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Carrier AQUA FORCE PUREtec 30XBEZE Installation, Operation And Maintenance Instructions
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Carrier AQUA FORCE PUREtec 30XBEZE Installation, Operation And Maintenance Instructions

Air-cooled screw chillers
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I N S TA L L AT I O N ,
O P E R AT I O N
A N D
M A I N T E N A N C E
I N S T R U C T I O N S
Air-Cooled Screw Chillers
30XBEZE 200A - 1200A
30XBPZE 200A - 1200A
Nominal cooling capacity: 210 - 1173 kW - 50Hz
Original document

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Summary of Contents for Carrier AQUA FORCE PUREtec 30XBEZE

  • Page 1 I N S TA L L AT I O N , O P E R AT I O N A N D M A I N T E N A N C E I N S T R U C T I O N S Air-Cooled Screw Chillers 30XBEZE 200A - 1200A 30XBPZE 200A - 1200A...
  • Page 3 CONTENTS 1 - INTRODUCTION .................................... 5 1.1 - Installation safety considerations .............................. 5 1.2 - Equipment and components under pressure ..........................7 1.3 - Maintenance safety considerations ............................7 1.4 - Repair safety considerations ..............................8 2 - PRELIMINARY CHECKS ................................10 2.1 - Check equipment received ..............................
  • Page 4 CONTENTS 9 - FANS WITH AVAILABLE PRESSURE (OPTION 10) ........................50 10 - UNIT OPERATION WITH A FREE COOLING DRY COOLER (OPTION_313) ................. 51 11 - MAJOR SYSTEM COMPONENTS AND OPERATION DATA ....................52 11.1 - Direct-drive twin-screw compressor with variable capacity slide valve ................. 52 11.2 - Pressure vessels ...................................
  • Page 5 The 30XB(E/P)ZE liquid chillers are designed to provide a very high Carrier also provides additional guidelines for the safe use of level of safety during installation, start-up, operation and R-1234ze(E) refrigerant that should be added to the requirements maintenance.
  • Page 6 Handling of the unit (2)  Classified for protection in abnormal service situations. These accessories are  sized for fires with a thermal flow of 10 kW/m². No combustible matter should  Carrier strongly recommends employing a specialised be placed within 6,5 m of the unit. company to unload the machine. (3) High pressure safety loop = SRMCR as described in component section of this manual and in electrical diagram.
  • Page 7 Refer to the Maintenance Logbook installation regulations, for example those of European Carrier recommends the following drafting for a logbook (the table standard EN 378 and EN 13136. below should not be considered as reference and does not involve...
  • Page 8 Global Warming Potential (GWP): 1.37 (following AR6) - Recommissioning of the equipment. CAUTION: Consult Carrier Service for this type of test. Carrier mentions here 1. Ensure that the refrigerant is never released to the only the principle of a test without removing the pressure switch:...
  • Page 9 1 - INTRODUCTION Do not re-use disposable (non-returnable) cylinders or RISK OF EXPLOSION: attempt to refill them. It is dangerous and illegal. When cylinders are empty, evacuate the remaining gas pressure, and move the cylinders to a place designated for their Oxygen Reaction recovery.
  • Page 10 2 - PRELIMINARY CHECKS 2.1 - Check equipment received • Check that the unit has not been damaged during transport and that no parts are missing. If the unit has been damaged or the shipment is incomplete, send a claim to the shipping company.
  • Page 11 2 - PRELIMINARY CHECKS Before siting the unit check that: WARNING: Never push or lever on any of the enclosure panels of the unit. Only the base of the unit frame is designed to - The permitted loading at the site is adequate or that appropriate strenghtening measures have been taken.
  • Page 12 3 - DIMENSIONS, CLEARANCES 3.1 - 30XB(E/P)ZE 200A to 250A POWER AND CONTROL ELECTRICAL BOX 3.2 - 30XB(E/P)ZE 300A to 400A POWER AND CONTROL ELECTRICAL BOX NOTES: Legend All dimensions are given in mm. - Drawings are not contractually binding. Required clearances for maintenance (see note) - Refer to unit nameplate for unit weight information - Before designing an installation, consult the certified...
  • Page 13 3 - DIMENSIONS, CLEARANCES 3.3 - 30XBEZE 450A to 630A, 30XBPZE 450A to 600A POWER ELECTRICAL BOX 3.4 - 30XBEZE 700A & 750A, 30XBPZE 630A & 700A POWER AND CONTROL ELECTRICAL BOX Legend NOTES: All dimensions are given in mm. - Drawings are not contractually binding.
  • Page 14 3 - DIMENSIONS, CLEARANCES 3.5 - 30XBPZE 750A 2253 HT POWER ELECTRICAL BOX 9574 HT 1500 1500 3.6 - 30XBEZE 900A & 950A POWER ELECTRICAL BOX NOTES: Legend All dimensions are given in mm. - Drawings are not contractually binding. Required clearances for maintenance (see note) - Refer to unit nameplate for unit weight information - Before designing an installation, consult the certified...
  • Page 15 3 - DIMENSIONS, CLEARANCES 3.7 - 30XBEZE 1050A & 1150A, 30XBPZE 900A to 1150A POWER ELECTRICAL BOX 3.8 - 30XB(E/P)ZE 1200A 2253 HT POWER ELECTRICAL BOX 13156 HT 1500 1500 NOTES: Legend All dimensions are given in mm. - Drawings are not contractually binding. Required clearances for maintenance (see note) - Refer to unit nameplate for unit weight information - Before designing an installation, consult the certified...
  • Page 16 If the situation at the site does not permit this arrangement, contact your Carrier distributor to evaluate the various possible arrangements. In certain situations an accessory (supplied loose at the time of purchase) can be added. 3.10 - Distance to the wall To ensure correct operation for most cases: If h <...
  • Page 17 (2)  In dB ref 20μPa, ‘A’ weighted. Declared dual-number noise emission values in accordance with ISO 4871 with an associated uncertainty of +/-3dB(A). For information,  calculated from the sound power Lw(A). (3) Options : 15 = Low noise, 15LS = Very Low noise. (4) Values are guidelines only. Refer to the unit name plate. Eurovent certified values CARRIER participates in the ECP programme for LCP-HP. Check ongoing validity of certificate: www.eurovent-certification.com...
  • Page 18 4 -PHYSICAL AND ELECTRICAL DATA FOR 30XB(E/P)ZE UNITS 30XBEZE 200A 230A 250A 300A 350A 400A 450A 500A 550A 600A Capacity control SmartVu™, Electronic Expansion Valve (EXV) Minimum capacity Air heat exchanger Aluminum micro-channel coils (MCHE) Fans FLYING-BIRD 6, axial fan with rotating impeller Standard unit Quantity Maximum total air flow...
  • Page 19 (2)  In dB ref 20μPa, ‘A’ weighted. Declared dual-number noise emission values in accordance with ISO 4871 with an associated uncertainty of +/-3dB(A). For information,  calculated from the sound power Lw(A). (3) Options : 15 = Low noise, 15LS = Very Low noise. (4) Values are guidelines only. Refer to the unit name plate. Eurovent certified values CARRIER participates in the ECP programme for LCP-HP. Check ongoing validity of certificate: www.eurovent-certification.com...
  • Page 20 4 -PHYSICAL AND ELECTRICAL DATA FOR 30XB(E/P)ZE UNITS 30XBEZE 630A 700A 750A 900A 950A 1050A 1150A 1200A Capacity control SmartVu™, Electronic Expansion Valve (EXV) Minimum capacity Air heat exchanger Aluminum micro-channel coils (MCHE) Fans FLYING-BIRD 6, axial fan with rotating impeller Standard unit Quantity Maximum total air flow...
  • Page 21 (2)  In dB ref 20μPa, ‘A’ weighted. Declared dual-number noise emission values in accordance with ISO 4871 with an associated uncertainty of +/-3dB(A). For information,  calculated from the sound power Lw(A). (3) Options : 15 = Low noise, 15LS = Very Low noise. (4) Values are guidelines only. Refer to the unit name plate. Eurovent certified values CARRIER participates in the ECP programme for LCP-HP. Check ongoing validity of certificate: www.eurovent-certification.com...
  • Page 22 4 -PHYSICAL AND ELECTRICAL DATA FOR 30XB(E/P)ZE UNITS 30XBPZE 200A 230A 250A 300A 350A 400A 450A 500A 550A 600A Capacity control SmartVu™, , Electronic Expansion Valve (EXV) Minimum capacity Air heat exchanger Aluminum micro-channel coils (MCHE) Fans FLYING-BIRD 6, axial fan with rotating impeller Standard unit Quantity Maximum total air flow...
  • Page 23 (2)  In dB ref 20μPa, ‘A’ weighted. Declared dual-number noise emission values in accordance with ISO 4871 with an associated uncertainty of +/-3dB(A). For information,  calculated from the sound power Lw(A). (3) Options : 15 = Low noise, 15LS = Very Low noise. (4) Values are guidelines only. Refer to the unit name plate. Eurovent certified values CARRIER participates in the ECP programme for LCP-HP. Check ongoing validity of certificate: www.eurovent-certification.com...
  • Page 24 4 -PHYSICAL AND ELECTRICAL DATA FOR 30XB(E/P)ZE UNITS 30XBPZE 630A 700A 750A 900A 950A 1050A 1150A 1200A Capacity control Minimum capacity Air heat exchanger Aluminum micro-channel coils (MCHE) Fans FLYING-BIRD 6, axial fan with rotating impeller Standard unit Quantity Maximum total air flow 67480 67480 77120...
  • Page 25 4 -PHYSICAL AND ELECTRICAL DATA FOR 30XB(E/P)ZE UNITS 4.4 - Electrical data 30XBEZE from 200A to 750A 30XBEZE 200A 230A 250A 300A 350A 400A 450A 500A 550A 600A 630A 700A 750A Power circuit supply Nominal voltage V-ph-Hz 400-3-50 Voltage range 360-440 Control circuit supply 24 V via internal transformer...
  • Page 26 4 -PHYSICAL AND ELECTRICAL DATA FOR 30XB(E/P)ZE UNITS 30XBEZE from 900A to 1200A 30XBEZE 900A 950A 1050A 1150A 1200A Power circuit supply Nominal voltage V-ph-Hz 400-3-50 Voltage range 360-440 Control circuit supply 24 V via internal transformer Maximum operating input power Standard unit Circuit 1 Circuit 2...
  • Page 27 4 -PHYSICAL AND ELECTRICAL DATA FOR 30XB(E/P)ZE UNITS 30XBPZE from 200A to 750A 30XBPZE 200A 230A 250A 300A 350A 400A 450A 500A 550A 600A 630A 700A 750A Power circuit supply Nominal voltage V-ph-Hz 400-3-50 Voltage range 360-440 Control circuit supply 24 V via internal transformer Maximum operating input power Standard unit...
  • Page 28 4 -PHYSICAL AND ELECTRICAL DATA FOR 30XB(E/P)ZE UNITS 30XBPZE from 900A to 1200A 30XBPZE 900A 950A 1050A 1150A 1200A Power circuit supply Nominal voltage V-ph-Hz 400-3-50 Voltage range 360-440 Control circuit supply 24 V via internal transformer Maximum operating input power Standard unit Circuit 1 Circuit 2...
  • Page 29 4 -PHYSICAL AND ELECTRICAL DATA FOR 30XB(E/P)ZE UNITS 4.5 - Compressor electrical data I Max I Max LRYA LRDA Compressor I Nom (Un) (Un - 10%) Phi nom. Phi Max. 06TSA155 0,87 0,90 06TSA186 0,86 0,89 06TTA266 0,86 0,90 06TTA301 1210 0,87 0,90...
  • Page 30 30XBEZE units are designed to use for domestic / residential and industrial environments: • The Carrier 30XB(E/P)ZE units are designed and built to ensure conformance Machines that are not equipped with variable frequency drive(s) (30XBPZE) with these codes. The recommendations of European standard EN 60204-1...
  • Page 31 Please refer to the operating conditions given in this manual or in III - Maximum operating temperature °C the specific conditions given in the Carrier selection programs. IV - Potentially explosive atmospheres Non potentially flammable zone environment (1) Required by regulation regulation (EU) 2019/1781 concerning the application of directive 2009/125/EC on the eco-design requirements for electric motors.
  • Page 32 Carrier warranty. If the phase imbalance exceeds 2% for voltage, or 10% for current, contact The calculations are based on the maximum machine current (see your local electricity supply at once and ensure that the chiller electrical data tables).
  • Page 33 5 - ELECTRICAL CONNECTION 5.6 - Field control wiring Refer  to  the  SmartVu™  control  manual  and  the  certified  wiring  diagram supplied with the unit for the field control wiring of the  IMPORTANT: Field connection of interface circuits may lead following features: to safety risks: Any control box modification must maintain - Remote on/off switch equipment conformity with local regulations.
  • Page 34 6 - APPLICATION DATA 6.1 - Operating range 6.2 - Minimum chilled water flow (units without hydraulic module) 30XBEZE & 30XBPZE The minimum chilled water flow is shown in the table on the next  page. It is determined in order to allow sufficient exchange and  prevent the risk of excessive fouling. If the system flow is less than  this,  the  evaporator  flow  can  be  recirculated,  as  shown  in  the  diagram. For minimum chilled water flow rate Freeze protection needed Evaporator Evaporator Leaving Water Temperature (°C)
  • Page 35 6 - APPLICATION DATA 6.5 - System minimum water volume 6.7 - Evaporator water flow rate Whichever the system, the water loop minimum capacity is given 30XBEZE & by the formula: Minimum flow rate (l/s) Maximum flow rate (l/s) 30XBPZE Capacity = Cap (kW) x N litres 200A 37,5...
  • Page 36 6 - APPLICATION DATA 6.8 - Evaporator pressure drop curve Sizes 200A to 450A Legend 200A 230A 250A 300A 350A 400A 450A Water flow rate, l/s Sizes 500A to 1200A Legend 500A 550A 600A 630A 700A 750A 900A 950A 1050A 1150A 1200A Water flow rate, l/s...
  • Page 37 7 - WATER CONNECTIONS ATTENTION: Before carrying out any water connections Carrier recommendations on heat exchange fluids: install the water box purge plugs (one plug per water box in - No NH ammonium ions in the water, they are very the lower section - supplied in the control box).
  • Page 38 7 -WATER CONNECTIONS 7.2 - Victaulic water connections Inlet/outlet diameters without hydraulic module 30XB(E/P)ZE 200A 230A 250A 300A 350A 400A 450A 500A 550A Standard & option 6 Nominal diameter Actual outside diameter 141,3 141,3 141,3 141,3 141,3 141,3 141,3 168,3 168,3 Options 5, 100A Nominal diameter...
  • Page 39 (30XBEZE & 30XBPZE) adjustment  is  necessary,  it  must  be  carried  out  by  qualified  personnel trained by Carrier Service. In cases where it is not possible to apply the recommendations in paragraph 7.5.1, the units can be equipped with heaters to protect 7.4 - Evaporator water box bolt tightening...
  • Page 40 7 -WATER CONNECTIONS 30XB(E/P)ZE with configuration: Leaving water control Legend Lead unit Lag unit Control boxes of the lead and lag units Water inlet Water outlet Water pumps for each unit (included as standard for units with hydraulic module) Additional sensors for leaving water control, to be connected to channel 1 of the lag boards of each lead and lag unit CCN communication bus Connection of two additional sensors...
  • Page 41 7 -WATER CONNECTIONS 7.7.2 - Net positive suction head (NPSH) required, hydraulic module option Size the hydraulic circuit to ensure a net positive suction head that is higher than or equal to the required NPSH + 50 kPa. Data applicable for: - Fresh water 20 °C - In case of use of glycol, the maximum water flow is reduced.
  • Page 42 8 - HEAT RECLAIM CONDENSER OPTIONS (OPTIONS 50 & 50C) 8.1 - Physical data with heat reclaim condenser options Physical data, 30XBEZE & 30XBPZE units with heat reclaim condenser - option 50 30XB(E/P)ZE 200A 230A 250A 300A 350A 400A 450A 500A 550A 600A...
  • Page 43 8 - HEAT RECLAIM CONDENSER OPTIONS (OPTIONS 50 & 50C) 8.2 - Dimensions, clearances 8.2.1 - 30XB(E/P)ZE 200A to 250A - option 50 8.2.2 - 30XB(E/P)ZE 300A & 350A - option 50 NOTES: Legend - Drawings are not contractually binding. All dimensions are given in mm - Refer to unit nameplate for unit weight information Required clearances for maintenance (see note)
  • Page 44 8 - HEAT RECLAIM CONDENSER OPTIONS (OPTIONS 50 & 50C) 8.2.3 - 30XB(E/P)ZE 400A - option 50 8.2.4 - 30XB(E/P)ZE 450A to 600A - option 50 NOTES: Legend - Drawings are not contractually binding. All dimensions are given in mm - Refer to unit nameplate for unit weight information Required clearances for maintenance (see note) - Before designing an installation, consult the certified...
  • Page 45 8 - HEAT RECLAIM CONDENSER OPTIONS (OPTIONS 50 & 50C) 8.2.5 - 30XB(E/P)ZE 630A & 700A - option 50 8.2.6 - 30XB(E/P)ZE 750A - option 50 NOTES: Legend - Drawings are not contractually binding. All dimensions are given in mm - Refer to unit nameplate for unit weight information Required clearances for maintenance (see note) - Before designing an installation, consult the certified...
  • Page 46 8 - HEAT RECLAIM CONDENSER OPTIONS (OPTIONS 50 & 50C) 8.2.7 - 30XB(E/P)ZE 900A & 950A - option 50C 8.2.8 - 30XB(E/P)ZE 1050A & 1150A - option 50C NOTES: Legend - Drawings are not contractually binding. All dimensions are given in mm - Refer to unit nameplate for unit weight information Required clearances for maintenance (see note) - Before designing an installation, consult the certified...
  • Page 47 8 - HEAT RECLAIM CONDENSER OPTIONS (OPTIONS 50 & 50C) 8.2.9 - 30XB(E/P)ZE 1200A - option 50C 2253 HT POWER ELECTRICAL BOX 13156 HT 1500 1500 NOTES: Legend - Drawings are not contractually binding. All dimensions are given in mm - Refer to unit nameplate for unit weight information Required clearances for maintenance (see note) - Before designing an installation, consult the certified...
  • Page 48 Full load Part load approx 60% Part load approx 30% NOTE - Range is given as a guide. Check the operating range from Carrier electronic catalogue. Legend Part load operating limits (evaporator leaving water Please refer to the legend in chapter 8.4.1 opposite, noting that items 2, 3 and 4 - flow  temperature = 7 °C) switch and sensors - are placed on the common sections.
  • Page 49 8 - HEAT RECLAIM CONDENSER OPTIONS (OPTIONS 50 & 50C) 8.6 - Operating limits for changeover between modes From cooling only to heat reclaim and vice versa. +2,5 K +2.5 K Condenser water & ambient temperatures Minimum Maximum +1.25 K +1,25 K Entering water temperature °C...
  • Page 50 9 - FANS WITH AVAILABLE PRESSURE (OPTION 10) If this option has been selected, the fans with available pressure are equipped with discharge connection flanges to facilitate the duct connection. NOTE: Each fan must be individually ducted.
  • Page 51 10 - UNIT OPERATION WITH A FREE COOLING DRY COOLER (OPTION_313) 10.10.1 - Operating principle The chiller (with free cooling option): Dedicated control algorithms supplied with the LEN connector to The units have been designed to optimise the operation of systems, control the dry cooler.
  • Page 52 11.1.3 - Lubricant The 06T screw compressor is approved for use with the following Operating life lubricant (Carrier specification PP47-38). This unit is designed for: CAUTION : Too much oil in the circuit can cause the unit to - Prolonged storage of 15 years under nitrogen charge with a malfunction.
  • Page 53 This is also the case for the products originally machine documentation to obtain the detailed wiring diagram supplied by Carrier. 11.2.2 - Oil separator In these units, the oil separator is a pressure vessel that is mounted under the outside vertical condenser coils.
  • Page 54 11 -MAJOR SYSTEM COMPONENTS AND OPERATION DATA 11.3.3 - Restart after high pressure detection 11.3.5.2 - Complete safety loop test The purpose of this periodic test is to verify the proper functioning After detecting the overpressure, it is necessary to manually reset and setting of the high-pressure safety loop of a refrigerant circuit.
  • Page 55 11 -MAJOR SYSTEM COMPONENTS AND OPERATION DATA According to regulation (EU) No 327/2011 implementing directive 2009/125/EC with regard to eco-design requirements for fans driven by motors with an electric input power between 125 W and 500 kW. 30XB(E/P)ZE 30XBEZE 30XBPZE Overall efficiency 40,1 48,2...
  • Page 56 11 -MAJOR SYSTEM COMPONENTS AND OPERATION DATA 11.11 - Power factor correction capacitors The capacitors are selected for each compressor as per below (option 231) table: They garantee a minimum power factor performance of 0.95 when Capacitor (kVAR) Ir (A) Compressor unit operates at a condition that involves a power input that 06TSA155...
  • Page 57 12 - MAIN OPTIONS Use for Options Description Advantages 30XBEZE / 30XBPZE Implementation of new control algorithms and Medium-temperature redesigned evaporator to allow chilled brine Covers specific applications such as ice  30XB(E/P)ZE brine solution solution production down to -6 °C when ethylene  storage and industrial processes 200A-1200A glycol is used (0 °C with propylene glycol) Implementation of new control algorithms and redesigned evaporator to allow chilled brine Low-temperature brine Covers specific applications such as ice ...
  • Page 58 12 - MAIN OPTIONS Use for Options Description Advantages 30XBEZE / 30XBPZE Hydraulic module equipped with water filter, two high  HP dual-pump hydraulic 30XB(E/P)ZE 116S pressure pumps, drain valve and pressure transducers Easy and fast installation (plug & play). module 200A-400A (expansion tank & aluminum jacket not included). Bi-directional communication board complying Connects the unit by communication bus to 30XB(E/P)ZE...
  • Page 59 12 - MAIN OPTIONS Use for Options Description Advantages 30XBEZE / 30XBPZE Mexico screw 30XB(E/P)ZE 297 Screw compressor made in Mexico compressor 200A-1200A Hydraulic control function package that permits When variable-speed pumps on the primary control of the water flow rate based on different  circuit, the VWF control modulates flow rate  Variable Water Flow 30XB(E/P)ZE possible logics (at customer choice): constant through the evaporator, minimising pump...
  • Page 60 HVAC unit Carry out all level 1 operations, then: null and void, and the manufacturer, Carrier will no longer be ■ Electrical : held responsible. - At least once a year tighten the power circuit electrical The ...
  • Page 61 13 -STANDARD MAINTENANCE The compressor oil that is covered during maintenance contains refrigerant and must be treated accordling. Refrigerant under pressure must not be purged to the open air. 13.4 - Tightening torques for the main electrical connections Designation Value Component in the unit (N.m)
  • Page 62 The switch that has been selected for detecting reverse rotation is Never use a fluid with a temperature above 45 °C to clean the Carrier part number HK01CB001. This switch opens the contacts air heat exchangers. when the pressure falls below 7 kPa. The switch is a manual reset...
  • Page 63 13 -STANDARD MAINTENANCE 13.9 - Precaution for compressor power supply bus bar connection This note applies to units using power supply bus bars with riveted contact block at the level of the connection cages in the control box. During re-connection it is imperative to: - Engage each bus bar in the cage up to the stop - Ensure visually that the bus bars have good contact at the connection areas: There must not be any free move-ment between the bus bar and the connection area created by the fixing rivet of the contact block.
  • Page 64 14 - FINAL SHUTDOWN 14.1 - Shutting down Separate the units from their energy sources, allow them to cool then drain them completely. 14.2 - Recommendations for disassembly Read the information relating to the presence of potentially dangerous substances in the product and their precautions for use (REACH, Regulation (EC) No 1907/2006).
  • Page 65 15 - START-UP CHECKLIST FOR 30XB(E/P)ZE LIQUID CHILLERS (USE FOR JOB FILE) Preliminary information Job name: ........................................ Location: ........................................Installing contractor: ....................................Distributor: ....................................... Unit Model: ................... Compressors Circuit A Circuit B Model number................Model number ................Serial number ................Serial number ................
  • Page 66 WARNING: Operation of the chiller with an improper supply voltage or excessive phase imbalance constitutes abuse and will invalidate the Carrier warranty. If the phase imbalance exceeds 2% for voltage, or 10% for current, contact your local electricity supply at once and ensure that the chiller is not switched on until corrective measures have been taken.
  • Page 67 16 - ANNEXES (ATTACHED TO THE INSTRUCTION MANUAL KIT) 16.1 - Annex 1: Conformity declaration 16.2 - Annex 2: Electrical diagram 16.3 - Annex 3: PID 16.4 - Annex 4: Dimensional drawings...
  • Page 68 CARRIER participates in the ECP programme for LCP-HP Check ongoing validity of certificate: www.eurovent-certification.com The quality management system of this product’s assembly site has been certified in accordance with the requirements of the ISO 9001 standard (latest current version) after an assessment conducted by an authorized independent third party.

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