AC25 - VEAB Heat Tech AB
Contents
1. Motor trafo UOISJ8A UD SUPPLY NP AC25 10 W AC25 15 W AC25 20 W AC25 13 20304 1YBIY J0jOUI DDD 4osues ON ON 100 E HE aie o o H5 pt a Hz uOIsJaA Z MTINGVd 8 BE E Qo PAMLK motor alarm card AC25 14 AC25 VEAB PLS Basic AC25 E PLSB2 PLSRTX PLSUB1 sidus optional ROOM m 5 X4 X3 Unit ID ACTUATOR SUPPLY LJ DIEP 1 PLS Basic Parallel connection PLSB2 PLSB2 PLSRTX PLSUB1 optional ROOM 2 C1 ROOM eV 2 1 Pot x5 Pot Unit ID ACTUATOR SUPPLY i Unit ID ACTUATOR SUPPLY EJ LJ ET NIL Pe 1 1 1 1 i i i i 1 1 1 1 1 1 1 1 1 TE oe 1 1 1 1 1 1 1 1 1 1 1 1 We Meee See Sees ees stesso eases 1 1 1 1 i a Been e Roe WR ete te HERE ete tet er ERR RR n aea2. Wiring diagrams for PLSAC Competent see manuals for PLS AC25 PLS Basic AC25 W PLSB2 50230 PLSRTX PLSUB1 optional C1 ROOM Pot PET x4 ID ACTUATOR SUPPLY OOO er 1 1 1 AC25 PLS Basic Parallel connection AC25 W Pot 2 C1 unit CS Lan tun C1 c2 Pot x5 PLSB2 2 C1 Pot p 1 1 i ACTUATOR SUPPLY 1 Sept kya Unit ID ACTUATOR SUPPLY tel O OD Tees T 1 ACTUATOR SUPPLY wee eee 22 ROOM NIC P sees sees sd eee 50230 X3 l SD230 PLSRTX PLSUB1 optional ROOM X3 Wiring diagrams for PLSAC Competent see manuals for PLS AC25 NB We reserve us from typographical errors and the right to make changes and improvements to the contents of this manual without prior notice VEAB Heat Tech AB Visitors adress Org no F skatt Postal Cheque Service Fax Phone Box 265 Stattenavagen 50 556138 3166 48 51 08 5 Int 46 451 410 80 Int 46 451 485 00 5 281 23 Hassleholm Delivery adress VAT no Bank Transfer E mail Website SWEDEN Angdalavagen 4 SE556138316601 926 0365 veab veab com
3. AC25 Installation and maintenance instruction for air curtains IMPORTANT Read these instructions before the product is installed and used Save the instructions for future USE sssrini unnist iaa 2 Art nr 172785 01 AC25 Assembly and operating instructions Safety For all installations of electrically heated products should a residual current circuit breaker 300 mA for fire protection be used Keep the areas around the air intake and exhaust gril les free from possible obstructions CAUTION During operation the surfaces of the unit can be hot The unit must not be fully or partially covered with clothing or similar materials as overheating can result in a fire risk E The appliance can be used by children aged from 8 years and above and by persons children included with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved Children shall not play with the appliance Cleaning and user maintenance shall not be made by children without supervision Children of less than 3 years of age should be kept away unless continuously supervised Children aged from 3 years and less than 8 years shall only switch on off the appliance provided that it has been placed or installed in its intended normal operating position and they have been giving su
4. coil is connected on the upper side of the unit with 915 mm smooth copper pipe with a suitable coup ling or soldering The connections to the heating coil must be equipped with shut off valves not included to allow problem free removal Water coil is equipped with a drain valve A vent valve should be connected at a high point in the pipe system Air valves are not included NOTE Care must be taken when connecting the pipes Use a wrench or similar to hold the air curtain connec tions to prevent straining of the pipes and subsequent water leakage during connection to water supply pipe work Adjustment of the air curtain and air flow The direction and speed of the air flow should be ad justed considering the load on the opening Pressure forces affect the air stream and make it bend inwards into the premises when the premises are heated and the outdoor air is cold The air stream should therefore be directed outwards to withstand the load Generally speaking the higher the load the greater the angle that is needed Basic setting fan speed The fan speed when the door is open is set using the control Note that the air flow direction and fan speed may need fine adjustment depending on the loading of the door Filter W The water coil is protected against dirt and blockage by an internal air filter which covers the coil face AC25 Service repairs and maintenance For all service repair and maintenance first carry out
5. on the underside of the coil on the connector side It can be accessed via the front hatch AC25 Trouble shooting If the fans are not working or do not blow properly check the following That the intake grille filter is not dirty Functions and settings of the control system PLS see manual for PLS If there is no heat check the following Functions and settings of the control system PLS see manual for PLS For units with electrical heating check also the following Power supply to electric heater coil check fuses and circuit breaker if any That the overheat protection for the motors has not been deployed For units with water coil check also the following That the water coil is air free That there is enough water flow That incoming water is heated enough If the fault cannot be rectified please contact a qualified service technician Residual current circuit breaker E When the installation is protected by means of a residual current circuit breaker which trips when the appliance is connected this may be due to moisture in the heating element When an appliance containing a heater element has not been used for a long period or stored in a damp environment moisture can enter the element This should not be seen as a fault but is simply rectified by connecting the appliance to the mains supply via a socket without a safety cut out so that the moisture can be eliminated from the element The drying ti
6. the following 1 Disconnect the power supply 2 The front hatch is removed by removing the screws on the top of the unit and then detaches the bent edge at the bottom Fig 3 3 After the service repair and maintenance reattach the front hatch Place the hatch at the lower edge with the bent edge and fasten on top with screws Maintenance Unit with water heating The appliance filter should be cleaned regularly to ensure the air curtain effect and the heat emission from the device How often depends on local circumstances A clogged filter is not a risk but the appliance function can fail 1 Disconnect the power supply 2 The front hatch is removed by removing the screws on the top of the unit and then detaches the bent edge at the bottom Fig 3 3 Remove the filter and vacuum clean or wash it If the filter is clogged or damaged it may need to be changed All units Since fan motors and other components are maintenance free no maintenance other than cleaning is necessary The level of cleaning can vary depending on local conditions Undertake cleaning at least twice a year Inlet and exhaust grilles impeller and elements can be vacuum cleaned or wiped using a damp cloth Use a brush when vacuuming to prevent damaging sensitive parts Avoid the use of strong alkaline or acidic cleaning agents Overheating The air curtain unit with electric heater is equipped with an overheat protector If it is dep
7. F DN15 VOS20 DN20 VOS25 DN25 VOT15 DN15 VOT20 DN20 VOT25 DN25 VAT 11 VAT CNN Heat Tech AB 10304 497 PL 7 2 EAB 1 1 1 1 oo 1 1 IN 4osues 91014 i i 1030W Wee ois ape Q b L 9 ITF E E T 4 5 1 gg SE EEE ERE ERE UOISI8A UD AC25 AC25 10 E08 AC25 15 E12 AC25 20 E16 iun anta v va cc o T no n yno jno 5 yeay E HR ELJ 4 PE EE NE TEE ENG H 2 ra T L A 1 Enc i Y I rt L ba ci ri 19 1 2 Jamod 15 M vri 1 Va Ly i pog yo 3 Inn uBiu 36 e 44 e 448 E 12 1YBIY 10 0W 437 uny og PIN co Lo THE ID pot Ede Josuas 4010 A
8. d See manual for PLS Unit with water heating Connected via the built in control board PLS with 1 5 m cord and plug Unit with electrical heating The electrical installation is made on the top of the unit fig 2 Power supply for heating 400V3N are connec ted to terminal block in the internal connection boxes 2 metre units require dual power supplies The largest cable diameter for the terminal block is 16 mm The cable glands used must meet the protection class requirements In the distribution board it is to be indicated that the air curtains can be supplied from more than one connection See wiring diagrams T Output Voltage Minimum ype area kW IV mm AC25 10 E08 8 400V3N 2 5 AC25 15 E12 12 400V3N 4 AC25 20 E16 8 400V3N 25 Start up When the unit is used for the first time or after a long period of disuse smoke or odour may result from dust or dirt that has collected on the element This is completely normal and disappears after a short time ZZVEAB me Heat Tech AB Connecting the water coil W The installation must be carried out by an authorised installer The water coil has copper tubes with aluminium louvers and is suitable for connection to a closed water heating system The heating coil must not be connected to a mains pressure water system or an open water system Note that the unit shall be preceded by a regulating valve see valve kits The water
9. ets for mounting meter unit the unit suspended from the ceiling AC25 10 AC25 15 PAIS Length 1 m The pendulum brackets are covered Units 2 pcs by a white plastic duct to hide the cables The brackets may be cut to Pendulume for 2rneter nit the desired length should shorter i suspension heights than 1 m be 2 20 pr im Hessen desired Used with ceiling mounting brackets PA2PF 10 O PA34TR PA2P AC25 Accessories PLS PLSB Control unit Basic Incl control unit PLSUB1 and 5 meter modular cable with RJ12 quick connect IP30 PLSAC Control unit Competent Incl PLSUA1 control unit box cover PLSC1X hub unit PLSDC door switch and 2 modular cables with RJ12 quick connects 1 pc 3 m 1 pc 5 m IP30 PLSRTX External room 70x33x23 mm temperature sensor SIRECJ4 RJ11 coupler 4 4 Used to join together two RJ11 or RJ12 connec tors SIRECJ6 RJ12 coupler 6 6 SIRECC403 Length SIRECC405 Length 5m RJ11 modular cable 4 4 SIRECC410 Length 10 m SIRECC415 Length 15 m SIRECC603 Length 3 m SIRECC605 Length 5 m RJ12 modular cable 6 6 SIRECC610 Length 10 m SIRECC615 Length 15 m PAMLK Motor alarm board Provides a potential free alarm connection when thermal contact is triggered in the motor Installed in the air curtain Control valves for water systems optional Type Connection VOS15LF DN15 VOS15N
10. ilation should therefore be balanced Mounting The air curtain unit is installed horizontally with the supply air grille facing downwards as close to the door as possible Minimum distance from outlet to floor for elec trically heated units is 1800 mm For other minimum distances see fig 4 Mounting with wall brackets fig 6 1 Mount the brackets on the wall see fig 6A and dimension drawing fig 1 If the wall is uneven the brackets must be compensated for this 2 Hook on the unit at the lower edge of the brackets Fig 6B C 3 Bend the top of the console over the unit and slide the unit s screws along the rail into the slots on the consoles Fig 6D When the bracket is bent once it must be replaced if bent back more than 45 4 Lock the nuts against the brackets Fig 6E Horizontal mounting on the ceiling Threaded rods hanging brackets and ceiling mounting brackets for ceiling mounting are available as accessories see accessories pages and separate manuals AC25 Electrical installation The installation which should be preceded by an om nipolar switch with a contact separation of at least 3 mm should only be wired by a competent electrician and in accordance with the latest edition of IEE wiring regulations The control system is pre installed in the air curtain with an integrated control card PLS is supplied pre programmed with quick fit connections Modular cables are connected to the control boar
11. loyed due to overheating reset as follows 1 Disconnect the electricity with the fully isolated switch 2 Determine the cause of overheating and rectify the fault 3 Remove the front hatch 4 Press the red button located inside the air curtain unit at the inner gable of the connection box 5 Reattach the front hatch and connect the unit again All motors are equipped with an integral thermal safety cut out This will operate stopping the air curtain should the motor temperature rise too high The cut out will automatically reset when the motor temperature has returned to within the motor s operating limits Temperature control Temperature control of PLS maintains the exhaust temperature to approx 40 C If the temperature should exceed anyway there is an overheating alarm For more information see the manual for PLS Replacing the electrical coil E 1 Mark and disconnect the cables to the electric coil 2 Remove the mounting screws securing the electric coil in the unit and lift the electric coil out Replace faulty electrical coil 4 Install the new electric coil in reverse order to the above R Replacing the water coil W 1 Shut off the water supply to the unit 2 Disconnect the connections to the water coil 3 Remove the mounting screws securing the coil in the unit and lift the coil out 4 Install the new coil in reverse order to the above Draining the water coil W The drain valves are
12. me can vary from a few hours to a few days As a preventive measure the unit should occasionally be run for a short time when it is not being used for extended periods of time 1025 1535 2025 10 345 min 500 145 2m _ 145 500 500 145 62 40 145 min 500 min 500 145 Fig 1 Gland 2175 Gland 17 5 32 5 Knock out 925 5 Knock out 20 5 Gland Knock out 4175 Fig 2 Fig 3 Open the unit AC25 Minimum distance ZZVEAB Heat Tech AB min 60 Fig 4 Minimum distance AC25 Mounting with wall brackets 33 lt x Fig 6 Mounting with wall brackets AC25 10 2 pcs AC25 15 2 pcs AC25 20 2 pcs AC25 Mounting accessories PA2PF15 Ceiling mounting bracket for 1 25 10 AC25 15 Pendulum brackets for unit moun and 1 5 meter unit ting and ceiling bracket for mounting on the ceiling using hangers or m threaded rods Ceiling mounting bracket for 2 lt Threaded rods for 1 1 5 PA34TR15 meter unit Length 1 AC25 10 AC25 15 Units 4 pes Threaded rods for ceiling mounting Used with ceiling mounting brackets Threaded rods for 2 meter unit PA2PF PA34TR20 Length 1 AC25 20 Units 6 pcs Pendulums for 1 and 1 5 Pendulum brack
13. pervi sion or instruction concerning use of the appliance in a safe way and understand the hazards involved Children aged from 3 years and less than 8 years shall not plug in regulate and clean the appliance or perform user maintenance General Instructions Read these instructions carefully before installation and use Keep this manual for future reference The product may only be used as set out in the assembly and operating instructions The guarantee is only valid if the product is used in the manner inten ded and in accordance with the instructions Application area The AC25 air curtain unit is supplied with electrical heating or hot water heating AC25 is intended for installation heights up to 2 5 metres Protection class for units with electrical heating IP20 Protection class for units with water heating IP21 Operation Air is drawn in at the top of the unit and blown out downwards so that it shields the door opening and mi nimizes heat loss To achieve the optimum curtain effect the unit must extend the full width of the door opening The grille for directing exhaust air is adjustable and is normally angled outwards to achieve the best protection against incoming cold air The efficiency of the air curtain depends on the air temperature pressure differences across the doorway and any wind pressure NOTE Negative pressure in the building considerably reduces the efficiency of the air curtain The vent
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