IMPACT Rear Roll-in
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
P/N 0435045A
4-1
START UP
See the specific model’s Technical Data Sheet for
refrigerant settings and defrost requirements.
Bring cases down to the operating temperatures
listed on the data sheet.
Each four foot section has its own evaporator coil
and pre-set non-adjustable thermostatic expansion
valve (TEV). No adjustment is required.
D
O NOT
REMOVE THE CAP ON THE
TEV
S
.
This cap is to
be removed only for valve disassembly. Removal
of this cap during case maintenance will result in
refrigerant loss unless the system is first isolated
and the refrigerant recovered.
The TEV has been factory set to provide the
recommended performance settings as specified
on the case data sheets.
STOCKING
Product should NOT be placed in cases until
case is at proper operating temperature.
Proper rotation of product during stocking is
necessary to prevent product loss. Always bring
the oldest product to the front and set the newest
to the back.
A
IR DISCHARGE AND RETURN FLUES MUST REMAIN
OPEN AND FREE OF OBSTRUCTION AT ALL TIMES
to
provide proper refrigeration and air curtain
performance. Do not allow product, packages,
signs, etc. to block these grilles.
Close-off curtains at the rear of the D5RRI and
D5RRIS must be kept closed except when stock-
ing to avoid adverse refrigeration performance.
OPTIONAL SHELVING
Product display shelving, lighted or unlighted,
may be added to these cases with the addition of
shelf support kits. These modular kits may be
installed in the entire length or any 4 ft
(1219 mm) section.
Shelf Supports
Two optional shelf support types are available.
The stub shelf supports attach to the top coil
package for one or two rows of shelves. The
other shelf supports are 60 in. (1524 mm) tall,
bolted to the floor, and support up to four rows of
shelves.
An 8 ft (2438 mm) case has two columns of
shelves; a 12 ft (3658 mm) case has three
columns of shelves.
Shelves
Optional shelving is available in 20 in. (508 mm),
22 in.(559 mm), and 24 in. (610 mm) size. If
using more than one size shelf in a column, the
smallest shelf must be the highest.
START UP / OPERATION
REMOVAL OF THE TEV CAP WILL RESULT IN
REFRIGERANT LOSS UNLESS THE SYSTEM IS FIRST
ISOLATED AND THE REFRIGERANT RECOVERED
.
CAUTION
!
