Dantherm AC-24 Service Manual Download Page 16 | Manualshive

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Introduction

This section gives a description of the control board.
A description of how to start up, for example, is found in the relevant sections.
The control panel on the front contains the controls required for normal operation.

Illustration

This drawing illustrates the control board of the AC 24:

See references on next page.

Description of the control board

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Summary of Contents for AC-24

Page 1: ...AC 24 SERVICE MANUAL en Rev 1 2 1 2020 W48 3...

Page 2: ......

Page 3: ...Directive 1907 2006 EC REACH Regulation and is manufactured in conformity with the following harmonised standards DS EN ISO 12100 1 2011 Safety of machinery General principles for design EN 60204 1 S...

Page 4: ...ocedures Air conditioners should only be operated by qualified trained personnel and the repair of the cooling circuit and electrical system is to be done only by skilled service people Failure to do...

Page 5: ...cycling The unit is designed to last for many years When the time comes for the unit to be recycled the unit should be recycled according to national regulation to protect the environment Quality Mana...

Page 6: ...switch function 18 Functional Description 19 User s guide Preparations 21 Setup 22 Recommended camp configuration 23 Transport of the unit 26 Starting up and shutting down the air conditioner 27 Rese...

Page 7: ...owing topics Topic See page General description 8 Transport of the unit 8 Description of parts 8 Syntax 9 Description of the cooling system 10 Description of the control board 15 Description of room t...

Page 8: ...nts and other types of temporary portable shelters Functionality The function of the unit is based on a cooling circuit and two powerful centrifugal fans The lower section contains the evaporator and...

Page 9: ...it Parts Item Description 1 Handlebars for transport Accessories 2 Wheels for easy field mobility of the unit Accessories 3 Control panel with function switch and lamps 4 Mains cable 5 Room thermostat...

Page 10: ...230VAC 50Hz C 1ph 230VAC 60Hz 305 Duct connection size mm R RAL Color code Introduction All products are named according to a syntax giving information about the specific unit configuration Example T...

Page 11: ...a drain outlet for condensate On each side of the unit a plate can be removed to make inspection and service possible Inside the unit there is a horizontal partition dividing it into an upper and a lo...

Page 12: ...uires an external electric power source The mains cable is 10 m long and normally has a 16 A CEE connector at its end Air openings Description of parts continued Cold air out Varm air outlet Cold air...

Page 13: ...awn into the unit through this these opening s With connected air hose s the unit is supplied with recirculated return air from the tent shelter Flexible air hose s will be connected here Ambient air...

Page 14: ...sorbs heat from the shelter by cooling down the circulated air HP pressure switch Ensures that the compressor does not operate at too high pressure LP Pressure switch Ensures that the compressor does...

Page 15: ...be avoided at any time by not operating the product outside the specified temperature range See section Technical data page 45 At high ambient temperatures above 55 C the cooling of the condenser airf...

Page 16: ...of how to start up for example is found in the relevant sections The control panel on the front contains the controls required for normal operation Illustration This drawing illustrates the control bo...

Page 17: ...fer to the Fault finding guide Yellow HP LP Illuminates when the built in HP LP pressure switch cuts out and stops the com pressor because of too high pressure HP or low pressure LP in the cooling cir...

Page 18: ...Part Function Chassis Housing with hanger for suspension Thermostat controller Setting the parameters for the room thermostat Sensor Measures the temperature Cable 15m Location The thermostat must be...

Page 19: ...by a low pressure switch LP switch The switch is set at 1 bar and will automatically reset at 2 5 bar The safety function cuts off the com pressor The LP function will be activated if The cooling sys...

Page 20: ...itch in this position the unit will operate according to the room thermostat settings On the AC 24 with heating coils the room thermostat has a flip switch with the following positions Cool With the f...

Page 21: ...ooling system to start frequently Do not operate the product at temperatures outside the specifications WARNING If forklift MHE is to be used it is imperative that the tine is fully engaged thereby su...

Page 22: ...er to avoid disrup tion of the airflow see Recommended camp configuration page 24 Keep any source of engine exhaust fumes vehicles generators etc away from air in takes Air distributing channels It is...

Page 23: ...eturn air is colder than the ambient air this will save cooling capacity 4 Place the room thermostat inside the tent shelter at the optimal location Avoid sunlight Avoid direct cold air from the air c...

Page 24: ...Save the new temperature setpoint Disconnect the power from the unit Press and hold the two buttons shown below Power up the unit with the buttons pressed Press and hold both buttons when powering up...

Page 25: ...45 The shorter the ducts the higher performance from the air conditioner In some cases the tent does not allow for ducting as per the air conditioner design Be aware that blocking one or two of the d...

Page 26: ...tly the air being introduced to the air conditioner must be as cold as possible If the room temperature is lower than the am bient temperature outside it is most efficient to re circulate the air from...

Page 27: ...n on all sides allowing air to be drawn in and exhausted out freely Drain Water draining from the evaporator will saturate the area around the drain outlet Pay attention to this potential problem and...

Page 28: ...current for fan motor too high Compressor thermo relay running current for compressor too high ETA relay running current for control current too high Refer to the Fault finding guide for possible solu...

Page 29: ...the thermo relay will switch off the compressor or fan and will have to be reset Reset Thermo relay Push the buttons one by one in no particular order to reset the thermo relay See buttons marked with...

Page 30: ...Service guide Contents Topic See page Preventive maintenance 30 Spare parts 33 Fault finding guide 41 Service agreement 43 30...

Page 31: ...arting up and shutting down the air conditioner Daily preventive maintenance Preventive maintenance to be carried out daily or every 8 hours of operation After shutdown each day or after every eight h...

Page 32: ...it is returned to service and are subjected to dust 3 Remove the two side cover plates and inspect the evaporator and condenser coils If they are dirty vacuum clean or wash with warm soapy water and a...

Page 33: ...the field unit or approximate date of delivery Information If it is part of a group naturally forming a whole or part of a purchased complete component ome items may not be available for individual de...

Page 34: ...Spare parts for cabinet Illustration Available spare parts 1 3 1 4 1 5 1 1 1 6 1 7 1 8 1 3 1 9 1 2 34...

Page 35: ...1 3 098823 Hose connection 5999 22 632 1609 1 4 098824 Filter mounting 5340 22 632 1612 1 5 081579 Filter 4130 22 632 1614 1 6 093803 Roomthermostat complete 5930 22 632 1619 1 7 081582 Condenser fan...

Page 36: ...Illustration Available spare parts for cooling system 2 1 2 5 2 6 2 7 2 8 2 9 2 10 2 2 2 11 2 3 2 2 2 4 Spare parts for Cooling system 36...

Page 37: ...3 Evaporator coil 4130 22 632 1672 2 6 081631 Thermostatic valve 4820 22 632 1677 2 7 063123 Sight glass 6680 22 632 1679 2 8 298974 Filter drier 4130 22 616 3541 2 9 063128 Reciever 4130 22 632 1682...

Page 38: ...Illustration Available spare parts for controller Spare parts for Controller 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 3 10 3 11 3 1 3 12 38...

Page 39: ...5 098861 Fuse Block 5920 22 632 1713 3 6 098862 Fuse 10 pcs 5925 22 632 1714 3 7 098863 Terminal block cpl 5940 22 632 1726 3 8 098864 Controller front 1670 22 632 1727 3 9 064274 Cable gland set 597...

Page 40: ...40...

Page 41: ...Number 096673 Wheel set and handles 4520 22 631 7709 097754 Hose 320mm L 3000mm 4720 22 631 7710 097756 Air distribution hose 320mm L 5000mm 4720 22 631 7163 098108 Hose ties 5340 22 631 7711 093894...

Page 42: ...switch off again after a few minutes High ambient temperature resulting in HP pressure switch cut out The HP pressure switch will automatically reset when the ambient temp has fallen below 55 C Reduce...

Page 43: ...ling circuit and thereby operating the pressure switch HP Allow some time for cooling of the system Low ambient temperature If the air conditioner is operating below 20 C the humidity in the airflow c...

Page 44: ...enance Dantherm S p A offers to do the preventive maintenance on the units so that they at all times will operate according to factory standards Corrective and emergency repair In case of malfunctions...

Page 45: ...ion provides technical information about the AS 24 and covers the following topics Contents Topic See page Technical data 45 Dimensions 46 Wiring diagram AC 24 47 Wiring diagram reference 49 Technical...

Page 46: ...5 C approximately and is controlled by the HP LP pressure switch In relatively dry locations the air temperature drop will depend on inlet conditions Data Data and dimensions on the cabinet are shown...

Page 47: ...Dimensions Dimensions 47 en...

Page 48: ...Wiring diagram Wiring diagram 48...

Page 49: ...Wiring diagram Continued Wiring diagram continued 49 en...

Page 50: ...K4 Contactor heating coil B1 Limit thermostat el heating coil K5 Timer After run el heating coil C1 Evaporator fan motor condenser M1 Evaporator fan motor C2 Condenser fan motor condenser M2 Condenser...

Page 51: ......

Page 52: ...support dantherm com Dantherm can accept no responsibility for possible errors and changes en Der tages forbehold for trykfejl og ndringer da Irrt mer und nderungen vorbehalten de Dantherm n assume a...

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