Carrier 30GN040-420 operating instructions Installation, 4 In/4 Out Module SIO

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LEGEND

COMM Ð Communications Bus

PWR Ð Power

Fig. 22 Ð 4 In/4 Out Module (SIO)

If accessory unloaders are desired, an accessory unloader package is used. Package includes a suction cutoff unloader head package. The 24-v coil in the package can be used for 040-110, 130 (60 Hz), and associated modular units (Table 1). A 115 v or 230 v coil must be used for 130 (50 Hz), 150-210, and associated modular units (Table 1). Coil voltage depends on control circuit voltage. Consult cur- rent Carrier price pages for appropriate part numbers.

NOTE: The accessory package will include all necessary com-

ponents and wiring with the following exceptions: The ®eld must provide screws, and on the 130-210, and associated modu- lar units, the ®eld must also supply a 20 vdc (part number HK35AB001) unloader relay and wire (90° C or equivalent).

Installation

1.Be sure all electrical disconnects are open and tagged be- fore any work begins. Inspect the package contents for any damage during shipping. File a claim with the ship- per if damage has occurred.

2.For ease of installation, factory-supplied wiring for the additional unloader is provided in the compressor harness.

3.Install the additional unloader cylinder head on the lead compressor, A1 or B1, according to instructions provided by the compressor manufacturer in the accessory package.

4.Continue installation per either 040-110, 130 (60 Hz) units or 130 (50 Hz), 150-210 units section as appropriate.

040-110, 130 (60 Hz) UNITS (And Associated Modular Units)

1.Wire the solenoid before any ®eld wiring begins. Wiring between components and control box must be enclosed in conduit. All local electrical codes and National Elec- trical Code (NEC) must be followed. Factory wires are provided in the compressor harness to connect the sole- noid. These wires are in the compressor control box.

2.Wire the control side. Open the left side control box door and remove inner panel. Using the holes provided and ®eld-supplied screws, install ®eld-supplied transformer above the DSIO-LV on the control panel.

Wire the primary side of the transformer in parallel with TRAN4. See Fig. 23. This supplies transformer with proper line voltage. Be sure to connect proper tap of the trans- former to ensure supply of proper secondary voltage.

Wire the secondary side of transformer to DSIO-LV - J5-9, and a jumper from DSIO-LV - J5-9 to DSIO-LV - J4-9. Wire the secondary common to TB7-2. Connect the trans- former ground to ground hole supplied near the trans- former. These connections provide DSIO with necessary power to energize the solenoid coils.

3.When all connections are made, check for proper wiring and tight connections. Replace and secure inner panel. Restore power to unit.

4.Con®gure the processor. With the addition of extra un- loaders, the unit con®guration has changed. To change the con®guration of the processor, enter the service func- tion using the keypad and display module. Before any changes can be made, the LOCAL/ENABLE-STOP- CCN switch must be in the STOP position, and the ser- vicer must log on to the processor.

a.Press . Keypad LCD displays the word

PASSWORD.

b.Enter . Keypad LCD displays

LOGGEDON.

c.To change con®guration, press . Keypad LCD displays FLD CFG.

d.If an additional unloader was added to compressor

A1, press until NULA 1 appears in keypad dis-

play. Press for the number of unloaders on circuit A. Keypad display now reads NULA 2.

e.If an additional unloader was added to compressor

B1, press until NULB 1 appears in keypad dis-

play. Press for the number of unloaders on circuit B. Keypad display now reads NULB 2.

f.When con®guration is complete, press . Key-

pad display reads LOGGEDON. Press until key-

pad display reads LOG OFF. Press . Keypad dis- play reads EXIT LOG.

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Contents Controls, Operation, Troubleshooting Tons Unit 30GN Unit Sizes and Modular CombinationsUnit Model Nominal Section a Section B 30GN Control Panel 040-110 Unit Shown LOCAL/ENABLE LOCAL/ENABLE-STOP-CCN Switch Positions and OperationKeypad and Display Module Also Called Hsio StopThermistor and Transducer Locations Compressor Protection Control Module CpcsThermistors Pressure TransducersSteps Ð Capacity Control StepsLoading Sequence a Loading Sequence B Unit Control Ð Capacity Control Steps, 040-070 Ð Capacity Control Steps, 040-070 A1²,B1² Displacement Compressors Approx 080, 230B 60 HzA1²**, B1² A1²**,B1²090, 245B 50 Hz Compressors Displacement090, 245B 60 Hz 270B 60 Hz 100, 255B270B 50 Hz Unit Control Loading Sequence a Loading Sequence B315B 50 Hz 110, 290B315B 60 Hz A1*,A2,B1 A1,A2,B1 A1²²,A2,B1,B2 A1*,A2,B1,B2 130 60 Hz 150, 230A, 245A 130 50 HzA1,kB1 330A/B 60 Hz 170, 270A330A/B,360B 50 Hz 330A/B, 360B 50 Hz 390B 60 Hz Approx 190, 290A, 360A/BA1,B1 A1**,B1420A/B 60 Hz 210, 315A, 390A420A/B 50 Hz Pumpout Head Pressure ControlFAN Arrangement FAN Numbers FAN Contactor Controlled by Condenser Fan SequenceFunctions and Subfunctions Keypad and Display Module UsageFunction USE Keys Operative USE KeysKeypad Directory Accessing Functions and SubfunctionsKeypad Directory Status TemperatureSubfunction Keypad Entry Display Comment Stage SET PointAnalog Subfunction Keypad Entry Display Comment PressureInputs OutputsSubfunction Keypad Entry Display Comment Outputs Subfunction Keypad Entry Display CommentSubfunction Keypad Entry Display Comment Compressors Unloaders CPA1Keypad Directory Test Keypad Directory Schedule Configuration Keypad Directory ServiceService Subfunction Keypad Entry Display Comment FactorySubfunction Keypad Entry Display Comment RUN Time ALARM/ALERTStarts HISTORY²²Subfunction Keypad Entry Display Comment SET Points Reset SET PointsDemand SET Points Date and TimeKeypad Display Comments Entry Response Example 1 Ð Reading Alarm CodesExample 2 Ð Reading Current Operating Modes Operational and Mode Display Codes Reset Set Points Example 3 Ð Using Test FunctionReset Amounts Example 5A Ð External ResetExample 4 Ð Reading and Changing Chilled Fluid Set Point Measurement Method Input Data DescriptionKeypad Display Comments Entry Response Example 5C Ð Using Return Fluid Temperature ResetSwitch PowerComm Ð Communications Bus PWRPassword Service FunctionsSUB Keypad Display Comment LoggedonExample 8 Ð Setting Time of Day Day of Week To Disable Demand Limit4-20 mA Demand Limiting Factory Conguration Keystrokes Adjustable Field CongurationsKeypad Display Comment Entry Example 9 Ð Using the Schedule FunctionProgramming Period Keypad Display Comment Entry Programming PeriodEnter Display Example 10 Ð Holiday Schedule FunctionStop position. Unit cannot start if these contacts are Typical Stoppage Faults and Reset TypesLOCAL/ENABLE-STOP-CCN Alarm and Alert CodesWSM CpcsFSM DGT COM, CommDsio HPSComm CGF Subfunction. Groups Electronic Expansion Valve EXV EXV Cable Connections to EXV Driver Module, Dsio EXV Thermistor Replacement T1, T2, T7, T8 Temperature Voltage Resistance Drop Ohms Temperature Voltage Resistance Drop Thermistor and Pressure Transducer Locations Thermistor Locations Circuits a and B, Lead Compressor Only Lead Compressor Transducer and Thermistor Locations Control Modules Module Address Selector Switch LocationsAccessory Unloader Installation 4 In/4 Out Module SIO InstallationStandard and Accessory Unloaders TroubleshootingPage ²Or HGBPR-B Or HGBPR-AHgbpr Ð COMOutdoor-Air Temperature Externally PoweredCWP Ð Chilled Water Fluid Pump TB Ð Terminal BlockInterlocks Remote AlarmPage Copyright 1995 Carrier Corporation

30GN040-420 specifications

The Carrier 30GN040-420 is a well-regarded model within the industry of chillers, designed to deliver efficient cooling solutions for a variety of commercial applications. Its compact design and advanced technology make it an ideal choice for businesses looking to optimize their HVAC systems.

One of the standout features of the Carrier 30GN series is its flexibility. This chiller model is available in a range of capacities, specifically from 40 to 420 tons, allowing for customized solutions based on specific cooling demands. Such versatility enables this unit to cater to a broad array of installations, from small commercial spaces to larger industrial facilities.

The Carrier 30GN040-420 utilizes a scroll compressor design, known for its reliability and efficiency. The scroll technology allows for a reduction in the number of moving parts, resulting in lower maintenance costs and increased durability. Additionally, the unit operates with environmentally friendly refrigerants such as R-410A, promoting sustainability without compromising performance.

Energy efficiency is another significant aspect of this model. The 30GN series is designed to provide high energy efficiency ratios (EER), which translates to lower operational costs for users over the lifespan of the unit. This is particularly beneficial in an era where energy costs are consistently rising.

The advanced controls found within the Carrier 30GN040-420 further enhance its performance and ease of use. The unit is equipped with a microprocessor-based control system that allows for precise temperature management while providing valuable diagnostic information. This feature not only improves the overall reliability of the system but also facilitates proactive maintenance, reducing the risk of unscheduled downtime.

Moreover, the design of the Carrier 30GN040-420 emphasizes quiet operation, making it suitable for environments where noise levels must be minimized. This characteristic is critical for applications in hospitals, schools, or office buildings, where a peaceful atmosphere is essential.

In summary, the Carrier 30GN040-420 chiller provides a robust solution for businesses requiring dependable and efficient cooling. Its features, including flexible capacity options, reliable scroll compressors, energy-efficient performance, advanced controls, and quiet operation, position it as a top choice for various commercial and industrial applications. As technology continues to evolve, models such as the 30GN series remain at the forefront, meeting the demands of modern HVAC needs while ensuring sustainability and efficiency.
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