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User Information (cont'd)
OPERATION SPECIFICATIONS
This case is designed to operate in store condi-
tions of 75F and 55%RH* or lower. The case is
equipped with easy adjustment features for vary-
ing store conditions.
Baseline Settings
75°F and 55%RH* ambient store conditions
•
Evaporator temperature: 28° F specific re-
frigerant equivalent (with coils under load)
•
Superheat (SH): 3-6°F (as low as 1-2°F SH
is acceptable on Deck)
•
Discharge air (DA) from gravity coil: 33-36°F
typical range
•
Discharge air Velocity: 50-75 FPM
•
Digital T-Stat (A419) Set Point (SP) Cut in
Temperature / Differential (dIF Cutout from
SP): Gravity Coil 34°F/1°F and Deck Coil
32°F/1°F
•
Defrost: 1/day, 50 minutes
•
Air Sweep Fans: On/Off switch (only use if
needed)
Store conditions, if different from design condi-
tions, may require adjustments to settings as
listed in the SETUP TROUBLE SHOOTING sec-
tion.
Please refer published case specifications on
Hussmann website
Refer to A419 Display Symbols, Control Func-
tion, Ranges, Units, Values, and Factory Settings
Display Symbol for further information
Case Switches
The VR3HV-M/F C/S-EP is equipped with 2 func-
tioning switches at the rear right of the case.
•
Left Switch: Will turn on and off the case
lights
•
Right Switch: The Air Sweep Fan switch will
turn on the air sweep fans located near the
front of the case, use of this switch will be
necessary when condensation begins to build
on the front glass. Turn off once condensa-
tion has resolved.
Left Switch: Case Lights
Right Switch: Air Sweep Fans
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