Engineering Reference Manual 2010 - Hillphoenix

International Style Self-Contained Mobile Service Deli/Meat/Seafood
Merchandiser
OSIA-4’
System Requirements
Plug
Cord
Model Volts Phase Hz
Style
Length
OSIA 120 1 60 NEMA L5-20 or NEMA 5-20 10 ft
Guidelines & Control Settings
Model
24hr Energy
Usage
(kWh)
Suction Pressure
@ Case Outlet
(psig)
Superheat
Set Point @ Bulb
(Fo)
Discharge
Air
(Fo)
Return
Air
(Fo)
Discharge 1
Air Velocity
(FPM)
OSIA 12-14 6-8 26 34 175
Condensing Unit Data
Frequency
RLA 2
LRA 3
Lbs. of
Model Volts Phase (Hz) HP (amps) (amps) Refrig. Refrig.
OSIA 120 1 60 1/3 7.2 29.0 R134A 2.25
Defrost Controls
Electric Defrost Timed Off Defrost Hot Gas Defrost Reverse Air Defrost
Defrosts Fail-Safe Termination Fail-Safe Termination Fail-Safe Termination Fail-Safe Termination
Model Per Day (min) Temp (°F) (min) Temp (°F) (min) Temp (°F) (min) Temp (°F)
OSIA 2 45 47 - - - 4 - - - - - - - - - - - - - - -
1 Average discharge air velocity at peak of defrost.
2 RLA = Running Load Amps
3 LRA = Locked Rotor Amps
4 NOTE: “- - -” not an option on this case model.
Medium Temperature Defrost Schedule
Defrost per Day Time
1 12 midnight
2 12am - 12pm
3 6am - 2pm - 10pm
4 12am - 6am - 12pm - 6pm
All measurements are taken per ARI 1200 - 2002 specifications.
356 05/10