Carrier 40MKCB**C/24AHA4 User Manual

Installation Instructions
40MKCB**C/24AHA4
40MKCB**C/124ANS
40MKQB**C/25HHA4
40MKQB**C/224ANS
Cassette Ductless Split
Sizes 18 to 34
Fig. 1 -- Indoor Unit, Outdoor Unit, and Remote Control
NOTE: Read the entire instruction manual before starting the
installation.
TABLE OF CONTENTS
SAFETY CONSIDERATIONS 1
PARTS LIST 2
DIMENSIONS -- INDOOR 4
DIMENSIONS -- OUTDOOR 5
CLEARANCES -- INDOOR 7
CLEARANCES -- OUTDOOR 7
SYSTEM REQUIREMENTS 7
INSTALLATION 9
INSTALL INDOOR UNIT 9
INSTALL OUTDOOR UNIT 12
ELECTRICAL DATA 16
START--UP 20
TROUBLESHOOTING 23
!
WARNING
UNIT OPERATION AND SAFETY HAZARD
Failure to follow this warning could result in personal injury or
equipment damage.
Puron refrigerant systems operate at higher pressures than
standard R --22 systems. To avoid damage to the unit or
possible personal injury, do not use R --22 service equipment or
components on Puron refrigerant equipment.
SAFETY CONSIDERATIONS
Improper installation, adjustment, alteration, service, maintenance,
or use can cause explosion, fire, electrical shock, or other
conditions which may cause death, personal injury, or property
damage. Consult a qualified installer, service agency, or your
distributor or branch for information or assistance. The qualified
installer or agency must use factory--authorized kits or accessories
when modifying this product. Refer to the individual instructions
packaged with the kits or accessories when installing.
Follow all safety codes. W ear safety glasses, protective clothing, and
wor k glove s. Use quenching cloth for bra zing operations . Have a fi re
extingui sher avail able. Rea d these instructions thor oughl y and foll ow
all warnings or cautions included in the unit literature and on labels
attached to the unit . Consul t loc al buil ding codes and cur rent edi tions
of the Na t ional Electric al Code ( NEC ) NFPA 70. In Canada, re fer to
current editions of the Canadian electrical code CSA 22.1.
Recognize safety informati on. This is the safety--al ert symbol
!
!
Whe n you see thi s symbol on the unit and in instructions or manua ls,
be alert to the potential for per sonal injur y. Understand these signal
words; DANGER, WARNING,andCAUTION. These words are
used with the safety--alert symbol. DANGER identifies the most
serious hazards which will re sult in severe personal inj ury or de ath.
WARNING signifies hazards which could result in persona l injury or
death. CAUTION is used to identify unsafe practices which may
result in minor per sonal inj ur y or product a nd propert y da mage.

Carrier 40MKCB**C/24AHA4 Specifications

General

Brand	Carrier
Model	40MKCB**C/24AHA4
Category	Air Conditioner
Language	English

Summary

SAFETY CONSIDERATIONS

UNIT OPERATION AND SAFETY HAZARD

Details hazards related to unit operation and safety.

PARTS LIST

REFRIGERANT AND OPERATIONAL DATA

Refrigerant Charge

Details the amount of refrigerant required for the system.

Communication Wiring

Guidelines for connecting communication wires between units.

INSTALLATION

Complete Pre-installation Checks

INSTALL INDOOR UNIT

Detailed instructions for installing the indoor unit.

TXV Installation

Install Suspension Bolts

Hanging the Indoor Unit

Install the Drain Pipe

INSTALL OUTDOOR UNIT

Complete Outdoor Refrigerant Connections

Run Power Wiring for Indoor Unit

Power Wiring

Complete Outdoor Power and Control Wiring

Control Wiring

ELECTRICAL DATA

OUTDOOR UNIT SCHEMATIC DIAGRAM

40MKCB**C Wiring Diagram

40MKQB**C Wiring Diagram

25HHA4/224ANS Wiring Diagram

Install All Power, Interconnecting Wiring, Piping and Drain Hose to Indoor Unit

Complete all refrigerant piping connections

START-UP

Preliminary Checks

Evacuate and Dehydrate the System

Procedure for evacuating and dehydrating the refrigerant system.

Using Vacuum Pump

Detailed steps for using a vacuum pump for system evacuation.

Deep Vacuum Method

Explanation of the deep vacuum method for system dehydration.

Test Operation For CASSETTE

Triple Evacuation Method

Procedure for triple evacuation method in specific conditions.

Drainage Test

Pump-down Procedure

Refrigerant Charging

TROUBLESHOOTING

Fault code

Explanation of diagnostic fault codes displayed by the unit.

Using the Emergency Button