Viessmann VITOTRANS 353 Installation And Service Instructions Manual
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Viessmann VITOTRANS 353 Installation And Service Instructions Manual

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VIESMANN
Installation and service instructions
for contractors
Vitotrans 353
Control unit
For applicability, see the last page
VITOTRANS 353
Please keep safe.
5517 095 GB
2/2015

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Summary of Contents for Viessmann VITOTRANS 353

  • Page 1 VIESMANN Installation and service instructions for contractors Vitotrans 353 Control unit For applicability, see the last page VITOTRANS 353 Please keep safe. 5517 095 GB 2/2015...
  • Page 2 These instructions are exclusively intended for author- For replacements, use only original spare parts ised contractors. supplied or approved by Viessmann. Work on electrical equipment must only be carried ■ out by a qualified electrician. ■...
  • Page 3 Index Index Information Symbols ....................Intended use ..................Installation sequence Installing the cascade ................Installing the return distribution set 3-way diverter valve ....... Changing the rotational direction ............■ Opening the wiring chamber ..............Overview of electrical connections ............Connecting the pumps ................Temperature sensors ................
  • Page 4 Index Index (cont.) Carrying out an actuator test (testing actuators) ........27 Balancing sensors ................. 28 Central fault message ("Fault relay") ........... 28 Calling up status messages ..............29 Scanning temperatures and operating conditions ......... 29 Retrieving messages ................31 Troubleshooting Fault messages ..................

  • Page 5: Intended Use

    Information Symbols Symbol Meaning Reference to other document containing further information Step in a diagram: The numbers correspond to the order in which the steps are carried out. Warning of material losses and environ- mental pollution Live electrical area Pay particular attention. Component must audibly click into place.
  • Page 6 Installation sequence Installing the cascade 1. Connect the pipework. 2. Install the cascade 2-way valve. Cascade 2-way valve installation instructions Installing the return distribution set 3-way diverter valve Types PZS and PZM: ■ The 3-way diverter valve is installed and connected at the factory.

  • Page 7: Overview Of Electrical Connections

    Installation sequence Overview of electrical connections Control unit wiring chamber Fuse 4 A (slow) Terminals, neutral conductors PE terminals 230 V connections R1 to R3 Semi-conductor relay (R1 to R3 suitable for speed control) Potential-free relay LV terminals VBus VBus to connect the control units in a cascade PWM1 to PWM4 PWM signals for pumps at R1 to R3 S1 to S8...

  • Page 8: Temperature Sensors

    GNYE Fig.3 Control unit wiring chamber Secondary pump (DHW circulation pump) Temperature sensors The temperature sensors in the Vitotrans 353 are Sensors to be connected, cascade: already connected in the delivered condition. ■ S5: Additional cylinder temperature sensor for tem-...
  • Page 9 Installation sequence Temperature sensors (cont.) Temp. sensor Flow rotor PWM1 PWM1 PWM2 PWM3 PWM4 0-10V 0-10V 0-10V 0-10V 0-10V +VBus- VFS/US Fig.4 Control unit wiring chamber Connecting the return distribution set 3-way diverter valve Types PZS and PZM In the delivered condition, the 3-way diverter valve is Danger installed and connected.
  • Page 10 Installation sequence Connecting the return distribution set 3-way… (cont.) Fig.5 Control unit wiring chamber Plug, 3-way diverter valve Control unit plug PCB, 3-way diverter valve Types PBS, PBM and PBL The 3-core connecting cable (1.5 m long) is already Danger prewired in the 3-way diverter valve.
  • Page 11 Installation sequence Connecting the return distribution set 3-way… (cont.) Fig.6 Control unit wiring chamber PCB, 3-way diverter valve Connecting the cascade 2-way valve Danger Incorrect core allocation can result in serious injury and damage to the appliance. Take care not to interchange cores "R1" and "N". Colour coding to IEC 60 757: Brown: R1 Blue: N...

  • Page 12: Power Supply

    Installation sequence Connecting the VBus Only for cascades +VBus- +VBus- +VBus- +VBus- Fig.8 Cascade master control unit Cascade slave control unit VBus cable Make the connection between the individual control units in the cascade: Connect the VBus cable (accessories) to the VBus connection of the control units as shown in Fig.
  • Page 13 Mains isolator (on site) Power supply 1. Check whether the system has been flushed, filled and vented. Vitotrans 353 installation and service instruc- tions 2. Check whether all electrical connections have been correctly made. 3. Connect the power cable in the control unit as shown in the diagram.
  • Page 14 Commissioning Switching the power on Plug a standard plug into a permanently installed standard socket. During commissioning or after a reset, the initialisation phase is followed by the commissioning sequence. Commissioning sequence, individual control unit ■ During the commissioning sequence, you can jump back to a previous commissioning step at any time with ■...

  • Page 15: Switching The Power On

    Commissioning Switching the power on (cont.) Display Explanation See page "Time" At the master control unit: Set the time. "Date" At the master control unit: Set the date. "T DHW set" At the master control unit: Select the set DHW temperature. "DHW circ."...

  • Page 16: Display Backlighting

    Commissioning Navigating through the menu Controls Symbols on the display Symbol Description Main menu If the symbol is shown in front of a menu Status point, a submenu can be opened with OK. If the submenu is already open, a DHW circ.

  • Page 17: Navigating Through The Menu

    Commissioning Navigating through the menu (cont.) at the end of the time phase. until the end of the time phase. 4. OK to confirm. at the end of the time phase. Deleting a time phase: 4. OK to confirm. to mark the start of the time phase that is to be deleted.

  • Page 18: Setting The Display

    Commissioning Setting the time and date (cont.) 6. OK to confirm. for setting hours:minutes. for "Time". 10. OK to confirm. 8. OK to confirm. Setting the display The duration of display backlighting can be adjusted. for "T Display standby". Press the following keys: 4.
  • Page 19 Commissioning Setting DHW (cont.) Display Description Factory setting Setting range "Comfort" This function preheats the plate heat ex- On (enabled) ■ changer to ensure that DHW is available Off (disabled) ■ quickly (see page 19). Sensor used: S1 Note Using the comfort function increases the risk of scale forming on the plate heat ex- changer.
  • Page 20 Commissioning Setting DHW (cont.) Starting the comfort function automatically Enable the function via "Comfort ON". The comfort function will then always be enabled. Then set the "Timer" function. The comfort function is only enabled in the set time phases. Settings for the comfort function The comfort function switches on via Set the primary pump speed while the comfort function "T DHW set"...
  • Page 21 Commissioning Setting DHW circulation (cont.) Display Description Factory setting Setting range Manual balancing: "DHWcirc.spd" Setting the pump speed 100 % 20 to 100 % ■ " TDHWcirc.pipe" Displays the temperature drop between the Δ — — ■ DHW flow sensor and "DHWcirc.sen" "DHWcirc.fl.rt"...
  • Page 22 Commissioning Setting DHW circulation (cont.) Display Description Characteristics with time program Within the time Outside the time phase phase "Demand" If a draw-off pulse (min. 2 s) is registered at Demand No DHW circulation the flow sensor, the secondary pump is started and remains on until "DHWcirc.runt."...
  • Page 23 Commissioning Setting return stratification (cont.) Display Description Factory setting Setting range " T ON" Only for "Type" "Differential": 10.0 K 0.5 to 20.0 K Δ Start temperature differential for return stratification "Differen- tial" " T OFF" Only for "Type" "Differential": 6.0 K 0.5 to 20.0 K Δ...
  • Page 24 Commissioning Setting pasteurisation (cont.) Possible settings Display Description Factory setting Setting range "Pasteurisatn" Enables the pasteurisation function "No" (disabled) "No" (disabled) ■ "Yes" (enabled) ■ "Man. start" To start the function manually, see "Start" — ■ page 24 "Cancel" ■ "T pasteu.
  • Page 25 Commissioning Setting pasteurisation (cont.) Terminating pasteurisation manually Press the following keys: for "Pasteurisatn". for "DHW circ.". 4. OK to confirm. 2. OK to confirm. 5. OK to confirm "Man. start Cancel". Starting pasteurisation automatically Setting days for pasteurisation 4. OK to confirm. for "Pasteu.day".
  • Page 26 Service settings and scans Settings at the cascade control unit Press the following keys: 2. OK to confirm. for "Cascade". for the various menu points. "Cascade": Description "Cont.type" Already set during commissioning. Depending on the function of the control unit, the following settings must be made or changed accordingly: Master control unit: "Cascade master"...
  • Page 27 Service settings and scans SD card (cont.) 1. Insert SD card. 2. Main menu "SD card" ■ "Logging int." Note Delivered condition: 1 min. Data writing begins as soon as the SD card is inser- ■ "Log. type" (see following table). ted into the control unit.
  • Page 28 Service settings and scans Carrying out an actuator test (testing… (cont.) Display Description Factory setting Setting range "All relays..." Switch all relays. "Auto" "Auto" ■ "OFF" ■ "Contr." "HE1 (PWM1)" Switch primary pump. "Auto" "Auto" ■ "OFF" ■ "ON" ■ "HE2 (PWM2)"...

  • Page 29: Scanning Temperatures And Operating Conditions

    Service settings and scans Calling up status messages Status messages can be called up for the following Press the following keys: areas, subject to the system equipment level: ■ Actual/balance values 1. OK to confirm for "Status" ■ Cascade ■ to call up the required value.
  • Page 30 Service settings and scans Scanning temperatures and operating conditions (cont.) "Actual/balance values" Explanation "Cascade" The menu is only displayed with cascade control units. The menu contains various data regarding the utilisation levels of the cascade. "DHW" T FL Flow temperature from the buffer cylinder. Pressing OK displays "Minimum"...

  • Page 31: Retrieving Messages

    Service settings and scans Scanning temperatures and operating conditions (cont.) "Actual/balance values" Explanation "Sensors/Relays" Sensors ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Relay ■ ■ ■ R_pot.free ■ PWM1 ■ PWM2 ■ Miscellaneous Operating duration in days Operation Retrieving messages Press the following keys:...

  • Page 32: Troubleshooting

    Troubleshooting Fault messages If the system develops faults, the display backlighting 6. OK to acknowledge. flashes and "Fault" will be displayed. for calling up further faults (see the following Checking and acknowledging faults table). Press the following keys: Note If an acknowledged fault is not removed, the fault mes- "Main menu"...
  • Page 33 Troubleshooting Fault messages (cont.) Message Cause Affected functions Remedy "!Timeout master" VBus failure Cascade function Check VBus and replace if Master is not sending a required. request. "!T FL too low" Cylinder flow temperature Check buffer cylinder tem- too low to reach set DHW perature and raise if re- temperature.
  • Page 34 Troubleshooting Fault messages (cont.) Faults without on-screen display Temperature on the DHW side too low Cause Remedy Set DHW temperature value is set too low at the control Increase the set DHW temperature value "T DHW set" unit. at the control unit; see page 18. Pressure drop on heating water side too high Check the pipework on the heating water side and modify if required.
  • Page 35 Pump and pipework noise Cause Remedy Air in the system Vent the system; see Vitotrans 353 installation and service instructions. The display appears dark Check all relays successively and set "Manual mode" to "ON" (see page 27) until the faulty actuator has Check the operating voltage (ON/OFF switch, power been identified.

  • Page 36: Checking Sensors

    Troubleshooting Restoring the factory settings (reset) All control unit settings, including the default settings, for "Factory setting". are reset. The control unit subsequently has to be readjusted to the system. 4. OK to acknowledge. Press the following keys: Answer the question "Delete?" with "Yes". for "Default settings".

  • Page 37: Enabling Emergency Mode

    3. OK to confirm. 9. 2 x OK to confirm. 4. OK to confirm for " Emerg. mode act.". Changing the rotational direction of the 3-way diverter valve Installation position with rotational direction in its factory setting Vitotrans 353 Fig.15...
  • Page 38 Troubleshooting Changing the rotational direction of the 3-way… (cont.) Installation position with required change of rotational direction Vitotrans 353 Fig.16 1. Ascertain the installation position of the 3-way 2. To change the rotational direction, turn the connec- diverter valve as shown in Fig. 15 and 16.
  • Page 39 Troubleshooting Replacing the MCB/fuse 1. Open the control unit wiring chamber. 2. A spare fuse is included in the fuse holder. Replace the fuse. Fig.18 Control unit wiring chamber Fuse: 4 A...
  • Page 40 System example System example, individual appliance Designations in the system example -S1- -PWM1- -S1- -S4- -S2- -VFS/US- -S6- -R2- -PWM2- -PWM2- Fig.19...

  • Page 41: System Example

    -R2- -PWM2- Fig. 20 Type PBS Vitotrans 353 Flow temperature sensor, heating water side Control unit in the Vitotrans 353 ("T FL") Heating water buffer cylinder DHW temperature sensor ("TDHW") Cold water Temperature sensor, cold water or DHW circu- lation return ("T CW"/"TDHWcircRT")

  • Page 42: Designations In The System Example

    System example System example, cascade Designations in the system example -1/PWM1- -1/PWM1- -1/S1- -1/S4- -1/S2- -1/S5- -1/VFS/US- -1/R1- -1/R1- Fig.21...
  • Page 43 System example, cascade (cont.) Installation scheme Note Master control unit in the Vitotrans 353 This scheme is a general example without shut-off Slave control unit in the Vitotrans 353 valves or safety equipment. This does not replace the Not shown: Slave control unit in the need for on-site engineering.
  • Page 44 Specification Specification ∼ Rated voltage 230 V Rated frequency 50 Hz Rated current Power consumption (< 1 W in standby mode) Safety category IP rating IP 20 to EN 60529, ensure through design/installation. Function type Type 1 B to EN 60730-1 Permiss.
  • Page 45 Overview of menu structure Menu structure, individual control unit Status DHW circ. Act. / balance val. Type DHWcirc.sen DHW circ. Man. start Start Pasteurisatn T pasteu. set RT stratif. Pasteu. dur. Fault relay Pasteu.day Messages Pasteu. time Service DHWcirc.fl.rt Type Emerg.mode T ON T DHW set...
  • Page 46 Overview of menu structure Menu structure, cascade master control unit Status DHW circ. Act. / balance val. Type Cascade DHWcirc.sen Man. start Start DHW circ. T pasteu. set Pasteurisatn Pasteu. dur. RT stratif. Pasteu.day Fault relay Pasteu. time Messages Service DHWcirc.fl.rt Type Cascade...
  • Page 47 Overview of menu structure Menu structure, cascade slave control unit Status Act. / balance val. Cascade Messages Service Cascade Cont.type Balance cascade No of slaves Emerg.mode Blocking prot. Default settings T display standby Factory setting SD card Manual mode Operator code Inputs/outputs...
  • Page 48 Keyword index Keyword index DHW setting............... 18 2-way valve DHW temperature selection........24 – Connecting.............. 11 Display backlighting........... 16 Display setting............18 Draw-off rate...............34 3-way diverter valve – Changing rotational direction........37 – Connecting..............9 Electrical connection............ 7 – Installing..............6 Emergency mode enable...........
  • Page 49 Keyword index Keyword index (cont.) Sensor faults.............. 32 Pasteurisation............23 Sensors – Automatic start............25 – Balancing..............28 – Manual start............24 – Checking..............36 – Manual termination..........25 – Connecting..............8 – Procedure..............23 Set DHW temperature..........24 – Set DHW temperature..........24 Slave................
  • Page 52 Applicability Serial No.: 7537367 7537368 7538379 7538380 7538381 Viessmann Werke GmbH&Co KG Viessmann Limited D-35107 Allendorf Hortonwood 30, Telford Telephone: +49 6452 70-0 Shropshire, TF1 7YP, GB Fax: +49 6452 70-2780 Telephone: +44 1952 675000 www.viessmann.com Fax: +44 1952 675040...

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