Vectaire WHHR125DC Installation, Operating And Maintenance Instructions

Whole house heat recovery unit with low energy dc motor

Advertisement

"WHHR125DC"
Whole House
Heat Recovery Unit
with Low Energy DC Motor
Installation, Operating and Maintenance
Instructions
domestic and commercial use

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the WHHR125DC and is the answer not in the manual?

Questions and answers

Summary of Contents for Vectaire WHHR125DC

  • Page 1 "WHHR125DC" Whole House Heat Recovery Unit with Low Energy DC Motor Installation, Operating and Maintenance Instructions • domestic and commercial use...
  • Page 2: Table Of Contents

    Page 2 Contents Section Page Number Introduction How the system works - Features Installation - Safety & Guidance - Dimensions - Pre-installation inspection - Mounting 6, 7 - Drain assembly - Ducting - Electrical connections - Wiring diagram Commissioning - Quick commissioning mode - Full commissioning mode for optimum efficiency - Boost speed setting - Resetting the controller...
  • Page 3: Introduction

    Interior comfort, air quality and energy efficiency are vitally important considerations in buildings today. The Vectaire WHHR125DC has been developed to meet these demands by providing clean fresh air whilst extracting stale polluted air from the building using state of the art technology to maximise energy efficiency.
  • Page 4: How The System Works - Features

    Page 4 How the system works The Vectaire WHHR125DC works by extracting stale polluted air from rooms where most moisture is generated and providing fresh pre-warmed air taken from outside the house and delivering it to other rooms, creating a flow of fresh, clean air throughout the house.
  • Page 5: Installation

    Dimensions FULLY BEFORE INSTALLATING THIS APPLIANCE! The Vectaire WHHR125DC is designed to be fitted into the roof space or a cupboard. These diagrams show the dimensions of the unit and the additional space required around the unit to allow for future servicing and maintenance.
  • Page 6: Pre-Installation Inspection

    • Inspect the appliance and supply cord for any damage. Any damage must be repaired by a suitably qualified and competent person. Parts list 1 x Vectaire WHHR125DC unit. 2 x Wall mounting brackets. 1 x Safety bracket. 1 x 15mm Drain connector.
  • Page 7 Page 7 Installation 5. Fix the remaining bracket to the unit using the M6 screws and washers provided, ensuring the interlocking side is at the bottom. Do not overtighten. 6. Mount the unit by locating the two mounting brackets together. Ensure a positive location is made between the two mounting brackets.
  • Page 8: Drain Assembly

    Page 8 Installation - Drain Assembly A drain must be connected to allow condensation to be removed from the unit. The drain connection is made via the 15mm connection on the base of the unit. The drain must discharge into the household drainage system via a U-bend, which must act as an air lock.
  • Page 9: Ducting

    Page 9 Installation - Ducting Transport bungs are fitted to prevent debris falling into the unit and causing damage. Premature removal of the transport bungs may invalidate the guarantee. 1. When the ducting has been installed and you are ready to connect the unit, remove the transport bungs from the duct ports.
  • Page 10: Electrical Connections

    (not supplied) OR by any of the following when used with an intermediate, external relay (available separately - please contact Vectaire Technical Dept for further information on the use of this): - PIRFF (passive infra red) - DRH240 (dynamic remote humidistat)
  • Page 11: Quick Commissioning Mode

    Speed setting percentages relate to the total capacity of the unit at low or normal running speed. The speed of the Vectaire WHHR125DC will require adjustment to ensure the flow rates achieved provide adequate ventilation in accordance with all relevant Building Regulations and applicable Standards.
  • Page 12: Full Commissioning Mode For Optimum Efficiency

    Switch (see diagram) Speed setting percentages relate to the total capacity of the unit at low or normal running speed. The speed of the Vectaire WHHR125DC will require adjustment to ensure the flow rates achieved provide adequate ventilation in accor- dance with all relevant Building Regulations and applicable Standards.
  • Page 13: Boost Speed Setting

    Page 13 Commissioning - Full Mode Boost speed setting 6. Select Boost mode on switch 1 of the speed selection switch. 7. Select required range for boost speed using switches 2 to 4 on the speed selection switch. 8 Fine adjustment within each speed range can be car ried out using the...
  • Page 14: Service And Maintenance

    ISOLATE the unit from mains power supply and allow sufficient time for all moving parts to stop before undergoing any Servicing or Maintenance. The air filters and heat exchanger of the Vectaire WHHR125DC should be cleaned regularly by a suitably qualified person (the frequency of cleaning will vary depending on the installation environment).
  • Page 15: Cleaning

    Filter Replacement Filters should be replaced annually or after a maximum of 3 cleaning cycles. Replacement filters are available from Vectaire - call us on +44 (0) 1494 522333 or via sales@vectaire.co.uk After servicing, always complete the service record on page 16.
  • Page 16: Service Record

    This booklet MUST be kept in the Home Information Pack and used as a service record. 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 Web: www.vectaire.co.uk WHHR125DC170210 E &...

Table of Contents