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GE -VCPL Series Instruction Manual

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1

Electronic Temperature Control Systems

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DESCRIPTION

The VCPL series is especially designed for

use in the commercial refrigeration and is

available in various different models. The

VCPL is also available with communication

properties.

In addition to extremely accurate temperature

control the VCPL offers the user diagnostics,

marketing information and current statistics

scroll i.e. average temperature, lowest

temperature, highest temperature, number of

door openings, compressor cycles and

compressor running hours.

As standard all models in the VCPL series are

fitted with 6 relays switching : compressor,

heating element or solenoid valve, external

alarm, evaporator fan, on/off switch and

light(s). All relays in this unit have a switching

capacity of 16 Amp. @ 240 Volt.

WARNING

This manual is part of the product and should be kept

near the instrument for quick reference.

The instrument should not be used for purposes other

than described and/or specified by the manufacturer.

These controls can only be used with GE double

insulated sensors.

SAFETY PRECAUTIONS

Ensure that the supply voltage is correct before

connecting the instrument. (240 Volt )

Ensure that the instrument is not exposed to water or

any other liquid.

Ensure that the current that is switched does not

exceed the maximum switching capacity of the

instrument. If the current to be switched is greater

than the instrument limits, a separate relay should be

installed.

Ensure that all wires are properly connected in the

appropriate terminal, a loose wire could cause

sparking and damage the instrument and may be

dangerous.

BUTTON COMMANDS

TO SET THE TEMPERATURE

In case of an instrument failure or faulty functioning

of the instrument, return it to your local distributor or

direct to the manufacturer. If the unit is still in its

warranty period it will be replaced free of charge.

To set the temperature push the ‘

temperature set

button

’ and the display will intermittently show the

letters SP (set point) and the pre-set temperature. To

increase the temperature use the value up button (

∧

),

to decrease the temperature use the value down

button (v).

Once the required temperature is selected, release the

buttons and wait until the display shows the actual

temperature again. The instrument has now adopted

the new setting and will operate in accordance with

these new instructions.

ACTIVATE A MANUAL

DEFROST CYCLE

It may be possible that from time to time the user

wants to use some extra defrost cycle(s). To activate

a manual defrost, push the manual defrost button and

keep it pressed for a minimum of 5 sec. Until the

defrost signal shows on the display.

A manual defrost may be activated as many times as

required.

WARNING SIGNALS

In addition to its standard control functions, the GE-

VCPL series also contains a number of diagnostic

functions and can show the following alarm signals:

RSF – There is a refrigeration system failure.

Contact your supplier.

EE – There is a microprocessor (electronic) failure,

contact your supplier.

PF1 – There is a sensor failure that is very likely

caused by a loose connection of the sensor wire in

the terminal block of the instrument. This sensor is

the appliance sensor. Contact your local supplier.

PF2 – There is a sensor failure (as PF1), but in the

sensor of the evaporator.

PF3 - As PF1 and PF2 but this is the sensor

connected to the condenser

AL1 – The temperature of the appliance has

exceeded its maximum allowable temperature.

AL2 – The temperature of the appliance has

exceeded the minimum allowable temperature.

HT – The condenser is blocked

CHANGING PARAMETER VALUES

To change the parameter values switch the power to

the unit off, push the temperature set button and keep

it pushed whilst switching the power on again. The

display will flash and intermittently show the figures

888. Once the display stops flashing, the instrument

is in parameter mode and the values can now be

changed.

To scroll through the parameters push the

temperature set button and to change the value of the

parameters use the ‘value’ buttons.

When finished, release all buttons and wait until the

display shows the actual temperature again.

Please note that the VCPL has two different

sets of parameters. The first batch can be

accessed as described above and the second

set can be accessed by holding the set button

and the up button pushed together

.

WARNING

If the power to the unit is switched off whilst the

instrument is still in parameter mode, the system will

NOT accept the changes.

MAINTENANCE

The GE-VCPL does NOT require any maintenance.

WARNING

To clean the facia of the GE-VCPL use wet soapy

rag.

The instrument is an electronic device, do not use

water or any other cleaning liquid to clean the facia

of the instrument as this may cause serious and

unnecessary damage to the system and may be

dangerous.

WIRING INSTRUCTIONS

All wiring instructions are printed on the housing of

the unit and contain all possible information needed

to connect the GE-VCPL

Follow these instructions and ensure that all

connections in the terminals of the instrument are

properly fastened as loose connections may influence

the performance of the instrument and may cause

sparking.

The GE-VCPL is powered by 240 Volt and should be

connected direct to the mains.

IMPORTANT

Only authorised and competent personnel should

connect and/or disconnect the GE-VCPL.

INSTALLATION

The recommended hole size for the GE-VCPL is 9

5/32” x 3 5/8”but in addition there are the holes for

the fasteners as per the drawing on the reverse of

this instruction manual.

PARAMETER LISTING

Access through set button:

Param. Description Range

US Upper SP limit -40/212°F

LS Lower SP limit -40/212°F

DIF Differential 1.8/178°F

CA1 Sensor 1 calibr. ±17.8°F

CA2 Sensor 2 calibr. ±17.8°F

D1 Display stability 1 to 8

D2 Display speed 1 to 255

rt Min. rest time 1 to 30 min

dE Defrost intervals 1 to 199 hrs

dd Defrost duration 1 to 199 min

dF Defrost method 1 = off

2 = heater

3 = hot gas

dt Max temp. in

appliance during

defrost

-40/212°F

SP2 Max. evap. Temp.

during defrost

-40/212°F

FP Fan stop during

defrost

0 = no

1 = yes

Fd Fan delay to on 0 – 60 min.

CT Refr. System

failure elapse time

1 to 255 hrs

dEF Display during

defrost

0 = temp.

1 = start

temp.

2 = dEF

LL Low alarm temp. -40/212°F

HL High temp. alarm -40/212°F

AD Alarm delay 0 – 255 min.

B1 Buzzer off for 0 to 255 min

B2 Buzzer on for 0 – 255 min

Access through set and up button

Ht Blocked

condenser temp.

176 to 250°F

St Time zone for

reset

1 to 255 hrs

CF Degr C or F 0 = C

1 = F

db Display brightness 0 = bright

1 = dim

C1 Computer

interface

0 = wireless

1 = Infra Red

D1 Data intervals 1 – 255

minutes

FL Compressor run

after failure

0 = yes

1 = no

cURus Approval Pending

GE Electronic Temperature Control Systems should not be

exposed to low temperatures or high humidity, such as

outdoor or refrigerated environments. It is the customer’s

responsibility to determine the proper application of the

controls and to specify the optional Conformal Coating if the

controls are going to be used in these environments.

SINGLE STAGE COLD ROOM PANEL

*(9&3/

Applicable to model numbers: 2051/52/53/54/55/56