Tool-Temp TT-13'502 E Manuale utente

Manual

B-0821

Heating and Cooling Unit

TT-13‘502 E

TOOL-TEMP AG Tel.: +41 (0)71 644 77 77

Industriestrasse 30 Fax: +41 (0)71 644 77 00

CH-8583 Sulgen E-Mail: info@tool-temp.ch

Schweiz – Suisse – Switzerland Internet: www.tool-temp.ch

BA 2252e

EL-1718d/e/f/i

10/2017

Manual TT-13’502 E - 1 -

THE HEATING AND COOLING UNIT

HAS TO BE TRANSPORTED IN AN

UPRIGHT POSITION AND NEVER ON

THE SIDE.

SHOULD THE UNIT BE LAID DOWN TO

THE SIDE DURING TRANSPORT, IT

WILL SUFFER IRREPARABLES

DAMAGES.

Manual TT-13’502 E - 2 -

Contents

page

1. Description ..........................................................................................................................................3

2. Technical data.....................................................................................................................................3

3. Safety and use as agreed.................................................................................................................4

4. Installation .....................................................................................................................................5 - 7

4.1 Configuration..........................................................................................................................5

4.2 Water connections..................................................................................................................5

4.3 Power supply..........................................................................................................................6

4.4 Filling......................................................................................................................................6

4.5 Pump rotation check...............................................................................................................7

5. Operation .............................................................................................................................................7

5.1 Setting of temperature............................................................................................................7

5.2 External control ......................................................................................................................7

6. Safety devices.....................................................................................................................................8

6.1 Pump......................................................................................................................................8

6.2 Compressor (circuit 1)............................................................................................................8

6.3 Fan (circuit 1) .........................................................................................................................8

6.4 Heating...................................................................................................................................8

7. Monitoring devices............................................................................................................................9

7.1 Level control...........................................................................................................................9

7.2 Anti-freeze (circuit 1)..............................................................................................................9

7.3 Indications of defaults (audible alarm)....................................................................................9

7.4 Pressure control (circuit 1)......................................................................................................9

8. Inspections and maintenance (according to DIN 31051).......................................................10

8.1 Inspection.............................................................................................................................10

8.2 Maintenance ........................................................................................................................10

9. Failure corrective action .........................................................................................................11 - 13

10. Control panel TT-13’502 E .............................................................................................................14

11. Views and dimensions (in mm).............................................................................................15 - 17

11.1Front view.............................................................................................................................15

11.2 Rear view .............................................................................................................................15

11.3 Dimensions...........................................................................................................................15

11.4 Inside view............................................................................................................................16

11.5 Inside view of control panel .................................................................................................17

12. Temperature controller MP-888.............................................................................................18 - 23

12.1Predefined setups ................................................................................................................19

12.2 Programming MP-888: Heating- and cooling unit TT-13'502 E without flow control......20 - 23

13. Spare parts list...........................................................................................................................24 - 25

14. Datasheet time-lag relay ...............................................................................................................26

15. Electrics ......................................................................................................................................27 - 30

Manual TT-13’502 E - 3 -

1. Description

The heating- and cooling unit TT-13’502 E is operating with antipollution and CFC-free refrigerant agent

The unit has two independent water circuits with two sealless pumps and two stainless steel water tank of

each 25 litres content. Additionally, the unit is equipped with 2 x 6 kW heating capacity. Circuit 2 can only

be cooled when circuit 1 is operating.

The unit corresponds to the harmonized EU norms as EN 292 / EN 60204 as well as to the relevant EU

directives (see EU conformity declaration) and it is provided with the CE sign.

This manual is valid only for this model.

serial equipment:

- 2 self-optimizing temperature controllers with digital display of the set and actual temperature.

Display in 1/10-° range. Switchable from °C to °F.

- horn for default indication

- automatic level control – with pre-warning by too low water level

- automatic or manual water refill

- mechanical safety thermostat and electronic temperature limiter installed in the controller

- with main switch, automatic cutout, transformer and motor protection switch

- with castors

2. Technical data

temperature range

of medium (water)

Circuit 1 for temperatures from +10°C to +40°C

Circuit 2for temperatures from +10°C to +90°C

ambient temperature

min. +2°C / max. +45°C,

use anti-freeze below +2°C in order to protect the heating and cooling unit from

freezing and becoming defective

temperature control

self-optimising microprocessor controller MP-888

refrigerant agent

R-134a

cooling capacity

8 kW for both circuits

heating capacity

approx. 2 x 6 kW

pump capacity

connected load 0,75 kW

pressure mode max. 4,5 bar / max. 75 l/min.

compressor

hermetically sealed

Condenser

air-cooled, air inlet located at the front of the unit, blow out located at the side and

at the rear of the unit.

max.power consumption

approx.. 15 kW

filling amount

approx. 2 x 25 litres

connections

to / from mould R 3/4“ female thread (both circuits)

automatic water refill R 3/8“ female thread

drainage R 3/8“ female thread

dimensions in mm

(LxWxH) incl. castors

Length: 980 mm

Width: 660 mm

Height: 1’300 mm

weight

empty approx. 220 kg

category of protection

IP-44

Electric

in separate switch cabinet, easily accessible from the front

colour

silver grey RAL 7001

noise level (dBA)

66 (distance 3 m)

Manual TT-13’502 E - 4 -

3. Safety and use as agreed

The heating and cooling unit must not be used for other than the described purpose and within the fixed

values for temperature and voltage. Any other use whithout the agreement of the manufacturer is strictly

forbidden. The use of others than the prescribed water (see point 4.4) and/or the use of others than the

admitted spare parts can lead to dangerous operating states and is strictly forbidden. When the unit’s con-

struction state is changed the operating permission and the conformity declaration become unvalid.

Important information in this manual is marked as follows:

remark:

helpful information

CAUTION:

RISKS WHICH CAN LEAD TO MATERIAL DAMAGE

DANGER:

RISKS WHICH CAN LEAD TO HUMAN INJURY

The heating and cooling unit is equipped with the following pictographs (according to DIN 4844) to mark

the remaining dangers (according to EN 1050):

DANGER VOLTAGE

DANGER

-The heating and cooling unit must not be used in hazardous location.

-The heating and cooling unit must not be used in the open air (category of protection IP-44).

-The heating and cooling unit must not be transported in a horizontal position.

Should the unit be laid down to its side during transportation, it will suffer irreparables damages.

-Water is the only permitted medium for the use in the heating and cooling unit (see point 4.4).

Manual TT-13’502 E - 5 -

4. Installation

Before starting the unit the external connections of the hydraulics and of the electric have to be mounted.

CAUTION:

STARTING THE UNIT WITHOUT THE PRESCRIBED

CONNECTIONS CAN DAMAGE IT.

The starting of the unit has to be done in the order of this chapter.

After the proper starting the unit is ready to use.

4.1 Configuration

air inlet: at the front of the unit

air outlet: at the side and at the rear of the unit

ambient temperature: +2°C to +45°C use anti-freeze below +2°C in order to protect the heating

and cooling unit from freezing and becoming defective

CAUTION:

AIR INLET AND OUTLET MUST BE OPEN AND ACCESSIBLE IN

ORDER TO GUARANTEE A SUFFICIENT AIR CIRCULATION

SHOULD THE UNIT BE LAID DOWN TO ITS SIDE DURING

TRANSPORTATION, IT WILL SUFFER IRREPARABLE

DAMAGES

CAUTION :

-THE UNIT CAN ONLY BE PLACED IN SUITABLE ROOMS AND

ON PLAIN FLOOR.

-THE ROOM HEIGHT MUST BE AT LEAST 3 M.

-THE UNIT IS NOT JET-PROOFED AND NOT ALLOWED TO BE

OPERATED IN HAZARDOUS LOCATION.

-THE UNIT IS ONLY DESIGNED FOR INSIDE USE AND

CANNOT BE OPERATED OUTSIDE.

4.2 Water connections

We recommend that transparent reinforced hoses should be used so that the cleaness of the water can be

checked. Longer hoses must be insulated.

to- / from mould

R 3/4“ female thread

automatic water refill

R 3/8“ female thread

drainage

R 3/8“ female thread

water filter and automatic water refill

R 3/8“ female thread

Manual TT-13’502 E - 6 -

4.3 Power supply

Main voltage and frequency according to the serial plate.

Pay attention to the local regulations during installation of unit.

CAUTION:

THE CONNECTION TO THE POWER SUPPLY HAS TO BE DONE

BY A QUALIFIED ELECTRICIAN.

Colours of cables:

phases

black / black / black

L1 / L2 / L3

earth

yellow / green

max power consumption: approx. 15 kW

DANGER:

CONNECT THE POWER SUPPLY FIRST WHEN THE HOSES

HAVE BEEN CONNECTED.

4.4 Filling

Manual filling:

Content of approx. 2 x 25 Litres. The manual filling is on the top of the unit (see page 15).

We recommend the use of normal tap water.

CAUTION:

DO NOT USE DISTILLED, DEIONISED OR RAIN WATER.

WATER CONTAINING CHLORID ADDITIVES DESTROYS ON

LONG TERMS THE STRUCTURE OF STAINLESS STEEL. DO

NOT ADD CHLORID TO THE WATER!

Automatic filling

The unit is equipped with an automatic water refill as standard. After switching on the unit the tank will au-

tomatically be filled to the correct level.

Remark:

We recommend that a stop valve is fitted at the water inlet.

This valve should be closed after filling of the tank so that uncon-

trolled refill can be avoided in case of a malfunction.

This unit is not designed to work below +2°C ambient temperature.

If the unit is installed in a production hall with low ambient temperatures, we recommend to add anti-

freeze. The percentage of anti-freeze depends on the lowest ambient temperature.

Manual TT-13’502 E - 7 -

4.5 Pump rotation check

As soon as the unit has been connected to the main supply, hoses connections have been made and the

water has been filled, the sense of rotation of the pump must be checked. This can be done by shortly

switching the unit on. The sense of rotation must be clockwise as shown by the arrow.

In case of anti-clockwise rotation you need to invert two phases on the electrical connection (on the plug or

main supply). This must be done by a qualified electrician only.

Info:

Using a sheet of paper allow if the sense of rotation of the fan is

correct. The sheet of paper must be placed at the rear side of the

unit and should stick to the condenser. Please remove it after test.

If the fan is rotating in the correct direction, the pump is rotating

correctly as well.

The fan runs only if a certain pressure of the refrigerant agent is reached. By too cold air, the fan gets

switched off thanks to a pressure switch (pressostat F42).

5. Operation

For the operating and display elements on the temperature controler see chapter 12 "temperature

controller MP-888."

5.1 Setting of temperature

Temperature range circuit 1: +10°C to +40°C

Temperature range circuit 2: +10°C to +90°C

The required temperature on the temperature controller can be adjusted by pressing the flashes

CAUTION!

PAY ATTENTION TO THE MAXIMUM ALLOWED

TEMPERATURES FOR THE USED HEAT TRANSFER

LIQUID AND HOSES.

The operator can choose the more convenient settings: degree Celsius or degree Fahrenheit.

When the controller gets started, the temperature unit is shown for a short moment.

See instructions „Programming: temperature controller MP-888 for details about function and setting of the

controller (see chapter 12).

5.2 External control

external control of 0-10 V / 4-20 mA is possible. No other interfaces can be used.

Manual TT-13’502 E - 8 -

6. Safety devices

The resetting of the thermal relay can be done by pressing the resetting button on the thermal relay of the

pump motor contactor.

6.1 Pump

The pump motor is protected by a thermal relay – control lamp .

6.2 Compressor (circuit 1)

The compressor is protected by a thermal relay – control lamp .

Info:

The control of the compressor is programmed in a way that a short

on/off is avoided (time-lag of approx. 30 sec.). This guarantees a

long life of the compressor.

6.3 Fan (circuit 1)

The fan is protected by a thermal relay – control lamp .

To guarantee an optimal function of the refrigerating circuit at low ambient temperature, a pressure switch

(ON-/ OFF switch) controls the starting point of the fan.

6.4 Heating

The safety thermostat is set to the maximum allowed temperature. If this temperature is exceeded the red

lamp is lit and the safety thermostat switches the whole unit off.

As soon as the medium temperature falls below the set point the unit automatically switches on again.

Circuit 1:

Circuit 2:

Above +45 °C the whole unit will be

switched off

Within that temperature range the cooling

compressor switches ON/OFF normally

50 °C

40 °C

30 °C

20 °C

10 °C

8 °C

Above +100 °C the whole unit will be

switched off

Within that temperature range the cooling

compressor switches ON/OFF normally

90 °C

80 °C

70 °C

50 °C

40 °C

30°C

20°C

10°C

Manual TT-13’502 E - 9 -

7. Monitoring devices

7.1 Level control

The unit is fitted with two level controls :

yellow lamp on the left is lit: Pre-warning – there is too little water in the tank.

The unit is still working and the horn is activated. Water will

automatically be refilled (see point 4.4). Please also see page 6 –

stop-valve on water inlet.

yellow lamp on the right is lit: The unit stops and the alarm is activated because the level has fallen

below the minimum. The alarm can be switched off by the horn switch

7.2 Anti-freeze (circuit 1)

If the water temperature of the standard unit falls below +8°C the indication lamp is lit and the frost

protection thermostat switches the cooling (compressor) off. It prevents the unit from damages.

7.3Indications of defaults (audible alarm)

During normal operation the horn should be switched on. Any default will then be indicated acoustically.

7.4 Pressure control (circuit 1)

Each unit is equipped with a high- and a low-pressure pressostat with reset button.

-If the ambient temperature exceeds +45 °C or the condenser is not clean, the unit switches off and the

high-pressure lamp HP on the right is lit. (After the failure corrective action the reset button has to be

pushed).

-If not enough refrigerating agent is in the system or the unit is frozen, the low pressure lamp

LP on the left is lit. (After the failure corrective action the reset button has to be pushed).

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