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TECHNICAL BULLETIN
MEX VS 15 RH / MEX VS 16 RH
MEX VS 18 RH / MEX VS 19 RH
MEX VS 112 RH /MEX VS 112T RH
MEX VS 115 RH / MEX VS 115T RH
Cod. MUI141247820-05
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 and 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 language manual
will be the trusted one".
CHILLERS AND INVERTER AIR/WATER HEAT
PUMPS WITH AXIAL FANS
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Table of Contents
Related Manuals for Thermocold HYDRONIC MEX VS 15 RH
Summary of Contents for Thermocold HYDRONIC MEX VS 15 RH
- Page 1 CHILLERS AND INVERTER AIR/WATER HEAT PUMPS WITH AXIAL FANS TECHNICAL BULLETIN MEX VS 15 RH / MEX VS 16 RH MEX VS 18 RH / MEX VS 19 RH MEX VS 112 RH /MEX VS 112T RH MEX VS 115 RH / MEX VS 115T RH Cod.
- Page 2 MEX VS Chillers and inverter air / water heat pumps with axial fans CE CONFORMITY DECLARATION DICHIARAZIONE DI CONFORMITÁ CE THE COMPANY TCM SRL – VIA DEI CICLAMINI 25 70026 MODUGNO BARI – ITALY LA SOCIETÀ TCM SRL / VIA DEI CICLAMINI 25 70026 MODUGNO BARI - ITALY DECLARES DICHIARA that the unit:...
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Page 3: Table Of Contents
MEX VS Chillers and inverter air / water heat pumps with axial fans INDEX PURPOSE AND CONTENT OF THE MANUAL ..........................5 CONSERVATION OF THE MANUAL ............................5 GRAPHIC SYMBOLS ................................. 5 SAFETY LAWS ..................................5 PERMITTED USES ................................... 6 GENERAL SAFETY GUIDELINES .............................. - Page 4 MEX VS Chillers and inverter air / water heat pumps with axial fans OPERATION LIMITS ................................24 15.1 EVAPORATOR WATER FLOW RATE ............................24 15.2 COLD WATER TEMPERATURE (SUMMER OPERATION) ......................24 15.3 HOT WATER TEMPERATURE (WINTER OPERATION) ......................24 15.4 AMBIENT AIR TEMPERATURE AND SUMMARIZING TABLES ....................
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Page 5: Purpose And Content Of The Manual
MEX VS Chillers and inverter air / water heat pumps with axial fans The manual of MEX VS units collects all the necessary information for the better use of the equipment under safety conditions for the operator thus meeting the requirements listed in the 2006/42/CE Equipment Directive and following amendments. 1 PURPOSE AND CONTENT OF THE MANUAL This manual provides basic information as for the installation, the operation and the maintenance of the MEX VS units. -
Page 6: Permitted Uses
MEX VS Chillers and inverter air / water heat pumps with axial fans 3 PERMITTED USES The company excludes any contractual and extra contractual liabilities for damages caused to persons, animals or objects, by incorrect installation, setting and maintenance, improper use of the equipment, and the partial or superficial reading of the information contained in this manual. -
Page 7: Personal Safety Equipment
MEX VS Chillers and inverter air / water heat pumps with axial fans For any intervention on the heat pump: Wear appropriate Personal Protective Equipment (PPE) specifically, gloves and goggles. Ensure that the workplace is well ventilated. Do not work in closed rooms or ditches with weak air circulation. Do not work on the refrigerant near open flames or near hot parts. -
Page 8: Refrigerant Safety Data Sheet
MEX VS Chillers and inverter air / water heat pumps with axial fans 4.4 REFRIGERANT SAFETY DATA SHEET Name: R410A (50% Difluoromethane (R32); 50% Pentafluoroethane (R125). RISKS INDICATIONS Major risks: Asphyxia Specific risks: The rapid evaporation may cause freezing. FIRST AID General information: Never give anything by mouth to an unconscious person. -
Page 9: Frame
MEX VS Chillers and inverter air / water heat pumps with axial fans The MEX VS water chillers and heat pumps series are designed for applications in residential and commercial areas, These units are extremely versatile and can operate in heat pump mode with the ability of producing hot water at a temperature of 58°C for environmental heating and sanitary applications. -
Page 10: Monitoring And Protection Devices
MEX VS Chillers and inverter air / water heat pumps with axial fans 5.9 MONITORING AND PROTECTION DEVICES All units are standard supplied with the following monitoring and protection devices: return water temperature sensor installed at the return water pipe line from the plant, operating and antifreeze sensor installed at the outlet pipe of the water to the plant, high pressure transducer, low pressure transducer, compressor’s inlet and outlet temperature sensors, compressors thermal protection device, fans thermal protection device, water side installed water flow switch to protect the evaporator, high pressure HP flow switch. -
Page 11: Optional Accessories
MEX VS Chillers and inverter air / water heat pumps with axial fans 6.1 OPTIONAL ACCESSORIES OPTIONAL ACCESSORIES NOT INSTALLED IN THE FACTORY Anti-vibration rubber pad to be installed in the chassis of the unit for possible shock absorption. Kit for dual set point (already included in Hi-T) that allows the control of a second set point of operation for the plant side. -
Page 12: Installation
MEX VS Chillers and inverter air / water heat pumps with axial fans 7 INSTALLATION WARNING: All the operation described in next chapters MUST BE DONE BY TRAINED PEOPLE ONLY. Before any operation on the unit, be sure that the electric supply is disconnected. Be sure also, using suitable obstructions, that can avoid accidental power supply switching ON until the end of all operations. -
Page 13: Responsible For Any Damage Or Inconvenience That May Result
MEX VS Chillers and inverter air / water heat pumps with axial fans CAUTION: It is obligatory to install the unit on a firm and appropriate basement to support its weight. Considering the weight of the unit, possible vibrations and resultant noise, we do not recommend suspension installion of the unit;... -
Page 14: Plant Drainage System
MEX VS Chillers and inverter air / water heat pumps with axial fans You can use the service valve, when it is necessary to refill the plant or adapt the concentration of glycol. Unscrew the cap of the service valve and connect to the hose a pipe of 14 mm or (inner diameter size - check the faucet model that is installed on your own unit) connected to the water network, and then load the system by unscrewing the knurled nut. -
Page 15: Refrigerant Diagram Of 06-08
MEX VS Chillers and inverter air / water heat pumps with axial fans 7.5 REFRIGERANT DIAGRAM OF 15RH-16 RH COMPRESSOR COMPRESSOR LIQUID SEPARATOR COMPRESSOR INLET TEMPERATURE COMPRESSOR OUTLET TEMPERATURE HIGH PRESSURE TRANSDUCER HIGH PRESSURE FLOW SWITCH LOW PRESSURE TRANSDUCER LIQUID SEPARATOR (only for model 09) INVERTING CYCLE VALVE LIQUID RECEIVER ELECTRONIC EXPANSION VALVE... -
Page 16: Wiring Terminal Block
MEX VS Chillers and inverter air / water heat pumps with axial fans WARNING: The electrical panel is located under the coping plate. It is necessary to respect the minimum clearances given in section 7.3 in order to be able to connect the wires. WARNING: Installer has to provide a general circuit breaker (for example a magnetothermic circuit breaker) at the beginning of unit circuit system. -
Page 17: Terminal Block And The Electric Box
MEX VS Chillers and inverter air / water heat pumps with axial fans Programmable analog input with sensor NTC-10kΏ at 25°C β 3435. SE/SE Analog or digital input Or voltage-free digital input AEHN Terminal for neutral line of (230Vac) Under-voltage output single phase 230Vac, 50Hz, 5A resistive, 1A inductive. -
Page 18: Shutdowns For Long Periods
MEX VS Chillers and inverter air / water heat pumps with axial fans WARNING: The unit must be connected to the electrical network and should be in STAND-BY mode (powered) closing the general switch in order to operate the crankcase heaters of the compressor for a minimum of 12 hours before start up. -
Page 19: Environmental Protection
MEX VS Chillers and inverter air / water heat pumps with axial fans It is a good rule to carry out periodic checks in order to verify the proper operation of the unit. OPERATION 1 month 4 month 6 month Filling the water circuit. -
Page 20: Technical Data
MEX VS Chillers and inverter air / water heat pumps with axial fans 12 TECHNICAL DATA Model MEX VS TECHNICAL CHARACTERISTICS Unit 15 RH 16 RH 18 RH 19 RH Power supply 230V/1/50Hz 230V/1/50Hz Electric data Maximum power input Maximum current input 14,4 21,2 22,4... - Page 21 MEX VS Chillers and inverter air / water heat pumps with axial fans Model MEX VS Unit TECHNICAL CHARACTERISTICS 112 RH 112T RH 115 RH 115T RH Power supply 230V/1/50Hz 400V/3P+N+T/50Hz 230V/1/50Hz 400V/3P+N+T/50Hz Electric data Maximum power input Corrente massima assorbita 32,8 10,9 11,5...
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Page 22: Electric Data Of The Unit And Auxiliaries
MEX VS Chillers and inverter air / water heat pumps with axial fans 13 ELECTRIC DATA OF THE UNIT AND AUXILIARIES Power supply of the unit V/~/Hz 230/1/50*-400/3/50** Remote control circuit V/~/Hz 12/1/50 Control board circuit V/~/Hz 12/1/50 Fans power supply V/~/Hz 230/1/50 For the models 15 RH, 16 RH, 18 RH, 19 RH, 112 RH and 115 RH* - For the models 112T RH, 115T RH**. - Page 23 MEX VS Chillers and inverter air / water heat pumps with axial fans MEX VS 18RH MEX VS 19 RH MEX VS 112 RH – 112T RH – 115 RH – 115T RH...
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Page 24: Operation Limits
MEX VS Chillers and inverter air / water heat pumps with axial fans 15 OPERATION LIMITS 15.1 EVAPORATOR WATER FLOW RATE The nominal water flow rate is referred to a ∆T equal to 5°C, between the evaporator’s inlet and outlet temperatures. The allowed maximum flow rate is corresponding to ∆T=3°C;... - Page 25 MEX VS Chillers and inverter air / water heat pumps with axial fans Below the operation limits are graphed, in the case of air conditioning and sanitary hot water production. WATER CHILLER/HEAT PUMP MODES DOMESTIC HOT WATER MODE...
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Page 26: Correction Factors For Use Of Glycol
MEX VS Chillers and inverter air / water heat pumps with axial fans 16 CORRECTION FACTORS FOR USE OF GLYCOL Glycol rate Freezing point (°C) IPCF WFCF PDCF -3,2 0,985 1,02 1,08 -7,8 0,98 0,99 1,05 1,12 -14,1 0,97 0,98 1,10 1,22 -22,3... -
Page 27: Models Mex Vs 112 Rh /112T Rh / 115 Rh / 115T Rh
MEX VS Chillers and inverter air / water heat pumps with axial fans 17.3 MODELS MEX VS 112 RH /112T RH / 115 RH / 115T RH IN/OUT: 1”M 17.4 INTERNAL PARTS OF THE UNIT 17.4.1 Mod. MEX VS 15 RH / 16 RH 1) Remove the top cover 2) Twist off the screws (number 2;... -
Page 28: Mod. Mex Vs 18 Rh / 19 Rh
MEX VS Chillers and inverter air / water heat pumps with axial fans 17.4.2 Mod. MEX VS 18 RH / 19 RH 1) Remove the cover twisting off the screws (number 1; 2; 3; 4; 5; 6; 7; 8). 2) Twist off the srews (number 9; 10) of the front panel and then push the panel downward to remove the interlocking tab (Detail A);... -
Page 29: Wiring Diagrams
MEX VS Chillers and inverter air / water heat pumps with axial fans 18 WIRING DIAGRAMS 18.1 MODELS MEX VS 15 RH / 16 RH / 18 RH / 19 RH... - Page 30 MEX VS Chillers and inverter air / water heat pumps with axial fans...
- Page 31 MEX VS Chillers and inverter air / water heat pumps with axial fans...
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Page 32: Models Mex Vs 112 Rh / 115 Rh
MEX VS Chillers and inverter air / water heat pumps with axial fans 18.2 MODELS MEX VS 112 RH / 115 RH... - Page 33 MEX VS Chillers and inverter air / water heat pumps with axial fans...
- Page 34 MEX VS Chillers and inverter air / water heat pumps with axial fans...
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Page 35: Model Mex Vs 112T Rh / 115T Rh
MEX VS Chillers and inverter air / water heat pumps with axial fans 18.3 MODEL MEX VS 112T RH / 115T RH... - Page 36 MEX VS Chillers and inverter air / water heat pumps with axial fans...
- Page 37 MEX VS Chillers and inverter air / water heat pumps with axial fans...
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Page 38: Hydraulic Diagram Type
MEX VS Chillers and inverter air / water heat pumps with axial fans 19 HYDRAULIC DIAGRAM TYPE Floor plant 3-way valve double set poit Minichiller Inverter thermo- Sanitary accumulator 3-way valve Water supply pipe 20 CONTROL LOGICS For the control logics see the control manual. 21 HANDBOOK FOR SOME CONFIGURATIONS OF INSTALLATIONS For more information about the some configurations, you may contact our office and ask for the handbook which collects a series of some recommended drawings of plants that have been highlighted regarding the installation configuration of our high... - Page 40 Technical data shown in this booklet are not binding. Thermocold shall have the right to introduce at any time whatever modifications deemed necessary to the improvement of the product.. 70026 Modugno – Bari Via dei Ciclamini, 25 – Z.I. Tel. 080/5312623 Internet: http://www.thermocold.it...
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