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47

12 - MAIN OPTIONS

Options

No.

Description

Advantages

Use for 30XA 

range

Corrosion protection, 

traditional coils

2B

Factory application of Blygold Polual treatment on the 

copper/aluminium coils

Improved corrosion resistance, recommended for 

industrial, rural and marine environments

252-1702  

(Not available for the 

sizes 504, 854, 904)

Corrosion protection, 

traditional coils

3A

Fins made of pre-treated aluminium (polyurethane and 

epoxy)

Improved corrosion resistance, recommended for 

moderate marine and urban environments

252-1702  

(Not available for the 

sizes 504, 854, 904)

Medium-temperature 

brine solution

5

Implementation of new algorithms of control and 

evaporator redesign to allow chilled brine solution 

production down to -6°C when ethylene glycol is used 

(-3°C with propylene glycol)

Covers specific applications such as ice storage and 

industrial processes

252-1702  

(Not available for the 

sizes 504, 854, 904)

Low-temperature brine 

solution

6

Implementation of new algorithms of control and 

evaporator redesign to allow chilled brine solution 

production down to -12°C when ethylene glycol is used 

(-8°C with propylene glycol)

Covers specific applications such as ice storage and 

industrial processes

252-1702  

(Not available for the 

sizes 504, 854, 904)

Unit equipped for air 

discharge ducting

10

Fans equipped with discharge connection flanges 

- maximum available pressure 60 kPa

Facilitates connections to the discharge ducts

252-1702  

(Not available for the 

sizes 504, 854, 904)

IP54 control box

20A

Increased leak tightness of control boxes

Protects the inside of the electrical box from dusts and 

sand. In general this option is recommended for 

installations in polluted environments

252-1702

Tropicalisation of the 

electrical box

22

Electrical box equipped with an electrical heater and a 

fan. Electrical connections on the compressors painted 

with a special varnish and covered with an anti-

condensation foam.

Grant safe operation in typical "tropical" climate. This 

option is recommended for all applications where 

humidy inside the electrical box can reach 80% at 40°C 

and unit can remain in stand-by for a long time under 

this conditions. 

252-1702

Grilles and enclosure 

panels

23

Metal grilles on the 4 unit sides, plus side enclosure 

panels at each end of the coil

Improves aesthetics, protection against intrusion to the 

unit interior, coil and piping protection against impacts.

252-1702

Enclosure panels

23A

Side enclosure panels at each end of the coil

Improves aesthetics, coil and piping protection against 

impacts.

252-1702

Winter operation down to 

-20°C

28

Fan speed control via frequency converter

Stable unit operation for air temperature down to -20°C

252-1702

Evaporator frost 

protection

41A

Electric resistance heater on the evaporator and 

discharge valve

Evaporator frost protection down to -20°C outside 

temperature

252-1702

Evap.and hydraulic mod. 

frost protection

41B

Electric resistance heater on evaporator, discharge 

valve and hydronic module

Evaporator and hydronic module frost protection down 

to -20°C outside temperature

252-1702

Total heat recovery

50

Unit equipped with additional heat exchanger in parallel 

with the condenser coils. 

Production of free hot-water simultaneously with chilled 

water production

252-1702  

(Not available for the 

sizes 504, 854, 904)

Master/slave operation

58

Unit equipped with supplementary water outlet 

temperature sensor kit to be field-installed allowing 

master/slave operation of two units connected in parallel

Optimised operation of two chillers connected in parallel 

with operating time equalisation

252-1702

Single power connection 

point

81

Unit power connection via one main supply connection Quick and easy installation

1112-1502

Service valve set

92

Liquid line valve (evaporator inlet), compressor suction 

and discharge line valves and economiser line valve

Allow isolation of various refrigerant circuit components 

for simplified service and maintenance

252-1702

Compressor discharge 

valves

93A

Shut-off valve on the compressor discharge piping

Simplified maintenance

252-1702

Evaporator with one pass 

more

100A

Evaporator with one pass more on the water side

Optimise chiller operation when the chilled water circuit 

is designed with low waterflows (high delta T evaporator 

inlet/oulet)

252-1702

Evaporator with one pass 

less

100C

Evaporator with one pass on the water side. Evaporator 

inlet and outlet on opposite sides. 

Easy to install, depending on site. Reduced pressure 

drops

252-1002

21 bar evaporator

104

Reinforced evaporator for extension of the maximum 

water-side service pressure to 21 bar (standard 10 bar)

Covers applications with a high water column 

evaporator side (typically high buildings)

252-1702

Reversed evaporator 

water connections

107

Evaporator with reversed water inlet/outlet

Easy installation on sites with specific requirements

252-1702

HP single-pump hydronic 

module

116B

Complete hydronic module equipped with water filter, 

expansion tank with safety valve, one high pressure 

pump, drain valve and water flow control valve. For 

more details, refer to the dedicated chapter

Plug & play approach

252-502  

(Not available for the 

size 504) 

HP dual-pump hydronic 

module

116C

Complete hydronic module equipped with water filter, 

expansion tank with safety valve, two high pressure 

pumps, drain valve and water flow control valve. For 

more details, refer to the dedicated chapter

Plug & play approach. Increased system reliability

252-502  

(Not available for the 

size 504) 

LP single-pump hydronic 

module

116F

Complete hydronic module equipped with water filter, 

expansion tank with safety valve, one low pressure 

pump, drain valve and water flow control valve. For 

more details, refer to the dedicated chapter

Plug & play approach

252-502 

(Not available for the 

size 504)

LP dual-pump hydronic 

module

116G

Complete hydronic module equipped with water filter, 

expansion tank with safety valve, two low pressure 

pumps, drain valve and water flow control valve. For 

more details, refer to the dedicated chapter

Plug & play approach. Increased system reliability

252-502 

(Not available for the 

size 504)

Dx  Free Cooling system 

on two circuits

118A

Patented Carrier free-cooling system with cooling 

micro-pump on both refrigerant circuits. Operation 

without glycol, no extra free-cooling coil. See Dx 

Free-cooling option chapter

Energy savings for applications with cooling demand 

throughout the entire year

252-1002  

(Not available for the 

sizes 504, 854, 904)

High energy efficiency

119

Higher air flow through the condenser coils improving 

heat exchange efficiency on the condenser

Energy cost reduction and extended operating envelope 

(full load operation at higher air temperature)

252-1702 

(Mandatory for the 

sizes 504, 854, 904)

CCN to J-Bus gateway

148B

Two-directional communication board complying with 

JBus protocol

Connects the unit by communication bus to a building 

management system 

252-1702

Summary of Contents for Aquaforce 30XA Series

Page 1: ...INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS Air Cooled Screw Chillers 30XA A Nominal cooling capacity 267 1682 kW 50 Hz Unit with options 23A 258 and 279 Original document...

Page 2: ...XA 1702 module 1 2 MCHE heat exchanger standard and 30XA 1702 module 1 2 Cu Al heat exchanger option 254 255 15 3 11 30XA 1702 module 2 2 MCHE heat exchanger standard and 30XA 1702 module 2 2 Cu Al he...

Page 3: ...control 42 9 8 Heat reclaim operation 42 9 9 Condenser pump selection 42 9 10 Frost protection 43 10 FANS WITH AVAILABLE PRESSURE OPTION 10 43 11 MAJOR SYSTEM COMPONENTS AND OPERATION DATA 43 11 1 Dir...

Page 4: ...e unit The units can also be lifted with slings using only the designated lifting points marked on the unit These units are not designed to be lifted from above Use slings with the correct capacity an...

Page 5: ...d documentation supplied with the products These units are intended to be stored and operated in an environment where the ambient temperature must be not less than the lowest allowable temperature ind...

Page 6: ...option 231 are equipped with capacitor batteries with a discharge time of five 5 minutes after disconnecting the power After disconnecting the power to the control box wait five minutes before opening...

Page 7: ...ny spills from the skin with soap and water If liquid refrigerant enters the eyes immediately and abundantly flush the eyes with water and consult a doctor The accidental releases of the refrigerant d...

Page 8: ...replacement Consult the list of replacement parts that corresponds to the specification of the original equipment Do not drain water circuits containing industrial brines without informing the technic...

Page 9: ...ever push or lever on any of the enclosure panels of the unit Only the base of the unit frame is designed to withstand such stresses If a unit includes a hydronic module options 116B C F G the hydroni...

Page 10: ...nit For options 5 6 100A 100C 107 refer to the certified drawing Air outlet do not obstruct Power supply and control connection Control circuit connection for option 158 NOTES Drawings are not contrac...

Page 11: ...ions 5 6 100A 100C 107 refer to the certified drawing Air outlet do not obstruct Power supply and control connection Control circuit connection for option 158 NOTES Drawings are not contractually bind...

Page 12: ...ons 5 6 100A 100C 107 refer to the certified drawing Air outlet do not obstruct Power supply and control connection Control circuit connection for option 158 NOTES Drawings are not contractually bindi...

Page 13: ...C NOTES Drawings are not contractually binding Before designing an installation consult the certified dimensional drawings available on request For the positioning of the fixing points weight distrib...

Page 14: ...ler installation and 3 13 Distance to the wall of this document to determine the space required 3 9 30XA 1402 1502 module 2 2 MCHE heat exchanger standard and 30XA 1402 1502 module 2 2 Cu Al heat exch...

Page 15: ...or option 158 NOTES Drawings are not contractually binding Before designing an installation consult the certified dimensional drawings available on request For the positioning of the fixing points wei...

Page 16: ...t 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 13 Distance to the wall To ensure corr...

Page 17: ...8 20 8 20 8 23 5 23 5 23 5 23 5 23 5 23 5 Capacity control Touch Pilot electronic expansion valve EXV Minimum capacity 15 15 15 15 15 15 15 15 15 15 15 15 15 Condensers All aluminium microchannel heat...

Page 18: ...D kg 63 teqCO2 90 1 Oil charge Circuit A l 27 6 27 6 27 6 27 6 27 6 36 36 27 6 27 6 27 6 Circuit B l 27 6 27 6 27 6 36 36 36 36 27 6 27 6 23 5 Circuit C l 27 6 27 6 27 6 Circuit D l 23 5 Capacity con...

Page 19: ...5 23 5 23 5 23 5 23 5 27 6 Circuit C l Circuit D l Capacity control Touch Pilot electronic expansion valve EXV Minimum capacity 15 15 15 15 15 15 15 15 15 15 15 15 Condensers Copper aluminium coil Fa...

Page 20: ...screw compressors 50 r s Circuit A 1 1 1 1 1 1 1 1 Circuit B 1 1 1 1 1 1 1 1 Circuit C 1 1 1 Circuit D 1 Oil charge Circuit A l 27 6 27 6 36 36 36 27 6 27 6 27 6 Circuit B l 27 6 36 36 36 36 27 6 27...

Page 21: ...3 1039 1103 1118 1125 1143 Cosine Phi maximum 0 86 0 87 0 86 0 87 0 87 0 87 0 86 0 87 0 87 Cosine Phi nominal 0 85 0 85 0 85 0 86 0 87 0 87 0 86 0 85 0 85 Maximum power input Circuit 1 kW 359 420 182...

Page 22: ...60 Circuit 2 A 772 772 772 772 587 587 760 Option 81 A 1031 1047 1113 1128 1122 1133 Cosine Phi maximum 0 85 0 85 0 86 0 86 0 87 0 87 0 87 0 86 0 86 0 86 Cosine Phi nominal 0 84 0 84 0 84 0 84 0 84 0...

Page 23: ...772 772 845 865 761 Circuit 2 A 772 772 772 772 587 587 761 Option 81 A 1023 1039 1103 1118 1125 1143 Cosine Phi maximum 0 87 0 86 0 87 0 87 0 87 0 86 0 87 0 87 Cosine Phi nominal 0 85 0 85 0 86 0 87...

Page 24: ...t 1 A 860 587 587 772 772 845 860 760 Circuit 2 A 772 772 772 772 587 587 760 Option 81 A 1031 1047 1113 1128 1122 1133 Cosine Phi maximum 0 86 0 86 0 87 0 87 0 87 0 86 0 86 0 86 Cosine Phi nominal 0...

Page 25: ...characteristics used for the operation of the machines 1 Environment Environment as classified in EN 60364 corresponds to IEC 60364 Outdoor installation Ambient temperature range from 20 C to 55 C Alt...

Page 26: ...at full load and nominal voltage 86 1 88 6 88 6 90 1 91 3 91 3 1 Nominal efficiency at 75 rated load and nominal voltage 86 3 88 5 88 5 89 7 91 4 91 4 1 Nominal efficiency at 50 rated load and nominal...

Page 27: ...lator switch are designed for the number and type of wires listed in column 2 of the table on the next page The calculations are based on the maximum machine current see electrical data tables The cal...

Page 28: ...LPE Cu 904 2 x 240 2 x 185 205 XLPE Cu Not compatible 902 2 x 240 2 x 185 205 XLPE Cu Not compatible 1002 4 x 300 2 x 240 205 XLPE Cu 4 x 185 320 XLPE Cu Circuits A and B C common routing 1112 2 x 240...

Page 29: ...culated as shown in the diagram For minimum chilled water flow rate 1 Evaporator 2 Recirculation 6 3 Maximum chilled water flow units without hydronic module The maximum chilled water flow is shown in...

Page 30: ...buffer tank Bad Bad Good Good 6 6 Maximum system water volume Units with hydronic module incorporate an expansion tank that limits the water volume The table below gives the maximum loop volume for pu...

Page 31: ...1 702 2 752 3 802 4 854 852 5 904 902 6 1002 7 1112 8 1212 9 1312 10 1382 11 1402 12 1502 13 1702 Water flow rate l s Pressure drop kPa 1 2 4 5 6 9 8 10 3 7 11 13 12 100 100 10 10 10 100 10 252 302 35...

Page 32: ...ible with the materials and the water circuit coating The use of different metals on hydraulic piping could generate eletrolytic pairs and consequently corrosion Verify then the need to install sacrif...

Page 33: ...tions 5 6 and 100A Nominal diameter in 5 6 6 6 6 6 8 5 8 5 6 6 Actual outside diameter mm 141 168 3 168 3 168 3 168 3 168 3 219 1 141 3 219 1 141 3 168 3 168 3 Option 100C Nominal diameter in 6 8 Actu...

Page 34: ...re of 10 K below the lowest temperature likely to occur at the installation site If the unit is not used for an extended period it is recommended to drain it and as a safety precaution add ethylene gl...

Page 35: ...required kPa abs Water flow rate l s 7 7 2 Net positive suction head NPSH required hydronic module option Size the hydronic circuit to ensure a net positive suction head that is higher than or equal...

Page 36: ...separator 5 Principal electronic expansion valve EXV 6 Pressure and temperature measurement to calculate the sub cooling upstream of the pump 7 Motorised two way bypass valve 8 Free cooling expansion...

Page 37: ...nit The sealing joints are in the control box The temperature sensors and the condenser flow switch are wired and fixed in the machine They must be installed as described in the chapter Condenser wate...

Page 38: ...eight distribution and centre of gravity coordinates please refer to the dimensional drawings If the installation includes several units or if this these is are close to walls please refer to chapters...

Page 39: ...weight distribution and centre of gravity coordinates please refer to the dimensional drawings If the installation includes several units or if this these is are close to walls please refer to chapte...

Page 40: ...and centre of gravity coordinates please refer to the dimensional drawings If the installation includes several units or if this these is are close to walls please refer to chapters 3 11 Multiple chi...

Page 41: ...enser Legend 1 Heat reclaim condenser 2 Entering water temperature sensor supplied 3 Leaving water temperature sensor supplied 4 Condenser water flow switch supplied 5 Three way valve not supplied 9 4...

Page 42: ...om heat exchange at the air condenser to heat exchange at the water condenser and vice versa is ensured by motorised two way valves located upstream of the air and water condensers Setpoint C Condense...

Page 43: ...eral Monitoring during operation re qualification re testing and re testing dispensation Follow the regulations on monitoring pressurised equipment It is normally required that the user or operator se...

Page 44: ...oling of the rest of the flow that penetrates the evaporator via the prin cipal EXV This permits increasing the cooling capacity of the system as well as its efficiency 11 3 High pressure safety switc...

Page 45: ...on the compressor economiser discharge and suction lines ATTENTION The compressor suction valve must be used without pressure difference at the terminals If there is a pressure difference leak tightne...

Page 46: ...702 904 1 1 1 4 1 5 1 2 1 3 1 6 2 3 2 6 2 2 2 5 2 1 2 4 1 1 1 5 1 6 1 2 1 3 1 7 1 4 1 8 2 6 2 2 2 5 2 1 2 4 2 3 30XA 1112 1 1 1 5 1 6 1 2 1 3 1 7 1 4 1 8 2 7 2 5 2 8 2 4 2 7 2 5 2 3 2 2 2 6 2 1 2 6 3...

Page 47: ...pplementary water outlet temperature sensor kit to be field installed allowing master slave operation of two units connected in parallel Optimised operation of two chillers connected in parallel with...

Page 48: ...insulation of the evaporator entering leaving refrigerant lines with flexible anti UV insulant Prevents condensation on the evaporator entering leaving refrigerant lines 252 1702 Low noise level 257 S...

Page 49: ...ntion on the refrigerant circuit handling refrigerant Changing of parameters set at the factory application change Removal or dismantling of the HVAC unit Any intervention due to a missed established...

Page 50: ...l 6 1 Torque application to tighten the lug 2 Avoid contact between the two nuts 3 Lug tightening nut 4 Flat lug 5 Counter nut 6 Terminal tightening nut 7 Isolator 13 5 Tightening torques for the main...

Page 51: ...the coil surface or wedged between the chassis and the supports Provide personal protection equipment including safety glasses and or a face mask waterproof clothing and safety gloves It is recommend...

Page 52: ...sure drop across the filter can be determined by measuring the pressure at the filter service port and the oil pressure port The difference in these two pressures will be the pressure drop across the...

Page 53: ...g has been sized and installed properly Unit ground wire has been connected Electrical circuit protection has been sized and installed properly All terminals are tight All chilled water valves are ope...

Page 54: ...he chiller is not switched on until corrective measures have been taken Check cooler water loop Water loop volume litres Calculated volume litres 3 25 litres nominal kW capacity for air conditioning 6...

Page 55: ......

Page 56: ...es order No 13452 76 12 2014 Manufacturer Carrier SCS Montluel France Manufacturer reserves the right to change any product specifications without notice Printed in the European Union www eurovent cer...

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