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
Page 35
Image 35
Carrier 040-420 specifications Keypad Directory cant Service cord
Page 34 Page 36

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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