigerant filter Automatic air purge valve...
Page 47 » MPE C T30 - T44 ; MPE H T30 - T45 DESCRIPTION R410A-air heat-exchanger 11 Water safety valve 12 Liquid receiver (fan housing)(MPE H) R410A-water heat-exchanger Fans 13 Circulation pump 14 Compressor Water differential pressure switch (fan housing) 15 Refrigerant filter...
Page 48 » MPE T54 - T76 DESCRIPTION R410A-air heat-exchanger 10 Water safety valve 11 Liquid receiver (fan housing)(MPE H) R410A-water heat-exchanger Fans 12 Circulation pump 13 Compressor Water differential pressure switch (fan housing) 14 Refrigerant filter Automatic air purge valve 15 Low pressure switch and charge port...
Page 49: Cooling Circuits
12 COOLING CIRCUITS » Legend N° COMPONENT SYMBOL Compressor Evaporator Condenser Thermostatic valve Electrical fan Filter Sight glass Solenoid valve High pressure switch Low pressure switch High pressure gauge Low pressure gauge Service connection Differential pressure switch Check valve 4 Way diversion valve Liquid separator Liquid receiver Pressure transducer...
Page 50 » MPE H 04 - 07 Cooling circuit INSTALLATION, USE AND MAINTENANCE MANUAL...
Page 51 » MPE H 04 - 07 Cooling circuit with electronic valve RG66019585-04 All copying, even partial, of this manual is strictly forbidden...
Page 52 » MPE H 08 - 27 Cooling circuit INSTALLATION, USE AND MAINTENANCE MANUAL...
Page 53 » MPE H 08 - 27 Cooling circuit with electronic valve RG66019585-04 All copying, even partial, of this manual is strictly forbidden...
Page 54 » MPE C T18-T23-T25 Cooling circuit INSTALLATION, USE AND MAINTENANCE MANUAL...
Page 55 » MPE C T18-T23-T25 Cooling circuit with electronic valve RG66019585-04 All copying, even partial, of this manual is strictly forbidden...
Page 56 » MPE H 28 - 66 Cooling circuit INSTALLATION, USE AND MAINTENANCE MANUAL...
Page 57 » MPE H 28 - 66 Cooling circuit with electronic valve RG66019585-04 All copying, even partial, of this manual is strictly forbidden...
Page 58 » MPE C T30 - T71 Cooling circuit INSTALLATION, USE AND MAINTENANCE MANUAL...
Page 59 » MPE C T30 - T71 Cooling circuit with electronic valve RG66019585-04 All copying, even partial, of this manual is strictly forbidden...
Page 60 » MPE H T30 - T76 Cooling circuit INSTALLATION, USE AND MAINTENANCE MANUAL...
Page 61 » MPE H T30 - T76 Cooling circuit with electronic valve RG66019585-04 All copying, even partial, of this manual is strictly forbidden...
Page 62: Troubleshooting
Operations marked with the letter "S" may be performed exclusively by specialised personnel. Once the cause has been identified, you are advised to contact a Galletti S.p.A. service centre or a qualified technician for help.
Page 63 Who can take corrective action Possible control panel SYMPTOM U = User Probable cause Possible remedy indication S = specialised personnel Unit completely empty See item G Water circulation pump Release the pump blocked Water circulation pump Check the pump and replace it if necessary. blocked defective The compressor Presence of frost on the...
Page 64: Retiring The Unit
14 RETIRING THE UNIT When the unit has reached the end of its working life and needs quantities of copper, aluminium and steel present in the to removed and replaced, a series of operations should be car- unit. This will make the job of waste collection, disposal and ried out: recycling facilities easier and minimise the environmental Ū...
Page 68 Romagnoli 12/a 40010 Bentivoglio (BO) - Italy Galletti S.p.A Organization has a Ph. +39 051/8908111 - Fax +039 051/8908122 Management System Certified by Kiwa Cermet Italia S.p.A, according to the UNI EN ISO 9001:2015, UNI EN ISO 14001:2015 and UNI ISO www.galletti.com...

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