Carrier 40QNC009 - User Manual

38H DV,40QNC009,012
Cooling Only
38QRV,40QNQ009,012
Heat Pump
Duct-Free Systems
Installation, Start-Up and
Service Instructions
CONTENTS
Page
SAFETY CONSIDERATIONS ...................... l
GENERAL ........................................ ]
INSTALLATION ................................ 1-12
Step 1 -- Complete Pre-lnstallation Checks ...... l
• UNPACK UNITS
• INSPECT SHIPMENT
• CONSIDER SYSTEM REQUIREMENTS
Step 2 -- Mount Unit ............................. 6
• MOUNTING OUTDOOR UNqT ON GROUND
• MOUNTING OUTDOOR UNIT ON ROOF
• MOUNTING INDOOR UNIT ON WALL
Step 3 -- Complete Refrigerant Piping
Connections ................................... 7
• INDOOR UNITS
• OUTDOOR UNITS
• MAKE PIPING SWEAT CONNECTIONS
• AIR PURGING AND LEAK TEST
Step 4 -- Make Electrical Connections ........... 9
START-UP ....................................... 13
SERVICE ........................................ 13
MAINTENANCE ................................. 14
TROUBLESHOOTING .......................... 14,15
SAFETY CONSIDERATIONS
Installing and servicing air-conditioning equipment can be
hazardous due to system pressure and electrical components.
Only trained and qualified service personnel should install or
service air-conditioning equipment.
Untrained personnel can perform basic maintenance, such
as cleaning and replacing filters. All other operations should be
performed by trained service personnel. When working on air
conditioning equipment, observe safety precautions in litera-
ture, tags, and labels attached to unit.
Follow all safety codes. Wear safety glasses and work
gloves. Use quenching cloth for brazing operations. Have fire
extinguisher available. Read these instructions thoroughly.
Consult local building codes and the National Electrical Cede
(NEC) for special installation requirements.
GENERAL
These instructions cover the installation, start-up and
service of cooling only and heat pump duct-free systems.
INSTALLATION
Step 1 -- Complete Pre-lnstallation Checks
UNPACK UNITS (See Fig. l) -- Move the unit to final
location. Remove units from carton, being carefld not to
damage service valves and grilles. See Tables 1A and IB for
installation materials included in shipment_
40QNC,QNQ
Before installing or servicing system, always turn off main
power to system. Them may be more than one disconnect
switch. Turn off accessory heater power ff applicable. Elec-
trical shock can cause serious personal injury.
38HDV,QRV
Fig. 1 -- 38HDV, QRV and 40QNC,QNQ Units
Manufacturer reserves the right to disconbnue, or change at any time, specifications or designs wilhout no13ceand without incuning obligations,
Book 1 4 Catalog No. 07-38H40Q01-SI Pdnted in U.S.A. Form 38H,Q/40Q-1SI Pg 1 24)6 Replaces: New

Summary

Safety Considerations

General Information

General information and precautions for duct-free systems.

Installation Procedures

Detailed procedures for installing the duct-free systems.

Start-Up Procedures

Steps to initiate and test the unit after installation.

Service and Maintenance

Information and procedures for servicing and maintaining the unit.

Troubleshooting Guide

Guidance for diagnosing and resolving operational issues.

Mounting Units

Mounting Outdoor Unit on Ground

Instructions for mounting the outdoor unit on a solid, level concrete pad.

Mounting Outdoor Unit on Roof

Guidelines for mounting the outdoor unit on a level platform above the roof surface.

Mounting Indoor Unit on Wall

Procedures for mounting the indoor unit on a wall using a hanging bracket.

Refrigerant Piping and Connections

Indoor Unit Piping

Options and methods for routing piping for indoor units.

Make Piping Sweat Connections

Instructions for making sweat connections for refrigerant lines.

Air Purging and Leak Test

Procedures for purging air and performing leak tests on the system.

Electrical Connections

Power Wiring

Steps for connecting power wiring to the indoor and outdoor units.

Start-Up Procedures

Preliminary Checks

Essential checks before starting the unit.

Evacuate and Dehydrate

Steps for evacuating and dehydrating the system.

Start Unit with Operating Test

Instructions for conducting an operating test.

Configuring Two Indoor Unit Remote Controls

Guide for configuring remote controls for multiple indoor units.

Maintenance and Troubleshooting

Maintenance Procedures

Routine maintenance tasks for the unit.

Troubleshooting Fault Codes

Interpreting fault codes indicated by LEDs.

Carrier 40QNC009 Specifications

General

Brand	Carrier
Model	40QNC009
Category	Heat Pump
Language	English