Case operation, Osaa - 6, Defrost controls – Hill Phoenix OSAA User Manual

Page 21: Condensing unit data, Guidelines & control settings, System requirements, Electrical data

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17

CASE OPERATION

American Style Self-Contained Curved Glass Service Deli Merchandiser

OSAA - 6’

All measurements are taken per CRMA specifications.

Medium Temperature Defrost Schedule

No. Per Day

Hours

1

12 midnight

2

12 am - 12 pm

3

6 am - 2 pm - 10 pm

4

12 - 6 am - 12 - 6 pm

4

NOTE: - - - not an option on this case model.

Defrost Controls

Volts

1

Phase

115

HP

1/3

RLA

2

(amps)

7.45

LRA

3

(amps)

37.5

Refrig.

R134A

60

Frequency

(Hz)

2.5

Condensing Unit Data

lbs of

Refrig.

OSAA-6’

Model

Electric Defrost

Defrosts

Per Day

2

Model

OSAA-6’

Timed Off Defrost

Hot Gas Defrost

Reverse Air Defrost

Fail-safe

(min)

- - -

Termination

Temp. (°F)

- - -

Fail-safe

(min)

- - -

Termination

Temp. (°F)

- - -

Fail-safe

(min)

- - -

4

Termination

Temp. (°F)

- - -

Fail-safe

(min)

35

Termination

Temp. (°F)

49

2

RLA - Running Load Amps.

3

LRA - Locked Rotor Amps.

Guidelines & Control Settings

1

Average discharge air velocity at peak of defrost.

Model

24 hr Energy
Usage (kWh)

Suction Pressure @

Case Outlet (psig)

Discharge Air

(

o

F)

Return Air

(

o

F)

Discharge Air Velocity

1

(FPM)

30

20

39

235

OSAA-6’

Superheat Set Point

@ Bulb (

o

F)

6-8

6’

Volts

120

System Requirements

OSAA

Model

Wire

Hz

2 wire + ground

60

Maximum

Fuse

Size

15

Minimum

Circuit

Ampacity

9.74

6’

Standard Fans

Amps

1.02

Watts

51

Defrost

Heaters

120 Volts

Amps

5.0

Watts

600

Anti-Condensate

Heaters

120 Volts

Amps

0.42

Watts

50

Fans per

Case

3

Electrical Data

OSAA

Model

120 Volts

Condenser

Fan

120 Volts

Amps

0.53

Watts

66

120 Volts

Amps

4.16

Watts

500

Drain Pan

Heater

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