Viessmann PM1 Installation And Service Instructions Manual
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Viessmann PM1 Installation And Service Instructions Manual

Pump module
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Installation and service instructions
for contractors
Pump module PM1
Function extension for wall mounting to control a circulation pump:
■
Single boiler systems: Boiler circuit pump
■
Multi boiler systems: Feed pump
Pump module PM1
5812530 GB/en 12/2017
VIESMANN
Please keep safe.

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  • Page 1 VIESMANN Installation and service instructions for contractors Pump module PM1 Function extension for wall mounting to control a circulation pump: ■ Single boiler systems: Boiler circuit pump ■ Multi boiler systems: Feed pump Pump module PM1 Please keep safe. 5812530 GB/en 12/2017...
  • Page 2 Hot surfaces can cause burns. Replace faulty components only with genuine ■ Before maintenance and service work, switch Viessmann spare parts. OFF the appliance and let it cool down. Never touch hot surfaces on the boiler, burner, ■ flue system or pipework.
  • Page 3 For replacements, use only original spare parts supplied or approved by Viessmann. Safety instructions for operating the system If you smell gas Condensate Danger...

  • Page 4: Table Of Contents

    Index Index Information Disposal of packaging ................Symbols ....................Intended use ..................Product information ................System examples .................. Installation sequence Wall mounting ..................Inserting cables and providing strain relief ..........Overview of electrical connections ............Connecting the circulation pump ............Enable contact ................

  • Page 5: Disposal Of Packaging

    Please dispose of packaging waste in line with statu- DE: Use the disposal system organised by tory regulations. Viessmann. AT: Use the ARA statutory disposal system (Altstoff Recycling Austria AG, licence number 5766). CH: Packaging waste is disposed of by the HVAC contractor.

  • Page 6: Product Information

    Product information Pump module PM1 contains the inputs, outputs, and Pump module PM1 is available as an accessory for the functions required for control of and signal acquisition following Vitotronic control units for medium sized and...

  • Page 7: Wall Mounting

    Installation sequence Wall mounting Fig. 1 Inserting cables and providing strain relief Provide strain relief for on-site cables. ■ Seal any unnecessary apertures with cable grom- ■ mets (not cut open). Fig. 2 Overview of electrical connections Please note Electrostatic charge can damage electronic assemblies.

  • Page 8: Connecting The Circulation Pump

    Temperature sensors for functions 1 to 7 KM-BUS to Vitotronic control unit according to setting in parameter "03" Fuse 4 A (slow), 250 V~ (see chapter "Setting parameters") Viessmann NTC 10 k (blue marking) Ω Connecting the circulation pump Enable contact Floating output for circulation pump enable ■...
  • Page 9 Ö 0 - 10 V N PE 0 - 10 V Fig. 6 Pump module PM1 Power supply for on-site contactor for switch- Vitotronic control unit ing the circulation pump power supply Circulation pump KM-BUS cable between pump module and...
  • Page 10 0-10 V L1 L2 L3 N PE L1 L2 N PE 0-10 V Fig. 7 Pump module PM1 Power supply for on-site contactor for switch- Vitotronic control unit ing the power supply to the circulation pump Circulation pump KM-BUS cable from pump module to Vitotronic...

  • Page 11: Connecting Circulation Pumps With Enable Contact

    Ö 0-10 V 0-10 V External ON/OFF Fig. 8 Pump module PM1 Vitotronic control unit Circulation pump Circulation pump power supply Floating switching contact for enabling the circu- lation pump Enable contact can be connected as N/C or N/O contact: See fig.
  • Page 12 0 - 10 V N PE 0 - 10 V External ON/OFF Fig. 9 Pump module PM1 Floating switching contact for enabling the circu- lation pump Vitotronic control unit Circulation pump Enable contact can be connected as N/C or N/O Contactor contact: See fig.

  • Page 13: Temperature Sensors

    L1 L2 L3 N PE L1 L2 N PE 0-10 V External ON/OFF Fig. 10 Pump module PM1 Floating switching contact for enabling the circu- Vitotronic control unit lation pump Circulation pump Enable contact can be connected as N/C or N/O Contactor contact: See fig.

  • Page 14: Fault Message Input

    Observe max. connected load of all accessories The appliance and pipework must be connected (400 W). If required, connect pump module PM1 to the equipotential bonding of the building. directly to the mains supply: See boiler or Vitotronic control unit installation and service instructions.

  • Page 15: Separate Power Supply

    Ensure phase equality with the Vitotronic control unit power supply. Separate power supply fÖ 230 V~ Fig. 13 Pump module PM1 Mains isolator (if required) Power supply via Vitotronic control unit fÖ Fig. 14 Pump module PM1 Plug...

  • Page 16: Starting The Pump Module

    The parameters that can be adjusted depend on the function selected in parameter "03". 09. Use for the required value in line with the tables below. Parameters in the "General" group 1B Pump module PM1 Display Value Explanations Without 1B:0...
  • Page 17 Commissioning and adjustment Setting parameters (cont.) Display Value Explanations Individual pump type 00:0 The circulation pump is controlled according to the following default curve: 10.0 Example of circulation pump with enable contact Wilo 00:1 Wilo Stratos circulation pumps are controlled accord- ing to the following curve: 10.0 Circulation pump without enable contact...
  • Page 18 Commissioning and adjustment Setting parameters (cont.) 03 Function selec. pump Display Value Explanations None 03:0 Function 0: No speed control The boiler circuit pump is switched on via the Vitotronic control unit when a heat demand exists. The control voltage corresponds to the control volt- age for the max.
  • Page 19 Commissioning and adjustment Setting parameters (cont.) Display Value Explanations Function 2: Target temp control 03:2 Function 2: Only in conjunction with a heating water buffer cylin- Boiler water temperature sensor or 3A/3B § Oil/gas boiler Heating water buffer cylinder Heating circuit Boiler circuit pump In function 2, the speed of the boiler circuit pump is controlled subject to the set boiler water temperature.
  • Page 20 Commissioning and adjustment Setting parameters (cont.) Display Value Explanations Function 3: Differential temp ctrl, return 03:3 Function 3: (single boiler system) In conjunction with low loss header only Boiler water temperature sensor or 3A/3B § Oil/gas boiler Temperature sensor, low loss header Heating circuit Low loss header System return temperature sensor S2...
  • Page 21 Commissioning and adjustment Setting parameters (cont.) Display Value Explanations Function 4: Differential temp ctrl, flow (sin- 03:4 Function 4: gle boiler system) In conjunction with low loss header only; preferred function for single boiler systems Boiler water temperature sensor or 3A/3B §...
  • Page 22 Commissioning and adjustment Setting parameters (cont.) Display Value Explanations Function 5: Buffer temp control 03:5 Function 5: Only in conjunction with a heating water buffer cylin- Boiler water temperature sensor or 3A/3B § Oil/gas boiler Heating water buffer cylinder Buffer temperature sensor Alternative additional buffer temperature sensor Heating circuit Boiler circuit pump...
  • Page 23 Commissioning and adjustment Setting parameters (cont.) Display Value Explanations Function 6: Buffer temp control with target 03:6 Function 6: temperature control Only in conjunction with a heating water buffer cylin- Boiler water temperature sensor or 3A/3B § Alternative additional boiler water temperature sensor S3 Oil/gas boiler Buffer temperature sensor...
  • Page 24 Commissioning and adjustment Setting parameters (cont.) Display Value Explanations Temperature sensors used for function 6: Boiler water temperature sensor at plug of the § ■ Vitotronic control unit Boiler water temperature sensor at plug 3A/3B of the burner control unit If the target temperature needs to be controlled dif- ■...
  • Page 25 Commissioning and adjustment Setting parameters (cont.) Display Value Explanations In function 7, the feed pump speed is controlled ac- cording to the reference temperature differential in parameter "10", and the temperature differential be- tween common boiler flow and return temperatures of all heat generators upstream of the low loss header.
  • Page 26 Commissioning and adjustment Setting parameters (cont.) 06 Output-controlled speed function, curve max. setting Display Value Explanations 100 % 06:100 With the burner running at the set maximum output, the circulation pump delivers the maximum flow rate..% 06:0 Flow rate at maximum burner output 06:100 07 Set differential temperature of function 2 or 6 Display...
  • Page 27 Commissioning and adjustment Setting parameters (cont.) 0A Set differential temperature function 3 or 4 Display Value Explanations 6.0 K 0A:60 Set temperature differential value for functions 3 and ... K 0A:0 Function 3: ■ Set value for temperature differential between boil- 0A:255 er return temperature (upstream of low loss header) and system return temperature (downstream of low...
  • Page 28 Commissioning and adjustment Setting parameters (cont.) 0E Controller amplif. function 5 or 6 Display Value Explanations 3.0 %/K 0E:30 Controller amplification for functions 5 and 6 The higher the value set here, the more strongly the ... %/K 0E:0 controller will react to deviations from the set differen- tial temperature specified at parameter "0D".
  • Page 29 Commissioning and adjustment Setting parameters (cont.) 20 Control voltage for pump OFF Display Value Explanations 20:0 The control voltage controls the circulation pump. The circulation pump is off at the set control voltage..% 20:0 Setting range: 0 to 100 % control voltage 20:100 Note If parameter "00:2"...
  • Page 30 Commissioning and adjustment Setting parameters (cont.) 23 Pump module flow rate min. control range Display Value Explanations 25 % 23:25 Control voltage flow rate for lower circulation pump control range limit ... % 23:0 Setting range: 0 to 100 % 23:100 Note If parameter "00:2"...
  • Page 31 Commissioning and adjustment Setting parameters (cont.) 28 Pump shutdown delay, mains voltage Display Value Explanations 120 min 28:120 The time delay for switching off the circulation pump power supply is 120 min. 28:0 No time delay for switching off the circulation pump power supply ...

  • Page 32: Adjusting An Individual Circulation Pump Curve

    Commissioning and adjustment Setting parameters (cont.) 2D Pump module kick function Display Value Explanations 15 s 2D:15 So that the circulation pump does not seize up, it is switched on automatically for 15 s after a shutdown time of 24 h. Disabled 2D:0 No automatic interval control...
  • Page 33 Commissioning and adjustment Adjusting an individual circulation pump curve (cont.) Example of required value pairs "25" "2A" "24" "29" "23" Control voltage in V "20" "21" "22" Parameter Fig. 15 Total control range Permissible control range Control voltage at of the control range Enable contact ⅓...

  • Page 34: Calculating Pairs Of Values For The Circulation Pump Control Range

    Commissioning and adjustment Adjusting an individual circulation pump curve (cont.) Parameter Display Value Explanation Pump module flow rate mid control range 55 % The flow rate approximately in the centre of the control range is 55 % of the max. flow rate.

  • Page 35: Configuring An Individual Circulation Pump Curve

    Adjusting an individual circulation pump curve (cont.) 07. For circulation pump with enable contact: 11. Confirm with Switch "Floating contact PM1" to "ON". 12. Measure the circulation pump flow rate at different 08. Determine the control range: control voltages. Note down the value pairs.

  • Page 36: Checking Pump Module Outputs (Actuator Test)

    2. "Service" Display Explanation PM1 pump The circulation pump does not run. PM1 speed 30% The circulation pump runs at minimum speed according to setting in parameter "21". Min. speed e.g. 30 % PM1 speed 65% The circulation pump runs at a speed of of the control ⅓...

  • Page 37: Brief Scan

    2. "Service" 3. Enter the password "viservice". An overview of the brief scan appears, with 12 rows and 6 fields. 4. "Diagnosis" Pump module PM1 software version Information on all scans: Vitotronic control unit installation and service instructions Fault messages...

  • Page 38: Short Circuit Sensor 3 Pump Module

    Diagnosis and fault messages Fault messages (cont.) Cause Measure Temperature sensor 2 short circuit Check temperature sensor: See chapter "Checking the temperature sensors". Replace temperature sensor if necessary. 76 Short circuit sensor 3 pump module Control with 150 °C actual boiler water temperature for function 2 (parameter "03:2") or function 6 (parameter "03:6") Cause...

  • Page 39: Lead Break Sensor 3 Pump Module

    Diagnosis and fault messages Fault messages (cont.) Cause Measure Temperature sensor 2 lead break Check temperature sensor: See chapter "Checking the temperature sensors". Replace temperature sensor if necessary. 7E Lead break sensor 3 pump module Control with 150 °C actual boiler water temperature for function 2 (parameter "03:2") or function 6 (parameter "03:6") Cause...

  • Page 40: Checking The Temperature Sensors

    Diagnosis and fault messages Checking the temperature sensors 1. Pull out corresponding plug. Viessmann NTC 10 k (blue marking) Ω 2. Check the sensor resistance. Compare with the curve. 3. If there is considerable deviation, check the instal- lation. Replace sensor if required.

  • Page 41: Overview Of Assemblies

    Parts lists Overview of assemblies The following details are required when ordering parts: ■ Serial no. (see type plate ■ Position number of the part (from this parts list) Fig. 17 Type plate Pump module assembly...

  • Page 42: Pump Module

    Parts lists Pump module 0001 0006 0002 0003 0004 0005 Fig. 18...
  • Page 43 Parts lists Pump module (cont.) Pos. Part 0001 Pump module PM1 0002 Strain relief and plug (set) 0003 Fuse 0004 Temperature sensor NTC 10 k Ω 0005 Flow temperature sensor NTC 10 k , lead length 5800 mm Ω 0006...
  • Page 44 Connection and wiring diagram Connection and wiring diagram Fig. 19 Pump module main PCB Circulation pump Power supply 230 V/50 Hz fÖ Digital input Power supply for additional accessories fÖ Fuse 4 A (slow), 250 V~ Floating output for circulation pumps K1, K2 Relay with enable contact...
  • Page 45 Specification Specification Rated voltage 230 V~ Rated frequency 50 Hz Rated current Power consumption Protection class IP rating IP 20 D to EN 60529; ensure through design/ installation Permissible ambient temperature Operation 0 to +40 °C, use in the living space or boiler room ■...

  • Page 46: Declaration Of Conformity

    Certificates Declaration of conformity Pump module PM1 We, Viessmann Werke GmbH & Co. KG, D-35107 Allendorf, declare as sole responsible body that the named product complies with the provisions of the following directives and regulations: 2014/30/EU EMC Directive 2014/35/EU Low Voltage Directive...
  • Page 47 Keyword index Keyword index Actuator test............... 36 Outputs, testing............36 Appliance fuses, checking..........40 Application..............5 Parameters – Calling up..............16 Brief scan..............37 – List................16 – Setting..............16 Parts Charge, electrostatic............ 7 – Overview..............41 Checking – Pump module............42 – Fuses..............40 PCB................7 Connection diagram...........
  • Page 48 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 E-mail: info-uk@viessmann.com...

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