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OPERATION MANUAL

KOMFORT EC LW

HEAT RECOVERY

AIR HANDLING UNIT

KOMFORT_EC_LW_v1(5)_EN.indd 1

07.09.2015 13:06:19

Содержание KOMFORT EC L1W300-2

Страница 1: ...OPERATION MANUAL KOMFORT EC LW HEAT RECOVERY AIR HANDLING UNIT KOMFORT_EC_LW_v1 5 _EN indd 1 07 09 2015 13 06 19 ...

Страница 2: ...4 Operation logic 5 Delivery set 5 Technical data 7 Mounting 9 Condensate drainage 10 Connection to power mains 11 Control panel mounting 13 Unit control 15 Control panel troubleshooting 15 Automatic control system 22 Technical maintenance 22 Troubleshooting 23 Acceptance certificate 23 Connection certificate 23 Warranty card KOMFORT_EC_LW_v1 5 _EN indd 2 07 09 2015 13 06 19 ...

Страница 3: ...fe of the unit TRANSPORTATION AND STORAGE REGULATIONS Transportation of the unit is allowed by any vehicle provided the unit is transported in the original package and is protected against weather and mechanical damages Use hoist machinery for handling and transportation to prevent possible mechanical damages of the unit Fulfil the requirements for transportation of the specified cargo type during...

Страница 4: ...ses by the heat exchanger is used for its defrosting After the freezing danger is over the bypass damper is closed and the intake air passes through the heat exchanger again The heat exchanger reverts to the regular operation mode The drain pan under the heat exchanger block is used for condensate collection and drainage The unit is equipped with a 2 row water glycol heater for operation at low ou...

Страница 5: ...ature C from 25 up to 60 Casing material aluzinc Insulation 25 mm mineral wool Extract filter cassette G4 Intake filter cassette F7 Connected air duct diameter mm 150 160 315 Weight kg 40 Heat recovery efficiency up to 90 Heat exchanger type counter flow Heat exchanger material polystyrene Model Replaceable G4 cassette filter Replaceable F7 cassette filter KOMFORT EC LW300 2 FP EC LW300 550 G4 FP ...

Страница 6: ...long the line down to the water flow axis at the bottom of the graphic 0 072 l s Water pressure drop Draw the line from the point where line crosses the black curve to the pressure drop axis 3 5 kPa Water heater parameters calculation example Supply air temperature Prolong the line of air flow e g 400 m3 h up to the point where it crosses the outside air temperature blue curve e g 20 C then draw a...

Страница 7: ... connection to the drain system While planning the ductwork layout avoid too long air duct sections numerous bends and reducers because it may reduce air flow The mounted air ducts must not be deformed Provide airtight connection of the air ducts to the unit spigots and fittings Install straight air ducts on both sides of the unit to minimize aerodynamic resistance caused by air flow turbulence th...

Страница 8: ...ater connection In order to achieve maximum power the water heater should be counter flow connected Fig 7 All calculation diagrams ref Fig 3 4 are valid for the counter flow connection of the water heater In case of the direct flow basis connection the water heater has lower power but higher frost resistant properties Counterflow connection Direct flow connection water inlet water return water inl...

Страница 9: ...rds min 3 Fill the system with water prior to connecting it to power supply During operation the U trap must always be filled with water Provide free drainage for the condensed water otherwise it is accumulated inside the unit which may cause the equipment damage and condensate outflow to the room The condensate drainage system is designed for normal operation in premises with air temperatures abo...

Страница 10: ...valid electric standards Follow the respective electric standards safety rules DIN VDE 0100 TAB der EVUs The house cabling system must be equipped with a magnetic trip automatic switch at the external input The contact gap on all poles must be at least 3 mm VDE 0700 T1 7 12 2 EN 60335 1 The automatic switch trip current must be not below the rated current consumption ref to Table 1 Enable quick ac...

Страница 11: ... air temperature sensor Q1 Water heater TS1 Water heater freeze protection thermostat RK1 Plate heat exchanger Not included in the delivery set available as specially ordered accessories Fig 11 Functional diagram CONTROL PANEL MOUNTING The unit incorporates an integrated control system with the S13 wall mounted control panel with a sensor display Fig 12 The standard delivery set includes a 10 m ca...

Страница 12: ...tangular control panel openings for 4 mm 2 Press the screwdriver to open the control panel 3 Route the required cables and wires and install a junction box included in the delivery set in the wall 4 Connect and place the executive element inside of the mounting box 5 Fix the back side of the control panel to the wall using screws 6 Connect the executive element to the front part of the control pan...

Страница 13: ...ng Fan speed Auto High Medium Low In Auto mode the panel sets the fan s speed automatically depending on the actual and set temperature difference in the room AUTO Table 7 Unit control and operating parameter setting Fig 13 S13 control panel Button symbol Designation Power on off Operation mode control Speed selection Auto High Medium Low Temperature and operation mode setting buttons ROOM Fig 14 ...

Страница 14: ...tion deactivation setting ref to Week timer setting AUTO 5 Selection of temperature control and setting mode Setting the week timer is as follows 5 1 Time setting Press and hold button on the display for 3 seconds to open the Settings mode Then select Minutes option using button and press to make appropriate adjustment Select Hours option using button and press to make appropriate adjustment 5 2 W...

Страница 15: ... Fig 15 General functions of automatic control system ACS 1 Turning the unit on off 2 Keeping supply air temperature at set point 3 Control of the bypass damper actuator 4 Fan operation and control 5 Control of the air damper actuator 6 Control of the air damper actuator 7 System shutdown by the command from fire fighting system 8 Heater control Heater freezing and overheating control 9 Control of...

Страница 16: ... C 5 0 C 20 0 C VUT WH Password 3 System status Heater heat medium regulating valve opening ratio Heat Exch heat exchanger activation ratio Pump circulating pump operating status Off circulating pump is not activated On circulating pump is activated Cooler cooler operating status Off cooler is not activated On cooler is activated Winter Summer system operation mode The automatic control system ope...

Страница 17: ...ode the water heater freezing protection function is activated ref to Alarm list U2 T seas ch upper limit of the outdoor air temperature After reaching this limit the system changes into the Summer mode T ret w spoint minimum return heat medium temperature to maintain temperature mode when the fans are turned off The return heat medium temperature is automatically maintained at the set point in Wi...

Страница 18: ...failure No signal from the fluid pressure switch in the water heater after the signal to activate the circulating pump This alarm causes the hydronic coil heater pump shutdown The fan operation status does not change In case of the alarm the fans keep operating if they were turned on before the pump failure 6 Settings Password password is part of Configuration Menu 2222 by default The password con...

Страница 19: ...lve Dead zone dead zone C Parameters setting for the return heat medium temperature control by means of the regulating heat medium valve If the discrepancy is below the set point it is taken to be 0 Settings Settings Heater Cooler Pump Fan Heat exchanger Heater settings Settings Heater Cooler Pump Fan Heat exchanger Cooler settings Settings Heater Cooler Pump Fan Heat exchanger Cooler settings Hea...

Страница 20: ...m regulating valve is operating Cooler Pump Fan Heat exchanger Cooler settings Settings Heater Cooler Pump Fan Heat exchanger Pump settings Settings Heater Cooler Pump Fan Heat exchanger Fan Settings Heater Cooler Pump Fan Heat exchanger Cooler settings Cooler delay on 600 s Pump settings Min work time 20 s Summer mode Enable Fan P1 P2 Fault delay 30 s 6 4 Fan settings Fan Fans settings menu Setti...

Страница 21: ...g for supply air temperature control by means of the regulating heat medium valve Dead zone dead zone C Parameters setting for supply air temperature control by means of the regulating heat medium valve If the discrepancy is below this point it is taken to be 0 Exhaust air control law G proportional control factor of proportional integral control law sec Parameters setting for the return heat medi...

Страница 22: ...vent dirt accumulation in the air ducts which reduces the unit capacity Duct maintenance means regular cleaning or replacement 7 Exhaust and intake diffusers maintenance if required Remove the exhaust and the intake diffusers and flush those with warm detergent solution Check the ductworks connections periodically WARNING Cut power supply to the unit off by turning the automatic electric switch QF...

Страница 23: ... Member States relating to electromagnetic compatibility which relate to electrical appliances used in set voltage classes This certificate is issued following test carried out on samples of the product referred to above Quality Inspector s Stamp Manufacture Date ____________________ Company Expert s Full Name Date Signature Heat recovery air handling unit KOMFORT EC LW300 2 KOMFORT EC L1W300 2 KO...

Страница 24: ...www blaubergventilatoren de KOMFORT_EC_LW_v 1 5 _EN KOMFORT_EC_LW_v1 5 _EN indd 24 07 09 2015 13 06 27 ...

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