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OUH Range Users, Installation & Servicing Instructions Doc Ref M105 issue 5.8 Apr 2020.

F - Free Blowing Unit

CCF - Centrifugal Unit

Model

Running

Current (A)

Fuse/MCB Rating (A)

Running

Current (A)

Fuse/MCB Rating (A)

(motor rated Protection Device)

OUH20

0.94

3 / 6

4.30

6 / 6

OUH30

0.46

3 / 6

4.33

6 / 6

OUH45

0.48

3 / 6

5.54

10 / 10

OUH60-35s

1.70

3 / 6

8.00

10 / 10

OUH60-28s

1.70

3 / 6

9.76

13 / 13

230V Heat Low Demand
230V Main Fan Only
230V Heat High Circuit
230V Lockout Indication
230V LNE to Controller

terminal 1

terminal 3

terminal 4 & 5

terminal 6

terminal 11, 12 & 13

Out

put 2

30V

put 2

30V

n O

y Si

al 2

30V

at O

n Si

al 2

30V

ve O

put

tra

Ear

t3 t4 t5 t6

t10 t11

230V Supply

for Controller

High

Fire

Circuit

out Si

al 2

30V

The wiring terminals are located under the lid of the

electrical box on top of the unit.

Mains input 230V 50Hz 1Ph supply connections are via

a separate LNE terminal block. For input power refer to

table below. Control circuitry / external control mains

connections are via a numbered terminal strip. These

being:

Содержание OUH 20

Страница 1: ...w w w p o w r m a t i c c o u k OUH User Installation Servicing Manual Issue 5 8 Apr 2020 Doc Ref M105 Issue 5 8 Apr 2020 ErP COMPLIANT S E P T E M B E R 2 0 1 8 ...

Страница 2: ...ter must have been installed by a competent qualified installer and in accordance with the manufacturer s instructions building regulations and local regulations 2 The heater has been professionally commissioned within 4 weeks of installation and a copy of the commissioning sheet returned to Powrmatic 3 The heater has been maintained on a yearly basis by a competent and qualified servicing company...

Страница 3: ... 2 7 Servicing 24 Additional Documents 3 1 Fault Finding 28 3 2 List of Parts 29 3 3 Oil Conversion 31 Appendices Information required for ecodesign ErP Directive 2009 125 33 Users Installation and Servicing Instructions CONTENTS Contents Powrmatic oil fired heaters are only designed for operation with either certified Gas Oil to BS2869 Class A2 or D also referred to as 35 sec Oil or Red Diesel an...

Страница 4: ...y any external controls e g Timeclock When the white button is pulled out the fan will start and stop automatically in conjunction with the burner ii Limit Thermostat This operates if high temperatures within the heater are detected the burner is turned off and a red indicator light on the front of the heater is illuminated The fault condition must be identified and rectified and the thermostat ma...

Страница 5: ...an axial type fan assembly fitted at the rear of each heater to circulate the air being heated across the combined combustion chamber heat exchanger A centrifugal fan variation is presented in the OUH C range for ducted applications The OUH D range in having no fan fitted allows for ducted use where the air moving unit is remote from the heater All units are fired with a forced draught packaged oi...

Страница 6: ... Low Fire min kW 16 4 24 2 33 7 45 2 Input nett CV High Fire max kW 21 7 31 7 53 0 66 8 Low Fire min kW 17 5 26 0 37 1 50 9 Airflow Volume OUH F m3 s 0 7 0 82 1 19 1 94 OUH C m3 s 1 0 0 82 1 19 1 88 Throw OUH F m 10 16 25 34 Fan Static OUH C Pa 275 305 275 384 Electrics Supply Standard V ph Hz 230 1 50 Optional V ph Hz 415 3 50 OUH F Run amp 0 94 0 46 0 48 1 70 OUH C Motor kW 0 55 0 55 1 1 1 5 Run...

Страница 7: ...6 6 7 7 8 8 A A B B C C D D E E F F Title Here OUH F 30 45 60 Axial Freeblowing Fan SCALE 1 10 SHEET 1 OF 1 Description Here Material Gauge Spec Here ISS MODIFICATIONS DATE DCR I A DRN UNSPEC TOLS Hole centers 0 1mm General 0 1mm Finished sizes 0 1mm MM DO NOT SCALE This drawing is copyright and the property of POWRMATIC LIMITED It must not be used without their knowledge nor communicated to any o...

Страница 8: ...ow fire 8 27 120 4 0 0 7 12 16 52 8 232 Riello Burner Settings 35sec Oil Diesel Net CV Hi 42 69MJ kg Notes CO2 values and Nett flue gas temperatures are given for guidance and measured values will depend on site conditions OUH C 30 45 60 Centrifugal Fan 1 2 Technical Data Dimensions 1 2 3 4 5 6 7 8 A A B B C C Title Here OUH C 30 45 60 Centrifugal Fan Unit SCALE 1 10 SHEET 1 OF 1 Description Here ...

Страница 9: ...45 F 1 19 4284 n a 25 n a 0 27 52 126 CCF 1 19 4284 275 n a 275 1 1 TBA 142 OUH60 F 1 94 6984 n a 34 n a 0 27 53 126 CCF 1 88 6768 384 n a 384 1 1 TBA 142 Heater Specifications MODEL Burner Type Nozzle Pump Pressure Head Setting Combustion Air Nominal CO2 NOx Nett Flue Temp Danfoss bar p s i no no mm ppm C OUH20 RG1 RKD 0 55Gal 45 S High Fire 10 0 144 0 3 1 0 12 56 84 3 193 Low fire 7 0 100 0 3 0 ...

Страница 10: ...itiated atmospheres or where adverse wind conditions may be experienced Where the location of the heater is such that it might suffer external mechanical damage e g from overhead cranes fork lift trucks etc it must be suitably protected Any ducting should be kept as short and direct as possible having regard to the distribution of the heated air and the max duct resistance shown in section 1 3 10 ...

Страница 11: ... opening in a building in such concentration as to be prejudicial to health or a nuisance 1 3 6 Ventilation Requirements Type B flued installations Where LNVx heaters are installed within the heated space ie not in a plant room or an enclosure and having a building design air change rate of greater than 0 5 h additional provision for ventilation is not required If the building design air change ra...

Страница 12: ...erheat conditions Conversely if the duct system resistance is insufficient then the main fan motor may draw excess current and trip to overload Additional resistance must be introduced to stop the fan motor from free wheeling and eventually causing an electrical thermal trip condition e g by adjustment of duct outlet nozzles and balancing of the duct system Using a clamp meter around the fan power...

Страница 13: ... passes must be fire stopped Care must be taken to ensure that return air intakes are kept clear of sources of smells and fumes and where there is any possibility of pollution of the air by dust shavings etc precautions must be taken to prevent contamination If necessary suitable barrier rails should be provided to prevent any combustible material being placed within 900mm of the outlets If requir...

Страница 14: ...hen viewed at front of heater mm 500 C Top of heater mm 1000 D Rear of heater dependent on flue system mm 400 E Recommended mounting heights floor level to underside of unit OUH20 30F mm 2500 3000 OUH45 60F mm 3000 5000 For multi air heater installations the following minimum distances between units must be observed Between units side to side mm 3000 Between units back to back mm 3000 E Front View...

Страница 15: ...ical and flue connections to the heater are made with flexible connections to maintain continuity of connection In the case of the flue connection single wall stainless steel flue is deemed to flex sufficiently to meet the requirements Raise the heater up to the point of installation using suitable and safe means and connect to the means of suspension 2 1 3 Air Distribution System 2 1 3 1 General ...

Страница 16: ...te activation of the unit during servicing See section 1 2 to ascertain the electrical loading of the unit s so that cables of adequate cross sectional area are used for the electrical installation The length of the conductors between the cord anchorage and the terminals must be such that the current carrying conductors become taut before the earth conductor if the cable or cord slips out of the c...

Страница 17: ...height from the heater to the flue terminal of 2m Horizontal runs of flue must be minimised but where they are unavoidable the ratio of vertical to horizontal flue should be not less than 3 1 If necessary a single offset using two 45 bends can be included to avoid obstructions The minimum equivalent resistance of the flue system should not be less than 0 0mb the maximum not greater than 0 5mb In o...

Страница 18: ...upply and completion of the control circuit 230V Reference must be made to Section 2 4 5 to ascertain the electrical loading of the unit s being installed so that cables of adequate cross sectional area are used for the electrical installation The length of the conductors between the cord anchorage and the terminals must be such that the current carrying conductors become taut before the earth con...

Страница 19: ...rcuit 230V Lockout Indication 230V LNE to Controller terminal 1 terminal 3 terminal 4 5 terminal 6 terminal 11 12 13 L N E Output 230V Input 230V Fan Only Signal 230V Heat On Signal 230V Live Output Neutral Earth t1 t3 t4 t5 t6 t10 t11 t 230V Supply for Controller High Fire Circuit Lockout Signal 230V 2 4 3 External Wiring The wiring terminals are located under the lid of the electrical box on top...

Страница 20: ... the heater terminals 10 11 12 to ensure safe isolation during maintenance If a second stage thermostat is fitted for High Low operation remove the link that is fitted between terminals 4 5 Warning External controls MUST be powered via heater terminal 10 11 and Earth 2 4 Electrical Cable Installation 2 4 6 1 Interconnecting Wiring OUH Installer Connections 2 4 6 2 Interconnecting Wiring OUH to Pow...

Страница 21: ...Y 230v 1ph 50Hz 11 12 Controls Main Fan Only 230V Input Connections Heat Demand 230V Input t1 t2 L N s 3 b4 t1 t2 L N s 3 b4 1 2 3 4 5 t6 t7 t8 b5 t6 t7 t8 b5 2nd Stage Thermostat High Fire Remove link T4 T5 Burner Lockout Indicator 230V Output L N E 230V Supply for Controls HIGH LIMIT RESET INDICATOR MAIN FAN RIELLO BURNER L IMIT F A N ºc COM NO NC 13 14 6 5 4 2 3 1 10 9 11 8 7 NO COM NC N L TRP ...

Страница 22: ...matic heaters only use the settings in these instructions 2 6 5 1 Initial Burner Startup 1 Check that fuel is present in the tank and at the oil filter fitted on the front of the heater 2 Check that fitted fire valves are open 3 Refer to the burner instruction book and fit a pressure gauge and vent valve if the burner is on a single pipe oil feed to the oil pump 4 Set the time clock and thermostat...

Страница 23: ...ure that the main air fan comes on no later than 150 to 180 seconds after the main burners light 2 6 5 2 Final Adjustments 1 Ensure the oil gauge is connected Remove the sample point cover plug from the outlet flue length and insert a CO2 measuring instrument 2 Turn ON the main electricity supply and check that the following sequence of events occur i Burner fan runs ii Ignition spark is heard iii...

Страница 24: ... the unit check that the inside of the heat exchanger is clean If necessary clean out deposits using a stiff brush and vacuum cleaner 2 7 4 Main Fan Assembly 2 7 4 1 OUH F Models 1 Inspect the fan blades to see that they are not damaged and that there is no excessive build up of deposits that could give rise to an imbalance Should it be necessary to remove the assembly for cleaning proceed as foll...

Страница 25: ...at seals are correctly in place 2 7 6 Replacement of Faulty Components Only parts supplied via or authorised by Powrmatic should be used A short list of parts and part numbers are detailed in section 3 2 of this manual If in doubt please contact Powrmatic 2 7 6 1 Burner Components Refer to the burner instructions supplied with the heater for information regarding replacement of individual componen...

Страница 26: ... back complete 4 Remove the four securing bolts AVM s from the fan back and withdraw the fan assembly 5 Fit replacement thermostat in reverse order 2 7 6 3 Centrifugal Fan Motor 1 Remove the electrical panel cover from the top of the heater 2 Trace the Live Neutral and Earth cables from centrifugal fan to the internal terminal strip and remove cables 3 Remove the screws securing the fan scroll hou...

Страница 27: ...ass Link Location Limit Circuit OUT Limit Circuit IN Mechanical Limiter Limit Set Point Adjuster Fan ON Override Fan ON Set Point Adjuster Fan OFF Set Point Adjuster Set Point Dial Mechanical Limiter Release Point NOTE The new L4064B may be supplied with the limit temperature mechanically limited to less than the setting required To release the mechanical limit push a pointed object into the small...

Страница 28: ...justment thermostat closes Lack of electrical supply Check presence of voltage in the L1 N clamps of the 7 pin plug Check the conditions of the fuses Check that thermostat limit is not lock out The photoresistance sees false light Eliminate the light Heater and start thermostats are faulty Replace them The connections in the control box are wrongly inserted Check and connect completely all the plu...

Страница 29: ...urner Gasket 141937080 141930806 Nozzle 35 sec 28 sec 144707500 141521014 141522380 141522399 141522603 141522612 141522612 141522619 Oil Filter 141474534 Fire Valve 141474530 Fan Limit Thermostat L4064 143000306 Limit Interlock P C B MkIII 142403600 3 High Temperature Reset Switch 143070274 JOX Relay 143000816 HTX OUH007700 OUH005200 Burner Mtg Gasket 142203704 Flex Oil Line 141956087 3 2 List of...

Страница 30: ...Photocell 141979531 Electrode 142924310 141979541 Speed Gear Pump 141979551 Coil 1 Coil 2 141979561 141979562 Motor 141979571 Fan Impellor 141979581 Capacitor 141979575 Hydraulic Ram 141979591 Main Air Fan 140232010 Z 15 140232003 E 15 140232005 E 15 140232006 E 15 Main Centrifugal Blower 1402CFAN280 T 15 1402CFAN280 T 15 1402CFAN210 T 15 1402CFAN210 T 15 3 2 List of Parts ...

Страница 31: ...les from the electrode assembly 4 Undo the fixing screws retaining the diffuser disc holder assembly from the nozzle holder assembly and remove 5 Using appropriate spanners hold the base of the nozzle holder whilst un doing and removing the original nozzle 6 Fit replacement nozzle again by holding the base of the nozzle holder with a spanner whilst tightening nozzle 7 Refit all other components in...

Страница 32: ...0 100 OUH30 0 85 x 45 S 141522399 10 0 144 7 0 100 OUH45 1 25 x 45 S 141522612 10 0 144 7 0 100 OUH60 1 5 x 45 S 141522619 10 0 144 7 0 100 Riello Burner Settings 35sec Oil Diesel Net CV Hi 42 69MJ kg Maximum Pump Suction 0 4bar Burner Pressure High Fire Low Fire MODEL Nozzle Type Nozzle part number bar p s i bar p s i OUH20 0 5 x 60 S 144707500 12 41 180 8 27 120 OUH30 0 75 x 60 S 141522380 12 07...

Страница 33: ...nimum Heat Capacity kW 16 43 24 22 33 68 45 17 Useful Efficiency High Fire 92 95 85 90 Low Fire 94 93 91 89 Electrical Power Consumption High Fire kW 0 47 0 35 0 38 0 60 Low Fire kW 0 46 0 32 0 38 0 55 Standby kW 0 01 0 01 0 01 0 01 Ignition kW 0 00 0 00 0 00 0 00 NOx Seasonal Gross mg kWh 159 3 120 6 137 7 106 2 Envelope Loss Factor NA NA NA NA Emission Efficiency hs flow 95 90 89 92 Seasonal Spa...

Страница 34: ...page no 34 of 36 OUH Range Users Installation Servicing Instructions Doc Ref M105 issue 5 8 Apr 2020 Notes ...

Страница 35: ...page no 35 of 36 OUH Range Users Installation Servicing Instructions Doc Ref M105 issue 5 8 Apr 2020 Notes ...

Страница 36: ...ht Dublin 24 tel 353 0 1452 1533 fax 353 0 1452 1764 e mail info powrmatic ie web www powrmatic ie Getting In Touch Powrmatic pursues a policy of continues improvement in both design and performance of its products and therefore reserves the right to change amend or vary specifications without notice Whilst the details contained herein are believed to be correct they do not form the basis of any c...

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