Specifications

44 Catalog WMC-4
Vessels Unit
Marine water boxes
Export packaging
Can be either slat or full crate for additional
protection during shipment. Units normally
shipped in containers.
Provides tube access for inspection, cleaning, and
removal without dismantling water piping.
Flanges (Victaulic® connections are standard)
Shipping bag
ANSI raised face flanges on either the evaporator
or condenser. Mating flanges are by others.
Shrink-wrap bag covers entire unit and protects it
from possible dirt and grime accumulation during
transit.
0.028 or 0.035 in. tube wall thickness
Pumpout Unit, with or without storage vessel
For applications with aggressive water conditions
requiring thicker tube walls.
Available in a variety of sizes. Details are in
Catalog WSCWDC.
Refrigerant monitor
Stainless steel or titanium tube material
For remote mounting including accessories such
as 4-20ma signal, strobe light, audible horn, air
pick-up filter.
For use with corrosive water conditions.
NOTE: Copper tubes must have carbon steel
tubes sheets, stainless steel tubes require stainless
tube sheets, and titanium tube require titanium
tube sheets.
Extended warranties
Extended 1, 2, 3, or 4 year warranties for parts
only or for parts and labor are available for the
entire unit or compressor/motor only.
Tube Sheets
Spring Vibration Isolators
Available in monel clad, stainless steel clad or
titanium clad, for use with corrosive water
conditions. Any of these options also includes
epoxy coated heads.
Spring isolators for use in special situations. The
unit has extremely low vibration and sound levels
without isolators
Witness performance test
The standard full load run test is performed in the
presence of the customer under the supervision of
a McQuay engineer, includes compilation of the
test data. Travel and local expenses are not
included.
Water side vessel construction of 300 psi (150
psi is standard)
For high pressure water systems, typically high-
rise building construction.
Single insulation, 3/4 inch, on evaporator
(including heads) and suction piping
Certified performance test
The standard run test is performed under the
supervision of a McQuay engineer; data is
compiled and certified.
Insulation, either optional factory-installed or
field-installed is generally required on all
installations.
Approvals/listings
ARI Approval and ETL/CETL listing is standard.
MEA is optional.
Double insulation, 1-½ inch, on evaporator
(including heads) and suction piping
For high humidity locations and ice making
applications.
Electrical
Single point power connection
Special vessel codes
Permits a single power lead to a unit-mounted
terminal box, in lieu of standard separate power
leads to each circuit’s power panel.
Including Chinese and Canadian Registration
(CRN).
High short circuit current rating
Controls
65 kA panel rating available only on single point
connection with either power block or disconnect
switch. Applies to the two main unit power panels.
BAS interface module.
Factory-installed on the unit controller for the
applicable protocol being used. (Can also be
retrofit)
Harmonic filter
Field-installed option. See page 38 for details.