Vectaire WHHRM300DC Installation, Operating And Maintenance Instructions

Whole house heat recovery unit with low energy dc motor - for domestic and commercial use

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"WHHRM300DC and
WHHR400DC"
Whole House Heat Recovery Unit with Low Energy
DC Motor - for domestic and commercial use
Installation, Operating and Maintenance
Instructions
Vectaire Ltd, Lincoln Road, Cressex Business Park, High Wycombe, Buckinghamshire, HP12 3RH
Tel: +44 (0)1494 522333. Fax: +44 (0)1494 522337. Email: sales@vectaire.co.uk
E & O.E
WHHRM300DC/WHHR400DC/Sept2010

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  • Page 1 Whole House Heat Recovery Unit with Low Energy DC Motor - for domestic and commercial use Installation, Operating and Maintenance Instructions Vectaire Ltd, Lincoln Road, Cressex Business Park, High Wycombe, Buckinghamshire, HP12 3RH Tel: +44 (0)1494 522333. Fax: +44 (0)1494 522337. Email: sales@vectaire.co.uk E & O.E WHHRM300DC/WHHR400DC/Sept2010...
  • Page 2: Table Of Contents

    Connecting the multiple switch 5.5.1 Connecting the OpenTherm connector 5.5.2 Connecting the power 5.5.3 Connections / dimensions Vectaire WHHRs Connections / dimensions type WHHRM300DC 5.6.1 Connections / dimensions type WHHR400DC 5.6.2 Operation instructions Switching the appliance on and off Setting the air quantity...
  • Page 3 Electric diagrams Basic diagram without bypass Basic diagram with bypass Wiring diagram without bypass Wiring diagram with bypass Wiring diagram connection preheater to WHHRM300DC & 400DC without option pcb Service Exploded view Vectaire WHHRM300DC and WHHR400DC 10.1 Replacement/ spare parts 10.2...
  • Page 4: Application

    Application Chapter 1 These appliances are very economic Vectaire heat with the aid of the control panel on the appliance. See Chapter 6 for a detailed description. The possibilities of these WHHRs can be extended by using the separately available option pcb that the installer can place •...
  • Page 5: Version

    Both versions are available with or without a bypass unit. lation capacity: They are ready to be hard wired to the mains and • “WHHRM300DC” has a ventilation capacity of up to 300 m side of the appliance. • “WHHR400DC” produces a maximum of 400 m /h at 150 Pa resistance in the duct system.
  • Page 6: Technical Information

    Duct “to dwelling” 48.5 51.5 61.5 Bypass unit Supply voltage [V/Hz] 230/50 Protection degree IP31 Dimensions (w x h x d) [mm] 675 x 602 x 85 Weight [ kg] Rated power [W] Rated current [A] 0.02 WHHRM300DC & WHHR400DC...
  • Page 7: Fan Graphs

    Chapter 2 Version 2.5 Fan graphs Flow rate [m /h respectively] Fan graph WHHRM300DC Note: The value stated in the circle is the capacity per fan (in Watts) Flow rate [m /h respectively] Fan graph WHHR400DC Note: The value stated in the circle is the capacity per fan (in Watts)
  • Page 8: Design

    Computer connection for service purposes. Control panel Interface between user and control electronics. Output fan Discharges fouled air from the dwelling to the atmosphere. Duct spigots Connections for the input and output ducts. Connection condensate discharge Connection condensate discharge. WHHRM300DC & WHHR400DC...
  • Page 9: Operation

    The bypass damper opens when the inte The installer can set the bypass for different situations at adjus rior temperature exceeds an adjustable temperature (standard table parameter I8 (also see §6.4). WHHRM300DC & WHHR400DC...
  • Page 10: Filter Indication

    4.5 Filter indication mation refer to sections 7.2 and 8.1. 4.6 Option pcb The Vectaire appliance can be equipped with an optional Control for postheater up to 1000 W pcb (product code 289990). The postheater ensures that the supply air that is blown into It provides the following functions.
  • Page 11: Installation

    To prevent condensation on the ducts to and from the outside, Always use Vectaire air supply and extract room valves to mi an insulated duct with a vapour barrier. nimise resistance. Air supply valves should be sited so as to avoid direct draughts which cause discomfort to residents.
  • Page 12: Connecting The Condensate Discharge

    See the drawing below for an example of a connection to a the underside of the appliance. This condensate discharge drainpipe. (Pour water into the bend to create an air trap, if connection has an external connecting diameter of 20 mm. WHHRM300DC & WHHR400DC...
  • Page 13: Electric Connections

    The multiple switch (supplied as an extra) is connected to the modular cable. A = Modular connector B = OpenTherm connector switch, viz.: (Note that for both modular connectors the “tab” must be mounted on the side of the mark on the modular cable) WHHRM300DC & WHHR400DC...
  • Page 14: Connecting The Opentherm Connector

    5.5.3 Connecting the power The appliance should be connected to the mains circuit by a Warning The fans and controls carry a high voltage. Al the regulatory requirements. ways disconnect from the mains when working on the appliance. WHHRM300DC & WHHR400DC...
  • Page 15 Chapter 5 Installation 5.6 Connections and dimensionsWHHRDCs 5.6.1 Connections WHHRM300DC UVectaire WHHRM300DC 2/2 (special order) UVectaire WHHR400DC (standard) = To dwelling = To atmosphere = From dwelling = From atmosphere Top view Front view Side view Bottom view Electric connections...
  • Page 16 = From dwelling = From atmosphere Top view Front view Side view Bottom view Electric connections Detail wall mounting (make sure to correctly place the rubber strip, washers and caps) Connection condensate discharge UVectaire WHHR400DC 3/1 (special order) WHHRM300DC & WHHR400DC...
  • Page 17: Operation Instructions

    6.2 Setting the air quantity 6.1 Switching the appliance on and off The air quantity of the WHHRM300DC and WHHR400DC There are two methods to switch the appliance on or off. for settings 1, 2 and 3 have been set in the factory at 100, /150/200 and 225/300 m /h.
  • Page 18: Other User Settings

    6.2. Refer to the table conditions. in section 6.7.3 for the factory settings. U5. Minimum indoor temperature for the bypass. This is the minimum indoor temperature at which the bypass opens, ditions. WHHRM300DC & WHHR400DC...
  • Page 19: Installer Settings

    I9. Hysteresis bypass. Here can be entered how much the indoor temperature Refer to the table in section 6.7.3 for the factory setting may drop before the bypass closes or the inlet fan starts running at the normal rpm. WHHRM300DC & WHHR400DC...
  • Page 20: Menu Structure Display

    Press key “F” Press key “F” Press key “F” or “- Press key “F” or “-” > 1 second Factory setting Factory setting Press key “OK Press key “OK” > 1 second Do not save Do not save WHHRM300DC & WHHR400DC...
  • Page 21: Readout Settings

    Current pressure output duct [Pa] No.11 u0.0 Status frost protection No.12 St.9 Temperature to atmosphere [°C] If not connected St.75 (Sensor not connected as standard) No.13 Pt.18 Temperature to indoors [°C] If not connected Pt.75 (Sensor not connected as standard) WHHRM300DC & WHHR400DC...
  • Page 22: Modifying Settings

    Press key “OK” to return to the settings menu. Continue with step 7. Use keys “+” and “-” to modify Press key “F” for 1 second to the value. leave the settings menu. WHHRM300DC & WHHR400DC...
  • Page 23: Adjustable Settings Table

    1 .. 240 60 (seconds) 1 .. 240 1 (second) switching on 230V. For a description of these settings refer to section 6.2 and 6.3 are included in the installation instructions that come with the option pcb. WHHRM300DC & WHHR400DC...
  • Page 24: Fault

    • Check the sensor connection. the bypass is out of operation. Replace the sensor. Note! If setting 2 does not work with a mechanical rpm control device to the rpm control and mount a new connector the other way round . WHHRM300DC & WHHR400DC...
  • Page 25: Maintenance

    Chapter 8 Maintenance 8.1 User maintenance User maintenance is limited to periodically cleaning or repla out. on the display (it shows the text " FIL”) or, if a multiple switch Without bypass unit With bypass unit cation must be reset by pressing key “OK” for 1 second. ter has been reset.
  • Page 26: Installer Maintenance

    Maintenance Chapter 8 8.2 Installer maintenance Installer maintenance includes cleaning the heat exchanger If the appliance is equipped with the optional bypass unit, and fans. Dependent on the conditions, this must done about it must now be removed. once every three years. First remove the display (see item 7 for appliance without bypass unit) and unscrew the four hexagon socket bolts Switch off the appliance on the control panel (simultane...
  • Page 27 Chapter 8 Maintenance Remove the control panel. 10 Remove the spiral casing. 11 Clean the fan with a soft brush. Make sure the balancing weights do not shift. 12 Place the spiral casing back on the fan unit. 13 Place the fan unit back in the appliance. 14 Place the earth wire back and replace the connectors that were removed.
  • Page 28: Electric Diagrams

    Electric diagrams Chapter 9 9.1 Basic diagram without bypass indoor temperature sensor input outdoor temperature sensor output Preheater OpenTherm Maximum n.c. connector 24V50mA! control panel n.c. n.c. 230 Vac 50 Hz emergency preheater bedroom valve contact P1 postheater contact P2 bedroom valve, postheater 24Vac,10 VA...
  • Page 29: Basic Diagram With Bypass

    Chapter 9 Electric diagrams 9.2 Basic diagram with bypass indoor temperature sensor input outdoor temperature sensor output preheater OpenTherm Maximum connector 24V50mA! control panel emergency bedroom valve heater contact P1 postheater contact P2 postheater bedroom valve, 24Vac,10 VA 24Vac, 10 VA :++50'&...
  • Page 30: Wiring Diagram Without Bypass

    Electric diagrams Chapter 9 9.3 Wiring diagram without bypass 1 = Absence mode 2 = Presence mode 3 = Cooking/showering mode = brown = blue = green/yellow = white = red C10 = yellow F = Output fan B = OpenTherm connector G = Control panel C = Interior temperature sensor H = Atmospheric temperature sensor...
  • Page 31: Wiring Diagram With Bypass

    Chapter 9 Electric diagrams 9.4 Wiring diagram with bypass 1 = Absence mode 2 = Presence mode 3 = Cooking/showering mode = brown = blue = green/yellow = black = white = no.1 = no.7 = red C10 = yellow C14 = blue/white G = Control panel H = Atmospheric temperature sensor...
  • Page 32 Electric diagrams Chapter 9 9.5 Wiring diagram connection preheater toWHHRDC without option pcb = brown = blue = green/yellow = black A = Heating coil Note! B = Maximum safety with manual reset Setting I11 must be set at “1” when C = Connection to mains connecting the preheater to the ba D = Cable to be connected by installer...
  • Page 33: Service

    Chapter 10 Service 10.1 Exploded view WHHRM300DC & 400DC When ordering parts, in addition to the product code number N. B.: (see exploded view), please state the type of the heat recovery Appliance type, serial number and year of production are...
  • Page 34: Declaration Of Conformity

    DECLARATION OF CONFORMITY The heat recovery appliances type 9HFWDLUH :++50'& DQG :++5'& bear the CE label and satisfy the machine directive 89/392/EEC, the low voltage directive 73/23/EEC, the materials directive ROHS 2002/95/EC and the EMC directive 89/336/EEC. 7KHVH heat recovery appliances are manufactured from high-quality materials and that continuous quality control ensures that they comply with the above directives.

This manual is also suitable for:

Whhr400dc

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