BESPOKE BOXER AIR HANDLING UNITS INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS INVERTER CONTRO L PACK INVERTER CONTRO L PACK

BESPOKE BOXER Air Handling Units Installation and Maintenance 1.0 Introduction The information contained in this document provides details of installation, operation and maintenance for installers and users of the BESPOKE BOXER Air Handling Units. The BESPOKE BOXER range of units are manufactured from Aluzinc corrosion resistant steel, with either 30 or 50mm double skinned panels and anodized aluminium frame; Mechanical strength, D1; Leakage class, L2; Thermal transmittance, T4; Thermal bridging, TB4. The range has high efficiency centrifugal fans and where applicable, high efficiency thermal...

Installation and Maintenance 3.0 Delivery & Receipt of Equipment All equipment is inspected prior to despatch and leaves the factory in good condition. Upon receipt of the equipment an inspection should be made and any damage indicated on the delivery note. Particulars of damage and/or incomplete delivery should be endorsed by the driver delivering the goods before offloading by the purchaser. No responsibility will be accepted for damage sustained during the offloading from the vehicle or on the site thereafter. BESPOKE BOXER Air Handling Units IMPORTANT To ensure that the delivery vehicle is...

BESPOKE BOXER Air Handling Units 3.2 Base Frame Lifting Points When units are constructed of multiple modules each module will have its own individual base frame, which is then connected to the next to assemble the full system. The equipment must be stored in a dry, internal location. Ductwork connection apertures should be sealed against the ingress of dust, water and vermin. All base frame sections will have 50mm square lifting holes at the end of each side to enable lifting. In addition to this, covered fork lifting channels are located across the width of the base frame, if the module length...

BESPOKE BOXER Air Handling Units Installation must be carried out by competent personnel, in accordance with good industry practice, with the appropriate authority and in conformance with all statutory and governing regulations. Loading, transportation, off loading and site positioning can cause the air handling unit structures to move, therefore panel seals will not always remain fully intact. The unit should stand upright and level on the floor, foundation or supporting steelwork which should be rigid, flat and level and should be capable of supporting the weight of the unit including water...

Installation and Maintenance 4.4 Weather Resistant Units Weather resistant units in multiple sections will have sectional roof components that must be fitted and sealed after the unit sections are bolted together. All necessary nuts, bolts, washers and sealant are supplied with each unit and are normally bagged and located within the fan section. Suitable mastic sealant is to be provided by others. The equipment must not be exposed to the weather in an unassembled or partially assembled state. All ductwork, sealing and assembly work must be completed before the unit can be considered weather...

4.6.5 Condensate Connections - Plate Heat Exchanger Where plate heat exchangers are in use, condensate drainage points are provided. It is the installers' responsibility to ensure connection to the appropriate trap and drainage. Due to the bespoke nature of these units condensate connection locations can vary during the design process and should be confirmed on an individual basis. Horizontal plate heat exchangers have 2x 22mm drain connections. Connections are typically located on the underside of the PHX module at the extract inlet and extract outlet (see figure Figure 6). Vertical plate heat...

BESPOKE BOXER Air Handling Units 4.8.2 Bulkhead Lights (If Applicable) The electrical wiring must be carried out by competent persons, in accordance with good industry practice and should conform to all governing and statutory bodies i.e. IEE, CIBSE etc. Lights are designed for permanent connection to fixed wiring. This should be either a suitable lighting circuit (protected with a 5 or 6 Amp MCB or fuse) or a fused spur (with a 3 Amp fuse) via a fused connection unit. Ensure suitable earth bonding is maintained on all AHU sections. Figure 10. Bulkhead Light Wiring 4.8.1 Fan Wiring Inverter speed...

Installation and Maintenance bespoke boxer Air Handling Units 4.8.5 Thermal Wheel The thermal wheel incorporates a purge section and is fitted with a rotational drive. Any temperature sensors and enabling signal are to be provided by others. A frequency converter with a modular design is used as the control unit; it can adjust the speed of three-phase motors. The control unit is delivered ready for operation with the factory-set parameters. Various settings can be changed with an optionally available operating unit. Error messages can be read out directly at a flashing LED. The power unit is...

Installation and Maintenance 4.9 Filters BESPOKE BOXER Air Handling Units Figure 16. Typical bag filters with front withdrawal. Filters will be provided in banks on suitable slide rails, so that they can be withdrawn. Magnehelic gauges are offered as standard unless otherwise instructed. 4.9.1 Spare Filters If specified with order, spare sets of filters will be provided and should be stored in a clean, dry environment. Should you require spare filter media, please contact Nuaire. 4.9.2 Panel & Bag Filters with Side Withdrawal Insert the filters by sliding them into the railing provided. If specified,...

BESPOKE BOXER Air Handling Units Before commissioning the unit, ensure that all equipment has been assembled in accordance with the installation procedure all instances where the unit is in operation the access doors should remain closed; at no time, during maintenance or otherwise, should anyone be inside a unit whilst it is in operation. Please refer to general arrangement drawings for details of the type of fan and drive that is fitted. Maintenance guidelines for all fans are beyond this manual, please contact Nuaire for specific documents. 5.1 Commissioning Checklist ü All equipment received...