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Part Number 000015236 Rev 00 11/17 15
Section 2 Installation Instructions
Refrigeration Line Set Installation
Remote Condensing Unit Only
GENERAL
Refrigeration line set installations consist of vertical and
horizontal line set distances between the ice machine and
the condensing unit. The following guidelines, drawings and
calculation methods must be followed to assure proper oil
return and remote condensing unit/ice machine operation.
The refrigeration line set installer must be USA Government-
Environmental Protection Agency (EPA) certified in proper
refrigerant handling and servicing procedures.
n
Warning
The QuietQube Condensing unit contains refrigerant
charge. The two refrigeration valves must remain closed
until proper installation of the line sets is completed.
n
Warning
Disconnect electrical power to the ice machine head
section and remote condensing unit before proceeding.
Step 1 Verify Ice Machine and Remote Condensing Unit
Locations Are Within Guidelines
Prior to installation of the ice machine head section and
remote condensing unit be sure that the distance between
them is within the line set routing guidelines outlined in this
manual.
Roof/Wall Penetration
If required, cut a 3-inch (76.2 mm) circular hole in the wall
or roof for routing of refrigeration tubing. A qualified person
must perform all roof penetrations.
Step 2 Route Refrigeration Tubing
Properly route refrigeration tubing between the ice machine
head section and the remote condensing unit.
A. LINE SET LENGTH
100 feet (30.5 m) Length: The maximum measured length
the line set can be.
The receiver is designed to hold a charge sufficient to
operate the ice machine in ambient temperatures between
-20°F (-28.9°C) and 120°F (48.9°C), with line set lengths of up
to 100 feet (30.5 m). The maximum amount of line set which
can be exposed on the rooftop is 25% of the total length of
the line set.
Important
QuietQube® ice machines will not function with line
sets greater than 100 feet (30.5 m). Do not attempt to
go beyond this distance and add refrigerant charge to
compensate!
B. LINE SET RISE OR DROP
35 ft. (10.7 m)
MAX.
DISTANCE
35 feet (10.7 m) Rise: The maximum distance the remote
condensing unit can be above the ice machine.
15 ft. (4.5 m)
MAX.
DISTANCE
15 feet (4.5 m) Drop: The maximum distance the remote
condensing unit can be below the ice machine.
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