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Principles of Operation (con’t) 

 

RESETTING 

If it becomes necessary to reset the unit, the factory settings are as follows: 

 

  

7

PARAMETER

DESCRIPTION

VALUE UNIT

RANGE

MINIMUM

MAXIMUM

SEt

Set Point

75

°F

60

95

Hy

Differential

10

°F

1

45

dP4

Fourth probe display

0

--

--

--

dP3

Third probe display

0

--

--

--

dP2

Evaporator probe display

0

--

--

--

dP1

Room probe display

0

--

--

--

AFH

Differential for temperature alarm recovery

2

°F

1

45

ALL

Minimum temperature alarm

35

°F

-67

120

ALU

Maximum temperature alarm

120

°F

35

302

SHy

Differential for auxiliary relay

5

°F

1

45

SAA

Set point for auxiliary relay

115

°F

-67

302

ACH

Kind of action for auxiliary relay

CL

--

--

--

AC

Anti-short cycle delay

2

min

0

50

odS

Outputs delay at start up

0

min

0

255

P2P

Evaporator probe presence

n

--

--

--

ot

Thermostat probe calibration

0

°F

-21

21

US

Maximum set point

 95

°F

75

302

LS

Minimum set point

60

°F

-67

75

Ptb

Map code

--

0

65535

rEL

Software release

0

--

--

--

rSE

Real set point

--

--

--

onF

on/off key enabling

ES

--

--

--

PbC

Kind of probe

ntc

--

--

--

Adr

Serial address

1

--

1

247

HES

Differential for energy saving

0

°F

-54

54

rrd

Regulation restart with door open alarm

y

--

--

--

odc

Compress status when open door

no 

--

--

--

nPS

Number of activation of pressure switch

15

--

0

15

did

Digital input alarm delay

5

min

0

255

i1F

Digital input configuration

EAL

--

--

--

i1P

Digital input polarity

cL

--

--

--

dAO

Delay of temperature alarm at startup 

00:00

h

--

--

ALd

Temperature alarm delay

min

0

255

ALc

Temperature alarms configuration

Ab 

--

--

--

ArP

Probe selection for auxiliary alarm

P1 

--

--

--

dLy

Display temperature alarm

00:00

min.

0

20

Lod

Probe displayed

P1

--

--

--

rES

Resolution

in

--

--

--

CF

Temperature measurement unit

--

--

--

CH

Kind of action: heating cooling

cL 

--

--

--

COF

Compressor OFF time with faulty probe

min

0

255

COn

Compressor ON time with faulty probe

20 

min

0

255

O4

Fourth probe calibration

°F

-21

21

P4P

Fourth probe presence

--

--

--

O3

Third probe calibration

°F

-21

21

P3P

Third probe presence

--

--

--

OE

Evaporator probe calibration

°F

-21

21

Summary of Contents for EP56 Series

Page 1: ...ONIC INC 30 Pennington Hopewell Road Pennington NJ 08534 609 466 3400 FAX 609 466 1114 www kooltronic com 900 039 106 12 21 CDR 20369 INTREPID EP56 SERIES K2A6C30EP56TR BR Find additional information...

Page 2: ...fic model page of the Kooltronic website I Introduction Kooltronic Air Conditioners are designed to provide a cool dehumidified environment for your electronic components There are models to fit virtu...

Page 3: ...prior to operating in order to allow the compressor oil to drain to the compressor sump area CAUTION 3 Before operating this unit all electrical wiring must be checked to assure the proper connection...

Page 4: ...of incorrect type or amount of refrigerant will adversely affect performance and may damage the unit r Make sure that these parameters are met Failure to do so may result in permanent damage to the u...

Page 5: ...then discharged to the environment When the Kooltronic Air Conditioner is properly sized it should operate constantly and maintain 75 F to 115 F enclosure temperature depending on the ambient temperat...

Page 6: ...the new set point value push the SET key again or wait 10 seconds HOW TO CHANGE A PARAMETER VALUE To change a parameter s value operate as follows 1 Enter the Programming mode by pressing the SET plu...

Page 7: ...p code 7 0 65535 rEL Software release 0 rSE Real set point 0 onF on off key enabling ES PbC Kind of probe ntc Adr Serial address 1 1 247 HES Differential for energy saving 0 F 54 54 rrd Regulation res...

Page 8: ...should be delivering air through their respective discharge ports The cool air discharged should be less than 70 F when the room temperature is between 70 F and 80 F It is normal for the condenser bl...

Page 9: ...nditioner Hang the air conditioner on the hooks Before the lift truck lowers the air conditioner make sure that the hooks are located inside of the small cutouts on the front panel 4 Tighten the air c...

Page 10: ...4 163 7 11 38 289 1 7 37 187 2 17 75 450 8 18 57 471 7 53 75 1365 3 4 56 115 8 1 78 45 3 33 21 843 6 0 80 20 3 0 95 24 1 7 46 189 4 TYP 20 25 514 3 1 45 36 7 EP56T EP56B 3 4 3 375 9 5 DIA OPTIONAL MOU...

Page 11: ...WER CORD 1 1 2 2 EP56B EP56T 3 4 EP56T EP56B 3 4 57 04 1448 7 DRAIN K2A6C30EP56TR BR Dimensions inches mm are for reference only and are subject to change Drawings and Dimensions CONDENSER AIR INLET A...

Page 12: ...or Capacitor 0452111 Condenser Blower Motor 0261 274 Condenser Blower Capacitor 0452 04 Evaporator Blower Motor 0261 275 Evaporator Coil 0667 51 Condenser Coil 0666 59 01 Thermostat 0750 137 NOTE Part...

Page 13: ...ued operation under these conditions will cause damage shorten compressor life and void the warranty A Filter and condenser coil service The rear panel must be removed in order to clean the filters Af...

Page 14: ...running Low Line Voltage Check Nameplate Voltage against supply Voltage Compressor and Condenser Blower do not run Return temperature is Failed Compressor Check Compressor wire connections above set...

Page 15: ...vaporator Clean Coil difference between return and Coil clogged supply air is less than 10 F Evaporator Blower Condenser Loss of Refrigerant Locate and repair leak Blower and Compressor are running Ic...

Page 16: ...eceived by customer Number of parts to be returned Product description model and serial number Reason for return Action requested Contact name telephone FAX numbers and e mail address Pack unit in a s...

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