Trane Ascend ACR Series User Manual

AC-SVX001A-EN
81
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4. Attach a 3/8” or 1/2” hose with a sightglass in the
middle to the oil sump service valve (1/4” flare) and
the oil separator service valve (1/4” flare). See the
following figure for valve locations.
NNoottee:: High pressure rated clear hose with
appropriate fittings can help speed up the
process. Hose must be rated to withstand
system pressures as found on unit nameplate.
Figure 61. Oil service valves
To Oil Separator Service Valve
Oil Service Valve
5. After the unit is off line for 30 minutes, move the
sightglass along the side of the oil sump.
6. The nominal oil level from the bottom of the oil
separator should be as shown in the following table
and figure. Depending on running conditions and
oil heater dwell time, some deviation from nominal
levels is expected.
IImmppoorrttaanntt:: If level is less than 4 inches from the
bottom of the oil separator, contact
your local Trane office.
Unit Size
(tons)
Oil Separator
Size
(in)
Nominal Oil
Charge Height
(in)
150 to 200 10 9.0
225 to 300 12 8.5
Figure 62. Nominal oil level
Nominal oil level:
10 in oil sep: 9.0 in
12 in oil sep: 8.5 in
To Oil Separator
Service Valve
Drive Cooling System
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Service Intervals
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• Every (5) years, contact your local Trane office to
service drive fluid and strainer.
• On a yearly basis, a fluid pH test should be
performed.
Unit Diagnostics
An improperly filled drive cooling system (either low
fluid level or entrapped air in the circuit) can result in
the AFD drive overheating. This condition may result in
the following diagnostic(s):
MMaaiinntteennaannccee

Trane Ascend ACR Series Specifications

General

Brand	Trane
Model	Ascend ACR Series
Category	Chiller
Language	English