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EN
Technical manual
PLE
air-water chillers and heat pumps with low-GWP refrigerant
5 0 - 160 k W
R-454B refrigerant
A2L gas leak
Axial fan
Scroll compressor
Cooling only
Heating/Cooling
detection
PLUS
» Refrigerant with GWP of less than 500
» High seasonal efficiency values
» Electronic expansion valve
» Tandem configuration single circuit
» Remote connectivity with the most common protocols
» Possibility to configure low-noise versions
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Table of Contents
Related Manuals for Galletti PLE152CS
Summary of Contents for Galletti PLE152CS
- Page 1 Technical manual air-water chillers and heat pumps with low-GWP refrigerant 5 0 - 160 k W R-454B refrigerant A2L gas leak Axial fan Scroll compressor Cooling only Heating/Cooling detection PLUS » Refrigerant with GWP of less than 500 » High seasonal efficiency values »...
- 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.
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Page 3: Table Of Contents
TABLE OF CONTENTS SERIES INSTALLATION CLEARANCE p 4 REQUIREMENTS p 21 CONSTRUCTIVE FEATURES... -
Page 4: Series
SERIES The PLE range units are designed for heating and cooling the not accessible to the public. water to be used in ari-conditioning or process system, for resi- WARNING: Do not install the unit in environments with gas dential, commercial or industrial. The PLE range units are intend- or flammable dusts.(ATEX zone) ed for outdoor installation (iP24 protection degree), in a position CONSTRUCTIVE FEATURES... -
Page 5: 27 Gas Leak Detection System P
40%, with obvious benefits from an ecological point of view. Galletti microchannel coils are made of Long Life Alloy, an aluminium alloy that offers maximum safety in urban and industrial environments. -
Page 6: Configuration Options
50 to 160 kW, available as cooling only and reversible heat others forbidden or make some selection (fields) mandatory. pump mode, charged with R454B fluid classified like A2L (slight- Please contact Galletti for verification. ly flammable) » Configuration options... -
Page 7: Technical Features
TECHNICAL FEATURES WATER CHILLERS RATED TECHNICAL DATA PLE C » Water chillers rated technical data PLE C Power supply V-ph-Hz 400 / 3+N / 50 Cooling capacity 53,0 59,0 66,0 72,0 88,0 97,0 Total power input 17,4 20,1 23,0 26,3 30,2 34,3 39,9... -
Page 8: Ped Category
HEAT PUMPS RATED TECHNICAL DATA PLE H » Heat pumps rated technical data PLE H Power supply V-ph-Hz 400 / 3+N / 50 Cooling capacity 50,1 54,9 62,5 70,5 83,8 92,5 Total power input 18,5 21,3 24,0 27,0 30,8 36,1 41,0 44,8 49,7... -
Page 9: Performances
PERFORMANCES Galletti has developed on its www.galletti.com web-area the based on real working conditions and their configuration help- new On-LinE integrated platform for product selection, config- ing the user in choosing options and accessories. it also allows to uration and the making of the economic offer. -
Page 10: Sound Levels
» Standard sound level LwA (1) 125 Hz (2) 250 Hz (2) 500 Hz (2) 1000 Hz (2) 2000 Hz (2) 4000 Hz (2) 8000 Hz (2) Mod. dB(A) PLE152CS 84,3 90,7 81,8 80,6 74,2 67,0 66,0 PLE142CS 84,3 90,7... -
Page 11: Operating Limits
5 K at full the operating limits, even under conditions of load regula- load. tion and splitting of the unit. if in doubt, contact the Galletti IMPORTANT: except for special requests, which can be product support department. -
Page 12: 82 Operating Limits In Heat Pump Mode P
OPERATING LIMITS IN HEAT PUMP MODE » PLE H operating range Glycol Motor check and pump seal Parametri custom per controllo condensazione Electronic control EC fans Electronic expansion valve check TECHniCAL MAnuAL... -
Page 13: 83 Thermal Carrying Fluid P
» PLE H operating range 1. Evaporation control EEV custom parameters 2. Operation limit extension (liquid injection) THERMAL CARRYING FLUID Pumps belonging to the PLEseries can operate with mixtures limits. of water and ethylene glycol, with percentage indicated in the IMPORTANT: observe the minimum water temperature in- following table. -
Page 14: Water Pressure Drop
WATER PRESSURE DROP Y FILTER PRESSURE DROPS The table below shows the pressure drops of the Y filter (Δp) as a function of the water flow rate (Qw), assuming an average water temperature of 10 °C, Unit connections Unit connections type VICTAULIC VICTAULIC VICTAULIC... -
Page 15: Water Circuit
10 WATER CIRCUIT All units in the PLE series are equipped with water flow switch Drainage valve is provided on the optional water buffer tank: (supplied with the unit), relief valve, water pressure gauge, auto- this operation may only be carried out when the unit is dis- matic vent valve, and drainage valve. - Page 16 10.1 WATER CONTENT AND CHARGING OF EXPANZION TANK SYSTEM in models without a water storage reservoir it is necessary to as- sure that the content of water within the system does not fall below 8 litres/kW in the case of cooling-only models and 10 li- tres/kW in the case of heat pump models.
- Page 17 » PLE (evaporator and tank) LEGEND Evaporator Buffer tank Water filter (included) Expansion tank Flow switch Safety valve Air purge valve 10 Antifreeze electric heating Pressure gauge ------ Internal and external borderline Drain — — — OPTIONAL » PLE (evaporator, pump and tank) LEGEND Evaporator Expansion tank...
- Page 18 » PLE (evaporator and pump) LEGEND Evaporator Expansion tank Water filter (included) Safety valve (supplied) 10 Antifreeze electric heating Flow switch Air purge valve 11 Hydraulic pump 12 Clapet valve Pressure gauge ------ Internal and external borderline Drain — — — OPTIONAL »...
- Page 19 10.3 DE-SUPERHEATER All units equipped with a heat recovery kit have modulating condensation control as a standard feature. To prevent unbal- ances from occurring in the cooling circuit in the event of start- 10.3.1 Recommended water circuit ups with very low water temperatures at the recuperator inlet The partial heat recovery option is provided by a braze-welded (<35°C), the recovery system water circuit should be configured plate heat exchanger placed in series on the compressor deliv-...
- Page 20 10.3.2 Water pressure drop De-superheater type • D1: CBH30-20M-F • D2: CBH30-30M-F • D3: CBH30-38M-F • dP[kPa]: Water pressure drop • P[l/h]: Water flow 10.3.3 Heating capacities » De-Superheather heating capacities De-superheater heating capacity De-superheater water flow 2270 2597 3010 3371 3939 4610...
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Page 21: Installation Clearance Requirements
11 INSTALLATION CLEARANCE REQUIREMENTS To guarantee the proper functioning of the unit and access for » Lifting points frame 2 maintenance purposes, it is necessary to comply with the mini- mum installation clearance requirements shown in dimensional drawings. Verify that there are no obstacoles in front of the fans air outlet. Ū... -
Page 22: Siting And Dampers
12 SITING AND DAMPERS persons with physical, sensorial or mental problems, inex- it is important to bear in mind the following aspects when choosing the best site for installing the unit: pert or unprepared, without supervision. Be careful that Ū Size and origin of water pipes; children do not approach the appliance. -
Page 23: Dimensions
13 DIMENSIONS » PLE 052-082 RG66024439-01 All copying, even partial, of this manual is strictly forbidden... - Page 24 » PLE 092-122 TECHniCAL MAnuAL...
- Page 25 » PLE 132-162 RG66024439-01 All copying, even partial, of this manual is strictly forbidden...
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Page 26: Weights
14 WEIGHTS This drawing shows the points of the machine for which weights » PLE F2 have been calculated, with respect to the basic chiller and heat pump model. The weights are shown in the tables below. » PLE F3 »... - Page 27 » Lifting center of gravity for transporting unit C version with pump and tank Frame 1232 1235 1239 1245 1373 1373 1421 1876 1927 1973 » Lifting center of gravity for transporting unit H version with pump + full tank Frame 1230 1233...
- Page 28 » H - 1 pump version weight distribution Frame Total » C - 1 pump version weight distribution with full inertial tank Frame Total 1220 1277 1327 » Operating weight H version with pump and full buffer tank Frame Total 1297 1375 1425...
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Page 29: Electrical Data
15 ELECTRICAL DATA » PLE Electrical data Maximum current absorption 48,0 52,0 58,0 64,0 78,0 85,0 94,0 Maximum power input 26,5 29,5 33,5 37,5 45,0 52,0 58,0 66,7 71,7 76,7 Start up current Startup current with soft starter Power supply V-ph-Hz 400 / 3+N / 50 Auxiliary power supply... - Page 32 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...