Trane WPVJ - Manual (Page 5)

WSHP-SVX04A-EN 5
General
Information
Unit Nameplate
The unit nameplate is located at the
front of the unit. It includes the unit
model number, serial number, electri-
cal characteristics, refrigerant charge,
and other pertinent unit data.
Compressor Nameplate
The nameplate for the compressors
are located on the compressor shell.
Unit Description
Before shipment, each unit is leak test-
ed, dehydrated, charged with refriger-
ant and run tested for proper control
operation.
Water-to-Refrigerant Coils
The co-axial water-to-refrigerant heat
exchanger for the 1 1/2-ton through 6-
ton equipment is constructed of cop-
per or cupro-nickel (option) for the wa-
ter section and stainless steel for the
refrigeration section.
The heat exchanger is leak tested to
assure there is no cross leakage be-
tween the water and refrigerant gas.
Water Connections
Water connections are located at the
unit front for both the WPVJ and
WPHF units. They are clearly labled for
supply/return connection. Sizes are as
follows.
Blower/Motor
The blower and motor is located inside
the unit cabinet. The motor may be
easily removed for service through the
equipment blower access panel.
Controls
The control system offered to control
the unit is a Basic 24 volt control, Basic
24 volt control, or Tracer
TM ZN510
control. A 50 VA transformer is factory
supplied on the Basic 24V control con-
figurations. A 75 VA transformer is fac-
Dia. Type
3/4" WPHF 021-027 - Water in/out
1" WPHF 030-072 - Water in/out
1" WPVJ - Water in/out
3/4" Drain
1/2" Desuperheater
tory supplied on the ZN510 (digital)
control configurations.
ZN510 Controls
(WPVJ and WPHF option)
Units incorporating the ZN510 control
option design will include a digital
LonTalk
TM
certified control board. The
control board will support such op-
tions as: random start delay, heating/
cooling status, occupied/unoccupied
mode and fan/filter status.
Power wiring is made at the contactor.
See manual WSHP-IOP-2 for diagnos-
tic information.
Schrader Connections
Connections for the low and high side
of the refrigeration system are located
conveniently at the equipments front
panel. Sheet metal removal is not re-
quired for positive connection to the
high and low schrader connections.