Carrier AquaSnap 30RB Series Installation, Operation And Maintenance Instructions
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Carrier AquaSnap 30RB Series Installation, Operation And Maintenance Instructions

Air-cooled liquid chillers
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30RB 162-262 "B"
30RB 302-802
Air-Cooled Liquid Chillers
Nominal cooling capacity 163-760 kW
50 Hz
Unit with low-noise option shown
Installation, operation and maintenance instructions

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Summary of Contents for Carrier AquaSnap 30RB Series

  • Page 1 30RB 162-262 “B” 30RB 302-802 Air-Cooled Liquid Chillers Nominal cooling capacity 163-760 kW 50 Hz Unit with low-noise option shown Installation, operation and maintenance instructions...

  • Page 2: Table Of Contents

    Contents 1 - IntRoDUCtIon ..................................4 1.1 - Check equipment received ..............................4 1.2 - Installation safety considerations ............................4 1.3 - Equipment and components under pressure ........................5 1.4 - Maintenance safety considerations ............................5 1.5 - Repair safety considerations ..............................6 2 - MovIng anD sItIng the UnIt ............................
  • Page 3 9 - noMInal systeM WateR FloW ContRol ......................28 9.1 - Water flow control procedure .............................. 28 9.2 - Pump pressure/flow rate curves ............................29 9.3 - Available static system pressure ............................31 10 - MajoR systeM CoMponents ........................... 35 10.1 - Compressors..................................

  • Page 4: Introduction

    1 - INTRODUCTION 1.2 - Installation safety considerations Prior to the initial start-up of the 30RB units, the people After the unit has been received, and before it is started up, it must be inspected for damage. Check that the refrigerant involved should be thoroughly familiar with these instructions circuits are intact, especially that no components or pipes and with the technical characteristics of the installation site.

  • Page 5: Equipment And Components Under Pressure

    These products incorporate equipment or components under leaked is generally lower than its original calibration. The pressure, manufactured by Carrier or other manufacturers. new calibration may affect the operating range. To avoid nuisance tripping or leaks, replace or re-calibrate the valve.

  • Page 6: Repair Safety Considerations

    Ensure regularly that the vibration levels remain accept- Avoid spilling liquid refrigerant on skin or splashing it into able and close to those at the initial unit start-up. the eyes. Use safety goggles and safety gloves. Wash any spills from the skin with soap and water. If liquid Before opening a refrigerant circuit, purge and consult the refrigerant enters the eyes, immediately and abundantly pressure gauges.

  • Page 7: Moving And Siting The Unit

    2.2 - Siting the unit Periodically inspect all valves, fittings and pipes of the refrigerant and hydronic circuits to ensure that they do not show any corrosion or any signs of leaks. The machine must be installed in a place that is not accessible to the public or protected against access by non-authorised persons.

  • Page 8: Checks Before System Start-Up

    2.3 - Checks before system start-up IMPORTANT: The compressor assemblies are “floating” on rubber blocks between the unit chassis and the sub- Before the start-up of the refrigeration system, the complete assembly chassis (they are not visible). To protect the installation, including the refrigeration system must be piping during transport, a flange is installed in the factory.

  • Page 9: Dimensions, Clearances

    3 - DIMENSIONS, ClEaRaNCES For the heat reclaim condenser option, please refer to the relevant chapter. 3.1 - 30RB 162-262 “B”, standard units Power connection With hydronic module legend: all dimensions are in mm. Clearances required for maintenance and air flow Clearances recommended for evaporator tube removal Clearances recommended for heat exchanger removal Water inlet...

  • Page 10: 30Rb 162-262 "B", Option 280

    3.2 - 30RB 162-262 “B”, option 280 2410 2457 Power connection With hydronic module 1500 legend: all dimensions are in mm. Clearances required for maintenance and air flow Clearances recommended for evaporator tube removal Clearances recommended for heat exchanger removal Water inlet 1500 Water outlet...

  • Page 11: 30Rb 302-522

    3.3 - 30RB 302-522 Power connection With hydronic module For user control connection Without hydronic module Options 116 B, C, F, g M, N, P, Q 30RB with valve without valve 302-402 3604 432-522 4798...

  • Page 12: 30Rb 602-802

    3.4 - 30RB 602-802 Power connection Power connection circuits A and B circuit C For user control connection 30RB 602-672 5992 legend: 732-802 7186 all dimensions are in mm. NOTE: Non-contractual drawings. Clearances required for maintenance and air flow Clearances recommended for evaporator tube removal When designing an installation, refer to the certified dimensional drawings, available on request.

  • Page 13: Physical Data - 30Rb

    4 - PHYSICal DaTa - 30RB 4.1 - 30RB 162-262 "B" standard units 30RB Operating weight* Standard unit + option 15 + high-pressure 1561 1671 1770 1818 1993 dual-pump hydronic module option Unit with option 15 1385 1495 1594 1634 1809 Standard unit** 1310...

  • Page 14: 30Rb 162-262 "B" Units With Option 280 And 30Rb 302-802 Units

    4.2 - 30RB 162-262 "B" units with option 280 and 30RB 302-802 units 30RB Operating weight* Standard unit + option 15 + high- 1896 2006 2093 2118 2292 2911 3102 3258 3358 3720 3977 4183 pressure dual-pump hydronic module option Unit with option 15 1720 1830...

  • Page 15: Electrical Data - 30Rb

    5 - ElECTRICal DaTa - 30RB 5.1 - 162-262 “B” standard (units and units with option 280) and 30RB 302-802 units 30RB (without hydronic module) Power circuit Nominal power supply V-ph-Hz 400-3-50 Voltage range 360-440 Control circuit supply 24 V, via internal transformer Nominal unit current draw* Circuits A + B (one supply) Circuit C (separate supply)

  • Page 16: Electrical Data, Hydronic Module (Sizes 162 To 522)

    < 40 IV - Maximum air temperature Please refer to the operating conditions given in this manual or in the specific conditions in the Carrier selection programs. V - Potentially explosive atmospheres Non-ATEX environment Motors of single and dual low-pressure pumps for 30RB 162-262 B units with option 280 and 30RB 302-522 units (options 116F, 116g, 116p, 116q) No.** Description***...

  • Page 17: Compressor Usage And Electrical Data

    < 40 IV - Maximum air temperature Please refer to the operating conditions given in this manual or in the specific conditions in the Carrier selection programs. V - Potentially explosive atmospheres Non-ATEX environment Required by regulation 640/2009 with regard to the application of directive 2005/32/EC on the eco-design requirements for electric motors Item number imposed by regulation 640/2009, annex I2b.

  • Page 18: Application Data

    The evaporator is protected against frost down to -20°C. For application requiring operation at less than 8 or 6.8°C respectively, contact Carrier for unit selection using the Carrier electronic catalog. legend For an application, requiring operation up to +15°C leaving water temperature, Standard unit operating at full load.

  • Page 19: Maximum Chilled Water Flow (Units Without Hydronic Module)

    6.3 - Maximum chilled water flow (units without Connection to a buffer tank hydronic module) The maximum chilled water flow is shown in the table on the next page. If the system flow exceeds the maximum value, it can be bypassed as shown in the diagram. Good For maximum chilled water flow rate Good...

  • Page 20: Pressure Drop Curves For The Evaporator And Standard Entering/Leaving Water Piping

    30RB 162-262 “B” units with option 280 and 30RB 302-802 units Water flow rate, l/s 30RB 162-302 30RB 342-402 30RB 432-522 30RB 602-802 Note: If the Carrier instructions (power and water connections and installation) are not oberved, the Carrier warranty becomes invalid.

  • Page 21: Electrical Connection

    IEC 60947-3). • The Carrier 30RB units are designed and built to ensure conformance with The units are designed for simplified connection on TN(s) networks (IEC 60364). these codes. The recommendations of European standard EN 60 204-1...

  • Page 22: Field Control Wiring

    7.4.2 - Connection extension box The calculations are based on the maximum machine current (see electrical data tables). This accessory permits stripping the power cables before they enter the control box, and must be used when the cable bend For the accessory system the following standardised instal- radius is not compatible with the connection space available lation methods are used, in accordance with IEC 60364, in the control box.

  • Page 23: Power Supply

    Install thermometers in both the entering and leaving Where additives or other fluids than those recommended by water connections. Carrier are used, ensure that these are not considered as a gas, • Install drain connections at all low points to allow the and that they are class 2, as defined in directive 97/23/EC.

  • Page 24: Hydronic Connections

    8.2 - Hydronic connections The optional hydronic modules are not compatible with open loops. 8.2.1 - Unit equipped with hydronic module options 116B, 116C, 116F, 116g 8.2.2 - Unit equipped with hydronic module options 116M, 116n, 116p, 116q legend Installation components Components of the unit and hydronic module 18 Air vent Victaulic screen filter...
  • Page 25 8.2.3 - typical installation, unit equipped with hydronic module options 116B, 116C, 116F, 116g 8.2.4 - typical installation, unit equipped with hydronic module options 116M, 116n, 116p, 116q See legend on previous page, chapter 8.2.2.

  • Page 26: Flow Control

    8.2.5 - Unit without hydronic module option Another solution consists of draining the hydronic circuits exposed to temperatures below 0°C (must be used for units Typical water circuit diagram - without hydronic module with plate heat exchangers). If the unit is not used for an extended period, protect it by circulating a protective solution.

  • Page 27: Operation Of Two Units In Master/Slave Mode

    See the 30RB Pro-Dialog Plus Control IOM for differential aeration. If the heat transfer fluid does a more detailed explanation. not comply with Carrier recommendations, nitrogen 30RB with configuration: leaving water control must be charged immediately. legend...

  • Page 28: Nominal System Water Flow Control

    9 - NOMINal SYSTEM WaTER FlOW CONTROl Renew, if necessary, to ensure that the filter is not contami- nated. Purge the air from the circuit using the purge valves in The water circulation pumps of the 30RB units have been the hydronic circuit and the system (see typical hydronic sized to allow the hydronic modules to cover all possible circuit diagram).

  • Page 29: Pump Pressure/Flow Rate Curves

    9.2 - Pump pressure/flow rate curves single low-pressure pumps Water flow rate, l/s 30 RB 162-232 (162-262 option 280) 30 RB 262-342 30 RB 372-402-432 30 RB 462-522 Double low-pressure pumps Water flow rate, l/s 30RB 162-232 (162-262 option 280) 30RB 262-342 30RB 372-432 30RB 462-522...
  • Page 30 9.2 - Pump pressure/flow rate curves (continued) single high-pressure pumps Water flow rate, l/s 30RB 232-262 30RB 162-202 30RB 302-342 30RB 372-432 30RB 462-522 Double high-pressure pumps Water flow rate, l/s 30RB 232-262 30RB 162-202 30RB 302-342 30RB 372-432 30RB 462-522...

  • Page 31: Available Static System Pressure

    9.3 - available static system pressure 9.3.1 - 30RB 162-262 “B” standard units single low-pressure pumps Water flow rate, l/s 30RB 162-182B 30RB 202B 30RB 232B 30RB 262B Double low-pressure pumps Water flow rate, l/s 30RB 162-182B 30RB 202B 30RB 232B 30RB 262B...
  • Page 32 9.3.1 - 30RB 162-262 “B” standard units (continued) single high-pressure pumps 30RB 162-182B 30RB 202B 30RB 232B Water flow rate, l/s 30RB 262B Double high-pressure pumps 30RB 162-182B Water flow rate, l/s 30RB 202B 30RB 232B 30RB 262B...
  • Page 33 9.3 - available static system pressure (continued) 9.3.2 - 30RB 162-262 “B” units with option 280 and 30RB 302-802 units single low-pressure pumps Water flow rate, l/s 30RB162-262 30RB 302 30RB 342 30RB 372-402 30RB 432 30RB 462-522 Double low-pressure pumps Water flow rate, l/s 30RB162-262 30RB 302...
  • Page 34 9.3.2 - 30RB 162-262 “B” units with option 280 and 30RB 302-802 units (continued) single high-pressure pumps 30RB 162-202 Water flow rate, l/s 30RB 232_262 30RB 302 30RB 342 30RB 372-402 30RB 432 30RB 462-522 Double high-pressure pumps Water flow rate, l/s 30RB 162-202 30RB 232_262 30RB 302...

  • Page 35: Major System Components

    This is also the case for NOTE: Use only oils which have been approved for the the products originally supplied by Carrier. compressors. Never use oils which have been exposed to air. NOTES: Monitoring during operation: CAUTION: R-22 oils are absolutely not compatible with •...

  • Page 36: Refrigerant

    10.9 - Refrigerant coatings to which they are applied. This is also the case for the products originally supplied by Carrier. 30RB units operate with refrigerant R-410A. NOTES: Monitoring during operation, re-qualification, 10.10 - High-pressure safety switch...

  • Page 37: Fan Arrangement

    10.11 - Fan arrangement 10.12 - Fan stages Standard unit Circuit Stage 1 Stage 2 Stage 3 Stage 4 Option 28 Option 28B with 30RB with variator two-speed fan EV11 EV11 EV11 EV11 EV12 EV21 + EV22 EV21 EV21 182-262 EV11 EV11 + EV12 EV11...

  • Page 38: Options And Accessories

    11 - OPTIONS aND aCCESSORIES 11.1 - Free-cooling system (option 118a) 30RB option 118a Operating weight* Unit with option 15 2398 2580 3229 3429 3518 3658 4241 4381 4591 Unit with option 15 + dual-pump 2638 2818 3539 3739 3868 3998 4591 4781...
  • Page 39 11.2.2 - Dimensions, clearances, weight distribution 30RB 262 - total heat reclaim condenser option 2457 Power connection 1500 3” Victaulic type 75 4” Victaulic type 75 4” Victaulic type 75 3” Victaulic type 75 1500 legend: NOTE: Non-contractual drawings. all dimensions are in mm. When designing an installation, refer to the certified Clearances required for maintenance and air flow dimensional drawings, available on request.
  • Page 40 30RB 302-402 - total heat reclaim condenser option Power connection For user control connection 3” Victaulic type 75 4” Victaulic type 75 4” Victaulic type 75 3” Victaulic type 75 Sizes 372 and 402 legend: NOTE: Non-contractual drawings. all dimensions are in mm. When designing an installation, refer to the certified Clearances required for maintenance and air flow dimensional drawings, available on request.
  • Page 41 30RB 432-522 - total heat reclaim condenser option Power connection For user control connection 4” Victaulic type 75 6” Victaulic type 75 6” Victaulic Size 522 type 75 4” Victaulic type 75 legend: ATTENTION: The Victaulic flange sleeves of the conden- ser are not installed, but supplied with the unit.
  • Page 42 11.2.4 - operating limits 11.2.6 - heat reclaim operation The heat reclaim condenser option is only available on Heat reclaim condenser Minimum Maximum Entering water temperature at start-up °C units with two circuits. It was designed with a shell-and- Leaving water temperature during operation °C tube two-circuit heat exchanger with the coils in parallel.

  • Page 43: Partial Heat Reclaim Using Desuperheaters (Option 49)

    11.3 - Partial heat reclaim using desuperheaters (option 49) This option permits the production of free hot water using heat reclaim by desuperheating the compressor discharge gases. The option is available for the whole 30RB range. A plate heat exchanger is installed in series with the air con- denser coils on the compressor discharge line of each circuit.
  • Page 44 11.3.2 - Dimensional drawings for units equipped with the desuperheater option 30RB 162-262 Control power connection Unit with hydronic module ø 2” Cylindrical gas thread, desuperheater-side legend: all dimensions are in mm. Clearances required for maintenance and air flow Clearances recommended for evaporator tube removal Clearances recommended for heat exchanger removal Water inlet, evaporator and desuperheater Water outlet, evaporator and desuperheater...
  • Page 45 30RB 302-522 Control power connection Unit with hydronic module ø 2” Cylindrical gas thread, desuperheater-side Unit without hydronic module Control power user connection ø 2” Cylindrical gas thread, desuperheater-side legend: 30RB 302-402 3604 all dimensions are in mm 432-522 4798 Please refer to the legend and note on the next page.
  • Page 46 30RB 602-802 Control power connection, Control power circuits A and B connection, circuit C ø 2” Cylindrical gas thread, desuperheater-side 30RB Control power user connection 602-672 5992 1200 732-802 7186 1869 legend: NOTE: Non-contractual drawings. all dimensions are in mm. When designing an installation, refer to the certified Clearances required for maintenance and air flow dimensional drawings, available on request.
  • Page 47 11.3.3 - Installation and operation of the heat reclaim with During the unit installation the heat reclaim plate heat desuperheater option exchangers must be insulated and frost protected, if required. The 30RB units with the desuperheater option (No. 49) are supplied with one heat exchanger per refrigerant circuit.
  • Page 48 11.3.4 - Installation The desuperheater water loop must include a safety valve The water supply of each desuperheater is arranged in and an expansion tank. When selecting these, consider the parallel. The water connections on the desuperheater water water loop volume and the maximum temperature (120°C) inlets and outlets must not cause any mechanical local when pump operation is stopped (item 20).

  • Page 49: Units With Fans With Available Pressure For Indoor Installation (Option 12)

    Nominal conditions corresponding to coefficient = 1 The unit cooling capacity and energy efficiency ratio (EER) Evaporator entering/leaving temperature = 12/7°C varies depending on the duct pressure drops: Desuperheater entering/leaving temperature = 50/60°C between 0 and 100 Pa the unit cooling capacity is only Condenser entering air temperature = 35°C (curve B) slightly affected, between 100 and 200 Pa the unit cooling capacity falls...
  • Page 50 11.4.1 - Installation All fans in the same refrigerant circuit are controlled by a In 30RB units with option 12 each fan is equipped with a single speed variator and therefore all run at the same speed. factory-installed connection interface, allowing the connec- tion to the ducting system for the specific circuit (A, B and Each refrigerant circuit (A, B and C) must have a separate C) for each fan.
  • Page 51 11.4.2 - nominal and maximum air flows per circuit (a, B and C) for 30RB sizes 30RB Circuit a Circuit B Circuit C Nominal/maximum air flow, l/s Nominal/maximum air flow, l/s Nominal/maximum air flow, l/s 4515/5555 9030/11110 182-262 9030/11110 9030/11110 13540/16670 9030/11110 302-342...
  • Page 52 Duct installation examples Case 1 For units 30RB 162 with two V-shaped air condensers. Solution 1 Solution 2 1 Fan motor access hatches (provide a 700 x 700 mm hatch) for each single and dual duct solution 1 solution 2 One separate duct per fan Circuit a Circuit a...
  • Page 53 Duct installation examples (continued) Case 2 For units 30RB 182-262 with two V-shaped air condensers. Solution 1 Solution 2 1 Fan motor access hatches (provide a 700 x 700 mm hatch) for each single and dual duct solution 1 solution 2 One separate duct per fan Circuit a Circuit a...
  • Page 54 Duct installation examples (continued) Case 3 For 30RB 302 and 342 units with three V-shaped air condensers, where the middle V-shaped condenser 2 and fan EV 21 only belong to circuit A (see chapter “Number of fans per refrigerant circuit for different unit sizes”). Solution 1 Solution 2 1 Fan motor access hatches (provide a 700 x 700 mm hatch) for each single and dual duct...
  • Page 55 Duct installation examples (continued) Case 4 For units 30RB 372 and 402 with three V-shaped air condensers, where the middle V-shaped condenser 2 belongs to both circuits A and B (see chapter “Number of fans per refrigerant circuit for different unit sizes”). Similar recommendations apply to units 30RB 602 and 672 that also have overlapping air condenser circuits for V-shaped condenser 2.

  • Page 56: Brine Option

    For information: The protection values given by our supplier, If a fan is not operating correctly, the drive automatically based on the antifreeze solutions used in the Carrier detects the problem and sends an alert to the Pro-Dialog Montluel laboratory, are as follows: (these values can change display.

  • Page 57: Unit Storage Above 48°C (Option 241)

    11.5.2 - Units equipped with hydronic kit IMPORTANT: Never use a glycol concentration of less If the antifreeze concentration exceeds 30%, it is recom- than 20%, as the brine will become aggressive and there mended to reduce the brine flow rate to prevent over- will be an increased risk of corrosion of the cast iron loading and over-heating of the motor.

  • Page 58: Other Options And Accessories

    Coils with copper tubes and aluminium fins Possibility to add special treatments 30RB 162-802 MCHX anti-corrosion protection MCHX protection by the Carrier factory for The Super Enviro-Shield option was developed to 30RB 162-262 applications in aggressive environments increase the application range of MCHX coils to severe environmental conditions: this option is compulsory for industrial environments, for sites that are <...

  • Page 59: Standard Maintenance

    At least once a year tighten the power circuit electrical the guarantee conditions for the HVAC unit nul and void, and the manufacturer, connections (see table with tightening torques opposite). Carrier France, will no longer be held responsible. • Check the expansion tank for signs of excessive corro- sion or gas pressure loss and replace it, if necessary.

  • Page 60: Tightening Torques For The Main Electrical Connections

    12.4 - Tightening torques for the main electrical Periodical cleaning with clean water: connections for coils installed in a coastal or industrial environment periodical cleaning by rinsing with water is beneficial. It Component Designation value is however essential that rinsing is done with a low-speed in the unit (N∙m) water jet to avoid damaging the fins.

  • Page 61: Evaporator Maintenance

    12.8 - Characteristics of R-410a level 2 The two cleaning products can be used for any of the following coil finishes: Cu/Cu, Cu/Al, Cu/Al with Polual, See the table below. Blygold and/or Heresite protection. Saturated temperatures based on the relative pressure (in kPa) Saturated Relative Saturated...

  • Page 62: Start-Up Checklist For 30Rb Liquid Chillers (Use For Job File)

    13 - STaRT-UP CHECklIST FOR 30RB lIQUID CHIllERS (USE FOR jOB FIlE) preliminary information Job name: ....................................... Location: ........................................ Installing contractor:..................................... Distributor: ......................................Start-up preformed by: .............. Date: ....................equipment Model 30RB: ................. S/N ....................Compressors Circuit a Circuit B Circuit C 1.
  • Page 63 Unit start-up Chilled water pump starter has been properly interlocked with the chiller Oil level is correct Unit has been leak checked (including fittings) Locate, repair, and report any refrigerant leaks ..............................................................................................................................Check voltage imbalance: AB ....AC ....BC....Average voltage = ........
  • Page 64 Circuit C liquid line temperature ............................NOTES: ....................................................................................................................www.eurovent-certification.com www.certiflash.com Order No: 13439-76, 10.2011 - Supersedes order No: 13439-76, 02.2011. Manufacturer: Carrier SCS, Montluel, France. Manufacturer reserves the right to change any product specifications without notice. Printed in the European Union.

This manual is also suitable for:

Aquasnap 30rb 162Aquasnap 30rb 182Aquasnap 30rb 202Aquasnap 30rb 232Aquasnap 30rb 262Aquasnap 30rb 302 ... Show all

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