Warmhaus viwa 115 Technical & Service Manual

Condensing boilers
Hide thumbs Also See for viwa 115:

Advertisement

VIWA 90
VIWA 115
VIWA 125
VIWA 150
CONDENSING BOILERS
TECHNICAL & SERVICE MANUAL

Advertisement

Table of Contents
loading

Summary of Contents for Warmhaus viwa 115

  • Page 1 VIWA 90 VIWA 115 VIWA 125 VIWA 150 CONDENSING BOILERS TECHNICAL & SERVICE MANUAL...
  • Page 2 Viwa 90 Viwa 115 Viwa 125 Viwa 150 warmhaus.com.tr...
  • Page 3: Table Of Contents

    Cascade System: 1 High Temperature Zone + DHW Boiler Heating System Diagram ... 82 Cascade System: 1 Low Temperature Zone + DHW Boiler Heating System Diagram ..83 Cascade System: 3 Low Temperature Zone + DHW Boiler Heating System Diagram ... 84 Commissioning the Boiler and Control Checklist ................. 85 warmhaus.com.tr...
  • Page 4 INTRODUCTION This Service Manual was prepared by Warmhaus Service Management to provide our dear authorized services convenience and correct service. Lifetime of these appliances is 10 years, which was determined by Ministry of Customs and Trade General Directorate of Consumer Protection and Market Surveillance.
  • Page 5: Delivering The Boiler To The User

    Discharge the air in the heating system and gas line. ANNUAL MAINTENANCE: Emphasize the importance of having the annual maintenance of your appliance done by Warmhaus Authorized Service. Periodic maintenance enables boiler economic service life and to function effectively.
  • Page 6 • Connect fan-gas valve, burner cap and exhanger connection imperviously. • Control the parts of boiler by reassembling, applying the opposite of removing. • Deliver the appliance to the customer after explaining how to activate it and the terms of use. warmhaus.com.tr...
  • Page 7: Recommendations On Using The Boiler Economically

    ATTENTION FOR TERMS OF WARRANTY Your boiler is adjusted for economic usage in the factory, This warranty given by WARMHAUS doesn’t involve repairing we recommend not to change it. faults arising from using the product other than normal, also the...
  • Page 8: Reasons To Choose Viwa Boiler

    Aconit® Burner Perfect heat transferer Aconit® burner has specially designed to benefit maximum from exchanger space. Thanks to its wide modulation rate and low surface temperature it provides highest performance and lowest NOx emission. 12 Reasons to Choose Viwa Boiler warmhaus.com.tr...
  • Page 9 With an external module 4 direct heating circuit and hot water tank With external cascade control Warmhaus Viwa boilers are able or 1 low temperature zone, one panel it is possible to reach to communicate with open term...
  • Page 10: Technical Data

    TECHNICAL DATA Viwa 90 Viwa 115 Viwa 125 Viwa 150 Gas Circuit Birim Gas type Gas supply pressure mbar Gas Consumption at Maximum m³/h 9,301 11,55 12,737 15,27 Gas Consumption at Minimum m³/h 1,538 1,787 2,005 2,419 *(Natural Gas G20) Heat Load (Hu=10,56 kWh/m3)
  • Page 11: Measurements And Weight

    G1 1/2" G 1" G 1" G1 1/2" G1 1/2" G1 1/2" Warmhaus Viwa 125 / Viwa 150 1) Heater Return Line 2) Sediment-Air Separator Discharge Line 3) Condensing Water Discharge Line 4) Gas Inlet Line 5) Heater Stream Line...
  • Page 12: Heating And Domestic Hot Water Systems

    If the Viwa 90, Viwa 115, Viwa 125 and Viwa 150 boilers are used as cascade systems and our blocking products are not used in each boiler, boilers will not be started by our...
  • Page 13 • Concentric extension pipes and plug-in a + b + c + d < 19 m = (Viwa 90) type seal for elbows. To connect the 19 m = (Viwa 115) possible extension connections of the 18 m = (Viwa 125)
  • Page 14 Ø100/150 mm a + b + c + d + e + f < 19 m = (Viwa 90) Lmax= 18 m (Viwa 90) 19 m = (Viwa 115) Lmax= 17 m (Viwa 115) 18 m = (Viwa 125) Lmax= 17 m (Viwa 125)
  • Page 15: Flue Accessories, Measurements And Weight

    Maximum Flue Distances Ø 100/150 Lmax= 18 m (Viwa 90) 153.11.014.000007 Horizontal Lmax= 17 m (Viwa 115) Flue Set Lmax= 17 m (Viwa 125) Lmax= 10 m (Viwa 150) Ø 100/150 Extension Can be used with Horizontal Flue Set and Vertical 153.11.660.600042...
  • Page 16: Electrical Connections

    Control devices such as Room Thermostat, Outside Temperature - If the boiler is supplied constantly from gas and electricity Sensor, etc. must always be connected to Warmhaus boilers by sources (if main switchgear is on) an authorized service personnel. If the connections are made by - If the boiler does not come to the fault condition due to lack of unauthorized persons, the boiler will be out of warranty.
  • Page 17 EN 60730: II IP EN 60529: IP20 (if wall-hanged) Installation Instruction: Installation of the device should only be carried out by a Warmhaus Service Partner. The dual cable required for installation is supplied by the dealer/consumer. Delivery temperature setpoint Delivery temperature setpoint TRw Room temperature setpoint (default 20 °...
  • Page 18 Viwa 90 boiler 90 kW, the total volume of the installation is 1100 litres. The maximum permissible hardness for Viwa 90 can be For water treatment Warmhaus only permits the products listed obtained from 7.5 litres/kW at 11°d. below.
  • Page 19 Unfortunately, there are a few reasonable research, but does not guarantee any end result. products that have actually proved this in practice. For this reason, Warmhaus only allows the following quality products for water treatment; Manufacturer: Fernox (www.fernox.com)
  • Page 20 2.13. ELEKTRIK BAĞLANTI ŞEMASI (HDIMS 50_ANA KART) warmhaus.com.tr...
  • Page 21: Technical Data

    Author Appr.; smail B.Ta demir / R&D Mng. As this is the property of Warmhaus Isıtma ve Sogutma Sistemleri San. Tic. A. . It Release date 16.7.2018 must not be passed on to any person not authorized by Warmhaus Isıtma ve Rev.
  • Page 22: Control Panel

    Symbol lit when the boiler is in error mode together with associated alarm code and any other Alarm specific symbols. Signs + and – to be used each time you need to view or set a value by increasing or decreasing Sign (e.g. values associated with an offset) or a negative value. warmhaus.com.tr...
  • Page 23 - Identification number of step in the panel testing procedure. Symbol lit when the information shown in the secondary digits is a pressure value for the Europe version. Reset Available Symbol flashing when reset of an error or automatic lock-out conditions are available. warmhaus.com.tr...
  • Page 24: On-Off Mode

    Switch boiler OFF press the "MODE" ones again. Make sure that the " - - " is displayed on the screen to show device is OFF. If not press again the "MODE" and repeat the step above. On the display " - - " symbol shown. warmhaus.com.tr...
  • Page 25 To set Domestic Heating Water temperature ( DHW) value, Push TAP button at ones. From this moment toggle; ( + ) to increase set temperature ( -) to decrease set temperature after some seconds the vallue will be saved automatically. warmhaus.com.tr...
  • Page 26 " - - " INFO 6: Display of heating flow ( CH ) SET temperature ZONE 1. Value is available ONLY / WHEN sensor connected. IF the sensor not available OR not connected the value shown as " - - " warmhaus.com.tr...
  • Page 27 INFO 14: Display of number of OEM parameters ( Par 51-99) accessed. Counter-OEM (ie. 11 = Parameter menu Par 51 - 99 has been 11 times activated) INFO 15: Access counter parameters CASCADE OEM (ie. 4 = 4 access) INFO 17: Not used. warmhaus.com.tr...
  • Page 28 Value is available ONLY / WHEN PWM pump connected. INFO 60: Code of last recorded error. ( ie. E06 ) INFO 61: Code of penultimate recorded error. ( ie. E02 ) To exit the INFO menu push the MODE button at ones. warmhaus.com.tr...
  • Page 29 Attention: This procedure must be applied by authorised persons and valid for only condensing boiler. Attention: The parameters as indicated DO NOT CHANGE should not be adjusted / touched by any official document suppiled by Warmhaus R&D. Keep pressing the CHIMNEY SWEEP and INFO button simultaneously until SET Par01 shown on the screen.
  • Page 30 3.7. TRANSPARENT PARAMETERS MENU (TSP) Parame- Parameter Type of Value Field Viwa 90 Viwa 115 Viwa 125 Viwa 150 ter no. Parameter Default Default Default Default Par 01 Quick configuration for combustion and power INSTALLER " - - " / 1 – 53...
  • Page 31 Parame- Parameter Type of Value Field Viwa 90 Viwa 115 Viwa 125 Viwa 150 ter no. Parameter Default Default Default Default Par 25 Climatic regulation for zone 2 INSTALLER 03 – 40 Par 29 Delta temperature CH flow and return for pump INSTALLER 10 –...
  • Page 32 Parame- Parameter Type of Value Field Viwa 90 Viwa 115 Viwa 125 Viwa 150 ter no. Parameter Default Default Default Default Par 63 Set temperature for anti legionella function ( C° ) 08 C° – 95 C° Par 64 Minimum boiler temperature / absolute ( C° ) 10 …...
  • Page 33: Resetting

    3.9. RESETTING Pos No Operation Description In case there is an ERROR occur on the boiler. Press RESET button ones to remove the error code on the screen. ERROR code shown the screen with " PUSH the RESET BUTTON" symbol. warmhaus.com.tr...
  • Page 34: Low Water Pressure

    18-) IF PCB not control the spark generator ( measure the voltage between PCB to Spark generator ) IF PCB does not control to Spark generator Replace PCB board but do not forget to record the default parameter values. Adjust P1 releated to the default value of boiler power. warmhaus.com.tr...
  • Page 35 3-) Check intermittent contacts or open contacts on harness carefully on fan PWM connection, if PWM connection not connected then fan will work at %100 capacity 4-) Reset & Restart boiler warmhaus.com.tr...
  • Page 36 2-) Check the root cause of Error code to solve error code boiler in case of SMC 3-) Check Cascade Sensor at first. flashing on the probe fault (data not 4-) If fault still persists call for authorised service screen received or probe faulty) warmhaus.com.tr...
  • Page 37 Manufacturer Type-model / Technical data Release date 17.05.2018 Rev. No: Fault finding for Overheat and No display problems Warmhaus Viwa 90-115-125-150 Drw. No: WH.17.733 OVERHEAT Is the Boiler and CH System filled with water, water pressure in between Full fill the system and boiler with water and vent the system and...
  • Page 38 Type-model / Technical data Release date 28.11.2017 Rev. No: Fault Finding; Flame before Gas valve ON & Low Water Warmhaus Viwa 90-115-125-150 Drw. No: WH.17.725 FLAME ON BEFORE GAS VALVE ON Check routing and integrity of internal boiler wiring is OK. Check condition Reset the boiler, does boiler perform ignition.
  • Page 39: Flame Loss

    Designation Manufacturer Type-model / Technical data Release date 28.11.2017 Rev. No: Fault Finding; Flame Loss & Fan Fault Warmhaus Viwa 90-115-125-150 Drw. No: WH.17.726 FLAME LOSS Does the boiler ignite for a short Is the Gas Pressure available at Check gas supply...
  • Page 40 Manufacturer Type-model / Technical data Release date 17.05.2018 Rev. No: Fault finding; Flow NTC Sensor Warmhaus Viwa 90-115-125-150 Drw. No: WH.17.727 Flow NTC FAULT Check Error ALL05 ( Flow Sensor ) indicated on LCD sceen Check the NTC Connector First.
  • Page 41: Return Ntc Fault

    Designation Manufacturer Type-model / Technical data Release date 28.11.2017 Rev. No: Fault finding; Return NTC Sensor Warmhaus Viwa 90-115-125-150 Drw. No: WH.17.728 RETURN NTC FAULT Check Error ALL30 ( RETURN Sensor ) indicated on LCD Check the NTC Connector First.
  • Page 42 Designation Manufacturer Type-model / Technical data Release date 28.11.2017 Rev. No: Fault finding; DHW NTC Sensor Warmhaus Viwa 90-115-125-150 Drw. No: WH.17.729 Domestic Hot Water NTC FAULT Check Error ALL 04 indicated on LCD sceen Check the NTC Connector First.
  • Page 43 Designation Manufacturer Type-model / Technical data Release date 17.05.2018 Rev. No: Fault finding; FLUE GAS NTC Sensor Warmhaus Viwa 90-115-125-150 Drw. No: WH.17.730 FLUE GAS NTC FAULT Check Error ALL 14 indicated on LCD sceen Check the NTC Connector First.
  • Page 44 4.11. OUTDOOR SENSOR FAULT Designation Manufacturer Type-model / Technical data Release date 28.11.2017 Rev. No: Fault Finding; Outside Sensor Warmhaus Viwa 90-115-125-150 Drw. No: WH.17.731 OUTDOOR SENSOR FAULT Is the wiring securely connected at both the boiler and Outside Sensor? Outside Sensor Replace the OUTDOOR SENSOR with new&orginal spare...
  • Page 45: Warmhaus.com.tr

    Manufacturer Type-model / Technical data Release date 28.11.2017 Rev. No: Fault Finding; No CH Operations but DHW works Warmhaus Viwa 90-115-125-150 Drw. No: WH.17.733 NO CH OPERATION / DHW WORKS Is the mode in the Winter position? Select the Winter position...
  • Page 46 Measurement Points Flue Connection 100/150 Frame Ateşleme Elektrodu Automatic Air Relief Cock Exchanger Body Protection Sensor CH Flow Sensor Condensation Exchanger Pressure Sensor Return Sensor Condensation Tank Flue Sensor CH Flow Connection Gas Connection Strainer discharge point Inlet Connection warmhaus.com.tr...
  • Page 47: Removing The Boiler

    1. ATTENTION Flexible brackets on the both sides shouldn’t be forced during removing and mounting the board box. 2. Snap clips around the rear cover of motherboard must be removed and affixed carefully. 3. While working on electronic board, it needs to be protected from cable residues and external factors (moisture-water etc.). warmhaus.com.tr...
  • Page 48 10. Automatic Air Vent (CH Outlet) 11. CH Return NTC Sensor 12. HEX NTC Safety Limit Sensor 13. Water Pressure sensor 14. Condensation Drain Trap (Siphon) 15. 6 Bar Safety Valve 16. Sediment Air Separator Cleaning Plug Figure 5.4 Diagram of Viwa Boiler Function warmhaus.com.tr...
  • Page 49 Figure 5.9 Check if there is any damage signs in the impermeability gaskets of burner cover. Change when necessary Figure 5.5 Removing and cleaning of the burner warmhaus.com.tr...
  • Page 50: Combustion Performance Control

    2. Press the Hi button of the boiler once and wait for the fan speed to increase to maximum rate. Oxygen(O : 4,81% adjustable Carbon monoxide (CO) : must be 9,10% Figure 5.7 Maximum gas setting of Gas Valve warmhaus.com.tr...
  • Page 51: Removal And Maintenance Of Burner

    5. Disconnect the electricity in the gas valve of the fan. 6. Remove the two electrical connection from fan. 7. In order to demount ignition group completely, screw off the four (4) cap nuts stabilizing the cover of Burner. warmhaus.com.tr...
  • Page 52 11. Control the position and condition of contact and ionized electrodes, change if necessary. (Distance between the electrode tips must be 4mm) 12. Mount in the opposite order of removal when starting the installation. 13. A flue gas analysis must be carried out when completed. See. Chapter - Commissioning warmhaus.com.tr...
  • Page 53: Water Pressure Sensor

    5. A flue gas analysis must be carried out when completed. See. Chapter - 5.6 5.9. WATER PRESSURE SENSOR 1. Close the electric and gas resource (inlet) 2. Open the control panel. 3. Close the flow and return valves and empty the boiler by using the given discharge openings. warmhaus.com.tr...
  • Page 54 6. Disconnect the electrical socket connection cables on the water pressure sensor. 7. Then, carefully disconnect water with suitable wrench. Make sure that water inlet passage is clean. 8. Reassemble them in the opposite order. 5.10. PCB (PRINTED CIRCUIT BOARD-HDIMS-50) 1. Close the electric and gas resource (inlet). warmhaus.com.tr...
  • Page 55: Gas Valve

    10. PAR Y must be adjusted according to boiler structure. See. Chapter TSP Parameters 11. A flue gas analysis must be carried out when completed. See. Chapter - Commissioning 5.11. GAS VALVE 1. Close the electric and gas resource (inlet). warmhaus.com.tr...
  • Page 56 2. Open the control panel. 3. Screw off the electrical socket going to the gas valve. 4. Demount the electrical socket and connection bushing. warmhaus.com.tr...
  • Page 57: Flow And Return Ntc Sensors

    9. Change the gaskets as required. 10. Reassemble with the opposite order. 11. When completed, gas valve will need adjustment (flue gas analysis). See the Chapter - .Gas Valve calibration. 5.12. FLOW AND RETURN NTC SENSORS: 1. Close the electric and gas inlets. warmhaus.com.tr...
  • Page 58 3. Close the flow and return valves and empty the boiler by using the provided discharge openings. 4. Protect the electrical equipment from potential system water spills. 5. Disconnect the electricity from sensor. 6. Demount the sensor. 7. Reassemble them in the opposite order. warmhaus.com.tr...
  • Page 59: Safety Limit Thermostat

    2. Open the control panel. 3. Disconnect the electricity. 4. Remove the fixing screw of the thermostat 5. Thermal conductivity paste to the safety limit thermostat during change or maintenance. Example: Use prolink. 6. Reassemble them in the opposite order. warmhaus.com.tr...
  • Page 60: Flue Gas (Exhaust Gas) Sensor

    3. Close the flow and return valves and empty the boiler by using the provided discharge openings. 4. Protect the electrical equipment from potential system water spills. 5. Remove the Safety pressure valve (if any) where possible to improve the access. 6. Demount exhaust (flue) gas sensor. 7. Reassemble them in the opposite order. warmhaus.com.tr...
  • Page 61: Ignition-Ionized Transformer

    5.15. IGNITION-IONIZED TRANSFORMER 1. Close the electric and gas inlets. 5.16. IGNITION ELECTRODE 1. Close the electric and gas inlets. 2. Separate the socket connection cables of ignition electrode. 3. Screw off the fixing screws of ignition electrode. warmhaus.com.tr...
  • Page 62 6. Reassemble them in the opposite order. 5.17. SAFETY VALVE (6 BAR) 1. Close the electric and gas inlets. 2. Open the control panel. Close the flow and return valves and discharge the water in the boiler by using the provided discharge openings. warmhaus.com.tr...
  • Page 63 3. Protect the electrical equipment from potential system water spills. 4. Separate the discharge pipe. 5. Remove the safety discharge valve. 6. If impermeability of the safety valve can’t be maintained, mount a new safety valve. 7. Change with the opposite order. warmhaus.com.tr...
  • Page 64: What Is Cascade System

    EXPENSIVE THAN OTHER SYSTEMS? all boilers. For example; it is possible to create 2.250 kW heating system by using Warmhaus VIWA 150 kW boilers and controller Materials used in condensing boilers are different than the unit (Siemens) with 15 boilers. All the boilers connected in series materials used in other boilers and there is cost difference due to their high technological features.
  • Page 65 B– B– B– ––––RS485 A–––– ––––RS485 B–––– ––––RS485 A–––– ––––RS485 B–––– ––––RS485 A–––– ––––RS485 B–––– MASTER SLAVE 1 SLAVE 3 SLAVE n CN10 CN10 CN10 CN10 HDIMS50 HDIMS50 HDIMS50 HDIMS50 Figure 6.3 UI 30 Connection socket and board groups warmhaus.com.tr...
  • Page 66 LT PROBE Z1 R.U.2 R.U.1 Figure 6.5 Boiler and MLC30 Electricity Connection Diagram for Cascade System and System with 1 High Temperature (Radiator) and 1 Low Temperatu- re (Underfloor Heating) Zones with Viwa 90, 115, 125 and 150 Boilers warmhaus.com.tr...
  • Page 67 PROBE THER. PROBE Z1 LT Z1 LT Z2 LT Z2 LT MASTER MASTER 3 WAY 3 WAY VALVE VALVE Z1 LT Z2 LT Figure 6.7 Control of One High Temperature and Two Low Temperature Zones with two MLC 30. warmhaus.com.tr...
  • Page 68 6.9. CONNECTION OF DIRECT HEATING+ ONE 3-WAY BOILER CIRCUITS WITH USING MLC-30 + MLC -30 SAF. THER. PROBE Z1 LT Z1 LT MASTER MASTER 3 WAY VALVE Z1 LT Figure 6.9 Control of High Temperature and Low Temperature Zones with two MLC 30 warmhaus.com.tr...
  • Page 69 Attention: This procedure must be applied by authorised persons and valid for only condensing boiler. Attention: The parameters as indicated DO NOT CHANGE should not be adjusted / touched by any official document suppiled by Warmhaus R&D. Keep pressing the CHIMNEY SWEEP and INFO button simultaneously until SET Par01 shown on the screen.
  • Page 70: Control Accessories For Cascade System

    • High Level solutions can be applied to multi-zone systems instant settings. and wide configuration opportunities guarantees maximum • While basic functions are accessed instantly to allow basic comfort at each level of installation. and intuitive usage, there are also special menus to adjust developed settings. warmhaus.com.tr...
  • Page 71: Control Accessories For Cascade System (Continuation)

    Unit controlling the Low Temperature/Underfloor Heating Zone MLC 30-Multi Zone 153.11.660.600047 Viwa 50-150 (mixed valve circuit) of Viwa 90, Viwa 115, Viwa 125 and Viwa Module 150 boilers. This set is for the cascade and zone management system which RVS-AVS Cascade Panel 151.11.05.006...
  • Page 72 CHAPTER-7 HEATING SYSTEM INSTALLATION SCHEMES FOR VIWA BOILERS 7.1. INSTALLATION DIAGRAM WITH SINGLE BOILER 7.1.1. SINGLE BOILER (1 HIGH TEMPERATURE REGION) + HOT WATER STROGE TANK SYSTEM DIAGRAM + WITH 3-WAY VALVE WAY VALVE warmhaus.com.tr...
  • Page 73 7.1.2. SINGLE BOILER (1 HIGH TEMPERATURE REGION) + HOT WATER STORAGE TANK SYSTEM DIAGRAM warmhaus.com.tr...
  • Page 74 7.1.3. SINGLE BOILER (1 HIGH + 1 LOW TEMPERATURE ZONE) + HOT WATER STROGE TANK SYSTEM DIAGRAM / OPTIONAL MLC 30 warmhaus.com.tr...
  • Page 75 7.2. INSTALLATION DIAGRAM WITH CASCADE SYSTEM 7.2.1. 1 HIGH TEMPERATURE ZONE + HOT WATER STROGE TANK CASCADE SYSTEM DIAGRAM warmhaus.com.tr...
  • Page 76 7.2.2. 1 HIGH + 1 LOW TEMPERATURE ZONE + HOT WATER STROGE TANK CASCADE SYSTEM DIAGRAM warmhaus.com.tr...
  • Page 77 7.2.3. VIWA 90, 115, 125 AND 150 BOILERS AND CASCADE SYSTEM AND 3 OR 4 HIGH TEMPERATURE (RADIATOR) SYSTEM BOILERS AND MLC 30 ELECTRICAL CONNECTION DIAGRAM warmhaus.com.tr...
  • Page 78 7.2.4. CASCADE SYSTEM (3 HIGH TEMPERATURE REGION) + HOT WATER STROGE TANK SYSTEM SCHEME / OPTIONAL MLC 30 (This system can support up to 4 independent high temperature zones) warmhaus.com.tr...
  • Page 79 7.2.5. 1 VIWA 90, 115, 125 AND 150 BOILERS AND CASCADE SYSTEM AND 1 HIGH TEMPERATURE (RADIATOR) AND 1 LOW TEMPERATURE (LOCAL HEATING) ZONE BOILER AND MLC 30 ELECTRICAL CONNECTION DIAGRAM warmhaus.com.tr...
  • Page 80 7.3. CASCADE SYSTEM WITH RVS PANEL: 3 HIGH TEMPERATURE ZONE + HOT WATER STROGE TANK + SOLAR PANEL + POOL HEATING SYSTEM DIAGRAM warmhaus.com.tr...
  • Page 81 7.3.1. CASCADE SYSTEM WITH RVS PANEL: 1 HIGH TEMPERATURE ZONE + HOT WATER STROGE TANK SYSTEM DIAGRAM warmhaus.com.tr...
  • Page 82 7.3.2. CASCADE SYSTEM WITH RVS PANEL: 1 LOW TEMPERATURE ZONE + HOT WATER STORAGE TANK SYSTEM DIAGRAM warmhaus.com.tr...
  • Page 83 7.3.3. CASCADE SYSTEM WITH RVS PANEL: 3 LOW TEMPERATURE ZONE + HOT WATER STORAGE TANK SYSTEM DIAGRAM warmhaus.com.tr...
  • Page 84 Nilüfer, Bursa, Türkiye MK42 0LF, İngiltere T : 0224 295 94 00 T : +44 207 164 6233 F : 0224 411 23 77 F : +44 207 000 1336 Warmhaus Müşteri Memnuniyet Merkezi: 0850 225 15 15 | warmhaus.com...

This manual is also suitable for:

Viwa 90Viwa 125Viwa 150

Table of Contents