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Carrier 40KMC Series User Manual

Carrier 40KMC Series
28 pages
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Installation Instructions
40KMC, KMQ Unit
38HDF/QRF Unit
NOTE: Read the entire instruction manual before starting the
installation,
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. Wear safety glasses, protective clothing,
and work gloves. Use quenching cloth for brazing operations.
Have fire extinguisher available. Read these instructions
thoroughly and follow all warnings or cautions included in
literature and attached to the unit. Consult local building codes and
current editions of the National Electrical Code ( NEC ) NFPA 70.
In Canada, refer to current editions of the Canadian electrical code
CSA 22.1.
Recognize safety information. This is the safety-alert symbol/k
When you see this symbol on the unit and in instructions or
manuals, be alert to the potential for personal injury. Understand
these signal words; DANGER, WARNING, and CAUTION. These
words are used with the safety-alert symbol. DANGER identifies
the most serious hazards which will result in severe personal injury
or death. WARNING signifies hazards which could result in
personal injury or death. CAUTION is used to identify unsafe
practices which would result in minor personal injury or product
and property damage. NOTE is used to highlight suggestions
which will result in enhanced installation, reliability, or operation.
ELECTRICALSHOCK HAZARD
Failure to follow this warning could result in personal
injury or death.
Before installing, modifying, or servicing system, main
electrical disconnect switch must be in the OFF
position. There may be more than 1 disconnect switch.
Lock out and tag switch with a suitable warning label.
PERSONAL INJURY AND EQUIPMENT DAMAGE
HAZARD
Failure to follow this caution may result in personal injury
and / or equipment damage.
DO NOT operate the unit without a filter or with grille
removed.
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Carrier 40KMC Series Specifications

General IconGeneral
TypeDuctless Mini-Split
Phase1
Cooling Capacity9, 000 - 36, 000 BTU/h
Heating Seasonal Performance Factor (HSPF)Up to 10.0 (depending on model)
RefrigerantR410A
Operating Voltage208/230V
Outdoor Unit Dimensions (H x W x D)Varies by model
Indoor Unit WeightVaries by model
Outdoor Unit WeightVaries by model
Air Flow (High Cool)Varies by model
Air Flow (High Heat)Varies by model

Summary

Installation Instructions and Safety

Safety Considerations Overview

General safety guidelines, warnings, and cautions for proper installation and use.

Indoor Unit Dimensions

Outdoor Unit Dimensions and Clearances

System Requirements and Specifications

Piping and Drain Line Specifications

Details on refrigerant line lengths, pipe sizes, and condensate drain requirements.

Refrigerant, Metering, and Electrical Data

Control Wiring and User Interface

Information on control wiring, user interface options, and operating ranges.

Indoor Unit Installation Procedures

Pre-installation Checks

Steps to perform before starting indoor unit installation, including unpacking and inspection.

Indoor Unit Mounting

Guidelines for selecting location and mounting the indoor unit in the ceiling.

Outdoor Unit Installation Procedures

Outdoor Unit Mounting Locations

Instructions for mounting the outdoor unit on the ground, roof, or wall.

Outdoor Unit Connections and Piping

Outdoor Unit Wall Mounting

Details on mounting the unit on a wall and connecting refrigerant piping.

Outdoor Unit Power and Control Wiring

Control Wiring Terminal Strips

Electrical Data Tables

Cooling Only System Wiring Diagram

Heat/Cool System Wiring Diagram

Heat Pump System Wiring Diagram

Indoor Unit Power Wiring

Outdoor Unit Wiring Connection (Cooling Only)

Outdoor Unit Wiring Connection (Electric Heat)

Indoor Unit Piping and Wiring Installation

Refrigerant Line Tightening

Procedure for tightening refrigerant line flare connections using specified torque.

Condensate Drain Installation

Guidelines for installing condensate drain piping, ensuring proper slope and insulation.

Condensate Drain and Multi-Unit Control

Wireless Remote and Control Panel Access

Unit Configuration and Zone Manager Setup

Installation Options

Fresh Air Intake Installation

Instructions for installing fresh air intake and related ductwork.

Installation Options Details

Start-Up Procedures

Preliminary Checks

Initial checks before start-up, including wiring and power source verification.

Evacuation and Dehydration Methods

Procedures for deep vacuum and triple evacuation of the refrigeration system.

Unit Start-Up and Test Modes

Service and Maintenance Guide

Minimum Maintenance Tasks

Routine maintenance checks and cleaning schedule for optimal performance.

Cleaning Air Filters and Drain Pan

Step-by-step guide for cleaning air filters and the condensate drain pan.

Troubleshooting Overview and Fault Codes

Introduction to troubleshooting, fault code identification, and emergency button use.

Detailed Troubleshooting Guide

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