Summary of Contents for Wesper Westherm 35
- Page 1 Westherm Propeller Fan Unit Heaters Models 35 to 110 IMW 300.0M/03.02 Supersedes : None Part number : Q3NSTE830...
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Page 2: Table Of Contents
Table of Contents Introduction ............................p. 3 Safety Precautions ..........................p. 3 Description ............................. p. 4 Inspection and storage ............................p. 4 Electrical data ............................... p. 4 Operating limits ..............................p. 4 Dimensional Data and Weight of Standard Units ................. p. 5 Dimensional Data and Weight of Options ..................... -
Page 3: Introduction
1 - Introduction The purpose of this manual is to provide the installation, start-up, operating and maintenance rules to the users of the propeller fan unit heaters. It does not give a full description of all maintenance works assuring the long life and reliability of this type of equipment. Only the services of qualified personnel, member of a registered maintenance company, can guarantee a reliable and durable running of the unit. -
Page 4: Description
3 - Description registered letter to the forwarder, mentioning clearly the 3.1 - Inspection and Storage occured damages and a copy of the letter to the manufacturer or its representative. When the equipment is received, all items must be carefully Do not stand or transport the unit on its end. -
Page 5: Dimensional Data And Weight Of Standard Units
4 - Dimensional Data and Weight of Standard Units 4.1 - Vertical Arrangement Diffuser VM Size 70 - 4 nuts M12 Other sizes - 2 nuts M12 ;;;;;;;; Ø L ;;;;;;;; Ø L ;;;;;;;; M12 nuts Horizontal discharge Diffuser VN Size 70 - 4 nuts M12 Other sizes - 2 nuts M12 Ø... - Page 6 4 - Dimensional Data and Weight of Standard Units (cont'd) 4.2 - Horizontal Arrangement Diffuser HN Diffuser HP Diffuser HO (except sizes 70 & 110) (except sizes 35, 70 & 110) Ø L Ø L Ø L Ø L Ø L Ø...
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Page 7: Dimensional Data And Weight Of Options
5 - Dimensional Data and Weight of Options Component description V : Vertical mounting unit heater. F : External weatherproof louvre with bird guard. H : Horizontal mounting unit heater. G : Duct. A : Cubic inlet casing for matching other accessories on 3 J : Mixing box with adjustable shutter and wire mesh faces. - Page 8 5 - Dimensional Data and Weight of Options (cont'd) ;; ;; yy yy;; yy ;; yy Standard arrangements Arrangement 7 (VAGZ) Arrangement 8 (VABGZ) Arrangement 9 (VABF) h x h h x h E 120 ; y ;; ;; yy yy ;; yy a x a a + 60 Filter E is optional...
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Page 9: Installation
6 - Installation 6.1 - Unit Handling 6.2 - Installation Location Be careful to avoid rough handling on the unit. Do not lift 1. The units are designed to be installed at high position. 2. Install the unit in a position having sufficient strength to carry the unit by the motor support or by the coil connecting the weight of the unit. -
Page 10: Installation Instructions
6 - Installation (cont'd) 6.3 - Installation Instructions 1. Unpack the unit and install the fixing brackets on it (see located on the sides of the unit (see drawing C). drawings below). 5. Secure the unit in its final position and level it with a 2. -
Page 11: Supply Air Throw
6 - Installation (cont'd) supply diffuser, for a supply air temperature difference of 15 °C. 6.4 - Supply Air Throw (m) For other temperature differences, use the correction factor. The air throw of a propeller fan unit heater is the distance between Correction factor the unit and the points where the air velocity is no longer felt by the Temp. -
Page 12: Water Connections
7 - Water Connections and to avoid mechanical stresses on the units. Tighten 7.1 - Water Coil Connections normally the water connections. Note that an excessive tightening can cause too strong material stresses at the time of significant temperature changes. Each water coil is equipped with headers having male All water lines should be insulated to prevent sweating threaded type connection on water supply and water return... -
Page 13: Water Pressure Drop
7 - Water Connections (cont'd) 7.3 - Water Pressure Drop Page 13... -
Page 14: Electrical Connections
8 - Electrical Connections 8.1 - Unit Connection Before undertaking any electrical connection, make sure that the fan motor is suitable for electrical power supply. All wiring must be done in accordance with applicable electrical codes and regulations. Earthing of unit is imperative. The manufacturer or its representative will not be held responsible for accidents caused by incorrect or non-existing earthing. -
Page 15: Preliminary Checks Before Start-Up
9 - Preliminary Checks Before Start-up 1. Make sure that system piping has been cleaned and all the air 3. Make certain that fan rotates freely. has been purged, before starting up the unit. 4. Make sure that all water and electrical connections are properly 2. - Page 16 With a concern for a constant improvement, our products can be modified without notice. Photos non contractual. Your distributor : Wesper S.A. - 42 cours Jean-Jaurès - 17800 Pons - France - Tel : +33-5 46 92 33 33 - Fax : +33-5 46 91 26 44 - www.wesper.com...
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