CASSETTAIR CEILING HEATER INSTALLATION, OPERATION & MAINTENANCE INSTRUCTIONS PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE ATTEMPTING INSTALLATION Biddle Air Systems Ltd St. Mary’s Road Nuneaton Warwickshire England CV11 5AU Email: sales@biddle-air.co.uk Tel: +44 (0) 24 76 384233 Fax: +44 (0) 24 76 373621 www.biddle-air.co.
DELIVERY CHECK The following items are supplied and packaged within the boxes. Cassettair Ceiling Heater Wall Controller ECONTROL Mounting Strips (x2) IEC C13 In-line Power Connector (screw terminal) Grille Check the unit and all its packaging for correct delivery. Make sure that all components and accompanying parts have been supplied. Immediately report to the supplier if anything is missing or damaged. For your records Date of Purchase…………………………….. Place of Purchase…………………………….
INSTALLATION OF CASSETTAIR CEILING HEATER The Cassettair ceiling heater is designed to be recessed within ceiling voids or bulkheads within a building and located horizontally. It must not be installed outside of the building. Location Cassettair ceiling heaters may be installed anywhere that requires instant, discreet and trouble-free heating. Cassettair ceiling heaters should be mounted within its height specification of 1.8m to 3.5m maximum (from floor level to the underside of the unit/grille).
Using self-tapped screws supplied fasten the two safety brackets onto the mounting strips. Suspending the Cassettair in this way will allow the heater to be adjusted in any direction, hence allowing the unit to fit unobtrusively. Ensure the threaded rods do not come below bottom face of unit. It is the sole responsibility of the installer to ensure that the building fixing points and suspension system used are suitable for the ceiling cassette heater being installed.
January 2013 Page 5 of 15 180 Controls 570 740 - 840 620 Electrical Connection 610 Valve Cable Entry Point 570 Water Flow Figure 1 – Cassettair KLV1 & KLV1-CB 280 260 620 Water Return
Fitting of the Grille The grille consists of a profile face with two fixed hinge mount brackets. Before lifting the recessed grille into position, locate the two hinge mount brackets fitted on the grille frame. With both mount brackets facing upwards towards the cassette heater, raise grille to the two spring loaded hinges. Push one spring loaded hinge, as indicated on the insert, and locate hinge pin into the appropriate mount bracket.
Safety and Electrical Connections All electrical wiring and connections MUST be carried out by a competent qualified electrician in accordance with the latest edition of the IEE wiring regulations and/or local statutory regulations (see Wiring Diagram on Page 11). A single phase isolator with a contact separation of at least 3mm in all poles must be fitted to the supply wiring. The isolator must be fitted in an accessible position.
Fitting/Connecting the ECONTROL Wall Controller The ECONTROL uses low voltage to communicate via the RJ control cable supplied. The controller should be located in a suitable place for easy access. Open the ECONTROL. Lead the control cable through an opening in the back casing. Fix the back casing to the wall and fasten the cable, leaving 9cm protruding. If required set the DIP switches in the front casing (refer to pages 9 and 12). Plug the control cable into the socket in the front casing.
Multiple Installation To Master/Slave two or more cassette heaters together the remote control is plugged into the Master unit (this can be any of the units) and a RJ lead should be connected from the Master to the Slave unit(s). RJ control cable extension leads are available from Biddle and must be ordered separately. Additional cassette heaters, up to a maximum of eight units, may be connected as indicated below.
DIP switches fitted on the ECONTROL board provide a selection of optional features as described previously. Isolate and switch electrical power off before configuring and/or changing any DIP switch settings. Easy plug-in arrangement for remote air sensor thermistor on a 1m lead. Plugging-in the remote air sensor to J3 disables the standard air sensor thermistor already fitted on the ECONTROL power board. As supplied, the board will not have the remote air sensor fitted.
Wiring Diagram January 2013 Page 11 of 15
ECONTROL Operation and DIP Switch Settings On/Off (I/O) Press Auto/Manual button (1) to turn the cassette heater On and operate as follows:Press the Auto/Manual button (1) to cycle between Manual and Automatic modes. DIP Switch Settings At the back of the PCB there are four DIP switches (see above) that provide the following optional features. DIP1 The LED is lit for "Auto Mode" and un-lit for "Manual Mode". Manual: Heat output can be selected as Zero, Half Heat or Full Heat.
Commissioning Once the ceiling heater is functioning verify that the fans operate at Low, Medium and High speeds, that there is no excessive mechanical noise coming from the fans and that all fans are working. Establish that the air stream from the discharge grille warms up when heating is selected. Confirm that heating increases as higher heat is selected. Confirm the heater operates correctly in Manual Mode. Then select Auto Mode and increase the heating set point until the air stream warms up.
User Fault Finding Flowchart Is Electrical Power switched on No Switch on Electrical Power Yes Connect remote control and push On/Off switch to turn unit on Contact Installer Are the fans operating correctly No No No Yes Is LED1 flashing green Yes Select heat output Do the LED’s light up on the remote control No Is the remote control plugged in and turned on Yes Yes Contact Installer Are the water flow and return temperatures adequate Yes No Is the unit discharging warm air Yes No Contac
Service & Maintenance Always disconnect and isolate the mains electricity supply before installing, maintaining or repairing this equipment. Note: All maintenance/repairs should only be carried out by a competent electrician or Biddle appointed technician. To ensure the cassette heater operates at full efficiency the inlet/outlet grilles, fan impellers, housings and motors must be kept free of dust and debris.
