Engineering Reference Manual 2010 - Hillphoenix

Narrow Multi-Deck Self-Contained Dairy Merchandiser
ONNA - 36”, 47”, 71”, & 95”
System Requirements
Model Volts Phase
Frequency
(Hz)
System
Amperage
HP
RLA 1
(amps)
LRA 2
(amps)
Refrig.
Plug
Style
ONNA 36” 120 1 60 30 1/2 12.9 66.6 R134A NEMA L5-30
47” 120 1 60 30 1/2 12.9 66.6 R134A NEMA L5-30
71” 208 1 60 30 1 16.0 82 R134A NEMA L14-30
95” 208 1 60 30 1-1/2 16.0 82 R134A NEMA L14-30
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 3
Air Velocity
(FPM)
ONNA 36” 37.2 19.9 6-8 35 43 275
47” 37.2 19.9 6-8 35 43 275
71” 50.1 19.9 6-8 35 43 275
95” 63.0 19.9 6-8 35 43 275
Defrost Controls
Model
Defrosts
Per Day
Electric Defrost Timed-Off Defrost Reverse Air Defrost
Fail-Safe
(min)
Termination
Temp (°F)
Fail-Safe
(min)
Termination
Temp (°F)
Fail-Safe
(min)
Termination
Temp (°F)
ONNA 36"/47" 6 - - - 4 - - - 28 52 - - - - - -
ONNA 72"/96" 6 - - - - - - 40 47 - - - - - -
1 RLA = Running Load Amps
2 LRA = Locked Rotor Amps
3 Average discharge air velocity at peak of defrost.
4 NOTE: “- - -” not an option on this case model.
All measurements are taken per ARI 1200 - 2002 specifications.
154 05/10