Part Number 000016034 Rev 00 07/19 19
Section 2 Installation Instructions
Refrigeration Line Set Installation
Remote Condensing Unit Only
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.
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Warning
The QuietQube Condensing unit contains refrigerant
charge. The two refrigeration valves must remain closed
until proper installation of the line sets is completed.
Installation and brazing of the line sets must be performed
by a properly trained and certified refrigeration technician
aware of the dangers of dealing with refrigerant-charged
equipment
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Warning
Disconnect electrical power to the ice machine head
section and remote condensing unit before proceeding.
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Warning
Installation of a QuietQube® Condensing Unit may require
the use of special equipment for placement. Trained and
qualified personnel are required for proper rigging and
lifting.
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 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
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
-29°C and 49°C, with line set lengths of up to 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 30.5 m. Do not attempt to go beyond this
distance and add refrigerant charge to compensate!
B. LINE SET RISE OR DROP
10.7 m MAX.
DISTANCE
10.7 m Rise: The maximum distance the remote condensing
unit can be above the ice machine.
4.5 m MAX.
DISTANCE
4.5 m Drop: The maximum distance the remote condensing
unit can be below the ice machine.
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