2-2
E
lEctrIcal
/ c
ontrollEr
/ W
atEr
/ r
EfrIgEratIon
P/N 3053328_C
U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • WWW.HUSSMANN.COM
These self-contained merchandisers have water-cooled
condensers. Each 2 or 3-door section has a dedicated
refrigeration system. For multi-deck cases, the
condensing unit is located behind interior back panels
of the case.
All the electrical connections are to be made in the
electrical box, located on top of the case at the right
side.
PLUG
The optional plug cord is 8ft long and is located on the
right hand rear of the merchandiser. Disconnect power
before servicing. Merchandisers require a dedicated
electrical circuit with ground. 12AWG is the minimum
sized acceptable wire for a 20-amp circuit.
• 2, 3 and 4-door cases require a dedicated 20-amp
/ 208V - 3 phase circuit with a grounded wall
receptacle (NEMA L21-20R).
• 5-door cases require a dedicated 30-amp / 208V
- 3 phase circuit with a grounded wall receptacle
(NEMA L21-30R).
• RM-W & RMN-W cases require a dedicated a
NEMA 5-15R grounded wall receptacle.
• Always use a dedicated circuit with the amperage
stated on the unit.
• Plug into an outlet designed for the plug.
• Do not overload the circuit.
• Do not use long or thin extension cords. Never use
adapters.
• If in doubt, call an electrician.
It is the installing contractor’s
responsibility to consult local agencies
for local code requirements.
NEMA L21-20R
Merchandiser Must be grounded!
All wiring must be in compliance
with NEC and local codes.
— LOCK OUT / TAG OUT —
To avoid serious injury or death from
electrical shock, always disconnect
the electrical power at the main
disconnect when servicing or
replacing any electrical component.
This includes, but is not limited to,
such items as doors, lights, fans,
heaters, and thermostats.
2-2
Water Inlet
Water Outlet
Water Line Assembly Inlet
Water Line Assembly Outlet
Water System Bracket
Condensing Unit
Front of Case
2-4
Condensing Unit
Water System Bracket
Water Line Assembly Inlet
Front of Case
Water Line Assembly Outlet
NEMA L21-30R
NEMA 5-15R