Table 9 — Service Test Mode and Sub-Mode Directory

SUB-MODE

 

KEYPAD

ITEM

RANGE

ITEM EXPANSION

COMMENT

 

ENTRY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TEST

 

 

 

ENTER

 

TEST

OFF-ON

SERVICE TEST MODE

Use to Enable/Disable Manual Mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTS

 

 

 

ENTER

 

LLS.A

OPEN-CLSE

LIQ. LINE SOLENOID VALVE

TXV units only

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EXV.A

0 - 100%

EXV % OPEN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LLS.B

OPEN-CLSE

LIQ. LINE SOLENOID VALVE

TXV units only

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EXV.B

0 - 100%

EXV % OPEN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FAN1

OFF-ON

FAN 1 RELAY

Fan 3: (040-050)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fans 3, 4: (060-110, 230B-315B)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fans 1, 2: (130 [60 Hz])

 

 

 

 

 

 

 

 

 

 

Fans 1: (130 [50 Hz], 150, 170,

 

 

 

 

 

 

 

 

 

 

230A-270A, 330A/B, 360B [50 Hz])

 

 

 

 

 

 

 

 

 

 

Fans 1, 11: (190-210, 290A, 315A,

 

 

 

 

 

 

 

 

 

 

360A, 360B [60 Hz], 390A/B-420A/B)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FAN2

OFF-ON

FAN 2 RELAY

Fan 4: (040-050)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fans 5, 6: (060-090, 230B-245B)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fans 5, 6, 7, 8: (100, 110, 255B-315B)

 

 

 

 

 

 

 

 

 

 

Fans 3, 4, 9, 10: (130 [60 Hz])

 

 

 

 

 

 

 

 

 

 

Fan 2: (130 [50 Hz], 150, 170,

 

 

 

 

 

 

 

 

 

 

230A-270A, 330A/B, 360B [50 Hz])

 

 

 

 

 

 

 

 

 

 

Fans 2, 12: (190-210, 290A, 315A,

 

 

 

 

 

 

 

 

 

 

360A, 360B [60 Hz], 390A/B-420A/B)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FAN3

OFF-ON

FAN 3 RELAY

Fans 3, 9: (130 [50 Hz], 150-210,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

230A-315A, 330A/B-420A/B)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FAN4

OFF-ON

FAN 4 RELAY

Fans 4, 10: (130 [50 Hz], 150-210,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

230A-315A, 330A/B-420A/B)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CLR.P

OFF-ON

COOLER PUMP RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CND.P

OFF-ON

CONDENSER PUMP RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RMT.A

OFF-ON

REMOTE ALARM RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COMP

 

 

 

ENTER

 

CC.A1

OFF-ON

COMPRESSOR A1 RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CC.A2

OFF-ON

COMPRESSOR A2 RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CC.A3

OFF-ON

COMPRESSOR A3 RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CC.A4

OFF-ON

COMPRESSOR A4 RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UL.A1

OFF-ON

UNLOADER A1 RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UL.A2

OFF-ON

UNLOADER A2 RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HGBP

OFF-ON

HOT GAS BYPASS RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CC.B1

OFF-ON

COMPRESSOR B1 RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CC.B2

OFF-ON

COMPRESSOR B2 RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CC.B3

OFF-ON

COMPRESSOR B3 RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CC.B4

OFF-ON

COMPRESSOR B4 RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UL.B1

OFF-ON

UNLOADER B1 RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UL.B2

OFF-ON

UNLOADER B2 RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LEGEND

 

 

 

 

 

 

 

 

 

EXV — Electronic Expansion Valve

32

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Carrier Air Conditioner Service Test Mode and Sub-Mode Directory, SUB-MODE Keypad Range Item Expansion Comment Entry Test
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Air Conditioner specifications

Carrier Air Conditioners have long been synonymous with reliability and innovation in climate control. Founded by Willis Carrier, the inventor of modern air conditioning, the brand has continuously set industry standards through state-of-the-art technologies and features designed to enhance indoor comfort.

One of the standout features of Carrier air conditioners is their energy efficiency. Many models are equipped with advanced inverter technology, allowing the compressor to adjust its speed based on the cooling demand. This results in decreased energy consumption, which not only reduces utility bills but also lessens the environmental impact. Recognizing the importance of sustainable practices, Carrier has integrated eco-friendly refrigerants into their systems, further promoting energy-efficient operations.

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The smart technology featured in Carrier air conditioners plays a key role in modern convenience. Many units are compatible with smart home systems, allowing users to control settings remotely via smartphones or voice-activated devices. With features like programmable thermostats, users can easily set cooling schedules to match their lifestyle, ensuring comfort while maximizing energy savings.

Durability and noise reduction are also central to the Carrier brand. Many models are designed with sound-dampening features, making them some of the quietest units on the market. This is particularly advantageous for residential use, where noise can disrupt daily activities and sleep.

In terms of design, Carrier air conditioners come in various styles and capacities to suit a wide range of spaces, from compact apartment units to large central systems for sprawling homes. Their extensive warranty and service offerings further reinforce Carrier’s commitment to customer satisfaction.

In conclusion, Carrier air conditioners represent a perfect blend of cutting-edge technology, energy efficiency, and user comfort. Their emphasis on sustainability and smart features positions them as a leading choice for homeowners seeking reliable and innovative climate control solutions. Whether for cooling a small room or an entire house, Carrier remains a trusted name in air conditioning.
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