APC ACRD101, ACRD100 manual Charging With Refrigerant, Calculating R410A charge

Page 15

Charging With Refrigerant

Calculating R410A charge

Use the following table and formula when calculating the total R410A charge.

 

Selected

Condenser

Condenser flooded charge in kg (lb) for different

 

 

minimum outdoor ambient temperatures

 

Condenser

ambient

summer

 

-7°C

 

-29°C

-40°C

temp. in

charge in

4°C (40°F)

-18°C (0°F)

model

°C (°F)

kg (lb)

(20°F)

(-20°F)

(-40°F)

 

 

 

 

 

 

 

 

 

 

ACCD75214

35

(95)

2.2 (4.9)

5.48 (12.1)

5.85

(12.9)

6.03 (13.3)

6.17 (13.6)

6.30 (13.9)

 

 

 

 

 

 

 

 

 

 

ACCD75214

40

(105)

2.2 (4.9)

5.48 (12.1)

5.85

(12.9)

6.03 (13.3)

6.17 (13.6)

6.30 (13.9)

 

 

 

 

 

 

 

 

 

 

ACCD75215

46

(115)

3.85

(8.5)

9.57 (21.1)

10.16 (22.4)

10.48 (23.1)

10.70 (23.6)

10.93 (24.1)

 

 

 

 

 

 

 

 

 

 

 

ACCD75216

35

(95)

1.36

(3)

3.08 (6.8)

3.26

(7.2)

3.36 (7.4)

3.45 (7.6)

3.49 (7.7)

 

 

 

 

 

 

 

 

 

 

 

ACCD75218,

40

(105)

1.36

(3)

3.08 (6.8)

3.26

(7.2)

3.36 (7.4)

3.45 (7.6)

3.49 (7.7)

ACCD75220*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ACCD75217,

46

(115)

2.27(5)

6.12 (13.5)

6.53 (14.4)

6.71 (14.8)

6.89 (15.2)

7.03 (15.5)

ACCD75219

 

 

 

 

 

 

 

 

 

 

* ACCD75220 is CCC certified for use in China.

 

Type of fitting or valve - Equivalent length of pipe in m (ft)

 

ACR pipe size (OD)

Gate valve

Standard elbow 90 °

Reduced coupling

Side outlet T Angle valve

 

 

 

 

 

 

1/2 in

0.18 (0.6)

0.43 (1.4)

0.43 (1.4)

0.82 (2.7)

1.83 (6.0)

5/8 in

0.21 (0.7)

0.49 (1.6)

0.49 (1.6)

0.91 (3.0)

2.13 (7.0)

 

 

Recommended Line Sizes

 

 

 

 

Equivalent length m (ft)

Line Type

Air-cooled ACRD units

15

(50)

Discharge line (horizontal)

5/8 inOD ACR

Discharge line (vertical)

1/2 in OD ACR

 

 

Liquid line

1/2 in OD ACR

30

(100)

Discharge line (horizontal)

5/8 inOD ACR

Discharge line (vertical)

1/2 in OD ACR

 

 

Liquid line

1/2 in OD ACR

16

(150)

Discharge line (horizontal)

5/8 inOD ACR

Discharge line (vertical)

1/2 in OD ACR

 

 

Liquid line

1/2 in OD ACR

Note: All refrigerant pipes must be straight ACR to have 39 bar (565 psig) or above MWP. Equivalent length of 1/2 in OD discharge line pipe should be kept less than 18 m (60 ft). Total equivalent length of the discharge line should be less than 46 m (150 ft) to prevent excessive hot gas pressure drop which can increase the discharge pressure during hot summer days. To have 61 m (200 ft) total equivalent discharge pipe length the load must be reduced by 5%.

Total charge = Equipment charge + condenser summer charge + condenser flooded charge (for minimum possible ambient temperature) + liquid R410A in liquid pipe

Equipment charge: 1.6 kg (3.5 lb)

InRow RD 10 kW Air Cooled Operation and Maintenance

7

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Contents Operation and Maintenance 동봉된 CD 안에 한국어 매뉴얼이 있습니다 American Power Conversion Legal Disclaimer Page Contents Cooling Group Configuration Network Management Card Page Symbols used in this manual Cross-reference symbol used in this manualOverview Safety Inspection Checklists Initial inspection checklistEnsure that Electrical inspection checklist Ensure that Mechanical inspection checklistWhile the cooling unit is operating, ensure that User interface inspection checklistStart-up inspection checklist Final inspection checklistCalculating R410A charge Charging With RefrigerantInRow RD 10 kW Air Cooled Operation and Maintenance Charging the equipment Compressor Oil Charge Oil charging procedureInRow RD 10 kW Air Cooled Operation and Maintenance Display Interface OperationMain menu screens Using the Display InterfaceScrolling status screens Status Screen Name Status Information DisplayedNavigating the sub-menus Navigating the main menuUsing the Path statement Password entryStart the cooling unit General Configuration Cooling unit configurationStop the cooling unit View the state of input and output contacts Cooling Group ConfigurationConfigure the cooling group ContactsIdentify the cooling unit Configure ModbusSetpoints Control the EnvironmentPID settings Loop Behavior PID Tuning Correction Tune the PID loopControl Method Proportional Integral Derivative Service intervals Run hoursThresholds Date and time Password and time-outDisplay units Adjust display settingsConfigure network Network ConfigurationCooling unit status View Status ReadingsAbout the cooling unit Cooling group statusEvent Log View the event logClear the event log Alarm messages and suggested actions Respond to AlarmsView active alarms Clear active alarmsThreshlds screen Configure Unit Discrete I/O screen. See page 17 for more Quick Configuration TCP/IP configuration methodsOverview APC Device IP Configuration Wizard Bootp & Dhcp configurationIni file utility NetworkTCP/IPBoot ModeDHCP onlyAdvancedDHCP Cookie Is Remote access to the control console Local access to the control consoleChoose Network from the Control Console menu Control consoleWeb interface Access a Configured Network Management CardTelnet and SSH Modbus Simple Network Management Protocol SnmpRecover From a Lost Password Monthly Preventive Maintenance CleanlinessEnvironment Electrical MechanicalFunctional tests Semi-Annual Preventive MaintenanceProblem Possible Cause Corrective Action TroubleshootingCorrective Action Problem Possible CausePage Page 990-3212A-001 11/2009 APC Worldwide Customer Support