Table of Contents
Advertisement
Quick Links
Download this manual
See also:
Instruction Manual
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for THERMOSTAHL MULTIPLEX MCL
Summary of Contents for THERMOSTAHL MULTIPLEX MCL
- Page 1 SOLID FUEL BOILER MULTIPLEX MCL INSTALLATION AND SERVICE MANUAL VERSION: UPDATE: 11.05.2013...
-
Page 2: Table Of Contents
Contents GENERAL INFORMATION ................... 3 1.1. Proper use of the appliance ................3 1.2. Safety warnings ....................3 1.3. Data label ......................3 1.4. Document information ..................3 TECHNICAL FEATURES AND DIMENSIONS ............4 2.1. Technical features ..................... 4 2.2. Function principle .................... -
Page 3: General Information
The appliance is designed for use in pumped hot water central heating systems. Any other use is considered improper and is prohibited. THERMOSTAHL declines any responsibility for damages or injuries caused by improper use; in this case the risk is completely at the user’s responsibility. -
Page 4: Technical Features And Dimensions
TECHNICAL FEATURES AND DIMENSIONS 2. TECHNICAL FEATURES AND DIMENSIONS 2.1. Technical features MULTIPLEX boiler is a steel solid fuel boiler, with cylindrical heat exchanger consisted of fire tubes. The boiler body is made of cold rolled steel St 37.2 STAS 500/2-80~S235 JR SR EN 10025/90 according to DIN 17100. -
Page 5: Dimensions
TECHNICAL FEATURES AND DIMENSIONS 2.3. Dimensions DIMENSIONS Feeding door Type inch MCL 70 600x360 1600 1720 1240 1280 2” 1 ¼” ¾” MCL 80 600x360 1600 1720 1240 1380 2” 1 ¼” ¾” MCL 90 600x360 1100 1600 1720 1240 1480 2”... - Page 6 TECHNICAL FEATURES AND DIMENSIONS TECHNICAL DATA Fire Max. Nominal Wood chamber wood chamber Weight Boiler Output* consumption length length volume type kcal/h kg/h MCL 70 70.000 25-28 0,300 MCL 80 80.000 28-32 0,325 MCL 90 90.000 32-36 0,342 MCL 100 100.000 1080 36-42...
-
Page 7: Fuel
TECHNICAL FEATURES AND DIMENSIONS 2.4. Fuel The MULTIPLEX series is designed for use with solid fuel of biogenic or fossil nature. This means different types of natural wood, solid residues of organic nature coming from trees or agricultural plants, wood briquettes of various types. Carbon or other similar fossil fuels are allowed, but only in combination with wood and maximum 20% volume ratio at every load. - Page 8 TECHNICAL FEATURES AND DIMENSIONS It is prohibited the use of laminated wood, or other chemical treatment. It is prohibited the use of explosive, inflammable materials, plastic, domestic residues, etc. The boiler is provided with a flange for mounting a burner for use with oil or gas as an alternative fuel.
-
Page 9: Boiler Mounting
BOILER MOUNTING 3. BOILER MOUNTING 3.1. Transportation and delivery The boiler is delivered on wood pallet, well positioned with metal plates. Remove them carefully by unscrewinf the screws holding them in place. The loading and unloading of the boiler must be performed with a forklift or a crane. A special hook is provided on the upper part of the boiler for lifting. -
Page 10: Boiler Room Dimensions
BOILER MOUNTING The boiler room must have an appropriate fire extinguishing system, according to the regulations in force. In case that the building is designed with a fire alarm system, a smoke detector must be positioned on top of every boiler. The fuel storage is prohibited in the boiler room. -
Page 11: Mounting Instructions
BOILER MOUNTING 3.3. Mounting instructions 3.3.1. Fan The fan is positioned at the back side of the boiler, at the flange provided. Screw position with provided screws and mount with the washers and nuts, as shown in the Fig 3 Fig 3. - Page 12 BOILER MOUNTING All the instruments have capillary bulbs, which must be inserted in the provided boiler case. There are four bulbs that must be inserted: thermometer, fan thermostat, pump thermostat, safety thermostat. Pass the cables through the oval hole on the cover and guide them to the bulb case, as shown on Fig 5.
-
Page 13: Chimney
BOILER MOUNTING 3.4. Chimney The chimney installation must supply sufficient draught, air tightness and protection against condensation. The appropriate chimney installation is very important for the boiler’s efficient and safe function! The chimney must be positioned if possible in the interior of the building. It must be vertical, with no changes in the direction. -
Page 14: Installation
INSTALLATION 4. INSTALLATION 4.1. Hydraulic connections The boiler is intended for connection with an open expansion vessel network. The boiler can be connected also with closed expansion vessel, if it is equipped with an overheating serpentine (optional). The boiler is intended for maximum working temperature 90 C and maximum pressure 3 bar for boilers up to 500 kW, and 4 bar for bigger boilers. -
Page 15: Overheating Serpentine
INSTALLATION Additional safety equipment can be mounted at the connection pipe T6. This can be a dual safety valve (pressure and temperature) or a cooling valve. Alternatively this pipe can be used for connection with the expansion vessel. 4.3. Overheating serpentine As an optional, the boiler can be equipped with an overheating protection serpentine. -
Page 16: Filling The System
INSTALLATION 4.5. Filling the system After completing all the hydraulic connections, the circuit may be filled with water. After filling the system, open the radiators air valves to get rid of the air in the installation. Verify that the installation pressure is according to the technical feature of the boiler. The pressure must be verified through the boiler’s manometer. -
Page 17: Connection Diagrams
INSTALLATION 4.6. Connection diagrams 4.6.1. Open expansion vessel connection Legend 1-9. Separation valves 10,11. Radiator valves Radiators 13-15. Safety valves Filling valve Drainage valve Cold water valve 19-24. One-way valves Hot water boiler Open expansion vessel Central heating pump Recirculation pump Pressure reducer Filter Air relief valve... -
Page 18: Closed Expansion Vessel Connection
INSTALLATION 4.6.2. Closed expansion vessel connection Legenda 1-9. Separation valves 10,11. Radiator valves Radiators 13-15. Safety valves Filling valve Drainage valve Cold water valve 19-24. One-way valves Hot water boiler Closed expansion vessel Central heating pump Recirculation pump Pressure reducer Filter Air relief valve Water softener... -
Page 19: Electrical Connections
The main electrical supply of the boiler must be connected to an independent safety of max 16A. The boiler room lighting must be on a separate circuit. THERMOSTAHL is not responsible for accidents or malfunctions caused by wrong or bad electrical connections. -
Page 20: Wiring Diagram
ELECTRICAL CONNECTIONS 5.3. Wiring diagram Fig 12. Control panel wiring diagram Legend: General ON/OFF switch Safety thermostat Fan/Burner thermostat Pump thermostat General function lamp Fan indication lamp Pump indication lamp Room thermostat Fuse safety Fan speed regulator Grounding Unscrew the control panel back plate to have access to the connection terminals in the interior. Connect the main electrical supply to the terminals 1,2,3 as indicated. -
Page 21: Boiler Start-Up
BOILER START-UP 6. BOILER START-UP 6.1. Initial lighting checks Before you start the boiler, make the following checks: Check that all the hydraulic connections and make sure they are tight. Make sure there is no leakage or moisture on the pipes or other equipment. ... -
Page 22: Fuel Loading
BOILER START-UP 6.4. Fuel loading In order to correct add fuel to the boiler follow the next steps: Stop the fan function by turning the fan thermostat to zero. Wait 30 seconds for the fume to exit the boiler. ... -
Page 23: Service And Maintenance
SERVICE AND MAINTENANCE 7. SERVICE AND MAINTENANCE 7.1. Cleaning the boiler Solid fuel boiler require regular cleaning in order to function properly and efficient. Cleaning must be effected at least once a week. The boiler is equipped with three cleaning tools appropriate for the cleaning procedure of the boiler, as shown in Fig 14. -
Page 24: Cleaning The Chimney Box
SERVICE AND MAINTENANCE 7.2. Cleaning the chimney box To ensure efficient and safe function of the boiler, you must clean the chimney box from ash residues at least every 3 months. The ash box is equipped with a cleaning door for this purpose, as shown in Fig 17Fig 17. -
Page 25: Basic Service Procedures
SERVICE AND MAINTENANCE 7.4. Basic service procedures 7.4.1. Service after overheating If overheating occurs, the safety valves of the boiler must open. If the boiler is equipped with an overheating protection coil, cold water will enter the coil to protect the boiler. Make sure the boiler pump is working. -
Page 26: Troubleshooting
TROUBLESHOOTING 8. TROUBLESHOOTING Problem Cause Solution The lamps of the - no electrical supply to the lamp - check/replace the lamp control panel do not - the control panel is not - connect to electricity light connected to electricity - check/replace the cabels - lamp defect - electric cable defect The boiler does not... -
Page 27: Warranty
WARRANTY 9. WARRANTY 1. Warranty duration is 3 years for all boiler parts under pressure, 1 year for other electro-mechanical equipment. The warranty period starts from the date of installation, but no longer than 120 days from the day of purchase. 2. - Page 28 THERMOSTAHL ROMANIA SISTEME TERMICE S.R.L. DRUMUL OSIEI 57-59, sector 6 Bucuresti 062395, Romania www.thermostahl.ro...
Need help?
Do you have a question about the MULTIPLEX MCL and is the answer not in the manual?
Questions and answers