Vertiv Liebert CR045 - Adding Lubricant Oil

Vertiv | Liebert® CRV4 | User Manual 34
Mechanical Installation
3.4.2. Adding Lubricant Oil
The charging refrigerant can dilute the lubricant oil in the system and aects the lubricating & cooling
properties of the lubricant oil. Therefore, the lubricant oil should be added in the beginning. The lubricant oil
used in the Liebert® CRV4 air conditioner is given in Table 3-9.
Table 3-9 Types of Lubricant Oil
Unit Model Types of Lubricant Oil
CR025 POE (32-3MAF)
CR035 PVE (FVC68D)
CR045 POE (32-3MAF)
Table 3-10 provides the amount of lubricant oil to be added.
Table 3-10 Adding Lubricant Oil
Liquid Pipe OD
(mm)
CR025, CR035, CR045
30 m >30 m
12.7
Lubricant oil charging is
not needed
Amount of lubricant oil (ml) to
be added = More than 30 m
part even pipe added amount of
refrigerant × 10%
16
19
22
25
• Consult Vertiv representative for more details on adding the lubricant oil.
• CR025 and CR045 units use POE type (32-3MAF) lubricant oil, and CR035 units use PVE type (FVC68D)
lubricant oil
• Do not use inferior quality refrigerant.
• For any consequences resulting from inferior quality refrigerant, Vertiv does not assume warranty
responsibility.
• Select the type of lubricant oil in accordance with the compressor manufacturer’s specication.