Connecting Line Set - Sea Breeze SMZ18H46ZOGX Installation Manual

CAUTION! IMPROPER CONNECTION OF THE LINE SETS WILL RESULT IN IMPROPER OPERATION OF
THE SYSTEM. MARK EACH LINE SET AND WIRING FOR IDENTIFICATION. IDENTIFICATION LABELS
ARE INCLUDED WITH EACH OUTDOOR UNIT. ENSURE THAT THE WIRING AND THE LINE SETS ARE
INDOOR unit copper tubing
Wall-Mounted Indoor
Unit A
Wall-Mounted Indoor
Unit B
Console, Cassette,
Floor/Ceiling, Ducted
* USED ONLY ON 42,000 BTU OUTDOOR UNIT
Outdoor Unit
Type
18K Dual Zone
24K Triple Zone
30K Quad Zone
Refrigerant Tubing
1. After the outside unit is secured to the mounting location (Pad, Wall Brackets, etc.), route the line set(s)
from the Indoor unit to the outdoor unit, and secure with clamps or Plastic-Duct as required.
Installation Notes:

The SMZ18H46ZOGX Dual Zone unit is designed to run one or two indoor units. (See page 6)

The SMZ24H46ZOGX Quad Zone unit is designed to run two or three units. DO NOT use this system
with one indoor unit. (See page 6)

The SMZ30H46ZOGX Quad Zone unit is designed to run two, three, or four indoor units. DO NOT use
this system with one indoor unit. (See page 6)

The outdoor unit is supplied with a sufficient refrigerant charge of R410A for a maximum Design
Length, no extra refrigerant required. Beyond this length additional refrigerant is required and must be
weighted in. (see specifications)
Indoor unit contains a small quantity of nitrogen. DO NOT remove the caps until the tubing is ready to be
installed.
NOTE: An oil trap is recommended to be installed if the indoor unit is over 15 feet in height from the outdoor
unit. To prevent kinking, bend tubes using a tubing tool.
CAUTION! WHEN REMOVING THE VALVE CAPS, DO NOT STAND IN FRONT OF VALVES, AS THE
SYSTEM IS UNDER HIGH PRESSURE.
CAUTION! DO NOT BRAZE TUBING OR USE THREAD SEALANT. USE FLARE CONNECTIONS ONLY.
Line set can now be cut (if necessary), to the proper length. Cut the tubing a little longer than measured
2.
distance. Completely remove all burrs from the cross cut section of tubing. Do not allow debris to fall into
copper tube. It is extremely important to clean the copper tubing prior to connecting to system.
950-0195revJ

CONNECTING LINE SET

ROUTED TO THE PROPER INDOOR ZONE.
INDOOR UNITS
1/4" 3/8"
9K x x
12K x
18K x
9K x x
12K x x
18K x
OUTDOOR UNITS
Port A Port B
liquid-suction liquid-suction
1/4"-3/8" 1/4"-3/8"
1/4"-3/8" 1/4"-3/8"
1/4"-3/8" 1/4"-3/8"
Figure 8
- 11 -
1/2" Adapter Included
Yes
x Yes
x Yes
Yes
Yes
x Yes
Port C
liquid-suction
N/A
1/4"-3/8"
1/4"-3/8"
Adaptor may be
bent up to a 90
degree angle if
necessary.
Adaptor
Adapter Size
1/2" F to 3/8" M*
3/8" F to 1/2" M
3/8" F to 1/2" M
1/2" F to 3/8" M*
1/2" F to 3/8" M*
3/8" F to 1/2" M
Port D
liquid-suction
N/A
N/A
1/4"-3/8"
December 3, 2015