User manual / Operating Instructions - El
Contents
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4. 0 e m gt I E gt a iz Es INTRODUCTION The A 700VTI is a dehumidifier intended for major industrial dehumidification for example for drying timber or other industrial drying processes It can also be used to keep storage facilities dry Its dimensions mean that it can efficiently dry around 15m of fresh timber soft wood sufficiently for shipping 18 It can also dry 30 35m from around 20 down to 8 carpentry dryness This instruction book provides a through description of how the dehumidifier is to be used and looked after and how to carry out supervision This book also describes what action must be taken to ensure maximum safety and how these safety details ate formulated as well as how they work IMPORTANT The section on safety must be read and understood by everyone who is to use or repair the dehumidifier The instruction book covers the use and various maintenance procedures which can be carried out by the operator More thorough servicing or error detection must be carried out by the manufacturer s service personnel The instruction book describes all the necessary safety details and must be read and understood by the user before the dehumidifier is connected to an electricity s
5. A _ GT03 HH HN IN COUTO li gt 4 AEV Label Warning 400 V P1 Classification panel P2 Wheels P2 Water connection R1 P4 Vaporiser 51 Manual reset for pressure switch high F1 pressure contact in the electrical box Hot gas thermostat G Operation warning lamp green High pressure warning lamp red Low pressure warning lamp red Hot gas thermostat trip warning lamp red Start stop switch Control fuse in the electrical box DESCRIPTION Function The A 700VTI is a condensing dehumidifier and is constructed on the principle that humidity in the air condenses on cold surfaces The cold surfaces are created on the vaporiser AEV by means of the compressor M03 transferring heat from the vaporiser to the condenser KD The dehumidifier is provided with two fans M01 and M02 which transport the air through the dehumidifier First the air passes the vaporiser AEV where the moisture condenses and is deposited on the vaporiser The water is collected in a trough located under the vaporiser and is then led away After this the air passes the condenser KD and the fans M01 and M02 In the condenser the air is heated at the same time as the condenser is cooled down Diagram showing principles of movement Compon
6. the dehumidifier s control systems and the machine cannot be started DESCRIPTION Pressure Switch GPO1 GPO01 is a double pressure switch for low and high pressure The low pressure contact starts the compressor when the pressure in the vaporiser reaches 2 0 bat and stops at 0 5 bar The high pressure contact stops the compressor when the temperature densor rises so that the pressure exceeds 23 bar The high pressure contact is reset manually using GPO1 Industrial Dehumidifier When using the A 700VTI at when the surrounding temperature T 15 lower than around 25 C it is necessary to optimise the defrosting cycle and operation by adjusting and adapting the low pressure values Cut in Cut out in the double pressure switch GPO1 If no ice is being formed on the vaporiser this is not necessary and then the factory setting is recommended Cut in 2 bar and Cut out 0 5 bar These settings are adjusted according to the surrounding temperature T are tested where the surr machine is currently operating In order to reduce the risk of an interruption in operation at surrounding temperatures under 25 C T should be constant See table 1 for the guideline value for the pressure switch s low pressure at different surrounding temperatures Please note that the table only specifies guideline values and may differ between machines and where the machines are currently being used The Cut in should no
7. 0 P1 5 7 16 Warning lamp green 1 KL302203 P2 4 5 7 16 Warning lamp red 3 KL302202 K1 16 Connection box 1 3230604 Q2 15 16 Connection box 1 3233024 Q3 15 16 Connection box 1 3232174 K4 7 15 16 Phase sequence relay 1 KL301007 K5 16 Relay 1 4027857 K6 16 Time relay 1 4036440 K7 16 Time relay 1 KL301407 K8 16 Time relay 1 4079150 KD 6 Condenser 1 KL400570 M01 02 7 15 Fan 2 KL300004 MO3 6 15 16 Compressor 1 KLA410300 SG 6 Inspection window 1 KLA402020 NOTES El Bj rn AB Box 29 334 21 Anderstorp Tel 0371 588 100 Fax 0371 181 34 info elbjorn se www elbjorn com KL597022 GB 141024
8. ATA Technical data of the dehumidifier Width Height Depth Weight Power supply Fuse Rated power Power consumption compressor Power consumption fans 2 pcs Working range temp Working range RH Dehumidifying capacity Air flow free blowing Refrigerant type Refrigerant quantity Pressure switch setting low pressure Pressure switch setting high pressure 1190 mm 1625 mm 890 mm 300 ke 3N 400V 25 A slow blow 6800 W 6000 W 800 W 10 55 C 20 99 max 30 l h 9000m3 h R134a 90008 2 0 bar diff 1 5 bar 23 bar DESCRIPTION AWN AEV GP01 GTO3 1
9. Every month Check every month to see that the dehumidifier is clean inside WARNING Use gloves when working on the condenser There is a danger of receiving cuts from the sharp grille slats Carry out the following actions whenever necessary e Clean the vaporiser cooling pipes with water e Blow clean other equipment with compressed air IMPORTANT Never point the flow of compressed air directly towards the grille slats on the condenser These can be damaged by a blast of compressed air Repairs In the case of comprehensive repairs contact your retailer During the guarantee period the retailer must always be contacted before any repairs are carried out 3 4 SPARE PARTS When ordering spare parts always quote Type Serial Number This information can be found on the top row of the dehumidifier s classification panel see page 3 Pos shows where the spare part is in the diagram Page s shows on what page s the diagram in question can be found Number shows how many units of the current spare part are to be found in the dehumidifier Pos Page s Name Number Catalogue No 1 5 Label Warning 400V 1 KL604236 3 5 Wheels 4 KL504210 AEV 5 6 Dehumidifier package 1 KLA400665 F1 7 15 Fuse Small circuit breaker B6A 1 2110106 FT 6 Drying filter 1 KL401330 GPO1 6 7 16 Pressure switch double 1 KL404015 GTO3 6 7 12 Hot gas monitor 1 KL30424
10. User manual Dehumidifier A 700VTI
11. ected If the dehumidifier will not start switch two phases Electrical connection External humidistat RH for automatic stopping An external humidistat regulates compressor Connect the humidistat to terminal 24 and 25 The dehumidifier compressor is in operation with closed hudistat contacts See page 9 external control for more options Simultaneous operation of several dehumidifiers AN WARNING Electrical connection of the dehumidifier and its peripheral equipment must be carried out by a qualified electrician in accordance with national installation regulations X1 RH 24 25 NOTE The figure to the right shows only parallel operation for two dehumidifiers control several dehumidifiers at the same time the appropriate pair of terminals should be connected to an external contactor The control coil of the contactor is to be connected to a external control RC To avoid that all dehumidifiers start at the same time the time relays K8 shall be set at different times Set the time relay in the 1 st dehumidifier to 0 sec the time relay in the 2 nd dehumidifier to 10 sec the time relay in the 3 rd dehumidifier to 20 sec 1 External start stop ME Dehumidifier 1 Dehumidifier 2 DEHUMIDIFICATION WARNING The dehumidifier s air intake and air outlet must never be co
12. ents AEV Vaporiser PT Drying filter GP01 Pressure switch KD Condenser M03 Compressor MU Test point SD Regulator unit SG Inspection window SV Safety fuse GT03 Hot gas monitor TC Expansion valve KD 1 2 Dry air M01 M02 MU GP GP01 KD M3 AEV GT03 da Moist air ZI 11 8 DESCRIPTION Electrical system Operation warning lamp P1 H1 is lit when the following conditions are met The dehumidifier is powered The phase sequence relay approves the connection external control is shut off High pressure warning lamp P2 If it gets too hot during operation maximum surrounding temperature 55 C the pressure in the condenser rises and the high pressure contacts in the pressure switch GP01 are triggered The high pressure warning lamp P2 lights up and the dehumidifier stops GP01 is reset manually using the reset button on the pressure switch Low pressure warning lamp P3 P3 is lit when the following conditions are met low pressure in the vaporiser is below the selected value 2 0 bar Ap 1 5 bar e 5115 in position 1 The phase sequence relay approves the connection Any external control is shut off Hot gas thermostat warning lamp P4 P4 flashes when the hot gas thermostat has been triggered The dehumidifier s built in relay K7 causes lamp P4 to flash for as long as the thermostat is tr
13. et automatically and lamp P4 stays lit After this the dehumidifier can be reset using S1 Alarm P4 is rest by switching the dehumidifier off and on again using S1 The dehumidifier is completely deactivated all lamps off If none of the lamps are lit and the dehumidifier is completely deactivated despite being correctly connected to a power supply including phase sequence it means that the fuse F1 has blown Reset the fuse as follows 1 Disconnect the dehumidifiet s electrical connection plug or circuit breaker Unscrew the lid on the electrical box Identify and isolate the cause of fuse F1 tripping Reset the fuse F1 Replace the lid and start the dehumidifier Oo i Comments The circulation fans have a built in overheating protection system that resets itself Defrosting At lower surrounding temperatures where ice forms on the vaporiser see page 9 under Pressure Switch GPO1 Industrial Dehumidifier MAINTENANCE WARNING disconnected from its power supply engineer Before any maintenance work is carried out on the dehumidifier the machine should be This is done either by removing the plug out of its power point or by means of shutting off the current with the help of a circuit breaker All maintenance on the electrical system must be carried out by a qualified electrician All maintenance on the cooling system must be carried out by a qualified cooling installation
14. iggered When the hot gas thermostat is reset lamp P4 stays lit Relay K6 is self regulating and is reset by switching the dehumidifier off and on using S1 On Off switch S1 Control switch Control fuse F1 The circuit breaker F1 breaks the current at 6A and protects the dehumidifier s control systems Hot gas monitor GT03 Protects the compressor from overheating Fans M01 and M02 Each of the fan motors are provided with a thermo contact GT01 and GT02 The thermo contacts are inside the motor coils and break the current when the temperature is raised The thermo contacts are reset automatically when the temperature has decreased Time relay K8 The time relay K8 is time delayed and can be set to a value between 0 and 300 seconds In order to avoid major instantaneous surges in current at the start of operation where several dehumidifiers are being governed from the same starting point the time relays on the different dehumidifiers are set for different times e g 10 seconds apart When the A 700VTI is being used at lower surrounding temperatures K8 is set to a start delay of 300 seconds see page 9 under Pressure Switch GPO1 Industrial Dehumidifier Phase sequence relay K4 The phase sequence relay detects whether all phases arecorrectly connected so that the motors turn in the right direction In the case of an incorrect connection the phase sequence relay stops the supply of current to
15. ontrol 230V AC Enables external control of the compressor only Looped on delivery Operational status signal lamps P1 P4 can be taken from plinths X1 31 P1 X1 32 P2 X1 33 P3 and X1 34 P4 9 INSTALLATION Set up The dehumidifier can be set up ona flat and stable surface After set up check the dehumidifier s wheels so that it is stable Water drainage The dehumidifier is provided with an outlet for connection to a water drain Connect the pipe R1 so that it feeds down to a floor drain or similar 21 BZZ HH B E Air circulation The appropriate place for the dehumidifier is with its back against a wall inside the drying area The free area in front must be a minimum of 400 mm The free area above must be a minimum of 800 mm External fans If there are any other fans for air circulation in the drying area these must not blow directly onto the dehumidifier s inlets or outlets Min 800 mm Min 400 mm INSTALLATION Electrical supply Connect the humidifier via a main switch to 3N 400 V and protective earth PE The mains shall be fused with 25 A slow blow fuse Connect to terminal X1 The phase sequence relay K4 is activated only if the dehumidifier is correct conn
16. ply first The manufacturer s guarantee on this product fulfils the safety requirements of the low voltage directive Safety while setting up the machine Any fixed connection to an electricity supply and that of any peripheral equipment must be carried out by a qualified electrician Safety while using the machine The dehumidifier s air intake and air outlet must never be covered during operation Protective covers and covering plates must never be removed during operation Warning and Important Note In the text of these user instructions the following boxes are in relevant places WARNING These boxes give warning of potential personal injury or damage to property The warning boxes are placed in front of the procedure to which they refer IMPORTANT These warning boxes set out actions which facilitate a particular procedure and any special instructions Safety during maintenance Before any maintenance work is carried out on the dehumidifier the machine should be disconnected from its power supply This is done either by removing the plug from the power point or by shutting off the current using a circuit breaker All maintenance on the electrical system must be carried out by a qualified electrician All maintenance on the cooling system must be carried out by a qualified cooling installation engineer When cleaning the condenser use gloves in order to avoid cuts TECHNICAL D
17. t exceed 3 bar and the Cut out should not go below 0 bar In order to ensure the smooth operation of the compressor the time relay K8 is also adjusted to a start delay of 5 minutes see table 1 Tel C Cut in bar Cut out bar Tid pa K8 s 10 1 2 0 300 Table 1 11 1 3 0 300 Guideline values for adjusting 12 1 4 0 300 the pressure switch s low pressure 13 1 4 0 300 values Cut in and Cut out during operation at surrounding 2 300 temperatures lower than 15 1 6 0 1 300 25 C 16 1 7 0 2 300 Please note that the table only 17 1 8 0 3 300 specifies guideline valnes and may 18 1 9 0 4 300 differ between machines and where 19 2 0 05 300 the machines are currently being 20 2 1 0 5 300 an 21 2 3 0 5 300 22 2 4 0 5 300 23 2 5 0 5 300 External control The dehumidifier is designed to be connected to various systems X1 24 amp X1 25 External control 230V AC Enables external start closed contact and stop open contact E g Hygrostat control Looped on delivery 1 6 X1 7 External control 230V Enables external control of the dehumidifier with monitoring circuits in operation Looped on delivery X1 11 amp X1 12 External control 230V AC Enables external control of electrical heating accessory Looped on delivery X1 13 X1 N Control voltage 230V AC for electrical heating accessory X1 20 amp X1 21 External c
18. upply i e the first thing you must do is read this instruction book There are symbols and warning marks in this instruction book and on the dehumidifier which are shown on the next page If any warning label on the dehumidifier has been deformed or damaged a new one must be ordered and affixed on the machine as soon as possible in order to ensure the greatest possible safety during the use of the dehumidifier The dehumidifier must only be used for the types of work which are described in these user instructions The manufacturer reserves the right to make alterations to these instructions TABLE OF CONTENTS Introduction Assit bide 3 Safety Instructions assistant 4 Technical Data iaa 5 Description una 6 9 Installation seiten 10 11 Dehumidification 12 Maintenance aaa 13 Spare PS inicios 14 Notes ains naa 15 Please read through this instruction manual carefully and make sure you havefully understood its content CE before using the machine SAFETY INSTRUCTIONS Warning marks LL A VARNING 400V Read through this instruction book carefully and understand its contents before you use this dehumidifier Warning This dehumidifier can become dangerous Careless or incorrect usage may result in serious and even life threatening injury Warning high voltage is present if the cover is removed without the dehumidifier being disconnected from its power sup
19. vered during use Protective covers and covering plates must never be removed during use The dehumidifier extracts moisture from the air at temperatures between 10 55 C Connect the dehumidifier Start the dehumidifier with the start switch S1 The operation warning lamp P1 will light up Switch off the dehumidifier with the start stop switch S1 IMPORTANT The maximum temperature allowed during dehumidification is 55 C If the temperature rises higher than this the high pressure protection system GP1 is triggered High pressure trigger P2 lights up If the dehumidifier stops and the high pressure lamp P2 lights up the high pressure protection system on the pressure switch GP01 has been triggered Once the dehumidifier has cooled down maximum surrounding temperature 55 C the protection system is rest by pressing the reset button Low pressure trigger P3 lights up If the dehumidifier stops and the low pressure lamp P3 lights up either the surrounding temperature is too low or the amount of cooling medium is too small in the latter case call the cooling technician Motor protection compressor trigger P4 lights up flashes If the compressor stops this means that the compressor is too hot Lamp P4 flashes for as long as the compressor s built in overheating protection system has been triggered Once the compressor has cooled down the built in protection is res
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