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  4. TFF 200
  5. Directions For Use Manual

Velux TFF 200 Directions For Use Manual

Manual is about: solar hot water unit

Summary of TFF 200

  • Page 1

    Tff 200/300/400 0201 vas 451890 - 0207 warning to the user a. Do not remove or adjust any component part of this unvented water heater. Contact the installer. B. If this unvented water heater develops a fault, such as a flow of hot water from the discharge pipe, switch the heater off and contact the...

  • Page 2

    Figures and illustrations used. Due to the possibility of setting and printing errors, and to the need for continuous technical change, please understand that we cannot accept liability for the correctness of the data. The current version of the general terms of business applies..

  • Page 3: 1. Safety Instructions

    1 safety instructions............................................................................................................................................................ 3 2 installing the storage tank..............................................................................................

  • Page 4: 2. Installation

    4 velux section i: tank installation section i: tank installation 2. Installation the tank must be assembled and installed by a certi- fied specialist company! When transporting and opening the packaging, the instructions in the note attached to the head of the buffer must be followed. The dimension...

  • Page 5

    5 velux section i: tank installation section i: tank installation please note! Cylinder relief valve connections should not be used for any other purpose and no valves should be fitted between the expansion valve and the storage cylinder. 2.1 connection diagram cold water in accordance with bs7206 s...

  • Page 6

    2.2 tank connection points item description instruction 1 tpr valve factory fitted 2 motorised valve see paragraph 2.4 3 thermal cutout factory fitted 4 motorised valve see paragraph 2.4 5 solar pump and control see section l & ll a ww hw fh z hr fs kw ehp f see diagram in section 1, paragraph 2.8 f...

  • Page 7: 2.3 Discharge Pipework

    2.3 discharge pipework the discharge pipe (d1) from the vessel up to and including the tundish is generally supplied by the manufacturer of the hot water storage system. Where otherwise, the installation should include the dishcarge pipe(s) (d1) from the safety devise(s). In either case the tundish ...

  • Page 8

    Typical discharge pipe arrangement safety device (eg. Temperature relief value). 500 mm maximum 300 mm minimum metal discharge pipe (d1) from temperature relief valve to tundish. Tundish metal discharge pipe (d2) from tundish, with continuous fall. See building regulation g3 section 3.9d i-iv, tabel...

  • Page 9: 2.4 Motorised Valves

    Worked example the example below is for a g½ temperature relief valve with a discharge pipe (d2) having 4 no. Elbows and length of 7 m from the tundish to the point of discharge. From tabel 2.3.1 maximum resistance allowed for a strength length of 22 mm copper discharge pipe (d2) from a g½ temperatu...

  • Page 10: 3. Commissioning

    10 velux 3. Commissioning before commissioning, check whether the water supply is open and the storage tank is full. Initial filling and commissioning must be carried out by a certified specialist company! The entire system, including parts assembled in the manufacturer’s factory, must be tested to ...

  • Page 11: 6. Warranty Conditions

    11 velux 5. Electrical heating element electrical heating elements may only be connected by certified electrical installers in accordance with the corresponding switching diagram. The country- specific regulations in effect must be observed. The electrical heater (if applicable) must be descaled ann...

  • Page 12: 7.2 Spare Parts

    7.2 spare parts a full range of spare parts are available for the velux solar hot water system range. Refer to the technical data label on the unit to identify the model installed and ensure the correct part is ordered. Section i: tank installation section i: tank installation item description item ...

  • Page 13: 8. Maintainance

    13 velux section i: tank installation section i: tank installation 8. Maintainance 8.1 requirements to ensure the continued optimum performance of the velux solar hot water unit it should be regularly maintained. This is of particular importance in hard water areas or where the water supply contains...

  • Page 14: 8.6 Log Book

    14 velux section i: tank installation section i: tank installation 8.6 log book on completion of any maintenance or service of the velux solar hot water unit fill-in a record of actions taken and the date the work was undertaken. The record should be kept with the instruction for use. 8.5 refilling ...

  • Page 15: Specifications

    15 velux section i: tank installation section i: tank installation tff 200 0201 tff 300 0201 tff 400 0201 performance indicator n l bottom n l / kw 4.2 / 31 4.1 / 45 9.4 / 51 heating flow, hv r 1" 1" 1" mm 1147 1424 1355 heating return, hr r 1" 1" 1" mm 787 1064 1007 solar flow, sv r 1" 1" 1" mm 687...

  • Page 17: 1. Safety Instructions

    Section ii: solar pump station 17 velux 1. Safety instructions 1 safety instructions........................................................................................................................................................... 17 2 dimensions, components....................................

  • Page 18: 2. Dimensions, Components

    18 velux section ii: solar pump station section ii: solar pump station 2. Dimensions, components two-line return unit, insulated, dn 20, with solar control, air collector, fill fitting, and flow indicator. Figure 1: overview 14 tube connection Ø 22 connection, flat sealing g 1" 22 15 13 7 10 6 5 12 ...

  • Page 19: 3. Technical Specifications

    19 velux section ii: solar pump station section ii: solar pump station maximum operating pressure: 6 bar maximum operating temperature (return): 120°c maximum operating temperature (flow): 140°c medium: water with a maximum propylene glycol content of 50% nominal diameter: dn 20 connections: flat se...

  • Page 20: 5. Fill/drain Fitting (6)

    20 velux section ii: solar pump station section ii: solar pump station 5. Fill/drain fitting (6) use the fill and drain valves on the fill/drain fitting to fill and drain the solar system (figure 4). To drain the system, the slot in the spindle must be in a horizontal position (figure 4b). Figure 4a...

  • Page 21: 8. Connection Nozzle (10)

    21 velux section ii: solar pump station section ii: solar pump station 8. Connection nozzle (10) an immersion sleeve with a g½" male thread for attaching a temperature sensor can be connected to the flow ball valve (figure 1, pos. 1). 9. Connecting the valve coupling for membrane expansion vessels (...

  • Page 22: 12. List of Spare Parts

    22 velux section ii: solar pump station section ii: solar pump station 12. List of spare parts pos. Item item n°. Description qty 1 skbvl 130072 flow ball valve with integrated gravity brake (20 mbar), assembly dimension 135 mm 1 2 skbrlz 130071 return ball valve with integrated gravity brake (20 mb...

  • Page 23: 13. Pump Description

    23 velux section ii: solar pump station section ii: solar pump station extract from the installation and maintenance instructions of the pump ec declaration of conformity we hereby declare that this unit complies with the folllowing relevant provisions: eg machinery directive 89/392/ewg in this vers...

  • Page 24

    24 velux section ii: solar pump station section ii: solar pump station 1. General installation and service by qualified personnel only. 1.1 fields of application type st: for solar thermal systems. 1.2 connection and output data minimum input pressure at the air intake* at temperatures +50°c: 0,05 b...

  • Page 25

    25 velux section ii: solar pump station section ii: solar pump station 5. Commissioning 5.1 system filling and venting the pump is normally vented automatically after a short operational period. Short-term dry-running will not harm the pump. Direct venting of the pump, if necessary, is done accordin...

  • Page 26

    26 velux.

  • Page 27

    27 velux section iii: solar control system security devices...................................................................................................................................... 28 technichal data and function survey.......................................................................

  • Page 28: Security Devices

    28 velux section iii: solar control system section iii: solar control system please read the manual for mounting and installa- tion carefully before commissionig the controller. This way damages to the system can be avoided. Please also note that the installation must be adapted to the conditions pr...

  • Page 29: Technical Data

    29 velux section iii: solar control system section iii: solar control system universal system controller for solar- and heating systems • system monitoring display • up to 4 temperature sensors pt1000 • 2 semi-conductor relays for pump speed control • 9 basic systems selectable • heat balancing • fu...

  • Page 30: 1. Installation

    30 velux section iii: solar control system section iii: solar control system the unit must only be located internally. It is not suitable for installation in hazardous locations and should not be exposed to any electromagnetic field. The controller must additionally be equipped with an all-polar gap...

  • Page 31: 1.2 Electrical Wiring

    31 velux section iii: solar control system section iii: solar control system 1.2 electrical wiring the power supply of the controller must only be made by an external power supply switch (last step of installation!) and the line voltage must be 210 ... 250 volt (50 ... 60 hz). Flexible lines are to ...

  • Page 32: 1.3 Allocation Of Clamps

    32 velux section iii: solar control system section iii: solar control system s1 s2 s4/trf r1 s3 arr 1 standard solar system with 1 store, 1 pump and 3 sensors. The sensor s4/trf can optionally be used for heat quantity balancing. 1.3 allocation of clamps 1.3.1 allocation of clamps for system 1 s1 s3...

  • Page 33

    33 velux section iii: solar control system section iii: solar control system solar system and after-heating with 1 store, 3 sen- sors and 2 pumps (for solar heating and after-heating). The sensor s4/trf can optionally be used for heat quantity balancing. 1.3.3 allocation of clamps for system 3 r2 s1...

  • Page 34

    34 velux section iii: solar control system section iii: solar control system 2-store-solar system with valve logic with 2 stores, 3 sensors, 1 solar pump and 1 3-way-valve. The sensor s4/trf can optionally be used for heat quantity balancing. 1.3.5 allocation of clamps for system 5 r2 s4/trf s1 r1 s...

  • Page 35

    35 velux section iii: solar control system section iii: solar control system solar system with east-west collectors, 1 store, 3 sensors and 2 solar pumps. 1.3.7 allocation of clamps for system 7 r1 r2 s1 s2 s3 arr 7 solar system with after-heating by solid fuel boiler with 1 store, 4 sensors, 1 sola...

  • Page 36: 2. Operation And Function

    36 velux section iii: solar control system section iii: solar control system solar system and heating circuit reverse raising with 1 store, 4 sensors, 1 solar pump and 1 3-way-valve for heating circuit reverse raising. 1.3.9 allocation of clamps for system 9 s1 s3 s2 s4 r2 r1 arr 9 symbol specificat...

  • Page 37

    37 velux section iii: solar control system section iii: solar control system ! Total monitoring-display. Only channel indication. Only tool bar. Symbol standard flashing relay 1 activ relay 2 activ maximum store limitation active / maximum store temperature exceeded collector cooling function active...

  • Page 38

    38 velux section iii: solar control system section iii: solar control system 2.2.3 system screen the system screen (active system scheme) shows the schemes selected on the controller. It consists of several system component symbols, which are – depending on the current status of the system – either ...

  • Page 39: 2.3 Blinking Codes

    39 velux section iii: solar control system section iii: solar control system 2.3 blinking codes 2.3.1 system screen blinking codes • pumps are blinking during starting phase. • sensors are blinking if the respective sensor- indication channel is selected. • sensors are quickly blinking in case of se...

  • Page 40

    40 velux section iii: solar control system section iii: solar control system system survey: arr 1: standard solar system arr 2: solar system with heat exchange arr 3: solar system with after-heating arr 4: solar system with store charge in layers arr 5: 2-store solar system with valve logic arr 6: 2...

  • Page 41: 4.1 Channel Overview

    41 velux section iii: solar control system section iii: solar control system 4. Controller parameter and indication channels 4.1 channel overview legend: x corresponding channel is available. X* corresponding channel is available if the appropriate option is activated. Please note: s3 and s4 are onl...

  • Page 42

    42 velux section iii: solar control system section iii: solar control system ocn ocf em2 ocx2 ocn2 ocf2 prio arr 1 2 3 4 5 6 7 8 9 specification page ocx x x x x x x x x option collector cooling collector (1) 47 ocx1 x option collector cooling collector 1 47 cmx x* x* x* x* x* x* x* x* maximum tempe...

  • Page 43

    43 velux section iii: solar control system section iii: solar control system 4.1.1 indication of collector temperatures shows the current collector temperature. • col: collector temperature (1-collector-system) • col1: collector temperature 1 • col2: collector temperature 2 4.1.2 indication of store...

  • Page 44

    44 velux section iii: solar control system section iii: solar control system 4.1.6 operating hours counter the operating hours counter adds up the solar oper- ating hours of the respective relay ( h p/h p1/h p2). Full hours are shown on the display. The operating hours added up can be reset. As soon...

  • Page 45

    45 velux section iii: solar control system section iii: solar control system the heat quantity transported is measured by the indication of the volume flow and the reference sen- sor of feed flow s1 and return flow trf. It is shown in kwh-parts in the indication channel kwh and in mwh-parts in the i...

  • Page 46

    46 velux section iii: solar control system section iii: solar control system 4.1.9 maximum store temperature if the adjusted maximum temperature is exceeded, a further loading of the store is stopped so that a damaging overheating can be avoided. If the maxi- mum store temperature is exceeded, is sh...

  • Page 47

    47 velux section iii: solar control system section iii: solar control system 4.1.11 limit collector temperature collector emergency shutdown if the adjusted collector temperature limit ( em/ em1/em2) is exceeded, the solar pump (r1/r2) is deactivated in order to avoid a damaging overheat- ing of the...

  • Page 48

    48 velux section iii: solar control system section iii: solar control system 4.1.14 option antifreeze function the anti-freeze function activates the loading circuit between collector and store if the adjusted anti- freeze function is underrun in order to protect the medium against freezing up or ge...

  • Page 49

    49 velux section iii: solar control system section iii: solar control system oscillating break time / oscillating charge- time / collector rising temperature: the controller checks the stores regarding loading facilities (switch-on difference). If the priority store cannot be loaded, the lower-ranki...

  • Page 50

    50 velux section iii: solar control system section iii: solar control system should the switch-on difference between collector and store be exceeded during the runtime of the solar pump or the standstill of the system, the con- troller automatically switches over to solar charging. If the collector ...

  • Page 51

    51 velux section iii: solar control system section iii: solar control system 4.1.19 pump speed control a relative minimum pump speed is specified for pumps connected at the outputs r1 and r2 via adjustment channels nmn, n1mn and n2mn. Attention: when using consumers (e.G. Valves) which are not pump ...

  • Page 52

    52 velux section iii: solar control system section iii: solar control system 5. Tips for fault localization if a malfunction occurs, a notification is given on the display of the controller: on the display the symbol and the symbol appears. Sensor defect. An error code is shown on the relevant senso...

  • Page 53

    53 velux section iii: solar control system section iii: solar control system no yes yes pump starts up very late and stops working soon. No yes yes control / replace decalcification no yes no clean yes no no yes o.K. No air in the system ? No yes yes yes o.K. Pump is overheated, but no heat transfer...

  • Page 54

    54 velux section iii: solar control system section iii: solar control system no yes no yes no yes no yes does the pump start up in manual operation? Are the fuses of the controller o.K.? Replace the fuses. Controller seems to be defective − replace it. Is the pump defective − replace it. Is the curr...

  • Page 55

    55 velux section iii: solar control system section iii: solar control system 6. Accessories / spare parts name item no. Description sksc2 141 135 supplementary controller incl. Sen- sors, heating circuit solar controller, 2 semiconductor outputs, 4 sensor inputs skspt1000kl 141 138 temperature senso...

  • Page 56

    D ir e c t io n s f o r u s e t f f 2 0 0 /3 0 0 /4 0 0 0 2 0 1. © 2 0 0 7 v e lu x g r o u p ® v e lu x a n d t h e v e lu x l o g o a r e r e g is t e r e d t r a d e m a r k s u s e d u n d e r l ic e n c e b y t h e v e lu x g r o u p gb: velux company ltd. Woodside way glenrothes east fife ky7 ...