– improper installation or repair of webasto heating and cooling systems can cause fire or the leakage of deadly carbon monoxide leading to serious injury or death. – installation and repair of webasto heating and cooling systems requires special webasto training, technical information, special tool...
Table of contents www.Webasto.Us webasto product n.A., inc. Www.Techwebasto.Com 3 contents page foreword 4 general . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 scope and purpose . . . . . . . . . . . . . . . . . . ....
Foreword www.Webasto.Us webasto product n.A., inc. Www.Techwebasto.Com 4 1. Foreword general webasto product north america, inc. Is pleased to provide this installation manual with the thermo 90 st designed for the bluecool premium system. When used according to the guidelines stated in this manual,...
Foreword www.Webasto.Us webasto product n.A., inc. Www.Techwebasto.Com 5 2. Safety and important information failure to follow the installation instructions and the notes contained therein will lead to all liability being refused by webasto product. The same applies if repairs are carried out incorr...
Foreword www.Webasto.Us webasto product n.A., inc. Www.Techwebasto.Com 6 symbol identification the purpose of safety symbols is to attract your attention to possible hazardous conditions. This manual uses a series of symbols and signal words which are intended to convey the level of importance of th...
Foreword www.Webasto.Us webasto product n.A., inc. Www.Techwebasto.Com 7 packaged components category description qty. Intake and exhaust tube flex ss 38mm x 2m 1 tube flex pak 30mm x 2m 1 clamp exhaust 1 1/2" 4 clamp hose air intake 2 thru hull exhaust 1 fuel system fuel line metal (3/16"dia) 25 fe...
Installation www.Webasto.Us webasto product n.A., inc. Www.Techwebasto.Com 8 1. Installation general information important • the thermo 90 st must be installed outside the passenger cabin. • the following temperature ranges apply to some components: • abs pipe system (g. Fischer) and fittings from -...
Installation www.Webasto.Us webasto product n.A., inc. Www.Techwebasto.Com 9 installation site / installation position the heater must be installed in as low a position as possible to allow the heater and circulating pump to be bled auto- matically. This is particularly important as the circulating ...
Installation www.Webasto.Us webasto product n.A., inc. Www.Techwebasto.Com 10 hose connections to chiller unit the thermo 90 st is intragrated into the chiller unit water circuit via a electrically actuated 3-way valve assembly. Components: 1. Stop valve at ship’s side inlet 2. Sea water filter 3. W...
Installation www.Webasto.Us webasto product n.A., inc. Www.Techwebasto.Com 11 electrically actuated 3-way valve: electrically actuated 3-way valves of the relevant sizes are used in chiller systems with up to 36,000 btu. The selection is made according to the diameter of the pipe used. • 3-way valve...
Installation www.Webasto.Us webasto product n.A., inc. Www.Techwebasto.Com 12 fuel supply the fuel can be used from the vehicle fuel tank or from a separate fuel tank. The values for the maximum pressure at the fuel extraction point are shown in the table below. A sign must be affixed to the fuel fi...
Installation www.Webasto.Us webasto product n.A., inc. Www.Techwebasto.Com 13 since the lines cannot be routed with a constant rising gradient, the internal diameter must not exceed a certain size. Air or gas bubbles will accumulate in lines with an internal diameter of more than 4 mm and will cause...
Installation www.Webasto.Us webasto product n.A., inc. Www.Techwebasto.Com 14 combustion air supply asphyxiation risk! The combustion air required for the heater may only be drawn in from the outside or from spaces that are not occupied by persons e.G. Ventilated foredeck box or ventilated *engine c...
Installation www.Webasto.Us webasto product n.A., inc. Www.Techwebasto.Com 15 heater exhaust route the flexible exhaust in such a way that the heat cannot affect adjacent heat sensitive materials, plastic piping, electric cables and sails etc. Make sure to use the glass / silicon protective insulati...
Installation www.Webasto.Us webasto product n.A., inc. Www.Techwebasto.Com 16 avoid asphyxiation! If the exhaust pipe is routed through the inside of the vessel, exhaust gas tube must be as leakproof as possible: • use only webasto approved exhaust clamps and firmly tighten clamps. • an approved exh...
Installation www.Webasto.Us webasto product n.A., inc. Www.Techwebasto.Com 17 electrical system general information electrical connections are to be carried out in accordance with the circuit diagrams contained in this installation manual. When installing the electrical system make sure that the com...
Installation www.Webasto.Us webasto product n.A., inc. Www.Techwebasto.Com 18 tecc program 412 and higher with thermo 90 st and electrical 3-way valve because an external water heater (thermo 90 st) is being installed with a bluecool chiller unit, the tecc card must be reprogrammed for proper operat...
Installation www.Webasto.Us webasto product n.A., inc. Www.Techwebasto.Com 19 connections on the tecc card: r1 - connection c1 r1 - connection r1 r1 - connection t1 r1 - connection c2 r1 - connection r2 r1 - connection t2 fig. 15 chiller unit tecc card.
Installation www.Webasto.Us webasto product n.A., inc. Www.Techwebasto.Com 20 information about air guidance inlets and outlets: in principle, the air guidance in the ship is designed for air conditioning operation. This means the air is extracted at floor level and blown out at ceiling level. By na...
Circuit diagrams www.Webasto.Us webasto product n.A., inc. Www.Techwebasto.Com 21 circuit diagrams circuit diagram legend for the thermo 90 st 1. Temperature coding (temperature at water outlet): refer to following circuit diagram legend for further information. 2. Vessel fuse 3. Vessel blower switc...
Circuit diagrams www.Webasto.Us webasto product n.A., inc. Www.Techwebasto.Com 22 fig. 17 system circuit for thermo 90 st, 12 / 24v fig. 18 tecc card from chiller unit.
Initial start-up www.Webasto.Us webasto product n.A., inc. Www.Techwebasto.Com 23 1. Initial start-up general after you have installed the heater, bleed the water system and the fuel supply system carefully. Conduct a trial of the heater to check all the water and fuel connections for leaks and to e...
Technical data www.Webasto.Us webasto product n.A., inc. Www.Techwebasto.Com 24 2. Technical data except where limit values are specified, the technical data below refers to the usual heater tolerances of ± 10% at an ambient temperature of 68°f (20 °c) and at nominal voltage. Electrical components: ...
Troubleshooting www.Webasto.Us webasto product n.A., inc. Www.Techwebasto.Com 25 3. Troubleshooting fault lock-out • fuel is supplied for max. 240 seconds if the flame does not start to burn. • fuel is supplied for max. 240 seconds if the flame goes out during operation. • the fuel supply is shut of...
Notes www.Webasto.Us webasto product n.A., inc. Www.Techwebasto.Com.
Notes www.Webasto.Us webasto product n.A., inc. Www.Techwebasto.Com.
Webasto product n.A., inc. 15083 north road fenton, mi 48430 technical assistance hotline usa: (800) 860-7866 canada: (800) 667-8900 www.Webasto.Us www.Techwebasto.Com org. 05/2005 rev. N/a p/n: 5000988a.
