McQuay RVSS14 User Manual

IOMM Starter 27
Operation, Low Voltage Starters, 200 – 600 Volts
Introduction
This section contains information on low voltage, Wye-Delta and solid-state starters as
manufactured by Benshaw Inc. for McQuay centrifugal Chillers. They are known collectively
as “D3” starters, which is their software designation. These low voltage starters have similar
software (designated D3) and are grouped together in this manual. Model numbers are as
follows:
D3WD11 to D3WD2K Wye-Delta, Free-standing
D3WT11 to D3WT65 Wye-Delta, Factory (Terminal) Mounted
RVSS14 to RVSS4K Solid State, Free-standing
RVST14 to RVST82 Solid State, Factory (Terminal) Mounted
Viewing Data
The information in this section applies to low voltage, solid start and wye-delta starters, with
the exceptions noted at the end of the section beginning on page 36.
Starter information is available on the starter-mounted LED as explained beginning on
page 30. If the optional “Full Meter Display” (available only on low voltage starters) is
ordered with the unit, power information will also be available on the chiller’s operator
interface touchscreen, as explained below.
Figure 6, Optional Starter View Screen
The ability to view the starter’s power characteristics and to set starter setpoints on the
operator interface screen is an optional extra available at the time of purchase. If the
optional “Full Meter Display” is supplied on the unit, the “POWER” button (or “STARTER”
in some software versions) will be visible on the upper left side of the VIEW screen as
shown above. Pressing this button will open the screen shown in Figure 7 in the blank area
to the right of the screen shown above.

McQuay RVSS14 Specifications

General

Brand	McQuay
Model	RVSS14
Category	Controller
Language	English