Carrier 45MBCAQ Installation Instructions Manual page 12

Split-type four-way cassette indoor unit ductless system

Table of Contents

45MBCAQ: Installation Instructions

INDOOR UNIT INSTALLATION

1. Select Installation Location

NOTE: Before installing the indoor unit, refer to the label on the product box to make sure that the model number of the indoor unit matches the model

number of the outdoor unit.

Panel installation should be performed after piping and wiring have been completed.

Proper Installation Locations Must Meet the Following Standards

DO NOT install unit in the following locations

• Areas with oil drilling or fracking

• Coastal areas with high salt content in the air

• Areas with caustic gases in the air, such as hot springs

• Areas that experience power fluctuations, such as factories

• Enclosed spaces, such as cabinets

• Areas with strong electromagnetic waves

• Areas that store flammable materials or gas

• Rooms with high humidity, such as bathrooms or laundry rooms

2. Confirm various sizes and the recommended distances between the indoor unit and the ceiling. See Fig. 3.

Hang the Indoor Unit

1. Use the included paper template to cut a rectangular hole in the ceiling, leaving at least 39in (1m) on all sides. The cut hole size should be 16in (4cm)

larger than the body size. Be sure to mark the areas where ceiling hook holes will be drilled.

20.5in/ 521mm (Suspension bolt)

20.9in/531mm (Suspension bolt)

23.6in/600mm (Ceiling opening)

24.4in/620mm (Panel)

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

Enough room exists for the

Enough room exists for

connecting the pipe and drainpipe.

installation and maintenance.

The air inlet and outlet

The ai ow can l