Related Manuals for National Ventilation Monsoon MON-HRU/230-100
Summary of Contents for National Ventilation Monsoon MON-HRU/230-100
- Page 1 MON-HRU/230-100 MON-HRU/330-100 MON-HRU/400-150 Installation & Commissioning PLEASE RETAIN THESE INSTRUCTIONS WITH THE PRODUCT.
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Page 2: Important Safety Information
Warnings & Safety Information IMPORTANT SAFETY INFORMATION 8. Young children should be supervised to ensure that they do not play with the appliance. PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE COMMENCING INSTALLATION GUIDANCE INSTALLATION. 1. The installer is responsible for the installation and electrical connection of the MON-HRU system on site. -
Page 3: Table Of Contents
About this Document Contents UK Building Regulations (Part F) Declaration of IMPORTANT SAFETY INFORMATION ......... 2 Conformance INSTALLATION GUIDANCE ............2 MON-HRU ..................4 MON‐HRU/230‐100 AND MON‐HRU/400‐150 units conform to the 2010 Building Regulations (Part F ‐ Technical Data Means of Ventilation) installed performance of a Installation ducted mechanical extract fan when installed in Overview ..................8 accordance with the instructions in this document Before Installation of the Unit ............. 8 and the domestic ventilation compliance guide. ... -
Page 4: Mon-Hru
Product Description MON-HRU The MONSOON MON‐HRU range are heat recovery units designed for the energy efficient ventilation of houses and similar dwellings, conforming to the latest requirements of the Building Regulations document F 2010. These units are designed for continuous 24 hour exhaust ventilation of stale moist air from bathrooms, toilets and kitchens. As the stale air is extracted, a heat exchanger within the unit transfers up to 94% of the heat and transfers it into the supply air entering the bedrooms and lounge. Figure 1: Right Hand Units (Factory Configured) MON-HRU/230-100 MON-HRU/330-100 & MON-HRU/400-100 Figure 2: Left Hand Units (See conversion pages 9-11) MON-HRU/230-100 MON-HRU/330-100 & MON-HRU/400-100... -
Page 5: Technical Data
Installation Technical Data Performance MON-HRU/230-100 MON-HRU/330-100 MON-HRU/400-150 Airflow Maximum, FID, 238 m Maximum, FID, 335 m Maximum, FID, 500 m Normal factory set at minimum Normal factory set at minimum Normal factory set at minimum Boost factory set at minimum Boost factory set at minimum Boost... - Page 6 Installation Figure 4: MON-HRU/400-150 Dimensions MON-HRU/230-100 Performance graph for Vertical Discharge Note: Graph show 2 typical system curves with total unit input power in Watts.
- Page 7 Installation MON-HRU/330-100 Performance graph for Vertical and Horizontal Discharge MON-HRU/400-150 Performance graph for Vertical and Horizontal Discharge Note: Graph show 2 typical system curves with total unit input power in Watts.
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Page 8: Installation
Installation Installation Overview The following instructions are intended to help prevent potential hazards and installation should only be carried out by a qualified electrician and installer. This booklet covers both the MON‐ HRU/230‐100, MON‐HRU/330‐100 and MON‐HRU/ 400‐150. The control systems are identical on both units. There are some differences during the physical installation that the installer needs to be aware of. NOTE: we advise installers to fix all mains and sensor wiring prior to fixing the MVHR unit in position. Before Installation of the Unit Inspect the Unit When taking delivery of the unit, check the items delivered against the enclosed delivery note. Inspect the unit for damage in transit. If in doubt, contact Customer Services. Each box contains a MON‐HRU unit and an accessory pack containing wall brackets, condensate drain link pipes, worm‐ drive clips, fixings and product documentation. Lift and Move the Unit Safely On page 5 check the weight of the unit that you are installing. Always use appropriate lifting techniques and appliances when moving heavy equipment. Check Site Requirements and Safety Notices Check that the physical and environmental conditions for the site meet, or exceed, the requirements detailed in the Technical Specification on page 4. Read and observe the safety notices listed in Warnings and Safety Information on page 2. Unit Installation The MON‐HRU/230‐100 unit is typically installed on a wall in a kitchen, storage cupboard, roof void, ... - Page 9 Installation Select Unit Orientation The unit is supplied from the factory with the condensate exit (and the atmosphere spigots) to the right of the unit, when viewed from the front. Access is required to the Control Unit on the front of the unit in order to commission, operate and maintain the unit. If the unit is to be installed as supplied, skip the following section and go to Vertical Discharge Condensate Installation on page 11. If the orientation of the condensate exit (and the atmosphere spigots) would be better suited on the left of the unit, the front Control Unit and the rear Cable Inlet Plate can be swapped over to allow the unit to be installed in the opposite orientation. Installing the Unit in the Opposite Orientation (LH Condensate) Installing the unit in the opposite orientation involves removing the front cover (and associated Control Unit Panel), and the rear cover (and associated Cable Inlet Plate), rotating the unit chassis and covers through 180 degrees and then re‐attaching them. This moves the condensate drain exit from the right (rear) corner of the unit to the left (front) corner of the unit, when viewed from the front (viewing the Control Unit). The arrow labels on the top edge of the Covers should be correctly matched to the arrow labels on the top of the Case. 1. Remove the front and rear covers by unscrewing the) fixing screws on both covers. ...
- Page 10 Installation 4. Remove the 2 screws and detach the Electrical Cover from the front of the unit. 5. Remove the 2 screws and detach the Control Panel and disconnect the mains lead. 6. Disconnect the connection looms. 7. Disconnect all the wiring looms from control panel. 8. Remove the 2 screws and detach the rear Cable Inlet Plate. Note that the grommets shown may be replaced by easy knock‐out positions. If these are required, ensure that you use a grommet or gland to protect against potential water ingress. 7. Re‐attach the Cable Inlet Plate on the opposite side of the unit. ...
- Page 11 Installation 8. Fit the Control Panel on the opposite side of the unit. Taking care to reconnect the 2‐way, 3‐way and internal connectors to the control panel before securing the panel to the unit. 9. Re‐connect the mains cable: L, N, E, LS1 and LS2. 11. Leave the front and rear covers off the unit. 12. For vertical discharge condensate connection continue on page 11, or for horizontal discharge condensate connection go to page 12. Vertical Discharge Condensate Installation Note The 22 mm diameter condensate pipe is suitable for standard 22 mm plastic push-fit fittings and can be connected vertically underneath the unit or horizontally at the rear. To install the vertical discharge condensate: ...
- Page 12 Installation 3. Fit the vertical condensate pipe and secure with worm drive clip The condensate pipe can be attached with a worm drive clip to a 22 mm vertical pipe. Fit a ‘U’ bend condensate drain having a minimum of a 60mm water seal or a HepvO valve to the building’s foul water drainage system and ensure there is a minimum 3 degree fall to allow condensate drainage. Both left hand and right hand condensate drain pipes are supplied for use as appropriate depending on the orientation of the unit. 4. Go to Spigot Installation on page 14. Horizontal Discharge Condensate Installation To install the condensate horizontal discharge: 1. For horizontal discharge, remove the front cover and locate the condensate stub at the front of the unit. 2. Remove the Black Cap from end of condensate stub at the front of the unit. ...
- Page 13 Installation 3. On the MON‐HRU/230‐100 and MON‐ HRU/330‐100 drill a diameter 32 mm whole where shown, right. On the MON‐HRU/ 400‐150 drill a diameter 32mm hole using the indent provided in the 60 mm moulding as a guide. The hole is a clearance hole for a diameter 22 mm pipe and so may vary a little from 21 mm this guidance. 4. N.B. SEE “WALL MOUNTING” on pages 15 to 18 for information on marking out the wall for the position of the condensate drain and wall mounting brackets. Fit Vertical discharge 32mm waste pipe (fitted with 22 / 32mm reducer). Fit a ‘U’ bend condensate drain having a minimum of a 60mm water seal or a HepvO valve to the building’s foul water drainage system and ensure there is a minimum 3 degree fall to allow condensate drainage. 5. Fit the 180 degree bend supplied to a 22mm diameter x 280mm long condensate pipe with worm drive clip. ...
- Page 14 Installation 6. Fit pipe assembly into waste pipe and secure 90 deg elbow to condensate spigot with worm drive clip. Spigot Installation Air entry/exit spigots may be fitted on either the top or the side of the unit for vertical or horizontal entry or exit. Attach the spigots, depending on the space available for the ducting and orientation of the unit. Always fit the blanking caps to the entry or exit hole not in use to ensure the correct airflow into and out of the unit. To move the spigots: 1. Remove the spigot by unscrewing the screw(s) securing it to the chassis. Then pull the spigot firmly from the entry/exit hole. 2. Remove the blanking cap by unscrewing the screw(s) securing it to the chassis. Then pull the blanking cap firmly from the entry/exit hole. 3. Swap over the spigot with the removed blanking cap. 4. Insert the spigot into the entry/exit hole and secure with the retaining screw(s). Insert the blanking cap into the entry/exit hole and secure with the retaining screw(s). N.B. Before finally fixing the unit into position it may be more convenient to make the electrical connections;...
- Page 15 Installation Wall Mounting MON-HRU/230-100 & MON-HRU/330-100 1. Refit the front and rear covers if they have been removed. 2. Ensure the two steel wall bushes are fitted to the rear cover, along the top row of screws. 3. Mark the condensate and wall bracket positions. 4. Fit the stand‐off feet in place, supplied in the accessory bag 5. Fit metal wall bracket (supplied) to the wall using appropriate fixings. 6. Lift unit and locate the steel wall bushes onto the wall bracket. The unit should now be physically installed in its intended operating location. 7. Ensure that the condensate drain is connected as described on page 13. Stand-off feet...
- Page 16 Installation MON-HRU/230-100 & MON-HRU/330-100 Wall Mounting Dimensions...
- Page 17 Installation Wall Mounting MON-HRU/ 400-150 1. Refit the front and rear covers if they have been removed. 2. Ensure the three steel wall bushes are fitted to the rear cover, along the top row of screws. 3. Mark the condensate and wall bracket positions using the drawing below. 4. Fit metal wall bracket (supplied) to the wall using appropriate fixings. 5. Fit the stand‐off feet in place, supplied in the accessory bag. 6. Lift unit and locate the steel wall bushes onto the wall bracket. The unit should now be physically installed in its intended operating location. Ensure that the condensate drain is connected as described on page 13. Stand-off feet...
- Page 18 Installation MON-HRU/ 400-150 Wall Mounting Dimensions...
- Page 19 Installation Attaching the ducting: 1. Always use a short piece of flexible duct 100‐150 mm long, extended to its full length when connecting to ductwork. 2. Securely connect this ducting to the spigots using worm‐drive clips, cable ties or duct tape. Insulate any ducting passing through an unheated space to prevent any heat losses and surface condensation.
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Page 20: Electrical Installation
Installation Electrical Installation Connect Switches and Sensors The unit can be switched to boost by applying 230 V to the LS1 or LS2 inputs. Alternatively, the boost button on the control unit may be used. Table 1: Mains Cable Connections Terminal No. Name Cable connection Description Mains Live Brown 220-240 V AC, 50 Hz input Mains Neutral Blue 220-240 V AC, 50 Hz input EARTH Mains Earth Yellow/Green Earthing connector Switched Live 1 Black 220-240 V AC, 50 Hz input... - Page 21 Installation Connect the Power Supply WARNINGS MAINS SUPPLY VOLTAGES (220‐240 V AC) ARE PRESENT IN THIS EQUIPMENT WHICH MAY CAUSE DEATH OR SERIOUS INJURY BY ELECTRIC SHOCK. ONLY A QUALIFIED ELECTRICIAN OR INSTALLER SHOULD CONNECT THE POWER SUPPLY TO THIS UNIT. 2. THIS UNIT MUST BE CORRECTLY EARTHED. This unit is designed for operation from a single‐phase alternating current source (220‐240 V AC). A 1.5 m cable is connected internally to the unit for connection to a switched fused spur. To connect the power supply: 1. Ensure the local AC power supply is switched off. 2. One end of the power cable supplied is already connected to the unit and routed through the Cable Inlet Plate via a suitable gland to ensure the IP rating of the unit is not affected. 3. Connect the other end of the cable to the switched fused spur. 4. Use cable clamps and clips to secure the cable, as appropriate. Connecting a Boost (Light) Switch A Switched Live (LS1 or LS2) may be used to boost the airflow when a light is turned on, for instance in a bathroom or kitchen. Note that the LS2 connection has a boost start time delay of 5 minutes. In the event that the unit is inadvertently left running on boost, it will revert to normal speed after 2 hours. Power supplied to the unit via the LS1 or LS2 connections must be supplied via the same circuit as the incoming L mains as indicated on p20.
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Page 22: Powering Up The Unit
Start Up Powering Up the Unit Switching On Switch on the power at the mains supply isolator feeding the unit and the fan motors will start. N.B. If you are intending to carry out work or maintenance inside the unit, switch off the power at the mains outlet supplying the unit before you remove the covers. Switching Off 1. Turn the power off at the mains supply isolator switch. ... -
Page 23: Commissioning
Commissioning Commissioning Overview The instructions in this section are intended to provide configuration and operation information for setting up the equipment. Follow good practice when commissioning the unit. Ensure that the system is installed according to the system designers intent incorporating any acoustic ducting, that all joints are air tight, ducting is well supported, bends are avoided close to vents, and that the vent valves are fully open at the start of the commissioning process. The following is attached to the unit and should be used as a check list prior to setting the air flows. ... -
Page 24: Commissioning Control
Commissioning Commissioning Control The commissioning control enables you to adjust the fan flow rates. These are factory set to minimum and can be adjusted by using a small flat screwdriver through the four holes as shown below. Estimate the setting from the performance graph on page 7, measure the flow from the extract and supply grilles in the usual way. Adjust the potentiometers to suit. Figure 5: MON-HRU Controls Summer Mode The unit is equipped with a “Summer Mode” for use when the indoor temperature is higher than desired and the outdoor temperature is lower than the indoor temperature. This prevents the recovery of heat from the extracted air stream by stopping the supply fan, thereby allowing the cooler outdoor air to enter the property via for example open windows or doors. ... - Page 25 Commissioning Button Operation Button Function Press once to activate Boost mode. Press once again to exit Boost mode. To activate Summer Mode press 3 times in less than three seconds, after a short pause the green LED will illuminate and the supply fan will stop. To exit Summer Mode press 3 times in less than three seconds, after a short pause the green LED will turn off and the supply fan will restart.
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Page 26: Maintenance
Maintenance Maintenance Heat recovery units, by their very nature, require regular maintenance. The MON‐HRU range has been designed to facilitate access to enable maintenance to be carried out easily. WARNING THE FAN AND ANCILLARY CONTROL EQUIPMENT MUST BE ISOLATED FROM THE POWER SUPPLY DURING MAINTENANCE. Filter Maintenance Item Action Fan Filters When the red LED comes on, this is a reminder to check that the filters are not so dirty and they are blocking the airflow. The rate at which the filters become dirty will vary hugely depending on the environment and the activity within the property. -
Page 27: Product Fiche
Appendix PRODUCT FICHE For Residential Ventilation Units (Complying Commission Delegated Regulation (EU) No 1254/2014) - Page 28 National Ventilation Stathe Road Burrowbridge Somerset TA7 0RY Website: www.nationalventilation.co.uk email: info@nvagroup.co.uk Sales and technical hotline: 01823 690290 475018 E 1018...
- Page 29 MON-HRU/230-100 MON-HRU/330-100 MON-HRU/400-150 User Instructions PLEASE RETAIN THESE INSTRUCTIONS WITH THE PRODUCT.
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Page 30: Important Safety Information
SAFETY INFORMATION AND CONTENTS IMPORTANT SAFETY INFORMATION Contents Important Safety Information ............2 PLEASE READ THESE PLEASE READ THESE New Property Filter Maintenance ..........2 INSTRUCTIONS CAREFULLY INSTRUCTIONS CAREFULLY BEFORE USING THE UNIT. BEFORE USING THE UNIT. Product Description MON-HRU………………………………………………………………3 1. -
Page 31: Product Description
Product Description MON-HRU The Monsoon MON-HRU is a heat recovery unit designed for the energy efficient ventilation of houses and similar dwellings, conforming to the latest requirements of the Building Regulations document F 2010. The unit is designed for continuous 24 hour exhaust ventilation of stale moist air from bathrooms, toilets and kitchens. -
Page 32: Technical Data
Technical Specification Technical Data Performance MON-HRU/230-100 MON-HRU/330-100 MON-HRU/400-150 Airflow Maximum, FID, 238 m Maximum, FID, 335 m Maximum, FID, 500 m Normal factory set at minimum Normal factory set at minimum Normal factory set at minimum Boost factory set at minimum Boost factory set at minimum Boost... -
Page 33: Powering Up The Unit
Operation and Monitoring Powering Up the Unit Switching On 1. Switch on the power at the mains supply isolator feeding the unit and the fan motors will start. Switching Off 2. Turn the power off at the mains supply isolator switch. -
Page 34: Overview
Operation and Monitoring Overview When the MON-HRU unit has been installed and commissioned it should require no further intervention in order to operate. External switches may be used to control switch from normal to boost. Control Unit The Control Unit is located at the front of the MON-HRU unit. Summer Mode The unit is equipped with a “Summer Mode”... -
Page 35: Maintenance
Maintenance Caring for the Unit Heat recovery units require regular maintenance. The MON-HRU has been designed to facilitate access to enable maintenance to be carried out easily. WARNING THE FAN AND ANCILLARY CONTROL EQUIPMENT MUST BE ISOLATED FROM THE POWER SUPPLY DURING MAINTENANCE. - Page 36 National Ventilation Stathe Road Burrowbridge Somerset TA7 0RY Website: www.nationalventilation.co.uk email: info@nvagroup.co.uk Sales and technical hotline: 01823 690290 475021C 0618...
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