Danfoss Turbocor VTT Series, Service Manual

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M-SV-VT-001-EN Rev. A
Introduction
The following conventions are used in this manual:
• Procedures – all user procedures are listed in numerical steps, unless it is a one-step procedure.
A one-step procedure is shown as a bullet.
• User Action Required (software) – if a user is required to take action in a software procedure, the
action will be shown in bold. Example; When the Login window opens, type in your name and
password .
• Monitoring Program Window Names – all window names will be in italic. Example Compressor
Controller window .
• Internal References – references to sections within this manual are encapsulated in quotes.
Example, Isolate VFD power as described in the “Electrical Isolation of the Compressor/VFD”
section of this manual.
• External References – references to items not within this manual are underlined. Example; Refer
to the Installation and Operation Manual for installation procedures.
1.3 Commitment
to Quality
DTC is committed to quality service and customer satisfaction as outlined by our Quality Policy:
Danfoss Turbocor is dedicated to satisfying our customers by providing “Best in Class” in terms of quality,
value, and on-time delivery while striving for continuous improvement.
1.4 Safety Summary
Safety precautions must be observed during installation, start-up, and service of the compressor due
to the presence of pressure and voltage hazards. Only qualified and trained personnel should install,
start up, and service Danfoss Turbocor compressors. Safety information is located throughout the
manual to alert service personnel of potential hazards and is identified by the headings
DANGER and
CAUTION .
1.4.1 Danger Notification
A DANGER notification signifies an essential operation or maintenance procedure, practice, or
condition which, if not strictly observed, could result in injury to or death of personnel or long-term
health hazards. A Danger notification is displayed in the format shown in Figure 1 (Danger Notification
Example).
Figure 1 - Danger
Notification Example
• • • DANGER • • •
1.4.2 Caution Notification
A CAUTION notification signifies an essential operation or maintenance procedure, practice, or
condition which, if not strictly observed, could result in damage to or destruction of equipment
or potential problems in the outcome of the procedure being performed. A Caution notification is
displayed in the format shown in Figure 2 (Caution Notification Example).
• • • CAUTION • • •
Figure 2 - Caution
Notification Example
1.4.3 Note
A NOTE provides additional information such as a tip, comment, or other useful, but not imperative
information. A Note is displayed in the format shown in Figure 3 (Note Example).
NOTE
Figure 3 - Note Example