Kroll 25S Technical Manual
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- Instruction handbook manual (48 pages) ,
- Operating instructions manual (32 pages) ,
- Instruction handbook manual (44 pages)
Table of Contents
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Table of Contents
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Summary of Contents for Kroll 25S
- Page 1 880910 Technical Manual 25 S - 110 S Status: Oct. 2009...
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Page 2: Table Of Contents
Tightening the fan belt Mounting of intake and outlet accessories Spare parts list Wiring diagrams 31- 32 Declaration of conformity Edition: Oct. 2009 Technical changes for product improvement subject to change without notice. Copyright and manufacturer : Company Kroll GmbH... -
Page 3: Description Of The Heater
The Kroll warm air heaters (S) are made of high-quality material and are manufactured clean cut. Thus, they guarantee trouble-free operation and durability. Special attention is given to quick and simple installation as well as to easy servicing. -
Page 4: Assembly Notes
Installation notes As to the installation of the units, the respective security specifications and valid directions of your country have to be observed. Where to install the heater Before you choose the place where the heater will be installed, make sure that your requirements do not work against: a) fire protection function (e.g. -
Page 5: Heater Overview
Heater overview Complete with suction components and and plenum with 3-sides- outlet; with drive; switch box; thermostat, completely wired. Standard version Without intake and outlet components, for higher pressure; with drive, switch box, thermostat; completely wired, lying or standing version. Ducting version... -
Page 6: Technical Data 25 S - 110 S
Dimensions Lenght mm 1085 1.150 1.150 Width mm Height mm 1275 1500 1645 1835 1.895 1.985 Weight without burner Type of Protection IP 44 CE – Ident-No. According to CE-0085BS5025 EC-Directive for gas-fired heaters 25S to 70S 95S to 110S... -
Page 7: Dimensions Table 25 S - 110 S
Size measurment table Weight Type EØ G Ø H Ø 1275 1500 1110 1645 1195 1085 1835 1425 1150 1895 1545 1075 110S 1150 1985 1545 1075 Alle dimensions in mm... -
Page 8: Technical Data K-Units
Technical data K-units K = for ducting system Oil or Gas-fired warm air heater. K-unit for connecting accessories and ducting systems. Intake open to 3 sides (D, E, F), without hood; with drive, switch box, thermostat; completely wired. External Outlet pressure 1 0 0 1 5 0 2 0 0... -
Page 9: Aaccessories - Schematic
Accessories - schematics = Steel chimney Liegende Ausführung: LL = liegend links LR = liegend rechts (Abbildung LL) Stehende Ausführung View „C“ (front) If you look frontally at the burner The warm, air heaters for ducting systems can be equipped or supplemented with the shown accessories. The accessories are made of galvanised sheet metal. -
Page 10: Warm Air Heater's - Intake Accessories
Warm air heater – attachment parts Suction components 100 Base frame dummy cover Alongside Measure[mm] 25 S 40 S 55 S 70 S 95 S 110 S 1005 1070 1070 Frontal 105 Air circulation grid Alongside Measure[mm] 25 S 40 S 55 S 70 S 95 S... - Page 11 Warm air heater – attachment parts Suction accessories 120 Louver Alongside (Adjustment manually or by motor) Measure[mm] 25 S 40 S 55 S 70 S 95 S 110 S 1000 1000 Profile Frontal (Adjustment manually or by motor) Profile 135 Pocket air filter G4 Measure[mm] 25 S 40 S...
- Page 12 Warm air heater – attachment parts 1. Suction accessories 150 Silencer alongside and frontal Measure[mm] 25 S 40 S 55 S 70 S 95 S 110 S To be designed separately according to calculation Profile 160 Wall socket and plug-in-socket Wall socket Measure[mm] 25 S...
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Page 13: Warm Air Heater's - Outlet Accessories
Warm air heater – attachment parts 2. Outlet accessories 200 Delivery air grid, horizontal + vertical louvers Alongside (nominal dimensions) Measures[mm] 25 S 40 S 55 S 70 S 95 S 110 S frontal (nominal dimensions) Measures[mm] 25 S 40 S 55 S 70 S 95 S... - Page 14 Warm air heater – attachment parts 2. Outlet accessories alongside Measure[mm 25 S 40 S 55 S 70 S 95 S 110 S a / c / g 1055 1055 b / d Profile 231 Outlet T-hood frontal Measure[mm 25 S 40 S 55 S 70 S...
- Page 15 Warm air heaters – attachment parts 2. Outlet accessories For plenum type 250 Measure[mm] 25 S 40 S 55 S 70 S 95 S 110 S According to indication According to indication Profile 250 Plenum Measure[mm] 25 S 40 S 55 S 70 S 95 S...
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Page 16: Fixation Accessories
Warm air heaters – attachment parts 3 Mounting parts 310 Standing frame Measure[mm] 25 S 40 S 55 S 70 S 95 S 110 S 1095 1160 1160 Profile 50 x 50 320 Wall bracket alongside By pairs Measure[mm] 25 S 40 S 55 S 70 S... -
Page 17: Warm Air Heater's Attachment Parts - Burner - Fresh Air Supply
Warm air heater – attachment parts 4. Burner – fresh air supply Measure[mm 25 S 40 S 55 S 70 S 95 S 110 S Profile 410 Aspiration elbow Measure[mm 25 S 40 S 55 S 70 S 95 S d Ø... - Page 18 Warm air heater – attachment parts 441 Roof plate Measure[mm 25 S 40 S 55 S 70 S 95 S 110 S Aspiration tube d Ø 442 Rosette Measure[mm 25 S 40 S 55 S 70 S 95 S 110 S Aspiration tube Ø...
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Page 19: Flue Gas Accessories
Warm air heater – attachment parts 5. Flue accessories With door 90 Measure[mm 25 S 40 S 55 S 70 S 95 S 110 S d Ø 90° á 520 Flue gas pipe Measure[mm 25 S 40 S 55 S 70 S 95 S 110 S... -
Page 20: Warm Air Heater's Electric Accessories
Warm air heater – electrical accessories Mounting Installation must only be made by an authorized electrical specialist! Faulty operations may damage the control unit! We are not liable for damages caused by wrong connection and/or improper use. - Before working with the unit, switch the wires to neutral. - Wires can also have line voltage when the unit is switched off! - Connection must only be made by authorized professionals! - In order to connect the unit, open it by loosening the 4 knurled screws. - Page 21 Warm air heater – electrical accessories Description of electric thermostat, one-stepped with clock timer for switching to day and night mode. Brief description The sensor measures the current temperature via a temperature sensor and controls a relay depending on a difference to set temperature.
- Page 22 Warm air heater – electrical accessories How to cancel switching times: Every programmed switching time can be cancelled separately. Put the slide switch to P and press Mode until the corresponding memory capacity is blinking. Adjust it to 23:59 o’clock with the +/- buttons and wait until the time is blinking. Press the + button shortly. Now, the three bars are appearing again.
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Page 23: Room Thermostats
Room thermostats Room thermostat - RT Ref. 006859 In plastic casing 71 x 71 x 30 mm for on-wall mounting Switching capacity Heating 10 (4)A. Temperature range 6 - 30 °C Differential gap 0,5 K Protective system IP 30 Room thermostat - RTI industrial version Ref. -
Page 24: Burner - Mounting
Electrical connection of burners Kroll warm air heaters are manufactured in a way that normal burners of each certified brand can be used. The electrical connection for the burner, which is delivered by the manufacturer of the warm air heater (230 V AC), is made by a 7-pole fast-mounting plug-in connection, which is mounted... - Page 25 Burner - mounting Heating oil connection A sufficient fuel supply has to be guaranteed. The installation of the heating oil supply must be done by authorized professionals only according to the regulations for oil-fired warm air heaters which are valid in your country. You must especially pay attention that the cross section of the pipes will be designed for the complete line resistance, the suction height and an increased viscosity in case of lower temperatures.
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Page 26: Putting The Fan Motor Into Service
Commissioning of the fan motor Checking the drive Check the fan’s direction of rotation, watch direction marker on the box. Check the initial tension of the driving belt. Check if all screws of the complete drive are really tightened. Rated current – checking the current consumption In order to avoid incorrect measurements, all provided air inlet sheets or dummy sheets must be mounted and the grills in the air duct/plenum must be opened. - Page 27 Commissioning of the fan motor The fuel/gas throughput has to be adjusted according to the heat load of the unit (see type plate of the unit). The burner has to be adjusted to optimal values according the manufacturer’s specifications, at least to the values indicated in the Federal Emission Control Law (BlmSchG of Germany).
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Page 28: Changing The Fan Belt
Changing the fan belt Dismounting the V-belt pulley release the tension of the fan belt and dismount it - turn out the inner hexagon-cap screw (see pic. 1) - turn in one screw into the threaded hole of the socket an tighten it. This releases the socket. -
Page 29: Mounting Of Intake And Outlet Accessories
Assembly of air inlet and air outlet accessories 1.) Mounting of plenum (pressure side) The attachment of pressure side accessories has to be done with self-tapping screws. A sealing tape has to be put between accessory and heating unit. Mounting the accessories: 1. -
Page 30: Spare Parts List
Spare parts list 2 5 S t o 7 0 S 1 Sealing tape 2 Heat exchanger 3 Cleaning cover 4 Turbulators 5 Combustion chamber 6 Fan 7 Cleaning cover with sealing tape 8 Control box 95 S to 110 S 1 Sealing tape 2 Heat exchanger 3 Cleaning cover... -
Page 31: Wiring Diagrams
Schaltplan / Circuit diagram / Schéma électrique 25S, 40S, 55S, 70S Remove bridge connector 5 - 6 when room thermostat is connected Raumthermostat Room thermostat Thermostat d’ambiance (Option) (Option) (Option) Lüfterthermostat Thermostat fan Thermostat ventilateur Sicherheitstemperatur- Overheat thermostat Limiteur de température... - Page 32 Schaltplan / Circuit diagram / Schéma électrique für 400 V Motoren / for 400 V Motors / pour 400V Moteurs Remove bridge connector 5 - 6 when room thermostat is connected Raumthermostat Room thermostat Thermostat d’ambiance (Option) (Option) (Optional) Lüfterthermostat Thermostat fan Thermostat ventilateur Sicherheitstemperatur-...
- Page 36 Telefon +49 (0) 7144 / 830 - 0 Telefax +49 (0) 7144 / 830 - 100 Kroll GmbH Pfarrgartenstraße 46 Kroll (UK) · Ltd. Azura Close, Unit 49 D-71737 Kirchberg/Murr Woolsbridge Ind. Estate- Dorset Telefon (0049) 07144 / 830 200...
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