UNIDARE VFMi40A & VFMi60A INSTALLATION
Contents
1. DERBY UNIDARE VAMIA4OA amp VAMIGOA INSTALLATION MANUAL Contents Operating instructions for the user Delivery conditions Minimum clearances Assembly Circuit diagram Resetting the thermal cutout Commissioning Technical information n N WD IO D UI ODOWMOhhw Operating instructions General notes Please take good care of these operating instructions and in event of there being a change of ownership of the appli ance pass them on to the next owner The user instructions must always be available and when an electrician is wor king on the appliance thev must be given to him for refe rence The installation and repair of the appliances may only be carried out bv qualified personnel Repairs which are not properly undertaken can lead to considerable damage Attention Important During operation the temperature rise of the heater surfa ce may exceed 80 C Covering the heater will lead to higher than normal opera ting temperature at the surface and may result in the covering material being scorched It is imperative to ensure that combustible or flammable materials such as curtains paper aerosol cans etc are not placed next to in front of or on top of the heater and do not lie in the direct path of the warm air current from the fan Never use a steam cleaner to clean the storage heater Function The storage heater operates by storing up in the core material at nigh2. fuse circuit breaker in the fuse box and if necessary change or reset it If the fuse blows or circuit breaker trips again call your service man The doors and windows are always open or the adjoi ning rooms are not heated although the system was dimensioned to include the heating of neighbouring rooms There is no fault in the appliance or the control 2 The room is too warm The room thermostat is not properly set If necessary adjust the setting The charge controller is not properly set If necessary adjust the setting Before you call the service man please first try to eliminate the fault yourself using the hints outlined above Installation instructions Delivery conditions The heating elements for the storage heaters are not instal led in the factory Special sets of heating elements are deli vered separately see table on page 10 The heating element set contains the elements the knob for the charge controller the accessories for tip over protection the fixing screws for the wall mounting spacer All wall mounting spacers are contained in the cardboard package on top of the polystyrene packing The storage bricks are separately packed and delivered as a complete set Transport damage should be reported immediately to the carrier Minor damage to core bricks does not significantly affect the operation of the heater Erection The installation and connection of the unit may only b
3. R3 Heating elements R7 Series resistor for fan R8 Control resistor R9 Additional heating accessory RTR Room temperature controller STR1 2 Safety temperature controller TB Thermal cutout TR Charging controller TRO Temperature control extra heat TRG Temperature control air grille Unit assembly 17 Insert the front wall into the folded edge on the cover 18 Screw the front wall tight screw B raising the cover slightly in doing so 19 The side walls have keyhole cutouts Push the side walls over the screws and push downwards i i ca e a Resetting the thermal cutout when there has been a fault This should only be done by a skilled person Isolate the storage heater from the power supply Allow the unit to cool down sufficiently Remove the right hand side panel Press the reset button e g using the blade of a screwdriver Charging control If a central charging control is used the control signal must be connected to terminals A1 Z1 A2 Z2 of the storage heater see circuit diagram on page 8 Please pay attention to the charging control notes in the operating instructions Commissioning When all installation and connection work has been com oleted the heater must be tested to ensure it is functio ning properly The following minimum tests shall be performed Insulation test with a voltage of at least 500 V The insulati on re
4. this includes floor mats Warning Electric storage heaters may not be operated in areas where explosive gas may be present in areas where corrosive air is to be expected e g dry cleaners hair dressing salons etc Important Installers of storage heaters in industrial or public areas such as hotels holiday apartments schools administration buildings and the like must ensure that the enclosed war ning symbol Do not cover or obstruct the heater is stuck in an easily seen position on the units housing Unit assembly Important The heater may only be installed and repaired by skilled persons 1 Take the heater out of its packaging Dispose of the packing material in an appropriate way Screw the two side wall contact strips onto the rear wall of the heater Screw the upper wall contact strip onto the two wall contact strips on the sides 3 Push the left hand and right hand side walls vertically about 5 mm upwards and then pull off horizontally Undo the fastening screws for the front wall 5 Stability in the case of a fixed connection to the mains supply without wall box all types of heater must be secured against toppling over The heater types VFMi 20 und VFMi 30 must be secured against toppling even if a wall box is used The finally assembled heater must be able to resist a horizon tal pull of at least 200N on its upper edge without toppling or sh
5. e Maintenance The storage heater requires very little maintenance It is however recommended that before the start of the second heating season the ventilator inlet and outled com partments be cleaned by qualified personnel Hereafter the maintenance intervals can be decided on an individual basis What to do in case of a fault If the heater develops a fault please pay attention to the directions here If you cannot find the cause of the fault please call your nearest service office or authorised work shop In such cases please give the service number of your unit and as exact a description as possible of the fault You will find the service number E Nr and FD of the appliance on the rating label on the right hand side of the appliance underneath the air outlet grill 3 N PE 400V 50 6052 TINPE 230VS0 6OH2 0 Din PA was onw aww LA sw lilma HFi380 JENG3 330 Service number Rating label asein imm I Eleminating small faults yourself 1 The room is not warm enough Check the fuses circuit breakers for the storage heaters in the fuse box and if necessary change them or switch them on If the fuses blow or circuit breakers trip again call your service man The charge controller intensity of the storage heater is turned down too low Adjust the setting e The room thermostat is not properly set if necessary adjust the setting The fan in the storage heater is not working Check the
6. e carried out by qualified personnel who are licensed to undertake such installations by your local electricity supply company The erection site must be flat and even and the bearing Strength of the floor should be capable of taking the weight of the storage heater see table on page 10 The units can be erected on any conventional floor although changes can occur in floor covering at the foot of the hea ter because of its weight and the heat it generates where it is in contact with PVC parquet flooring or soft or light coloured carpeting lf there is any skirting board or carpet in contact with the back of the heater it must be removed before using the unit Underlay slabs or wall mountings should be used if it is expected that the feet of the unit will sink into the floor covering thus preventing convection underneath the stora ge heater In the case of deep pile carpets underlay slabs or a floor podium unit must be used The minimum clearances must be Strictly observed and may under no circumstances be reduced Minimum Clearances The distance between the storage heater sides top and other things in the room like e g window recesses and cupboard walls must be at least 100 mm If two storage heaters are erected beside one another the minimum distance between them must be 100 mm The air outlet grill must have at least 300 mm clearance i e nothing may interfere with the air outlet within a 300 mm distance and
7. e third radiator Unit assembly 13 Insert core space cover Left hand side The lip at the top of the core space cover must lie on the left hand partition The side edge of the core space cover must be pushed behind the lip of the left hand partition Right hand side Insert side flange of the core space cover between the thermal insulation and the partition paying attention to the guide slots Tightly press the core space cover and screw it tightly to the right hand partition 14 Connect the radiators For this purpose place the numbered connecting cables on the connection ends of the radiators The partition is also marked with the corresponding numbers Fasten loose cables to the cable harness 15 Stick the rating plate of the radiator set on the heater nameplate weight charge acceptance 0 control part AMM auxiliary heating A fan Electrical connection Connection with wall mounted room temperature controller PE 400 V K1 N 3 N G O N TBE TF o STR o R iu OC PE pe Ai i 44 A2 Z2 _ 230V ED LE N L 16 Circuit diagram designations A1 Z1 Control signal of charging control not neccessary if manual charging is desired A2 Z2 K1 Heating contactor L1 L2 L3 External conductor LE Control for fan LH Control for additional heating M1 Fan motor N PEN conductor PE Protective conductor R1
8. ifting If the required stability cannot be achieved with the supplied accessories e g in the case of light construction walls the installer must select a suitable wall fixing method It is recommended to secure all heaters against toppling regard less of their size and type of connection 2 Remove the fastening screws for the two side walls 4 Swing the front wall forwards and remove it from the upper edge Insert the connecting cables and strain relieve see also electrical connection page 8 The connecting leads should be cut to a suitable length so that they cannot come into contact with any hot surfaces of the heater No loops of cable should be left behind or under neath the unit 6 Remove core space cover For this purpose unscrew the middle fastening screw swing the core space cover out slight ly on the right hand side and pull it to the right Lay the cover down in such a way as not to damage the thermal insulation Unit assembly 8 Put in the lower row of storage bricks Begin at the right hand side 9 After putting in the lower row of bricks install the first 10 Put in the second and third rows of bricks Install radiator second radiator 11 After putting in the fourth row of bricks install the 12 Put in the last row of bricks 6 rows of bricks in all third radiator Push the fifth row of bricks sideways under Clean the air outlet space and the switching space th
9. s not damaged Damaged sections of the thermal insulation must be replaced The first charging after re assembly starting from cold con dition of the unit room temperature up to switching off the charging controller must be supervised by a specialist The electrical power consumed shall be recorded This must not be more than 125 of the rated charging indica ted on the capacity plate Notes regarding repair Repairs to electric storage heaters must only be performed by specialists Improper repairs may involve considerable risks for the user The heaters are equipped with high quality thermal insula tion Only remove the core space cover with integrated thermal insulation if radiators need to be replaced Access to all other electrical parts is provided by removing the side wall All materials of this appliance are recycabel 459272 66 25 05 03 A In keeping with our policy of continuous improvement we reserve the right to make changes without notice
10. sistance must not be less than 0 5 MQ The installer shall measure the power consumption e g with a kWh counter As an alternative a cold resistance test can be performed It is not necessary for a specialist to carry out initial hea ting up of the unit Once the operating test has been com pleted the unit can be handed over straight away to the user for heating Technical information only for 5 and 6 hours charge period Model Storage Heating Wattage of Mains voltage Charge Heater Transporta Dimensions bricks set element heating acceptance weight tion weight in mm elements in kWh in kg in kg WxHxD HFi 212 i HFi 216 3 N PE VEMI 20 4x25 HE 290 400 V 16 34 5 626 x 672 x 250 HFi 227 HFI 318 HFi 324 3 N PE VFMI 30 6x25 HFI 330 400 V 24 137 40 776 x 672 x 250 HFi 340 HFi 425 HFi 432 3 N PE VFM 40 8x25 HFi 440 400 V 32 176 46 926x672 x 250 HFi 452 HFI 540 3 N PE VFMI 50 10x25 HFI 550 Ri 40 215 52 1076 x 672 x 250 400 V HFI 564 HFi 648 3 N PE VFMi 60 12x25 HFI 660 X 48 254 57 5 1226 x 672 x 250 400 V HFI 676 HFi 756 VEMi70 14x25 HFi770 Ne 56 635 1376x672 x 250 HFi 790 E Re installation Units which have already been in service dismantled and re installed elsewhere must be commissioned after their re installation in accordance with the instructions stated under Commissioning above When carrying out installation it must be ensured that the thermal insulation i
11. t the heat required during the day In this way the heater consumes inexpensive electricity energy during the period when the electric distribution networks are not fully utilised Note The temperature at the heater surface is only a rough mea sure of the heat content of the appliance This is especially so of heaters with differing power ratings Occasionally during operation a cracking sound may be heard from the heater This arises because of the changing temperature of the heaters core material The first charging cycle As with all new appliances during the first usage there may be an odour Please allow adequate ventilation for this possibility Manuel charging If the charging of the heater is to be controlled manually the control knob should be pushed fully onto the shaft of the charge controller To do this the plastic cap on the top right side of the heater must first be removed The amount of heater to be stored is changed by turning the knob General rule On very cold days a high amount of char ge is required turn knob all the way to the right If the outside temperature is higher then choose a lower setting Setting changes should only be made in small steps When the knob is turned all the way to the left the heater does not charge up at all The delivery of the stored heat from the storage heater for room heating purposes is auto matically controlled by the room thermostat maximum charge no charg
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