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P/N 0453549_M
REFRIGERANT
The correct type of refrigerant will be
stamped on each merchandiser's serial plate .
The case refrigeration piping is factory sealed,
pressurized and leak tested . Before making
refrigeration hookups, depress universal line
valve to ensure that coils have maintained
pressure during shipment .
Refrigerant vapor is hazardous to your health
and can cause death.
Avoid breathing refrigerant and lubrication
vapor or mist. Exposure may irritate eyes,
nose and throat. If accidental system dis-
charge occurs,ventilate work area before
resuming service.
Always wear safety goggles and protective
gloves when working with refrigerants.
Contact with refrigerant may cause injury.
Disconnect hoses with extreme caution! All
hoses may contain liquid refrigerant under
pressure.
Be sure that any room where you are working
is thoroughly ventilated, especially if a leak
is suspected.
Read all safety information regarding the
safe handling of refrigerant and refrigerant
oil, including the Material Safety Data Sheet.
MSDS sheets can be obtained from your
refrigerant supplier.
Refrigeration lines are under pressure
and should be depressurized before
attempting to make any connections.
When brazing pipes, be sure to use the
insulation blanket shipped with the
merchandiser to prevent fire or damage
to the plastic case bottom.
HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.
REFRIGERATION / ELECTRICAL
REFRIGERANT PIPING
Connection Location
The refrigerant line connections are at the
right- hand end of the merchandiser (as
viewed from the front) beneath the display
pans . A sticker marks the location of the con-
nection "pod ." The installer must saw a hole
through the pod to exit the case . After con-
nections have been made, seal this outlet thor-
oughly . Seal both the inside and the outside .
We recommend using an expanding polyure-
thane foam insulation .
Multiplexing
Piping of merchandisers operating on the
same refrigeration system may be run from
merchandiser to merchandiser . d
refrIgerant lInes through merchandIsers
that are not on the same refrIgeratIon
as this may result in poor
system branch
refrigeration control and compressor failure .
Interconnecting piping inside the merchandis-
er must be located as shown below to allow
room for lifting the hinged fan plenums and
for clearance beneath the display pans . The
interconnecting piping may be run outside the
merchandiser .
Piping Location
Piping Location
Elite Service Merchandisers
o not run
Display Pan
Display Pan
2-1
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