Technical and maintenance staff must have theoretical and practical training in the field of ventilation systems and should be able to work in accordance with workplace safety rules as well as construction norms and standards applicable in the territory of the country. www.systemair.nz...
• Do not operate the unit outside the temperature • Do not use damaged range stated in the user’s equipment or cables when manual. connecting the unit to • Do not operate the unit in power mains. aggressive or explosive environments. HRU 300/500/900 User Manual...
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• Do not sit on the unit and • Use the unit only for its avoid placing foreign objects intended purpose. on it. THE PRODUCT MUST BE DISPOSED SEPARATELY AT THE END OF ITS SERVICE LIFE. DO NOT DISPOSE THE UNIT AS UNSORTED DOMESTIC WASTE. www.systemair.nz...
Heater type E – electric heater Additional components B – bypass Mounting option P – suspended mounting Air flow [m Unit series VUT – heat recovery air handling unit VUE – energy recovery air handling unit HRU 300/500/900 User Manual...
IP44 for the unit motors The unit design is constantly being improved, thus some models may be slightly different from those described in this manual. TECHNICAL DATA MODEL HRU 300 HRU 550 HRU 900 Voltage [V/50 (60) Hz] 1~ 230...
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ø d ø14 HRU 900 ø14 ø d Dimensions [mm] Model Ø D В В1 В2 ВЗ В4 В5 Н Н1 Ø d HRU 300 1238 1290 HRU 550 1238 1290 HRU 900 1351 1485 1349 1402 HRU 300/500/900 User Manual...
Heat exchanger Extract lter Supply fan Heat exchanger Supply fan Drain pan Electric heater Drain pan Control unit Electric heater Control unit Di erential Di erential pressure switch pressure switch Di erential Di erential pressure switch pressure switch www.systemair.nz www.ventilation-system.com...
The unit is available with the service side located on the left and on the right of the unit to facilitate mounting and provide minimum service access. READ THE USER'S MANUAL BEFORE INSTALLING THE UNIT. HRU 300/500/900 User Manual...
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Drainage removal is not required for VUE modifications, since they are equipped with an enthalpy heat exchanger. Sewage system U-trap Pipe min 3° Drain pipe Pipe www.systemair.nz...
2A, 230V, AC DESIGNATION NAME CABLE TYPE SIGNAL TYPE SIGNAL VOLTAGE CO2 IN CO2 SENSOR 0-10V ANALOGUE 0-10V, DC 10V IN EXTERNAL 0-10V ANALOGUE 0-10V, DC PANEL CONTROL PANEL CONNECTION MODBUS 24V, DC — ELECTRIC SHOCK HAZARD! HRU 300/500/900 User Manual...
6. Duct system maintenance (every 5 years). Even regular fulfilling of all the prescribed above maintenance operations may not completely prevent dust accumulation in the air ducts which reduces the air quality and the unit performance. The air duct maintenance includes regular cleaning or replacement. www.systemair.nz...
Avoid sharp blows, scratches, or rough handling during loading and unloading. • Prior to the initial power-up after transportation at low temperatures, allow the unit to warm up at operating temperature for at least 3-4 hours. HRU 300/500/900 User Manual...
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