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Table of Contents
Summary of Contents for Anda 443423
- Page 1 DC Heat Recovery Unit MVHR Wholehouse heat recovery unit Stock Ref. N° DC Heat Recovery Unit MVHR 443423 Installation, Maintenance & Users Instructions PLEASE READ INSTRUCTIONS IN CONJUNCTION WITH ILLUSTRATIONS. PLEASE SAVE THESE INSTRUCTIONS.
- Page 2 Index Page No 1. GENERAL 2. PRODUCT DESCRIPTION 3. TECHNICAL SPECIFICATIONS 4. FITTING THE UNIT IN BRIEF 5. INSTALLATION DIAGRAM 6. CONNECTING THE CONDENSATE DRAIN 7. INSTALLATION 7.1 MOUNTING THE UNIT 7.2 CONNECTING THE DUCTWORK 8. ELECTRICAL CONNECTIONS 8.1 WIRING DIAGRAM 9.
- Page 3 DC HEAT RECOVERY UNIT MVHR INSTALLATION AND MAINTENANCE INSTRUCTIONS Read the following instructions in conjunction with the illustrations before commencing installation. 1.GENERAL IMPORTANT POINTS TO NOTE 1. THIS APPLIANCE IS INTENDED FOR PERMANENT CONNECTION TO THE MAINS ELECTRICAL SUPPLY FIXED WIRING AND MUST BE INSTALLED BY A SUITABLY QUALIFIED PERSON. 2.
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Page 4: Product Description
2. PRODUCT DESCRIPTION The DC Heat Recovery MVHR unit is a mechanical ventilation/heat recovery (MVHR) unit for domestic and commercial applications. It is designed for connection to 125mm-diameter ducting. The unit’s two fans and heat exchanger arrangement simultaneously supply and extract air while transferring heat from the stale exhaust airflow to the fresh intake airflow. -
Page 5: Technical Specifications
3. Technical specifications Maximum flow (Free Discharge) 280 m /h (78 l/sec) 0-100% adjustable on each speed. Low and Medium flow and optional sensor inputs Set on installation Dimensions (w x h x d) [mm] 560 x 635 x 260 Spigot diameter [mm] Ø125 External diameter condensate discharge [mm]... - Page 6 5. Installation diagram OUTLET/INLET SPIGOTS INTERCONNECTING STUDS (Unscrew) COVER FIXING SCREWS & PLUGS METAL BACKPLATE MOTOR ASSEMBLY CELL 1. Pull the front cover off the four Velcro fixings. 2. Place the unit flat on the floor and unscrew and keep the four stud retaining screws. 3.
- Page 7 6. Connecting condensation drain The condensation drain must be mounted at the bottom of the HR heat recovery unit with the fitting supplied. Use a 20mm hole saw to cut the hole, take care to cut on the correct side of the unit according to left or right handed configuration.
- Page 8 Drain position when mounting the unit vertically. OUTSIDE INSIDE THE HOME OUTSIDE LEFT HAND RIGHT HAND Drain position when mounting the unit horizontally. OUTSIDE INSIDE THE HOME OUTSIDE LEFT HAND RIGHT HAND IMPORTANT:- FOR HORIZONTAL MOUNTING ENSURE 4°SLOPE DOWNWARDS TOWARDS CONDENSATE DRAIN POSITION...
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Page 9: Installation
7. Installation 7.1 Mounting the DC MVHR unit The mounting plate of the DC MVHR unit can be fitted directly to the wall or joists with the supplied screws, plugs and stand off feet. For wall fitting use the template on the side of the box supplied. Ensure that there is enough space for the condensation fitting and ducts to be connected. -
Page 10: Electrical Connections
8 Electrical connections The appliance must be earthed. All wiring must conform to B.S 7671:IEE wiring regulations. And be completed by a qualified electrician. This appliance is suitable for 230v ~ 50Hz single phase supply fused at 3 amps. The appliance is supplied with a mains flexible cable (PVC sheathed, 6-core 0.75mm²). A double pole switch having a minimum contact separation of 3.0mm must be used to provide isolation for the unit. -
Page 11: User Maintenance
9. User Maintenance User maintenance is limited to periodically cleaning the filters and the heat recovery cube. The unit should not be used without filters. Cleaning intervals can be extended in areas of relatively low air pollution levels. The filters should be replaced annually or after a maximum of 3 cleaning cycles 9.1 Cleaning the filters by user Switch off the power supply... - Page 12 9. User Maintenance 9.2 Cleaning the heat exchanger by user 1. Switch off the power supply & remove the front panel 2. Unscrew the 4 screws on the front of the unit. Carefully remove the front half of the unit and put to one side. 3.
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Page 13: Condensation Drain
10. Spares ITEM PART NUMBER DESCRIPTION 444364 FRONT COVER (WHITE) 444363 FILTER COVER (SET OF 2) 443889 FILTERS (PACK OF 2) 444362 HEAT RECOVERY CELL 444374 E.C FANS 444360 CONDENSATION DRAIN... - Page 14 MVHR Installation Checklist REQUIRED TO BE COMPLETE TO COMPLY WITH CONDITIONS OF WARRANTY, but does not affect statutory rights. This is a short check list of good practice do’s and don’ts that may affect the safety or functionality of the installation.
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