Saturn PPT93 SERVICE MANUAL

Commercial Refrigerator

Service Manual

PIZZA PREP TABLE

PPT93

Please read this manual completely before attempting to install or operate this equipment.

TABLE OF CONTENTS

1. FEATURE CHART

1-1. OUTSIDE DRAWING AND MEASUREMENT FOR PPT93

2. WIRING DIAGRAM

2-1. REFRIGERATOR: PPT93

3. PARTS DETAILS

3-1. BOTTOM PANEL 3-2. REFRIGERATION COMPARTMENT 3-4. DOOR 3-5. COOLING COMPARTMENT

4. MAIN COMPONENTS

4-1. COMPRESSOR 4-2. COMPRESSOR RELAY 4-3. CONDENSER DRYER 4-4. CAPACITOR 4-5. EVAPORATOR FAN MOTOR 4-6. CONDENSER FAN MOTOR 4-7. EVAPORATOR DEFROST HEATER 4-8. LAMP 4-9. THERMOSTAT

5. ELECTRONIC CONTROLLER INSTRUCTION

5-1. REFRIGERATOR CONTROLLER

5-1-1. DIXELL PARAMETER FOR REFRIGERATOR 5-1-2. HOW TO USE THE CONTROLLER

6. REPLACEMENT OF MAIN COMPONENTS

6-1. FRONT PANEL PARTS 6-2. DOOR CHANGING 6-3. REFRIGERATION COMPARTMENT PARTS 6-4. CONDENSING UNIT

1. FEATURE CHART

1-1. OUTSIDE DRAWING OF PPT93

2. WIRING DIAGRAM

2-1. PPT93

3. PARTS DETAILS

3-1. BOTTOM PANEL

THERMOSTAT

MAIN SWITCH

3-2. REFRIGERATION COMPARTMENT CYCLE ASSEMBLY

CONDENSER FILTER DRIER CONDENSER FAN MOTOR WATER PAN COMPRESSOR

DRAIN PAN

CONDENSER FAN MOTOR ASSEMBLY

FAN COVER CONDENSER FAN MOTOR BLADE CONDENSER FAN MOTOR

3-3. DOOR

GASKET

Magnetic gasket can be replaced without any tools.

4. MAIN COMPONENTS

MODEL

PPT93

Refrigerant

R-134a

Voltage

115V/60Hz

Comp. Model

T6213Z

Part code

TPP93.02

PPT93

Voltage

115V / 60Hz

Relay Model

---

Part codel

---

MODEL

PPT93

Refrigerant

R-134a

Spec.

25g

Part code

GN1410TN.14

MODEL

PPT93

Voltage

115V / 60Hz

Running

X

Starting

189-227μf

MODEL

PPT93

Voltage

115V / 60Hz

Motor Model

CA27-04/C20

Part code

27R.30

4-1. COMPRESSOR

4-2. COMPRESSOR RELAY

4-3. CONDENSER DRYER

4-4. CAPACITOR

4-5. EVAPORATOR FAN MOTOR

MODEL

PPT93

Voltage

115V / 60Hz

Motor Model

CA27-04/C19

Part code

27R.32

MODEL

PPT93

Voltage

115V / 60Hz

Spec.

---

Part code

---

MODEL

PPT93

Voltage

115V/60Hz

Spec.

---

Part code

---

MODEL

PPT93

Voltage

115V / 60Hz

Model

XR20C

Part code

27R.10

4-6. CONDENSER FAN MOTOR

4-7. EVAPORATOR DEFROST HEATER

4-8. LAMP

4-9. MAIN PCB

5. ELECTRONIC CONTROLLER INSTRUCTION

NO.

Label

Name

Range

Hidden Par.

Defa ult

℃/℉

℃

℉

1

Set

Set point

LS-US

-5/23

0

32

2

Hy

Differential

0.1-25.5℃/1-

255℉

2/35.6 2.5

5 3

Ls

Minimum set point

-50℃-SET/-

58℉-SET

Yes

-50/58

-2

28

4

Us

Maximum set point

SET110℃/SET-

230℉

Yes

110/ 230

10

50

5

Ot

Thermostat probe calibration

-12-12℃/-

120-120℉

0/32 1 -1

6

P2P

Evaporator probe presence

n=not pres. ;y=pres .

Y Y

Y 7

OE

Evaporator probe calibration

-12-12℃/-

120-120℉

Yes

0/32 0 0

8

Ods

Outputs delay at start up

0-255min

Yes 0 2 2 9

AC

Anti-short cycle delay

0-50min

1 2

2

10

CCt

Continuous cycle duration

0.0-24.0h

Yes

0.0

11

COn

Compressor ON time with faulty probe

0-255min

Yes

15

10

10 12

COF

Compressor OFF time with faulty probe

0-255min

Yes

30

10

10 13

CF

Temperature measurement unit

℃/℉

Yes

℃/℉

℃

℉

5-1-1.

DIXELL XR20C PARAMETER FOR REFRIGERATOR PPT93

14

rES

Resolution

in=integer; dE = dec .point

DE

15

Lod

Probe displayed

P1;P2

Yes

P1

16

EdF

Defrost termination setting

Pb=by temperature; nP=by time

Pb

17

dtE

Defrost termination temperature

-50-50℃/-58-

122℉

8/46.4 7

41

18

IdF

Interval between defrost cycles

1-120ore

6 6

6

19

MdF

(Maximum) length for defrost

0-255min

30

20

20 21

DFd

Display during defrost

rt, it, Set, DEF

Yes

Set

set

22

dAd

MAX display delay after defrost

0-255min

Yes

30

30 25

dAF

Defrost delay after fast freezing

0-23h n 50’

Yes

0.0 0 0

30

Alc

Temperature Alarm configuration

RE=related to set; Ab=absolute

Yes

Ab

re

31

ALU

MAX. temperature alarm

SET110℃/SET-

230℉

110/

230

50

90

32

ALL

MIN. temperature alarm

-50℃-SET/-

58℉-SET

-50/58

-40

80

33

Ald

Temperature alarm delay

0-255min

Yes

15 0 0

34

dAO

Delay of temperature alarm at start up

0-23h n 50’

Yes

1.30 1 1

35

i1P

Digital input polarity

OP=opening CL=closing

CL

36

i1F

Digital input configuration

EAL=extern. alarm; bAL= lock regulation; PAL=press. switch; dor= door

dor

switchdEF=d efrost; LHt =disabled; Htr=Coolingheating

37

did

Digital input alarm delay

0-255min

15

38

Nps

Number of activation of pressure

0-15

Yes

15

39

odc

Compressor status with open door

no,Fan= normal; CPr= comp.OFF; F-C= Compr.OFF & fan.OFF

Yes

no

40

Pbc

Kind of probe

Ptc;ntc

ntc/

Ptc

ntc

41

dp1

Room probe display

-

Yes

P1

42

dp2

Evaporator probe display

-

Yes

P2

43

rEL

Software release

-

Yes

4.2

44

Ptb

Map code

-

Yes

83

5-1-2.

1. FRONT PANEL COMMANDS

To display target set point, select a parameter or confirm an operation in programming

mode.

To start a manual defrost To view the last alarm occurrence. In programming mode, it browses the parameter

codes or increases the display value To view the last alarm occurrence. In programming mode, it browses the parameter codes or decreases the display value

KEY COMBINATION

To lock & unlock the keyboard To enter in programming mode

To return to the room temperature display

1.1 Function of LEDS

2. MAIN FUNCTIONS

2.1 HOW TO VIEW THE SET POINT

1. Push and immediately release the SET key: the display will show the set point value.

2. Push and immediately release the SET key or wait for 5 seconds to display the sensor value again.

2.2 HOW TO CHANGE THE SET POINT

1. Push the SET key for more than 2 seconds to change the set point value.

2. The value of the set point will be displayed and the LED starts blinking.

3. To change the set value, push the or key within 10s.

4. To set new point value, push the SET key again or wait 10s.

2.3 HOW TO START A MANUAL DEFROST

Push the key for more than 2 seconds and a manual defrost will start

2.4 HOW TO LOCK THE KEYBOARD

1. Hold the and keys for more than 3s.

2. The “POF” message will be displayed and the keyboard will be locked. At this point, it will be possible only to see the set point or the MAX or Min temperature stored.

3. If a key is pressed more than 3s the ”POF” message will be displayed.

2.5 HOW TO UNLOCK THE KEYBOARD

Hold the and keys together for more than 3s, till the “POF” message is displayed.

3. ALARM SIGNALS

HOW TO VIEW THE ALARM AND RESET THE RECORDED ALARM

1. Hold the or key to display the alarm signals.

2. When the signal is displayed, hold the SET key until the “rst” message is displayed. Push the SET key again. The “rst” message will start blinking and the normal temperature will be displayed again.