Carrier 30RB-170R Installation, Operation And Maintenance Instructions
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Carrier 30RB-170R Installation, Operation And Maintenance Instructions

Air-cooled liquid chillers reversible heat pumps
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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 Liquid Chillers
Reversible heat pumps
30RB/30RBP 170R-950R
Nominal cooling capacity 170-940 kW
30RQ/30RQP 165R-520R
Heating capacity 170-520 kW
Cooling capacity 155-485 kW
R-32
* The availability of sizes and options depends on the country. Please contact your local commercial dealer for more information.
Translation of the original document

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Summary of Contents for Carrier 30RB-170R

  • 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 Liquid Chillers Reversible heat pumps 30RB/30RBP 170R-950R...

  • Page 3: Table Of Contents

    CONTENTS 1 - INTRODUCTION AND SAFETY INSTRUCTIONS ........................5 2 - RECEIPT OF GOODS .................................. 5 2.1 - Checking the equipment received ............................. 5 3 - HANDLING AND POSITIONING ..............................6 3.1 - Handling ....................................6 3.2 - Positioning ....................................6 4 - DIMENSIONS, CLEARANCES, MINIMUM INSTALLATION DISTANCES ................
  • Page 4 CONTENTS 11 - MAIN COMPONENTS OF THE UNIT AND OPERATING CHARACTERISTICS ............... 48 11.1 - Compressors ..................................48 11.2 - Lubricant ....................................48 11.3 - Air-cooled exchanger ................................48 11.4 - Fans ....................................... 49 11.5  -  Electronic expansion valve (EXV) ............................50 11.6 - Moisture indicator .................................. 50 11.7 ...

  • Page 5: Introduction And Safety Instructions

    1 - INTRODUCTION AND SAFETY INSTRUCTIONS The units are designed to cool water (for coolers) and cool or reheat water (for reversible heat pumps) for the air conditioning and  heating of buildings and industrial processes. They are designed to provide a very high level of safety and reliability, making installation, start-up, operation and maintenance easier and safer. They will provide safe and reliable service if used within their application ranges. For all safety instructions, please refer to the safety manual.

  • Page 6: Handling And Positioning

    3 - HANDLING AND POSITIONING 3.1 - Handling - The  wind  may  affect  the  operation  and  performances  of  machines. Baffles may be necessary to deflect strong winds.  Carrier strongly recommends employing a specialised company These must not restrict the unit's air flow. to unload the machine. IMPORTANT: Before lifting the unit, check that all enclosure Do not remove the subbase or the packaging until the unit is in its panels and grilles are securely fixed in place.

  • Page 7: Dimensions, Clearances, Minimum Installation Distances

    4 - DIMENSIONS, CLEARANCES, MINIMUM INSTALLATION DISTANCES 4.1 - 30RB/30RBP and 30RQ/30RQP dimensions without buffer tank module (option 307) Electrical power connection Length (see following unit model table) Unit model 30RB/30RBP 170R to 270R 310R to 410R 450R to 550R 610R to 720R 770R to 950R 30RQ/30RQP 165R to 270R 310R to 400R...

  • Page 8: 30Rb/30Rbp And 30Rq/30Rqp Dimensions With Buffer Tank Module (Option 307)

    4 - DIMENSIONS, CLEARANCES, MINIMUM INSTALLATION DISTANCES 4.2 - 30RB/30RBP and 30RQ/30RQP dimensions with buffer tank module (option 307) Electrical power connection Length (see following unit model table) Main hydraulic connection Unit model 30RB/30RBP 170R to 270R 310R to 410R 450R to 550R 610R to 720R 770R to 950R 30RQ/30RQP 165R to 270R...

  • Page 9: Free Spaces

    4 - DIMENSIONS, CLEARANCES, MINIMUM INSTALLATION DISTANCES 4.3 - Free spaces Note (the following information is provided by the manufacturer  for information purposes only. The application of the following The free spaces presented are determined in order to ensure directives is the sole responsibility of the user): sufficient working and manoeuvring space to carry out maintenance  In compliance with the directives 2009/104/EC and 1999/92/EC, operations on the unit in suitable ergonomic conditions these zones may be qualified as ATEX zones by the user on the ...

  • Page 10: Physical And Electrical Data For The Units

    5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 5.1 - Physical data 30RB 170R-380R 30RB 170R 190R 210R 230R 270R 310R 340R 380R Sound levels Standard unit Sound power dB(A) 91,0 91,5 91,5 92,0 92,0 93,0 93,0 93,5 Sound pressure at 10 m dB(A) 58,5 59,5...

  • Page 11: Physical Data 30Rbp 170R To 950R

    5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 5.2 - Physical data 30RBP 170R to 950R 30RBP 170R 190R 210R 230R 270R 310R 340R 380R 410R Sound levels Standard unit Sound power dB(A) 91,0 90,5 90,5 92,0 92,0 93,0 93,0 93,5 93,5...
  • Page 12 5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 30RBP 450R 480R 550R 610R 670R 720R 770R 800R 870R 950R Sound levels Standard unit Sound power dB(A) 94,0 94,0 94,5 97,5 97,5 98,0 98,0 98,5 98,5 99,0 Sound pressure at 10 m dB(A) 61,5 61,5...

  • Page 13: Physical Data 30Rq 165R-520R

    5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 5.3 - Physical data 30RQ 165R-520R 30RQ 165R 180R 210R 230R 270R 310R 330R 370R 400R 430R 470R 520R Sound levels Standard unit Sound power dB(A) 90,5 91,0 91,5 92,0 92,0 93,0 93,5 94,0 94,0 94,5 94,5 95,0 58,0 58,5 59,5 60,0 60,0 60,5 61,0 61,5 61,5 62,0 62,0 62,5 Sound pressure at 10 m dB(A)

  • Page 14: Physical Data 30Rqp 165R-520R

    5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 5.4 - Physical data 30RQP 165R-520R 30RQP 165R 180R 210R 230R 270R 310R 330R 370R 400R 430R 470R 520R Sound levels Standard unit Sound power dB(A) 90,5 91,0 91,5 92,0 92,0 93,0 93,5 94,0 94,0 94,5 94,5 95,0 Sound pressure at 10 m dB(A) 58,0 58,5 59,5 60,0 60,0 60,5 61,0 61,5 61,5 62,0 62,0 62,5...

  • Page 15: Electrical Data 30Rb 170R-380R

    5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 5.5 - Electrical data 30RB 170R-380R 30RB 170R 190R 210R 230R 270R 310R 340R 380R 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...

  • Page 16: Electrical Data 30Rq 165R-520R

    5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 5.7 - Electrical data 30RQ 165R-520R 30RQ 165R 180R 210R 230R 270R 310R 330R 370R 400R 430R 470R 520R Power circuit supply Nominal voltage V-ph-Hz 400 - 3 - 50 Voltage range 360 - 440 Control circuit supply 24 V via internal transformer...

  • Page 17: Short Circuit Withstand Current

    5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 5.9 - Short circuit withstand current Short-circuit withstand current (TN system 30RB-RBP 170R 190R 210R 230R 270R 310R 340R 380R 410R Rated short-circuit withstand currents Rated short time (1s) current - Icw kA eff Rated peak current - Ipk kA pk Value with upstream electrical protection Rated conditional short circuit current Icc...

  • Page 18: Electrical Data For The Hydraulic Module

    5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 5.10 - Electrical data for the hydraulic module The pumps that are factory-installed in these units have motors with efficiency class IE3 for > 0.75 kW motors. The additional electrical  data required is as follows: For the low pressure single pump motors of 30RB/RBP 170R-550R units (option 116T) Description 170R 190R 210R 230R 270R 310R 340R 380R 410R 450R 480R 550R Nominal efficiency at full load and nominal voltage 86,4 86,4 86,4 86,4 86,4 87,5 87,5 87,5 89,6 89,6 89,6 89,7 Nominal efficiency at 75% of full load and nominal voltage...
  • Page 19 5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS For the low pressure dual pump motors of 30RB/RBP 170R-550R units (option 116U) Description 170R 190R 210R 230R 270R 310R 340R 380R 410R 450R 480R 550R Nominal efficiency at full load and nominal voltage 85,9 85,9 86,4 86,4 87,5 87,5 87,5 87,5 89,6 89,6 89,6 89,7 Nominal efficiency at 75% of full load and nominal voltage 86,4 86,4 86,9 86,9 88,2 88,2 88,2 88,2 90,4 90,4 90,4 Nominal efficiency at 50% of full load and nominal voltage...
  • Page 20 5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS For the high pressure single and dual-pump motors of 30RB/RBP 170R-950R units (options 116R, 116S, 116V, 116W) Description 170R 190R 210R 230R 270R 310R 340R 380R 410R 450R Nominal efficiency at full load and nominal voltage 87,5 87,5 87,5 87,5 89,6 89,6 89,7 89,7 89,7 90,8 Nominal efficiency at 75% of full load and nominal voltage 88,2 88,2 88,2 88,2 90,4 90,4 90,8...
  • Page 21 5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS For the low pressure single pump motors of 30RQ/RQP 165-520R units (option 116T) Description 165R 180R 210R 230R 270R 310R 330R 370R 400R 430R 470R 520R Nominal efficiency at full load and nominal voltage 86,4 86,4 86,4 86,4 86,4 87,5 89,6 89,6 89,6 89,6 89,7 89,7 Nominal efficiency at 75% of full load and nominal voltage 86,9 86,9 86,9 86,9 86,9 88,2 90,4 90,4 90,4 90,4 Nominal efficiency at 50% of full load and nominal voltage...
  • Page 22 5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS For the high pressure single pump motors of 30RQ/RQP 165-520R units (options 116R, 116V) Description 165R 180R 210R 230R 270R 310R 330R 370R 400R 430R 470R 520R Nominal efficiency at full load and nominal voltage 87,5 87,5 89,6 89,6 89,6 89,7 89,7 89,7 89,7 90,8 90,8 90,8 Nominal efficiency at 75% of full load and nominal voltage 88,2 88,2 90,4 90,4 90,4 90,8 90,8 90,8...

  • Page 23: Electrical Data For The Compressors

    5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 5.11 - Electrical data notes for the compressors I start I Max I Max Compressor I Nom LRA A option LRYA A LRDA A (Un) (Un - 10%) Phi nom. Phi Max. 25/25E A 00PSG003209700A 29,7...

  • Page 24: Comments On Electrical Data

    5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 5.13 - Comments on electrical data notes • 30RB/30RBP 30RQ/30RQP units have a single power connection point located 6. The  units  are  designed  for  connection  to  TN  type  networks  (IEC  60364).  immediately upstream of the main disconnect switch.

  • Page 25: Electrical Connection

    6 - ELECTRICAL CONNECTION Please refer to the certified dimensional drawings, supplied with  Calculate the maximum deviation from the 400 V average: the unit. (AB) = 406 - 400 = 6 (BC) = 400 - 399 = 1 6.1 - Power supply (CA) = 400 - 394 = 6  Motor The  power  supply  must  meet  the  specification  on  the  unit's  nameplate. The maximum deviation from the average is 6 V. The greatest The ...
  • Page 26 6 - ELECTRICAL CONNECTION Table of minimum and maximum cable sections (per phase) for connection to the units Calculation of favourable case: Calculation of unfavourable case: Max. connectable section No. 13 Perforated horizontal raceway or no. 17 No. 41 Closed conduit - PR (90 °C) - 45 °C self-supporting cable - PR (90 °C) - 45 °C 30RB- Max.

  • Page 27: Power Cable Access Routing

    6 - ELECTRICAL CONNECTION 6.5 - Power cable access routing See the control manual and the certified electric wiring diagram supplied with the unit for the field control wiring of The power cables for devices are routed into the electrical box the following devices: from the side of the electrical cabinet.

  • Page 28: Application Data

    7 - APPLICATION DATA 7.1 - Operating range 7.1.1 - 30RB/RBP 170-950 units Operating range - Standard unit Water-cooled heat exchanger Minimum Maximum 30RB/RBP 170-950 Water inlet temperature at start-up °C Water outlet temperature during operation °C Charge partielle toutes tailles Part load all sizes Air-cooled exchanger Minimum Maximum...
  • Page 29 7 - APPLICATION DATA 7.1.2 - 30RQ/RQP 165-520 units Cooling mode Operating range - Standard unit cooling mode 30RQ-RQP 165-520 Water-cooled heat exchanger Minimum Maximum Water inlet temperature at start-up °C Part load Water outlet temperature during operation °C Air-cooled exchanger Minimum Maximum Limitation option 15LS Outdoor ambient operating temperature...

  • Page 30: Minimum Energy Transfer Fluid Flow Rate (Units Without Factory-Fitted Hydraulic Module)

    7 - APPLICATION DATA NOTE: 7.5 - Minimum system water volume Units equipped with variable speed drives (30RBP or 30RQP Whichever system, water volume for the water loop (to be provided  or option 116V/116W) between the unit and any customer valves outside the machine)  If the air temperature is below -10 °C and the unit has been is given by the formula de-energised for more than 4 hours, it is necessary to wait Volume = Cap (kW) x N litres two hours after the unit has been switched on again to allow...

  • Page 31: Water Type Heat Exchanger Water Flow Rate

    7 - APPLICATION DATA 7.7 - Water type heat exchanger water flow rate Data applicable for pure water. 30RB/RBP 170-950 units without hydraulic module 30RB/RBP 170-950 units with low/high pressure hydraulic module Minimum flow rate Maximum flow rate Minimum flow rate Maximum flow rate 30RB-RBP (l/s)

  • Page 32: Pressure Drop Curves For The Water Type Heat Exchanger And Standard Water Inlet/Outlet Piping

    7 - APPLICATION DATA 7.8 - Pressure drop curves for the water type heat exchanger and standard water inlet/outlet piping Data applicable for pure water at 20 °C. 30RB/30RBP 170R-380R units B C D FE Water flow rate, l/s 30RB-RBP 170R - 230R 30RB-RBP 270R 30RB-RBP 310R 30RB-RBP 340R...
  • Page 33 7 - APPLICATION DATA 30RQ/30RQP 165R-370R units B C D E Water flow rate, l/s 30R-RQP 165R - 210R 30RQ-RQP 230R - 270R 30RQ-RQP 310R - 330R 30RQ-RQP 370R 30RQ/30RQP 400R-520R units F G H Water flow rate, l/s 30RQ-RQP 400R - 430R 30RQ-RQP 470R 30RQ-RQP 520R...

  • Page 34: Water Connections

    8 - WATER CONNECTIONS 8.1 - Operating precautions and When connecting units to the water distribution pipe work, refer recommendations to the certified dimensional drawings supplied with the unit for the  dimensions and position of the water inlet and outlet connections. Before commissioning, check that the hydraulic circuits are If the Metallic Protection Grilles option is present with the Pump connected to the appropriate heat exchangers.

  • Page 35: Hydraulic Connections

    8 - WATER CONNECTIONS 8.2 - Hydraulic connections The hydraulic module options are only compatible with closed loops. The use of the hydraulic module on open systems is prohibited. Typical hydraulic circuit diagram without the hydraulic module Typical hydraulic circuit diagram with the hydraulic module Op�on Op�on 25 25...
  • Page 36 8 - WATER CONNECTIONS Figure 1: Water connections without hydraulic Figure 3: Hydraulic connections with hydraulic module module and with buffer tank module option Figure 2: Hydraulic connections with Components of the hydraulic module and the unit hydraulic module 1  Screen filter (particle size of 1.2 mm) 2 ...

  • Page 37: Flow Rate Detection

    8 - WATER CONNECTIONS 8.3 - Flow rate detection Example of additional heaters In the graph, the power of the four heaters equals the capacity of the heat pump at an outdoor air temperature of 7 °C. Standard unit All units are equipped as standard with a factory-set flow switch.  It cannot be adjusted on site.
  • Page 38 8 - WATER CONNECTIONS Combination of options for the periods when the unit is in IMPORTANT REMINDERS: standby mode. Depending on the atmospheric conditions in your region, you need to: 30RB/RBP 170-950 or 30RQ/RQP 165-520 Ambient unit - Add an appropriate antifreeze solution agreed by the temperature range without option 116 with option 116...

  • Page 39: Nominal System Water Flow Rate Control

    9 - NOMINAL SYSTEM WATER FLOW RATE CONTROL Refer to the schematic diagram in the “Hydraulic connections” - Let  the  pump  run  for  2  hours  continuously  to  flush  the  paragraph for all item references in this chapter. system's hydraulic circuit (presence of contaminating solids). - Perform another reading. The water circulation pumps of the units in the range have been - Compare this value to the initial value.

  • Page 40: Units With Hydraulic Module And Variable-Speed Pump - Pressure Differential Control

    9 - NOMINAL SYSTEM WATER FLOW RATE CONTROL Water flow rate adjustment procedure 9.3 - Units with hydraulic module and variable- speed pump – Pressure differential control Once the circuit is cleaned, read the flow rate value on the user  interface and compare it to the theoretical selection value. The installation flow rate has not been set to a rated value. If the value of the flow rate read is greater than the specified value,  It will be adjusted by the system, by varying the pump speed, this indicates that the overall pressure drop in the system is too to maintain a constant operating pressure differential value defined ...

  • Page 41: Units With Hydraulic Module And Variable-Speed Pump - Temperature Differential Control

    9 - NOMINAL SYSTEM WATER FLOW RATE CONTROL Procedure for controlling the pressure differential setpoint Contact the manufacturer's Service to implement the procedures described below. Once the circuit is cleaned, place the hydraulic circuit in the configuration for which the unit selection was performed (generally,  Hydraulic circuit cleaning procedure this will be all valves open and all cooling coils active) Refer to the hydraulic circuit cleaning procedure.

  • Page 42: Available Static Pressure For The System

    9 - NOMINAL SYSTEM WATER FLOW RATE CONTROL 9.6 - Available static system pressure Units with hydraulic module (fixed-speed pump or variable-speed pump at 50 Hz)  Data applicable for: - Pure water at 20 °C. - Refer to the “Water exchanger water flow” section for the maximum water flow rate values. - If ethylene glycol is used, the maximum flow rate is reduced. 9.6.1 - 30RB/30RBP 170R-950R units High pressure pumps Single pumps Sizes 170R - 410R 30RB-RBP 170R - 230R 30RB-RBP 270R 30RB-RBP 310R...
  • Page 43 9 - NOMINAL SYSTEM WATER FLOW RATE CONTROL Dual pumps Sizes 170R - 410R 30RB-RBP 170R - 230R 30RB-RBP 270R 30RB-RBP 310R 30RB-RBP 340R 30RB-RBP 380R 30RB-RBP 410R Water flow rate, l/s Sizes 450R - 550R 30RB-RBP 450R 30RB-RBP 480R 30RB-RBP 550R Water flow rate, l/s Sizes 610R - 950R 10 30RB-RBP 610R - 720R 30RB-RBP 770R - 950R...
  • Page 44 9 - NOMINAL SYSTEM WATER FLOW RATE CONTROL Low pressure pumps Single pumps Sizes 170R - 380R Sizes 410R - 550R D EF Water flow rate, l/s Water flow rate, l/s 30RB-RBP 410R 30RB-RBP 170R - 230R 30RB-RBP 450R 30RB-RBP 270R 30RB-RBP 480R 30RB-RBP 310R 30RB-RBP 550R 30RB-RBP 340R 30RB-RBP 380R Dual pumps...
  • Page 45 9 - NOMINAL SYSTEM WATER FLOW RATE CONTROL 9.6.2 - 30RQ/30RQP 165R-520R units High pressure pumps Single pumps Sizes 165R - 270R Sizes 310R - 520R 10,0 15,0 20,0 10,0 15,0 20,0 25,0 30,0 35,0 40,0 B C D Water flow rate, l/s Water flow rate, l/s 30RQ-RQP 310R 30RQ-RQP 165R - 180R...
  • Page 46 9 - NOMINAL SYSTEM WATER FLOW RATE CONTROL Low pressure pumps Single pumps Sizes 165R - 270R Sizes 310R - 520R 10,0 15,0 20,0 25,0 30,0 10,0 15,0 20,0 B C D Water flow rate, l/s Water flow rate, l/s 30RQ-RQP 310R 30RQ-RQP 165R - 180R 30RQ-RQP 330R - 430R 30RQ-RQP 210R 30RQ-RQP 470R - 520R...

  • Page 47: System Start-Up

    10 - SYSTEM START-UP 10.1 - Checks before system start-up - Check that the compressor crankcase heaters, and the compressor head heaters if applicable, have been energised Before starting up the thermodynamic system, the complete for 6 hours before starting up the system. system, ...

  • Page 48: Main Components Of The Unit And Operating Characteristics

    11 - MAIN COMPONENTS OF THE UNIT AND OPERATING CHARACTERISTICS 11.1 - Compressors IMPORTANT: Too much oil in the circuit can cause the unit to malfunction. The units use hermetic scroll compressors. NOTE: Each compressor is equipped as standard with a crankcase oil Only use oils which have been approved for the compressors.

  • Page 49: Fans

    11 - MAIN COMPONENTS OF THE UNIT AND OPERATING CHARACTERISTICS 11.4 - Fans Each fan motor assembly is equipped with a high-performance impeller made from recyclable composite material. The motors are three-phase, with lifetime lubricated bearings and class F insulation (IP55 level). When option 12 is not selected, the pressure available at the fan outlet is zero. According to regulation No.

  • Page 50: Electronic Expansion Valve (Exv)

    11 - MAIN COMPONENTS OF THE UNIT AND OPERATING CHARACTERISTICS 11.5 - Electronic expansion valve (EXV) NOTE - Monitoring during operation - Follow local regulations on the monitoring of pressure The EXV has a stepper motor and a sight glass which can be used  equipment to check the mechanism movement and the presence of the liquid - The user or the operator is usually requested to create gasket.

  • Page 51: Fan Arrangement

    11 - MAIN COMPONENTS OF THE UNIT AND OPERATING CHARACTERISTICS 11.13 - Fan arrangement...

  • Page 52: Fan Stages

    11 - MAIN COMPONENTS OF THE UNIT AND OPERATING CHARACTERISTICS 11.14 - Fan stages Variable drive on 30RBP/30RQP Product Circuit Stage 1 Stage 2 Stage 3 Stage 4 or Option 17 30RB/RBP 170R EV11 30RQ/RQP 165R-180R EV21 EV21+EV22 30RB/RBP 190R-210R-230R-270R EV11 EV11+EV12 30RQ/RQP 210R-230R-270R EV21 EV21+EV22...

  • Page 53: Options

    12 - OPTIONS 12.1 - Tables of options 30RB/RBP 30RQ/RQP Options No. Description Advantages 170-950 165-520 Improved corrosion resistance, Corrosion protection, Fins made of pre-treated aluminium recommended for moderate marine and 165-520 traditional coils (polyurethane and epoxy) urban environments Low temperature chilled water production Low-temperature Covers specific applications such as ice ...
  • Page 54 12 - OPTIONS 30RB/RBP 30RQ/RQP Options No. Description Advantages 170-950 165-520 Dual high pressure water pump with speed Quick and easy installation (plug & play),  regulator, pressure sensors. Multiple water significant reduction in pumping energy  Variable-speed dual flow rate control options. For more details,  116W consumption level (more than two-thirds),  170-950 165-520 high-pressure pump. refer to the dedicated chapter (expansion  precise water flow control, improved system  tank not included; option with built-in reliability hydraulic safety components available) High energy...

  • Page 55: Description

    12 - OPTIONS 30RB/RBP 30RQ/RQP Options No. Description Advantages 170-950 165-520 Welded connection sleeve for 304 DSH inlet/outlet welded connection sleeves Easy installation 170-950 165-520 desuperheater Energy savings for applications which Free cooling hydraulic coils on the two Free cooling (total) 305A require cooling all year round (e.g.: industrial ...
  • Page 56 12 - OPTIONS 12.2.3 - Partial heat recovery (Option 49) This option enables free hot water to be produced using heat recovery by desuperheating the compressor discharge gases. The option is available for the entire RB/RBP and RQ/RQP range. A plate heat exchanger is installed in series with the air-cooled exchanger coils on the compressor discharge line of each circuit. The control configuration for the desuperheater option is factory-assembled (see chapter 12.2.3.4 - Operation). The installer must ...
  • Page 57 12 - OPTIONS 30RQ/RQP 165R 180R 210R 230R 270R 310R Desuperheater in circuits A/B Brazed-plate heat exchanger Water volume circuits A/B 2 / 3,75 2 / 3,75 3,75 / 3,75 3,75 / 3,75 3,75 / 3,75 3,75 / 5,5 Maximum operating pressure, water side 1000 1000 1000...
  • Page 58 12 - OPTIONS DIMENSIONS/CLEARANCES 30RB/P - 30RQ/P Desuperheater Option 49 2’’ Victaulic 2410 HT Electrical power connection 1500 1500 NOTE: Non-contractual drawings. Key: All dimensions are given in mm. When designing a system, refer to the certified dimensional Clearances required for maintenance and air flow drawings provided with the unit or available on request. Clearance recommended for coil removal Refer to the certified dimensional drawings for the location Water inlet...
  • Page 59 12 - OPTIONS 12.2.3.2 - Installation and operation of the heat recovery with desuperheater option Units with the desuperheater option are supplied with one plate heat exchanger per refrigerant circuit. When installing the unit, the heat recovery plate heat exchangers must be insulated and protected against frost if required. Refer to the main diagram below for the main components or functions associated with a unit with desuperheater option in a standard system.
  • Page 60 12 - OPTIONS Typical installation diagram of units with the RQ/RQP desuperheater option Cooling mode Heating mode Cooling mode & & RQ/RQP unit with desuperheater option without hydraulic module Border between the RQ/RQP unit and the system Typical installation RQ/RQP unit components Installation components (installation example) 1 ...
  • Page 61 12 - OPTIONS 12.2.3.3 - Installation The hydraulic supply for each desuperheater is delivered in The pressure drop on each of these must be identical to the total parallel. water flow rate given by the selection programme. The hydraulic connection on the desuperheater water inlet and To adjust the balancing valves before starting up the system, refer outlets must not generate any local mechanical stress on the to the pressure drop curves below.
  • Page 62 12 - OPTIONS Cooling mode operating range Heating mode operating range Part load, all sizes Part load, RQ only Part load, RQ only Part load Desuperheater water outlet temperature (°C) Heat pump water outlet temperature (°C) Notes 1.  Desuperheater water type heat exchanger ∆T = 10K. 2.  The hydraulic and/or water type heat exchanger module must be must be protected against frost (option 41 or 42A or 42B) or the loop must be protected with by an  antifreeze solution for outdoor temperatures < 0 °C. However, the customer is responsible for protecting the desuperheater water type heat exchanger water loop at outdoor temperatures below 0 °C These ranges are guidelines only.
  • Page 63 12 - OPTIONS 12.2.4 - TOTAL HEAT RECOVERY (option 50) Suitable for heating, domestic hot water production, agriculture and food industry, industrial processes and other hot-water requirements. With the total heat recovery option it is possible to reduce the energy consumption bill considerably, when compared to conventional heating equipment such as fossil fuel boilers or electric water tanks.
  • Page 64 12 - OPTIONS DIMENSIONS/CLEARANCES 30RBP Total recovery Option 50 2’’ Victaulic 2410 HT Electrical power connection 1500 1500 NOTE: Non-contractual drawings. Key: All dimensions are given in mm. When designing a system, refer to the certified dimensional Required space for maintenance drawings provided with the unit or available on request.
  • Page 65 12 - OPTIONS 12.2.4.2 - Total heat recovery operation Frost protection: The low water temperature cutout option (41C) for the condenser  Total heat recovery system: with heat recovery comprises electrical heaters which are activated For this option, a dual-circuit plate heat exchanger is installed in if the outdoor air temperature is below 3 °C and if the machine is series on air-cooled condensers on the compressor discharge line not running.
  • Page 66 12 - OPTIONS 12.2.4.3 - Installation and hydraulic connection of the condenser The unit is delivered with two temperature sensors and a flow rate controller which control the heat recovery.  The water flow controller is installed on the heat recovery unit water inlet and there is a sensor at the outlet. The water inlet sensor is  supplied with a maximum cable length of 15 metres which may be installed after the three-way valve (see diagram below).  It is recommended that the water inlet temperature sensor is placed as shown in the diagram below to guarantee optimal control of the hot water temperature. Note: - The water can be regulated on the water inlet or outlet.
  • Page 67 12 - OPTIONS Total recovery (pressure drop curves for the plate Operating range in cooling mode heat exchangers) Part load for 30RBP B C D 720-870 30 RBP 950 Heat exchanger water flow rate (l/s) 30RBP 170R 30RBP 310R-410R Evaporator water outlet temperature (°C) 30RBP 190R-210R 30RBP 450R-550R 30RBP 230R-270R 30RBP 610R-950R Full load 12.2.4.4 - Operating limits...
  • Page 68 12 - OPTIONS 12.2.5 - Operation of two units in a Master/Slave Example 1: operation in parallel - control on water assembly inlet for a hydraulic module The customer must connect both units with a communication bus using a 0.75 mm² twisted, shielded cable (contact the manufacturer's  Service for the installation). All the parameters required for the Master/Slave function must be configured using the Service configuration menu.
  • Page 69 12 - OPTIONS 12.2.6 - Brine option (Option 6B) - The size of the machine, - The type of glycol, Brine production from 5 °C to -8 °C is only possible with the - Its concentration, low-temperature brine solution option (6B). - The flow rate, The unit is equipped with insulation on the intake tubes. - The temperature of the glycol solution, The insulation is reinforced on the low-temperature brine solution - The condensing pressure (ambient temperature).
  • Page 70 12 - OPTIONS Frost protection Minimum frost protection temperature to be observed based on the leaving water temperature. The protection provided to the evaporator against low pressure and frost depends on the amount of antifreeze in the water loop. Minimum frost protection temperature based on the The evaporator pinch (LWT – SST) and the antifreeze protection ...
  • Page 71 12 - OPTIONS 12.2.7 - Units with fans with available pressure Specific data 30RQP (Option 12) IMPORTANT: When the 30RQP units operate in heating mode, dehumidification of the air and defrosting of the air heat The design of this range using R32, is intended for outdoor exchangers generate a large amount of condensate that must installation.
  • Page 72 12 - OPTIONS 12.2.7.4 - Factory-installed duct connection interface on each fan V-shaped air-cooled exchangers Detail of the duct connection Side view interface frame Top view Size of the duct connection frame 955x955x105 mm 12.2.7.5 - Duct installation principle Solution 1 Solution 2 Each fan has its own duct 2 fans can share the same duct...
  • Page 73 12 - OPTIONS Rules for a correct duct network Fan motor electrical protection - E a c h d u c t m u s t s e r v e a m a x i m u m o f 2 f a n s – In case of a locked rotor or an overload, the motors of each circuit DO NOT EXCEED this limit.
  • Page 74 12 - OPTIONS 12.2.8 - TOTAL/PARTIAL FREE COOLING (Option 305A; 305B) Reducing operating costs and protecting the environment have become the key concerns, both for air conditioning applications, and for industrial processes and cooling data centres. The  free  cooling  option  allows  significant  energy  savings  to  be  made  in  all  applications  that  require  cooling  throughout  the  year,  particularly when used in colder climates. In these regions, free cooling can be used to fulfil a large proportion of the cooling requirements ...
  • Page 75 12 - OPTIONS DIMENSIONS, CLEARANCES 2410 HT Electrical power connection VUE B 1500 1500 30RB/30RBP 170R-190R-210R-230R 270R 310R 340R 380R 410R 450R 480R 550R 610R-720R 770R-950R Length 2410 3604 4798 5992 7186 Length A 1172 1760 Length B 1520 2646 Length C Length D Length E...
  • Page 76 12 - OPTIONS Mid-season: Combination mode 12.2.8.2 - Free cooling operation It is possible to operate in combination free cooling and mechanical The unit's SmartVu control maximises the use of the free cooling cooling mode. This helps optimise free cooling operations while based on the needs of the application and the climate conditions.
  • Page 77 12 - OPTIONS Example: Frost protection If the loop contains 2500L, comprising EG30%, for a unit with 6 free  To prevent the risks of freezing when operating in low temperature cooling  coils,  then  it  is  necessary  to  add  30L  (2500*1.2%)  environments, the units equipped with the free cooling option must of corrosion inhibitor every 8 years. be protected with a glycol-based solution, see Freezing curve for The corrosion inhibitors to be used are dipotassium hydrogen Ethylene ...
  • Page 78 12 - OPTIONS A  filter  with  a  mesh  size  of  0.7  mm  is  factory  fitted  inside  the  free  cooling  circuit  pipe  to  protect  the  micro-channel  coils  from  any  contamination. During system start-up, after a few hours of operation, it is recommended that the cleanliness of the filter is checked  to ensure no debris was been caught in the mesh. The filters do not have any particular operating requirements. However, the mesh must be cleaned or changed as necessary. To check  the level of fouling, two branch connections (2) are provided upstream and downstream of the filter for the installation of a differential ...
  • Page 79 12 - OPTIONS Expansion tank If the free cooling option is combined with the expansion tank, the latter is provided by the manufacturer but its installation shall be undertaken by the installer. 12.2.8.5 - Application data Unit pressure drop curves Total free cooling option (305A) –...
  • Page 80 12 - OPTIONS Partial free cooling option (305B) – Operation in mechanical cooling mode Sizes 170R - 550R Sizes 610R - 950R 3 4 5 6 10,0 100,0 10,0 Water flow rate, l/s Water flow rate, l/s 30RBP 610R - 720R 30RBP 170R - 230R 30RBP 770R - 950R 30RBP 270R 30RBP 310R 30RBP 340R - 380R...
  • Page 81 12 - OPTIONS Available static system pressure Case of units with option 116V (single high-pressure variable-speed pump at 50 Hz) Data applicable for: - Pure water at 20 °C. - When using antifreeze, the maximum flow rate is reduced. Total free cooling option (305A) – Operation in free cooling mode Sizes 170R - 380R Sizes 410R - 550R 10,0 15,0 20,0 25,0 10,0...
  • Page 82 12 - OPTIONS Partial free cooling option (305B) – Operation in free cooling mode Sizes 170R - 380R Sizes 410R - 550R 10,0 15,0 10,0 15,0 20,0 1 2 3 4 Water flow rate, l/s Water flow rate, l/s 30RBP 170R - 230R 30RBP 410R 30RBP 270R 30RBP 450R - 480R 30RBP 310R 30RBP 550R...

  • Page 83: Standard Maintenance

    13 - STANDARD MAINTENANCE To ensure optimal efficiency and reliability of the equipment and  In these cases, the following maintenance work is recommended: all its functions, we recommend taking out a maintenance contract Carry out all level 1 operations, then: with the local organisation set up by your manufacturer. Electrical checks (annual checks): This contract will include regular inspections by the manufacturer’s - At least once a year, tighten the electrical connections for the...

  • Page 84: Level 3 Maintenance

    13 - STANDARD MAINTENANCE 13.5 - Tightening torques for the main IMPORTANT: Ensure all adequate safety measures are taken fastenings for all these operations: use appropriate PPE (personal protective equipment), comply with all applicable industry and local regulations, and use common sense. Value Screw type (N.m)

  • Page 85: Water Type Heat Exchanger

    13 - STANDARD MAINTENANCE 13.8 - Variable frequency drive IMPORTANT: Never use a pressure water spray without a large diffuser. IMPORTANT: Before any work on the variable frequency Concentrated and/or rotating water jets are strictly forbidden. drive, ensure that the circuit is isolated and there is no voltage present (reminder: The capacitors take approximately Never use a fluid with a temperature above 45 °C to clean the 5 minutes to discharge once the circuit breaker has been...

  • Page 86: Final Shut-Down

    14 - FINAL SHUT-DOWN 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 information relating to the presence of potentially dangerous substances in the product and their precautions for use (REACH, Regulation no. 1907/2006). This information is available on the Manufacturer's website. ...

  • Page 87: Unit Start-Up Checklist For Installers Prior To Contacting The Manufacturer

    15 - UNIT START-UP CHECKLIST FOR INSTALLERS PRIOR TO CONTACTING THE MANUFACTURER Preliminary information Job name: ........................................ Location: ........................................Installing contractor: ....................................Distributor: ....................................... Start-up performed by..............On ....................Equipment Model ....................Serial number ................Compressors Circuit A Circuit B 1.
  • Page 88 15 - UNIT START-UP CHECKLIST FOR INSTALLERS PRIOR TO CONTACTING THE MANUFACTURER Unit start-up Chilled water pump contactor has been correctly cabled with the chiller Oil level is correct  The unit has been checked for leaks (including couplings) Locate, repair, and report any refrigerant leaks ..............................................................................................................................Check voltage imbalance: AB....
  • Page 89 15 - UNIT START-UP CHECKLIST FOR INSTALLERS PRIOR TO CONTACTING THE MANUFACTURER Carry out the QUICK TEST function (Consult the manufacturer's Service): Check and log on to the user menu configuration Load sequence selection ..................................Capacity ramp loading selection................................Start-up delay ......................................Pump control ......................................
  • Page 92 CARRIER participates in the ECP programme for LCP/HP Check ongoing validity of certificate: www.eurovent-certification.com Order No: 10579, 03.2022. Supersedes order No.: 10579, 12.2021. Manufactured by: Carrier SCS, Montluel, France. The manufacturer reserves the right to change the product specifications without notice.

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