General Unit Information; Inspection & Storage; Inspection Of Unit - Omega VSHP SERIES Installation And Operation Manual

OMEGA | WATER SOURCE HEAT PUMPS

3. GENERAL UNIT INFORMATION

BLOWER & MOTOR
The unit comes with a blower and motor assembly that
is mounted to a blower deck inside the unit cabinet, lo-
cated above the chassis behind the electrical box. Re-
moval of the blower/motor assembly is done through the
chassis compartment opening.
UNIT NAMEPLATES
The nameplate contains information about the unit in-
cluding model and serial numbers, electrical data and
refrigerant charge information. The cabinet nameplate is
located on the surface of the cabinet and the chassis
nameplate is located on the chassis. Collecting the in-
formation on the nameplate will be useful when contact-
ing your local customer service representative or when
ordering parts. The compressor nameplate is located
inside the chassis enclosure (requires removal of sheet
metal enclosure) on the compressor shell.
CONTROLS
The unit comes with a factory supplied transformer. See
wiring diagram for field wiring a thermostat to the electri-
cal box low voltage terminals. High voltage connection is
made on the left side of the cabinet and low voltage con-
nections enter through the right side of the cabinet.
MICROPROCESSOR CONTROLLER
Unit comes with an advanced microprocessor controller
that monitors the entire function of the unit. The micro-
processor board comes with an integral terminal strip for
wiring thermostat cable.
REFRIGERANT CONNECTIONS
Low and high pressure side refrigeration service ports re
located inside the compressor enclosure. Slide out chas-
sis and remove sheet metal enclosure to access fittings.
CABINET– SILVER SERIES
The standard Silver series cabinet is a fully factory as-
sembled one piece cabinet. See Figure 1. Use flexible
duct connections for connecting cabinet to supply ducts
to prevent vibration and noise transmission into occu-
pant space.
CABINET– OPTIONAL GOLD SERIES
The optional Gold series cabinet comes in two sections
for enhanced acoustic performance. See Figure 2. The
upper section discharge plenum is lined with 1" thick
insulation on all inside surfaces. Fasten discharge ple-
num to the underside of the concrete slab. See Figure 4
for comparison of Silver and Gold series cabinets. Fac-
tory installed flexible connection is provided to join the
upper and lower sections. Ensure mating surfaces of the
5
canvas connection overlap by at least two inches, and
are glued together. Provide "S" cleat to join upper and
lower plenums to the metal portion of the flex connec-
tion. Fasten metal portion of the flex connection with
sheet metal screws through the "S" cleat to the plenum.
The plenum comes with factory pre-punched knockouts
on all sides.
RETURN AIR PANEL—ACOUSTIC & PERIMETER
The Acoustic Return Air Panel is insulated with 1/2"
thick, acoustic insulation and removable without tools to
allow access to the filter and (optional) service discon-
nect switch. The panel should be flush mounted to the
drywall after the cabinet and riser installation is com-
plete. See Figures 14 to 17 for more detailed infor-
mation.
The Perimeter Return Air Panel door is mounted in the
drywall opening and fastened to the wall studs. See Fig-
ures 18 to 21 for more detailed information.
Cabinet base height and maximum base-
board height dimensions can be determined
by referencing Figures 16 & 20. Use appro-
priate Figure based on R/A Panel type or-
dered.
THERMOSTAT
Unit comes with a factory provided 24 inch thermostat
cable wired to the control board terminal blocks.
4. INSPECTION & STORAGE

INSPECTION OF UNIT

Prior to the installation of the unit perform the following
checks:
•
Visually inspect the packaging, cabinet and chassis
for signs of shipping damage prior to signing the bill
of lading. Check that the units match the sales order
by referring to the cabinet and chassis nameplate
information.
•
Inspect the riser ends for any sign of damage.
•
Verify breaker and power supply meet electrical
nameplate requirements of the unit.
•
Check that the nameplate of the units matches the
floor plan layout.
When construction is not complete including concrete
core drilling, drywalling, plastering, painting or any work
that would contaminate the storage space all necessary
precautions are to be taken to prevent the cabinet and
chassis from becoming contaminated. Particulate infil-
tration (i.e. drywall dust) into cabinet and chassis coil
could result in equipment damage. Fumes could result
in premature corrosion (formicary corrosion) of the chas-
sis air-coil resulting in refrigeration system leaks.
www.omega-heatpump.com