Carrier 040-420 specifications Keypad Directory cant Service cord

Page 35

Table 9 - Keypad Directory (cant)

SERVICE (cord)

The next 3 subfunctions provide the ability to modify configurations Refer to separate Installation, Start-Up, and Service Instructions supplied with unit for further information o n changing configurations.

To change a configuration, enter the new configuration and press 4 while on the correct configuration.

F.-’

I’ i. j, Fc,s;B,:

SUBFUNCTiON

KEYPAD ENTRY

3FACTORY CONFIGURATION

Clt

4FIELD CONFIGURATION

Cltt

c c[Itt

clt ct l 0t qtt

0t

at Clt cl

cqttl clt c+ l Cl+ Clt

5 SERVICE

p-&q

 

CONFIGURATION

t

 

 

cl

 

ct l

 

t

 

Cl

 

ct l

 

ct l

 

ct l

 

c+ l

 

qt

 

c•t

DISPLAY

 

 

 

 

 

COMMENT

 

 

 

 

FACT CFG

Factory Configuration Codes

 

xxx x x x x x

Configuration

Code

1

 

xxx x x x x x

Configuration

Code

2

 

xxx x x x x x

Configuration

Code

3

 

xxx x x x x x

Configuration

Code

4

 

xxx x x x x x

Configuration

Code

5

 

xxx x x x x x

Configuration

Code

6

 

 

 

 

 

 

FLD CFG

Adjustable

Field

Configuration

 

EN0 X

CCN Element Address

 

BUS X

CCN Bus Number

 

 

BAUD X

CCN Baud Rate

 

 

FLUID X

Cooler

Fluid

Select

 

 

UNITS X

Display Unit Select

 

 

LANG X

Display

Language

Select

 

NULA X

No Circuit A Unloaders

 

NULB X

No. Circuit B Unloaders

 

HGB X

Hot Gas Bypass Select

 

S E Q T

X

Loading

 

Sequence

Select

 

SEQF X

Lead/Lag

Sequence

Select

 

OPS

x

Oil Pressure Switch Select

 

HEADM X

Head Pressure Control Method

 

M M X

 

Motormaster@

Select

 

CSPTYP X

Cooling Set Point Control Select

 

CRTYP X

Cooling Reset Control Select

 

ERTYP X

External Reset Sensor Select

 

L S T Y P X

Demand

Limit

Control Select

 

RAMP X

Ramp

 

Load

Select

 

 

LOCK X

Cooler Pump Interlock Select

 

CPC

x

Cooler Pump Control Select

 

 

 

 

SRV CFG

Service Configurations

 

xxx x x x x x

Configuration

Code

7

 

xxx x x x x x

Configuration

Code

8

 

REFRIG X

Refrigerant

 

 

 

 

T D T Y P X

Pressure Transducer Select

 

OPS

x

Oil Transducer Set Point

 

LPS x

Low Pressure Set Point

 

FANTYP X

Fan

Staging

Select

 

 

SH X

 

EXV

Superheat

Set

Point

 

M O P X

EXV

MOP Set

Point

 

 

 

 

 

 

 

 

 

 

 

3 5

Page 34 Page 36
Image 35
Page 34 Page 36
Contents Contrc Unit Model Unit Sizes and Modular CombinationsField Keypaddisplay Ground Fault InterrupterSource PSI RELAY, BThermistors LOCAL/ENABLE-STOP-CCN Switch Positions and OperationCompressor Protection Control Module Cpcs Thermistor and Transducer LocationsSteps CapacityControl Steps Loading Sequence a Loading Sequence B Unit ControlLoading Sequence a Loading Sequence B Unit Capacity Control Steps, 040-070 cant060A\~**Hz FBI Capacity Control Steps, 040-070 cantOy&ya A4l&pi’ Aiti08Aqy,y BP’ StepsLoading Loading Sequence B Unit Control Loading Sequence a Loading Equence B Unit Altt BittWtf2Z$’ Altt$-t&Z3 Amrox’tt Alt,Blv Displacement Compressors UWrW Arwox A2.p $#l 110 50 HzLoading Sequence a Quence B Unit Control Equence B Displacement Compressors MvroxLoading Equence a 130, 240A Awrox Drt,t130, 24OA 130,24OALoading Equence a Unit Attll’Loading Sequence a Sequence B Unit A2.pT3g $$V Control Size Steps LOAD11Loadin Sequence B Unit Al% Al’,BI Displacement Compressors UVvW PWprox8514w B2,B3Loading Sequence B Unit Loac \IG Sequence a Loading Sequence B Unit 30GT Displacement Compressors AwoxCapacity Control Steps, 225, 250,280 30GT Capacity Control Steps, 225, 250,280 cantLoac Loading Sequence B Unit Control Capacity Control Steps, 225, 250, 280 cant250 1G Sequence aFAN Arrangement FAN Numbers Contactor Controlled Condenser Fan Sequence30GT250 60 Hz Condenser Fan Sequence cantFAN Arrangement FAN Numbers ~jACToRKeypad and Display Module Usage Keypad and Display Module Also Called HsioOperation Keypad Display Description Entry Response Accessing Functions and SubfunctionsFunctions and Subfunctions FunctionsKeypad Directory Analog Keypad Directory cant Status cantSubfunction Keypadentry Display Comment PressureHgbra Subfunction Outputs DisplaySubfunction Keypad Entry Display Comment Outputs OutputsQzq Keypad Directory cant Test cantSubfunction Keypad Entry Display Comment Override Clock SelectKeypad Directory Schedule cant Keypad Directory cant Service cord Keypad Directory cant Operationat and Mode Display Codes Example 1 Reading Alarm CodesKeypad Display Local on Cool Alarms Modes Local on M O D EExample 2 Reading Current Operating Modes Keypad Display Comments Entry Response Example 3 Using Test FunctionExample 4 Reading and Changing Chilled Water Set Point Crsti Example 5 Using Return Water Temperature ResetKeypad Display Comments CRST2Reset Reference Temperature Outdoor AIR 1OR Space Temp Example 6 Changing Reset TypeEKE Ppiq Keypad Display Entry ResponseFLD CFG Ertyp Lstyp Demand MAX Demand Kimax = Example 8 Setting Time of Day Day of WeekDemand Limiting Adjustable Field Configurations Factory Configuration KeystrokesDisplay Example 9 Using the Schedule FunctionExample 10 Holiday Schedule Function Example 9 Using the Schedule Function cantComplete Unit Stoppage Complete unit stop Typical Stoppage Faults and Reset TypesAction Taken Probable Cause N T R O L Alarm CodesPage Page R ’ S ’ SlTnanz SNB SwitchCGF Compressor Contactor RelayFig. IOD 24-V Safety Circuit Wiring 225, 250, and 280 Units Electronil c Expansion Valve EXV Page Thermistor and Pressure Transducer Locations Associated Modular Units Refrigerant Temperature Sensor T7, T8 040-210Suction Pressure Transducer 2i.b Voltage Resistance Drop Voltage DropLine Transducer Each Compressor Equalizer OIL Pressure Suction Pressure Sight GlassPSIO, SIO Address Selector Control ModulesProcessor Module Psio Sensor Bus Wiring CommunicationsComm Troubleshooting Circuit Circuit B Or2 30GN190-210 3OGT225,250,280 Standard and Accessory Unloaders1NO. of Accessory 080-110 SO/SO Hz and 130 60 Hz Accessory Unloader Control WiringTLN HgbprSTAGE2 Contactor Switch Circuit Breaker TransformerLmyTEF4 ModuleElJ7-16 ModuleJ7-15 ThermistorRemote Dual Set Point Control InstallationPage Page Copyright 1994 Carrier Corporation

040-420 specifications

The Carrier 040-420 is a highly regarded commercial HVAC unit specifically designed for efficient heating and cooling in medium- to large-sized buildings. Known for its reliability and advanced technology, this system is ideal for a variety of applications ranging from offices to industrial spaces.

One of the main features of the Carrier 040-420 is its energy efficiency. The unit utilizes advanced compressors and a high-efficiency heat exchanger, which work together to minimize energy consumption while maximizing performance. This is crucial in today’s energy-conscious environment, as businesses strive to reduce operational costs and their carbon footprint. The unit also boasts a high SEER (Seasonal Energy Efficiency Ratio) rating, making it an attractive option for those looking to lower their utility bills.

Equipped with advanced inverter-driven technology, the Carrier 040-420 allows for precise control of indoor climate conditions. This means that the system can adjust its output according to the actual cooling or heating demand of the space, resulting in enhanced comfort and reduced energy waste. The inverter technology also contributes to quieter operation, allowing for a more pleasant indoor environment.

Another feature that sets the Carrier 040-420 apart is its smart controls. The unit can be integrated with Carrier’s Building Automation Systems, enabling remote monitoring and management. This allows facility managers to optimize energy use and immediately respond to any performance issues. Additionally, the unit is compatible with various control interfaces, making it easy for users to adjust settings or schedule operations according to the building's occupancy patterns.

The robust design of the Carrier 040-420 ensures longevity and durability, even in harsh environmental conditions. Its weatherproof casing protects the internal components, enhancing the unit's performance and reliability over time. Maintenance is simplified with accessible design features, allowing technicians to conduct service checks and repairs without extensive downtime.

Overall, the Carrier 040-420 stands out as a modern HVAC solution that combines energy efficiency, advanced technologies, and user-friendly features. Its commitment to performance and sustainability makes it an ideal choice for businesses looking to enhance comfort while being mindful of their energy consumption. With its blend of innovation and reliability, the Carrier 040-420 continues to be a preferred option in the commercial HVAC market.
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