OSTBERG HERU 1200 S EC, Installation Manual

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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Page 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...