Engineering Reference Manual 2010 - Hillphoenix

Multi-Deck Self-Contained Produce/Dairy/Deli Merchandiser
O5DMA - 4’, 6’ & 8’
System Requirements
Model Volts Phase Hz Wire
Minimum
Circuit
Ampacity
Maximum
Overcurrent
Protection
O5DMA 4' 208 1 60 2 wire + ground 22.10 35
6' 208 1 60 2 wire + ground 23.03 40
8' 208 1 60 2 wire + ground 23.93 45
Electrical Data
Standard
Fans
Drain
Pump
Evaporator
Pan Heater
Maximum
Lights
Fans
per
120 Volts 120 Volts 120 Volts 120 Volts
Model Case Amps Watts Amps Watts Amps Watts Amps Watts
O5DMA 4' 2 1.00 60 1.10 66 7.21 1500 3.18 382
6' 2 1.00 60 1.10 66 7.21 1500 4.59 551
8' 3 1.50 90 1.10 66 7.21 1500 4.59 551
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)
O5DMA 52 6-8 30 44 250
52 6-8 30 44 250
52 6-8 30 44 250
Condensing Unit Data
Model Volts Phase
Frequency
(Hz) HP
RLA 2
(amps)
LRA 3
(amps) Refrig.
Lbs. of
Refrig.
O5DMA 208 1 60 1 9.6 46 R404A 4.5
208 1 60 1-3/4 10.9 56 R404A
208 1 60 2-1/4 12.4 61 R404A 9.7
Defrost Controls
Model
Defrosts
Per Day
Electric Defrost Timed Off Defrost Hot Gas Defrost Reverse Air Defrost
Fail-Safe
(min)
Termination
Temp (°F)
Fail-Safe
(min)
Termination
Temp (°F)
Fail-Safe
(min)
Termination
Temp (°F)
Fail-Safe
(min)
Termination
Temp (°F)
O5DMA 4 - - - 4 - - - 42 47 - - - - - - - - - - - -
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.
114 05/10