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AC-SVX002C-EN

Diagnostics

General Diagnostics Information

Diia

ossttiicc N

e a

d S

urrcce

e:: Diagnostics may be

shown in the spec with a source of “xy”. In this case,
letter “x” can be either “1” or “2” (signifying which
circuit) and letter “y” can be “A”, “B” or “C”
(signifying which compressor on that circuit). Some
circuit diagnostics don’t have ‘x’ letter to indicate which
circuit is failing. Refer to TD7 alarm display for this
information.

Affffe

eccttss T

arrg

ett:: Defines the "target" or what is affected

by the diagnostic. Usually either the entire Chiller, or a
particular Circuit or Compressor is affected by the
diagnostic (the same one as the source), but in special
cases functions are modified or disabled by the
diagnostic. "None" implies that there is no direct affect
to the chiller, sub components or functional operation.

essiig

n N

otte

e:: Functions that are affected by a

diagnostic are simply reported as "chiller or circuit x"
targets in Tracer TU and on the Alarms page of the
AdaptiView™ display, even though only a specific
function and not the entire circuit or chiller would be
effected.

erriitty

y:: Defines the severity of the above effect.

Immediate means immediate shutdown of the affected
portion, Normal means normal or friendly shutdown of
the affected portion, Special Action means a special
action or mode of operation (limp along) is invoked,
but without shutdown, and Info means an
Informational Note or Warning is generated. Design
Note: Tracer TU does not support display of "Special
Action", on its Diagnostics pages, so that if a diagnostic

has a special action defined in the table below, it will be
displayed only as "Informational Warning" as long as
no circuit or chiller shutdown results. If there is a
shutdown and special action defined in the table, then
the Tracer

TU Diagnostics Page display will indicate

the shutdown type only.

errssiisstte

ncce

e:: Defines whether or not the diagnostic and

its effects are to be manually reset (Latched), or can be
either manually or automatically reset when and if the
condition returns to normal (Nonlatched).

Accttiiv

e M

ess [[IIn

accttiiv

e M

ess]]:: States the modes or

periods of operation that the diagnostic is active in and,
as necessary, those modes or periods that it is
specifically "not active" in as an exception to the active
modes. The inactive modes are enclosed in brackets, [
]. Note that the modes used in this column are internal
and not generally annunciated to any of the formal
mode displays.

Crriitte

erriia

a:: Quantitatively defines the criteria used in

generating the diagnostic and, if nonlatching, the
criteria for auto reset.

esse

ett L

ell:: Defines the lowest level of manual

diagnostic reset command which can clear the
diagnostic. The manual diagnostic reset levels in order
of priority are: Local or Remote. For example, a
diagnostic that has a reset level of Remote, can be reset
by either a remote diagnostic reset command or by a
local diagnostic reset command.

Main Processor Diagnostics

Table 31.

Main process diagnostics

Diagnostic

Name

Affects

Target

Severity

Persistence

Active

Modes

[Inactive