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Connection of mains voltage

CONNECTION OF MAINS VOLTAGE

3~ 400V

The HERU

CX unit is available in two different voltage models, 3~ 400V AC and

3~ 230V AC.

The power supply cable must always be equipped with an external load disconnector.
Which is not included in the delivery from H. Östberg AB.

HERU

CX with electric heating coil (EHC) has always a separate feed for the air

heater. The connection is located next to the connection for the unit.

Important!

UNIT CONSUMPTION AND OUTPUT

BASIC UNIT

Consumption is calculated excluding external circulation pumps.

Size

Mains voltage

[VAC]

Max consump.

[kW]

Max consump.

[A]

Max inc. Cable

[mm²]

Max fuse

main supply

[A]

HERU

400

3~ 400

1,1

4,6

HERU

600

3~ 400

2,3

10,1

HERU

800

3~ 400

2,6

4,6

HERU

1200

3~ 400

5,1

8,1

HEATING COIL

Size

Mains voltage

[VAC]

EHC output

variant

[kW]

Max consump.

[A]

Max inc. Cable

[mm²]

Max fuse

main supply

[A]

HERU

400

3~ 400

6,3

9,1

HERU

600

3~ 400

6,3

9,1

HERU

800

3~ 400

9,9

14,3

HERU

1200

3~ 400

9,9

14,3

Kraftmatning

CT-CS aggregat

Kraftmatning

Elbatteri

Power supply

HERU® CX

Power supply

Electric heater

HERU® CX

N + PE

l h

INK

ELB

1270466_utg3_HERU_400_1200_eng.indd 27

2020-10-28 11:59:43

1270466_utg3_HERU_400_1200_eng.pdf 27

2020-10-28 12:04:19

Содержание HERU 1200 S EC

Страница 1: ...Other languages in digital format can be downloaded at www ostberg com HERU 400 1200 S T INSTALLATION EN...

Страница 2: ...M 16 FUNCTIONS 16 6 1 LCD 16 6 2 Up S Down T and ENTER 16 6 3 Info i 16 6 4 Info i LED display 17 6 5 Alarm 17 6 6 Alarm LED display 18 6 7 ESC 18 CONNECTING HMI 18 SCREEN LAYOUT 19 6 8 Screen 19 6 9...

Страница 3: ...essure regulation 45 10 1 Designations and measuring ranges of the pressure sensors 45 PRESSURE SENSOR QBM68 45 10 2 Settings and connections 45 10 3 Assembly 45 10 4 Pressure regulation addressing of...

Страница 4: ...rning or installation instructions or investigation of such are not cove red by the warranty The warrantor is only responsible for the function if approved accessories are used The warranty does not c...

Страница 5: ...s with stringent demands for high temperature efficiency low energy consumption low sound level high operating reliability HERU is equipped with a non hygroscopic aluminium rotary heat exchanger locat...

Страница 6: ...r a prolonged period of time If the unit is installed during cold weather and not operated immediately the ducts should be plugged to pre vent condensation SAFETY Maintenance and operation of the unit...

Страница 7: ...he fresh air and exhaust air ducts should always be condense insulated 4 If a heating coil is connected a damper motor with spring return must be mounted in the fresh air duct 5 Connect the electrical...

Страница 8: ...he unit without the filters Ensure that HERU is installed correctly Make sure that all ducts water pipes and electrical connections are correctly assembled Make sure no objects or dirt are left behind...

Страница 9: ...to be held accountable for any discrepancies that may appear in this document and also reserves the right to modify data and design ABBREVIATIONS F rkortning F rklaring BMS Building Management System...

Страница 10: ...ID Description GT1 Temp sensor supply air GT2 Temp sensor extract air GT3 Temp sensor outside air GT42 Temp sensor exhaust air GT8 Freeze protection sensor GT9 Overtemp sensor GTR Temp sensor room air...

Страница 11: ...the rotor is insufficient 2 Cooling recovery and or regulated cool down The rotary heat exchanger starts if the extract air temperature is lower than the outside temperature Regulated cool down If th...

Страница 12: ...cool down the electric heater ST1 and ST2 remains open during cool down ROTARY HEAT EXCHANGER Time controlled blow off when the unit is stopped or when heating is not required The control is integrat...

Страница 13: ...e switch program must be in OFF mode Outside temperature is higher than min outside temperature Outside temperature is lower than the difference between the room extract air temperature minus 1K Room...

Страница 14: ...be boosted to a higher flow at higher PPM RH ALARMS Deviation alarm GT1 GT2 GT3 GP1 GP2 GP3 GP4 GF1 and GF2 Recovery alarm rotor control EMS Fan alarm Freeze protection sensor GT8 Overheating electri...

Страница 15: ...lus Rights for all menus and system settings If password 2000 must be used the utmost caution should prevail There is a high risk that a change may damage basic settings configurations PUMP MONITORING...

Страница 16: ...er values etc UPS DOWNT AND ENTER 2 3 4 Buttons for menu navigation Maneuver with Pos 2 UPS Pos 3 DOWNT Pos 4 Select with ENTER Change the parameter values Open the value you would like to change by p...

Страница 17: ...is mode the outputs parameter values and signals are not controlled auto matically When any of the signals or values are set in manual mode the utmost caution must prevail All use of manual control of...

Страница 18: ...splice block Type female female RJ45 should be X marked ALARM LED DISPLAY 6 The LED display may indicate the following No lit LED No alarm Red flashing LED One or more alarms are triggered Red steady...

Страница 19: ...ation arrow X Press ENTER DISPLAY ROW The option is shown with a dark background even when viewed in read only mode Current value of the option is shown The navigation arrow is not shown in read only...

Страница 20: ...arrow UPS or DOWNT Choose Done Press ENTER or Keep the old value and close the preferences page Press ESC The scale above shows the minimum and maximum values that can be set Changing set values Chang...

Страница 21: ...re than 3 seconds to be linked directly to Password handling This is possible to do from anywhere in the menu to be linked to Password handling and then for log in or out After logged in you will be l...

Страница 22: ...be executed The enabled alarm will be shown on the row below confirm reset In this mode the red LED on the ALARM button has a steady light Troubleshoot to determine why the alarm will not reset For h...

Страница 23: ...rmula Setp comf heating Dead zone Cooling setpoint If the temperature increase above the cooling setpoint HERU CX will switch over to cooling regulation A normal dead zone value is 2 C Setp econ heati...

Страница 24: ...stop times The following options can be shown Selections manual operation Temp regulation acc to setpoint Fan control regulation acc to setpoint Auto See Time switch program chap 5 See Time switch pr...

Страница 25: ...s no significance Operation will continue switched off Off until the next day of the week Time 1 00 00 according to the value that Value 1 has this day e Time 2 with associated Value 2 i e 06 00 Comf...

Страница 26: ...m the unit operates with normal flow and then steps down to reduced flow The unit stops again at 21 00 9 pm Program according to the following COPY MONDAY TIMES The Week schedule has a function so you...

Страница 27: ...IT Consumption is calculated excluding external circulation pumps Size Mains voltage VAC Max consump kW Max consump A Max inc Cable mm Max fuse main supply A HERU 400 3 400 1 1 4 6 6 25 HERU 600 3 400...

Страница 28: ...ample shows a HERU T CX All terminals except for the feeding power connections are 2 level type 2 LEVEL CONNECTION TERMINALS Connection terminal beige Earth connection terminal green yellow The extern...

Страница 29: ...1 The supply air temperature sensor is intended to be mounted in the supply air duct circular or rectangular It is important that it is positioned after the last treatment module i e after any cooling...

Страница 30: ...air temperature sensor can be replaced with a room temperature sensor Connection of room temperature sensor as follows The connection cable of the extract air temperature sensor must be disconnected f...

Страница 31: ...mperature sensor Connection of outside air temperature sensor as follows The connection cable of the integrated outside air temp sensor must be disconnected from X3 M and replaced with the outside air...

Страница 32: ...ation due to power failure CONNECTION OF SPRING RETURN MOTOR If the damper motor turns the wrong way when starting the HERU CX flip the dam per actuator CONNECTION OF ON OFF MOTOR If the damper motor...

Страница 33: ...tion HEATING CP1 SV1 Connection of actuator and circulation pump as follows For activation configuration Parameter name Area Select Main index Con guration Con guration 1 Heating No Yes Yes Restart Ex...

Страница 34: ...d a freeze protection sensor must always be mounted on the water s return side If the water coil is mounted in a duct the freeze protection sensor with associated straps and contact paste must be moun...

Страница 35: ...ly mounted inside the HERU CX unit when delivered from H stberg AB If the electric heating coil is a duct design it is connected as follows GT9 is the designation for overheating protection For activa...

Страница 36: ...monitor with display enables active reading of differential pressure over the filter while retaining the monitor s alarm function It is delivered as the regular filter moni tor separately with a 5 met...

Страница 37: ...te Execute Main index Con guration Con guration 2 Pump cooling No Yes Yes exercise Yes Restart Execute Execute COMBI COIL DX COOLER AND HEAT PUMP DX CHP The system can control a combined cooling heati...

Страница 38: ...f reverse logic is required on output for DX CHP i e output active for heating Main index Unit Outputs Pump cooling Contact function NO NC NC CONFIGURATION WHEN INTEGRATED HEATER IS ELECTRIC Parameter...

Страница 39: ...th a timer push button At activation HERU CX is controlled to run at normal flow usually fan stage 2 For activation configuration Parameter name Area Select Main index Con guration Con guration 1 Filt...

Страница 40: ...F AUTO time channel If the time channel is set to OFF during the week schedule this will cause an external stop from BMS For only one control input read function and configuration according to Timer s...

Страница 41: ...operation EHC Quick stop is connected as follows For activation configuration Parameter name Area Select Main index Con guration Con guration 1 Filter alarm No supply air Combi Supply extract No Emer...

Страница 42: ...ngen Off Switched off Supply Comf Comfort mode Temperature setpoint comfort Economy Economy mode Temperature setpoint economy Osstp Not applicable for HERU CX Night cooling Night cooling enabled in op...

Страница 43: ...KNX Adjustable start up and regulator parameters Semi recessed mounting can be mounted on most types of recessed junction boxes Programmable schedule Connected directly on Climatix controller 2 wire i...

Страница 44: ...ple operation Corresponds to buttons UPS DOWNT and ENTER on the HMI for HERU CX Alarm button with LED Info button Connection via 2 wire interface to the controller Climatix process bus KNX supply volt...

Страница 45: ...ranges 1250 Pa or 2500 Pa QBM68 is also available for double sensors in a unit enclosure with the first sensor marked P1 and the second sensor marked P2 The following variants are possible Designatio...

Страница 46: ...Direct Direct FO not applicable to HERU CX Select Pressure regulation Restart Execute Execute Main index Con guration Con g IOs Pressure Flow Supply air pressure Pos Factor Area Com 500 Pa Type P401 S...

Страница 47: ...r the following reasons Rotation monitor Motor temperature Overvoltage Undervoltage Over under temperature control unit Short circuit Internal fault Connection diagram Functions Operation indication i...

Страница 48: ...ogram funct Stage Temp Setpoints for both fan stage and tempera ture comfort economy are controlled by the time switch program WEEK SCHEDULE Main index Unit Operating functions Time switch program Sch...

Страница 49: ...e later than the start date Weekday Choice x only day of the week Enter a day of the week Example Choice x Date Only the time for start is relevant Start Date 01 01 09 Result 1 January 2009 is an exce...

Страница 50: ...he password for level 4 2000 3 Change language if needed Main index System overview Language selection 4 Select Main index Configuration 5 Start Configuration 1 Connect with Restart 6 Continue with Co...

Страница 51: ...arameter settings page for the process bus for control panel and room unit TCP IP xxx xxx xxx xxx Address of controller on the bus Name of controller on the bus Go to the parameter settings page for i...

Страница 52: ...lave designed for communication to BMS Internal slave adr 0 247 Address of controller on the bus Internal settings RS485 Go to parameter page for RS485 settings TCP IP Go to parameter page for TCP IP...

Страница 53: ...ain text but only as a number See the tables on the following pages Double config IO Yes Double config IO 82 81 Double config IO pos DI3 External control input 1 and 2 allocated the same output DI3 Th...

Страница 54: ...Aux input DI 85 Pump return extra cooling DI 61 Acknowledgement reset of alarm DI 86 Alarm for extra DX cooling DI 62 Analogue outputs Name Type Position IO kont Name Type Position IO kont Frequency...

Страница 55: ...ing valve signal electric heater signal AO 0 10 V DC T2 X7 M SV1 X8 Cooling valve signal cooling unit signal signal HCP AO 0 10 V DC T2 X8 M SV2 KM1 HCP Expansion module 1 Physical positioning expansi...

Страница 56: ...t To return to the regular menu press ESC then choose Local connection to get to the Start menu GENERAL This chapter describes the following functions Alarm Alarm lists History lists Acknowledged alar...

Страница 57: ...itterat Kvitteras Kvitteras terst lls Kvitteras Larm normalt Larmindikering LED lyser Larmindikering LED blinkar Larmindikering LED blinkar 11 18 11 19 11 20 No No No No No Yes Yes Yes Alarm resetted...

Страница 58: ...LIST INFORMATION The alarm list contains the following information about the latest alarm Row 1 Alarm name Status Row 2 Input status Alarm class Row 3 Date Time Example Alarm electric heating 0 15 10...

Страница 59: ...59 START PAGE MAIN INDEX UNIT 11 23...

Страница 60: ...START PAGE MAIN INDEX SYSTEM OVERVIEW 60 START PAGE MAIN INDEX CONFIGURATION 11 24 11 25...

Страница 61: ...ally the function of the damper is to close the airways at the outside and exhaust air ducts when the unit is switched off It is important for operating and ener gy reasons that the dampers working pr...

Страница 62: ...ted to the drainage Check That the front surface of the coil is not dirty That the pump is running and that the water is circulating and has the correct temperature for the season Make sure the sensor...

Страница 63: ...or in the GP5 supply air duct so that it cannot be operated unless the fan is running Therefore do not switch off the voltage to the fan using the switch disconnector Instead use the control panel Not...

Страница 64: ...t the fan is rotating freely without scratching the inlet cone and that there is no noise from the bearings That all electrical cables are securely connected and that the protective casing is intact T...

Страница 65: ...berg AB recommends changing the filters at least two times a year If the filter locker is dirty That the filter locking is functioning properly That the filter seal strip is intact Action Remove the f...

Страница 66: ...ts the extract air from transfer into the supply air during rotation It is important for the blow out function that the extract air part has a greater under pressure than the supply air part There sho...

Страница 67: ...per pipes with aluminium slats For circulation and regulation of the water the heater is usually equipped with a shunt group To protect the heater from freezing a strap on freeze protection sensor is...

Страница 68: ...dle without lock HERU 400 1200 T S 994010003 Brush strip HERU 400 600 T S 993050122 Brush strip HERU 800 1200 T S 993050123 EC fan 315 1x230 HERU 400 T S 993080089 EC fan RH31V 1x230V HERU 600 T S 993...

Страница 69: ...Check the connectors on the extract air fan On some models the fan cabling for the extract air has a connector located next to the dividing line of the unit Power and signal are of different types so...

Страница 70: ...ted to the same output or input See chap 11 11 HMI Alarm Supply air pressure under range Extract air pressure under range PROC1 believes the pressure sensor for the supply air extract air pressure is...

Страница 71: ......

Страница 72: ...H STBERG AB Box 54 SE 774 22 Avesta Sweden Phone 46 226 860 00 E mail info ostberg com www ostberg com 1270466 utg 3...

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