Carrier 40WAW Installation Instructions

CONTENTS
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 1
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1,2
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Piping to Indoor and Outdoor Units. . . . . . . . . . . . . . . 2
• CONNECTING PIPING
Drain Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
• ROTATING DRAIN CONNECTION
SAFETY CONSIDERATIONS
Read and follow manufacturer instructions carefully. Fol-
low all local electrical codes during installation. All wiring
must conform to local and national electrical codes. Improper
wiring or installation may damage thermostat.
Understand the signal words — DANGER, WARNING,
and CAUTION. DANGER identifies the most serious hazards
which will result in severe personal injury or death.
WARNING signifies hazards that 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.
Recognize safety information. This is the safety-alert
symbol ( ). When this symbol is displayed on the unit and in
NOTE: All dimensions shown
in inches.
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53400011-01
Mini VRF (Variable Refrigerant Flow) System

Installation Instructions

Part Number 40WA900011
Page
9 9
2 9 2 2
16 16
16
5
8
7
16
3
8
15
11
16
13 ½
7
10
16
1
16
8
Fig. 1 — Branch Box Dimensions
Printed in U.S.A. Form 40W-3SI
40WAC,WAF,WAW,WAD,
Branch Box Accessory
instructions or manuals, be alert to the potential for personal
injury. Installing, starting up, and servicing equipment can be
hazardous due to system pressure, electrical components, and
equipment location.
GENERAL
The branch box accessory for the mini VRF (variable refrig-
erant flow) system allows the connection of multiple indoor
units to an outdoor unit. Each branch box allows 4 indoor unit
connections. The accessory is available for use with the mini
VRF (variable refrigerant flow) system units listed in Table 1.
See Fig. 1 for branch box dimensions. Figure 2 shows an ex-
ample installation.
Table 1 — Branch Box Accessory Usage
INDOOR UNIT
40WAC Compact Cassette
40WAF 4-Way Cassette
40WAW High Wall
40WAD Ducted
40WAH High Static
40WAU Under Ceiling/Floor
40WAV Vertical
OUTDOOR UNIT
38WAH
½
15
5
16
¼
a40-1772
Pg 1 6-15
WAH,WAU,WAV
SIZES
007,009,012,015
009,012,015,018,024,030,048
007,009,012,015,018,024
007,009,012,015,018,024
024,030,036,048
012,018,024,030,036,048
018,024,030,036,048
SIZES
036,048
Replaces: New