Heat pump with electric drive, 1 and 2-stage. brine/water heat pump: 5.7 to 34.4 kw. with conversion kit to water/water heat pump: 7.5 to 45.2 kw (132 pages)
Summary of Contents for Viessmann Vitocal 300-G Pro
Page 1
Viesmann Installation and service instructions for contractors Vitocal 300-G Pro Type BW 301.C090 to 302.C230, 82.8 to 296.0 kW Heat pump, single and two-stage For applicability, see the last page VITOCAL 300-G PRO Please keep safe. 5787 232 GB 09/2016...
Page 2
■ installer or a qualified person authorised by the For replacement, use only spare parts supplied installer. or approved by Viessmann. Regulations to be observed National installation regulations ■ Statutory regulations for the prevention of accidents ■...
2. Information Disposal of packaging ................Symbols ....................Intended use ..................Product information ................Vitocal 300-G Pro ................■ 3. Preparing for installation General information on electrical connection ......... 10 Transport and siting requirements ............10 Unloading and handling ..............10 ■...
Page 4
Index Index (cont.) 5. Commissioning, inspec- Steps - commissioning, inspection and maintenance ......51 tion, maintenance 6. Troubleshooting Diagnosis ....................63 Increased noise emissions ..............63 ■ 7. Repairs Removing the front panel and top panel ..........64 Overview of electrical components ............64 Overview of internal components ............
Page 5
Safety and liability Heat pump application limits Intended use Generation of cooling and/or heating ■ For use in industry, commerce, domestic households ■ System limit See P&I diagram, connection and wiring diagram Service life Heat pump 15 to 25 years Wearing parts (filter dryer, refrigerant oil, com- 4 to 5 years, subject to hours run and operating point pressor)
Page 6
Safety and liability Occupational safety (cont.) Danger Danger Contact with live components can lead to seri- The absence of component earthing can result ous injury from electric current. Some compo- in serious injury from electrical current and in nents on PCBs remain 'live' even after the component damage in the event of an electrical power supply has been switched off.
Page 7
Safety and liability Occupational safety (cont.) Work on the casing Danger Breaking through the knockouts on the back panel leaves behind sharp edges from the metal retaining tabs that can lead to life threatening injuries. ■ Finish and seal the edges appropriately before installation.
Page 8
Dispose of component at a suitable collec- tion point. Do not dispose of component in domestic waste. Intended use The Vitocal 300-G Pro heat pumps, type BW 301.C090 to 302.C230 can be used for the following purposes: ■ Central heating and cooling via a heating system ■...
Page 9
Incorrect use and/or operation of the appliance (e.g. Note the appliance being opened by the system user) is pro- The Vitocal 300-G Pro must be operated exclusively hibited and will result in an exclusion of liability. Incor- by authorised and trained personnel.
Observe information from page 45. Transport and siting requirements The Vitocal 300-G Pro is delivered as a standard Accessories are delivered separately. ■ ■ unit. Side panels are packed separately for fitting on No charging with oil or refrigerant required.
Page 11
Preparing for installation Transport and siting requirements (cont.) Handling by crane Fig. 1 Lifting shackle attachment points Belt strap suitable for the weight (see page 12) Edge protection (e.g. 2 or 3 layers of corrugated cardboard) Cross beam to relieve the load on the frame Note Lifting with belt straps is only permitted without fitted side, front or back panels.
Preparing for installation Transport and siting requirements (cont.) Installation room requirements Please note To prevent the transmission of structure-borne noise, ■ Unfavourable ambient conditions can lead to never site the appliance above ceilings with wooden malfunctions and appliance damage. joists (e.g. in the attic). ■...
Preparing for installation Transport and siting requirements (cont.) Anti-vibration base Site the heat pump on a base prepared on site for the purpose of noise attenuation and even weight distribu- tion. Note In the case of corner installation, enlarge the base by the minimum clearances (see chapter "Minimum clear- ances"...
Preparing for installation Transport and siting requirements (cont.) Type BW 302.C140, BW 302.C180 and BW 302.C230 2040 Fig. 7 Pressure point, adjustable foot ê Pressure-tested sound insulation layer, approx. 10 to 20 mm Front of the heat pump Requirements for on-site connections Dimensions Vitocal 300-G Type BW 301.C090 to BW 301.C120, BW 302.C090 and BW 302.C110 1343...
Preparing for installation Requirements for on-site connections (cont.) Note The width of the heat pump is indicated with and with- out side panels. The dimensions without side panels are the transport dimensions. Type BW 302.C140 to BW 302.C230 1932 Fig. 9 Flow, primary circuit (inlet): Return, secondary circuit (inlet): Victaulic 3...
Heat pump control unit with LON communication module (accessories) Lag heat pump Primary pump, lead heat pump (fail-safe) Note For 2-stage Vitocal 300-G Pro, a primary pump can be used for stages 1 and 2 respectively. Ob- serve minimum flow rate. Brine safety assembly Pressure switch, primary circuit...
Preparing for installation Hydraulic connection requirements (cont.) Heat pump cascade: 1-stage/2-stage (type BW 301.C090 to BW 302.C230) A heat pump cascade consists of a lead heat pump Up to 4 lag heat pumps possible when connected via ■ and lag heat pumps. LON.
Preparing for installation Hydraulic connection requirements (cont.) Pos. Description Only for type BW 302.C140, BW 302.C180 and BW 302.C230 (2-stage heat pumps): Secondary pump 2 (fail-safe) Note Contactor relay required ■ Size secondary pump 1 for partial load. ■ Primary pump 1 (fail-safe) Optionally: 2nd primary pump (fail-safe) for stage 2 Note Contactor relay required...
Page 22
Preparing for installation Hydraulic connection requirements (cont.) Pos. Description Plate heat exchanger Flow limiter Motorised 2-way valve, normally closed Note Note Achievable cylinder temperatures: Size plate heat exchanger in accordance with the Top section: technical guide. Without a dirt trap the warranty for the ■...
Installation sequence Siting the heat pump (cont.) Removing the transport brackets Please note If transport brackets are not removed, they cause vibrations and excessive noise. Remove all 4 transport brackets fully from below and dispose of correctly. Fig. 16 Transport locking screws...
Installation sequence Siting the heat pump (cont.) Fitting the back panel, side panels and kicking plates Note After fitting the back panel, make the hydraulic and electrical connections. See following chapter. Fig. 17...
Installation sequence Making the hydraulic connections (cont.) Using the 2½" or 3" flange adaptor set (accessories) Fig. 20 Victaulic coupling 3" (primary circuit) Flange adaptor 2½" DN 65/PN 10, short (secon- Victaulic coupling 2½" (secondary circuit) dary circuit), without anti-vibration elements Flange adaptor 3"...
2. Ensure adequate thermal and anti-vibration insula- als. tion of all pipes routed through walls. 5. Charge the primary circuit with Viessmann heat transfer medium and vent. Connecting the secondary circuit 1. Equip the secondary circuit on site with an expan- 3.
Installation sequence Electrical connections Routing cables to the heat pump wiring chamber Danger When routing the on-site cables, note the location of Damaged wiring insulation can lead to serious the cable entries into the appliance on the back panel. injury from electrical current and result in appli- ance damage.
Installation sequence Electrical connections (cont.) Overview of electrical connections Note Route 230 V cables and LV cables separately and ■ bundle tightly at their terminals. This ensures that, in the event of a fault, e.g. when detaching a wire, the wires cannot drift into the adjacent voltage area.
Installation sequence Electrical connections (cont.) Contactors for primary and secondary pumps F3 Fuse 6.3 A (slow) EEV PCB Main PCB with expansion PCB X24 Slot for LON communication module X31 Coding card slot Controller and sensor PCB (Heat pump control unit) Wiring chamber, front Fig.
Installation sequence Electrical connections (cont.) Main PCB with expansion PCB Information regarding the connection values The specified output is the recommended connected ■ load. ■ The total output of all components connected directly to the heat pump control unit (e.g. pumps, valves, message facilities, contactors) must not exceed 1000 W.
Page 34
Installation sequence Electrical connections (cont.) Working components 230 V~ Plug Clamps Function Explanation 211.3 Switching of instantaneous heating Connection values water heater, stage 1 Output: 10 W ■ Voltage: 230 V~ ■ Max. control current: 4(2) A ■ Connection, see separate "Connection and wiring dia- gram".
Page 35
Installation sequence Electrical connections (cont.) Plug Clamps Function Explanation 212.1 Cooling control Connection values AC function (active cooling) Output: 10 W ■ Voltage: 230 V~ ■ Max. control current: 4(2) A ■ Connection, see separate "Connection and wiring dia- gram". 212.2 Heating circuit pump for heating circuit This pump is connected in addition to the secondary...
Page 36
Installation sequence Electrical connections (cont.) Plug Clamps Function Explanation 222.3 Control of external heat generators Floating contact 222.4 with 2 high limit safety cut-outs (max. 70 °C) for the heat pump and for Note switching off the secondary pump The switching contact is a floating N/O contact that ■...
Page 37
Installation sequence Electrical connections (cont.) Plug Clamps Function Explanation 224.4 Switching of instantaneous heating Connection values water heater, stage 2 Output: 10 W ■ Voltage: 230 V~ ■ Max. control current: 4(2) A ■ Connection, see separate "Connection and wiring dia- gram".
Page 38
Installation sequence Electrical connections (cont.) Plug Clamps Function Explanation 225.1 Heating circuit pump for heating circuit Connect a temperature limiter to restrict the maximum with mixer M2/HC2 temperature for underfloor heating circuits (if installed) in series. Connection values: Output: 100 W ■...
Installation sequence Electrical connections (cont.) Message and safety connections (safety chain) with distribution terminal Fig. 26 Set the required parameters during commissioning; see from page 53. ■ For connections, see separate "Connection and wiring diagram". ■ Signal and safety connections Clamps Function Explanation...
Page 40
Installation sequence Electrical connections (cont.) Clamps Function Explanation LP1 X3.2 Signal "External blocking" (external Requires floating N/O contact: LP1 X3.14 blocking of compressor and pumps, Closed: blocking enabled ■ or at external mixer in control operation or Open: no blocking ■...
Page 41
Installation sequence Electrical connections (cont.) Clamps Function Explanation X3.10 Fault message, lag heat pump in a Requires floating contact: X3.11 cascade Closed: no faults ■ Open: fault ■ Jumper Breaking capacity 230 V~, 0.15 A ■ No jumper should be installed if a message contact is connected.
Internal connection, KM-BUS Connection, PWM signal, cylinder loading a:DC Connection, Modbus 1: Viessmann appliances pump If other Viessmann appliances are to be con- Connection, Modbus 2 (cores interchangeable) nected, plug in the Modbus distributor (acces- sories). Connection, energy meter Programming unit connection ■...
Page 43
Installation sequence Electrical connections (cont.) Sensors to be connected on site Plug Sensor Type F0.1/F0.2 Outside temperature sensor NTC 10 kΩ F0.2/F0.3 Radio clock receiver (accessories) Buffer temperature sensor, top NTC 10 kΩ Cylinder temperature sensor, top NTC 10 kΩ Cylinder temperature sensor, bottom NTC 10 kΩ...
Only on-site appliances can be used (e.g. instantane- ■ Connection: ous heating water heater, immersion heater in heating Appliance installation instructions – water buffer cylinder). Electrical connection, see separate "Connection – and wiring diagram". ■ Installation in the Vitocal 300-G Pro is not possible.
Installation sequence Power supply Isolators for non-earthed conductors The allocation of the power-OFF (for compressor ■ ■ Install an isolator in the power cable to provide and/or instantaneous heating water heater) is made omnipolar separation from the mains for all active via the type of connection and by setting parameters conductors, corresponding to overvoltage category in the heat pump control unit.
Installation sequence Power supply (cont.) Electrical connection requirements Recommended power cables (minimum values) Note ■ The power connections must be carried out by an authorised electrician in accordance with local regu- lations. The specified cross-sections are "minimum cross-sections" and are indicative. They apply to cable laying in empty pipes or ducts at an ambient temperature of up to 25 °C.
Installation sequence Power supply (cont.) Power supply with power-OFF Power-OFF without on-site load disconnection (delivered condition) X3.7 The power-OFF signal is connected directly to the heat pump control unit via floating contact. The compres- sors are "forced off" when power-OFF is enabled. X3.6 Parameter "Output for instant.
Page 48
Installation sequence Power supply (cont.) LED explanation Number of flashes 1 Overload 2 Excess temperature 3 Phase reversal 4 Phase loss / motor not connected 5 Phase asymmetry HOLD TO TEST 6 Short-circuited Thyristor 7 Test PUSH TO RESET SMC-3 OVLD SETTING LED STATUS RUN/ON...
Installation sequence Fitting the shaft and dial for the ON/OFF switch and installing the programming unit Note The shaft and control dial for the ON/OFF switch as well as the programming unit are delivered inside the wiring chamber of the heat pump. Only fit the program- ming unit after all electrical connections have been made.
Page 50
Installation sequence Closing the heat pump (cont.) Have all cable entries/grommets been correctly Have transport brackets been removed? ■ ■ applied and sealed against moisture ingress? ■ Are the back and side panels securely attached? ■ Do all hydraulic connections have airtight sealing and insulation with thermal and vapour diffusion- proof materials? Fig.
Have your heat pump checked over by a refrigeration engineer. Filling and venting on the primary side Please note 3. Charge the primary circuit with Viessmann heat Commissioning when the primary circuit is transfer medium and vent. empty causes appliance damage.
Commissioning, inspection, maintenance Filling and venting on the secondary side Please note 4. Fill (flush) and vent the secondary circuit. Commissioning when the secondary circuit is empty causes appliance damage. Please note Charge and vent the secondary circuit before Leaking hydraulic connections lead to appli- connecting the power supply.
Page 54
Commissioning, inspection, maintenance Commissioning the system (cont.) Turn on the ON/OFF switch of the heat pump control unit. ■ The prompt "Commissioning start?" appears auto- matically on 1st commissioning. Note The commissioning assistant can also be started manually: To do this, press and hold when switching on the heat pump control unit (progress bar visible).
Page 55
Commissioning, inspection, maintenance Commissioning the system (cont.) Language Date/Time Time Date Start commissioning? Coding Parameter group Parameters level 1 select Temperature Sensor values sensors display Signal inputs Signal inputs display Actuator test Actuator test carry out Subscriber check (LON) Subscriber check carry out Function check Function...
Page 56
Commissioning, inspection, maintenance Commissioning the system (cont.) 5. Select parameter: "System scheme" 6. Confirm parameter code: "7000" 7. Set system scheme: "6" Required parameters for components connected on site Detailed explanations on parameters "Vitotronic 200" service instructions Pumps and other components Pump/component Parameter Setting...
Page 57
Commissioning, inspection, maintenance Commissioning the system (cont.) Pump/component Parameter Setting Vitocom 100, type GSM "System definition" "1" Ó "Vitocom 100 7017" External extension "System definition" "1" External EA1 extension Ó "External extension 7010" "2" External AM1 extension "3" EA1 and AM1 Note For external function parameters see "External functions"...
Page 58
Commissioning, inspection, maintenance Commissioning the system (cont.) Parameters for external heat source Parameters Setting "External heat source" Ó "Enable external heat source 7B00" "1" Enable external heat source for DHW heating "External heat source" Ó "Enable external heat source for DHW heating 7B0D" "1"...
Page 59
Commissioning, inspection, maintenance Commissioning the system (cont.) Parameters for ice store system Parameter Setting "System definition" Ó "Select primary source 7030" "1" "External extension 7010" "2" "Solar" Ó "Type solar control unit 7A00" "2" Possibly set additional parameters. "System definition" Ó...
Page 60
Commissioning, inspection, maintenance Commissioning the system (cont.) Parameter Setting Further enabling for Vitovent 300-F, if applicable: "Ventilation" Ó "Enable preheater bank electric 7D01" "1" "Enable reheater bank hydraulic 7D02" "1" "Enable humidity sensor 7D05" "1" "Enable CO2 sensor 7D06" "1" Further enabling for Vitovent 200-C, if applicable: "Ventilation"...
Note The additional parameters for the heat pump cascade are set during commissioning by a heat pump contrac- tor certified by Viessmann. Checking the electronic flow switch, type IFM Note The electronic flow switch is only used in the operating mode "water/water with intermediate circuit".
Commissioning, inspection, maintenance Checking the electronic flow switch, type IFM (cont.) Flow switch operating displays Meaning Several LEDs illuminate green. Indication between no (no LED illuminates) and maximum flow rate (all LEDs illuminate green). The higher the flow rate, the more LEDs illuminate green. LED "9"...
Troubleshooting Diagnosis Increased noise emissions Possible causes: Transport bracket not removed ■ ■ Doors at the front not properly closed (turn quadrant key as far as it will go) ■ Hydraulic line is touching the heat pump casing (back panel). Hydraulic line not connected free of load and torque ■...
Repairs Removing the front panel and top panel 1. Set the ON/OFF switch to OFF or 0 respectively. 4. Carefully remove top panel (see page 50). 2. Undo both screws on the underside of the front panel. Please note The cables between the programming unit and the wiring chamber can suffer damage.
Repairs Overview of internal components (cont.) Sight glass, oil level, compressor 1 and 2 Flow temperature sensor, secondary circuit (outlet) (only type BW 302.C090 to BW 302.C230) Flow temperature sensor, primary circuit (inlet) Hot gas temperature sensor Return temperature sensor, secondary circuit Filter dryer (inlet) 2nd parallel filter dryer...
Repairs Checking sensors (cont.) Temperature sensors, type Pt500A -40 -30 -20 -10 Outside temperature in °C Fig. 38 Checking MCBs/fuses Danger Contact with live components can lead to seri- ous injury from electric current. Before working on the appliance, ensure that the power circuit is at zero volt.
Parts lists Ordering parts The following details are required when ordering parts: ■ Serial no. (see type plate) ■ Position number of the part (from this parts list)
Commissioning/service reports Hydraulic parameter report Settings and test values Set value Commissioning Maintenance/ service Frost protection (brine medium) for geo- °C thermal probes for BW External heating circuit pump test Circulation pump type Circulation pump stage Overflow valve setting Commissioning, primary circuit Primary circuit flow temperature °C ("Diagnosis"...
Page 73
Commissioning/service reports Control parameter report (cont.) System definition Parameter Code Delivered condition Commission- Maintenance/ Service "System scheme" (see chapter "Overview 7000 of possible system schemes") ≙ "Temperature differential for calculating 7003 40 ( 4 K) the heating limit" ≙ "Temperature differential for calculating 7004 40 ( 4 K)
Page 74
Commissioning/service reports Control parameter report (cont.) Compressor 2 Parameter Code Delivered condition Commission- Maintenance/ Service "Enable compressor" 5100 "Enable use of compressor stage" 5112 "Primary source output" 5143 "Output compressor stage" 5130 Rated heating output according to type plate External heat generator Parameter Code Delivered condition Commission-...
Page 75
Commissioning/service reports Control parameter report (cont.) Solar Parameter Code Delivered condition Commission- Maintenance/ Service "Type solar control unit" 7A00 Parameters for solar control module, type C0xx These parameters will only be displayed if the solar control module, type SM1, is connected to the heat pump and "Type solar control unit"...
Page 76
Commissioning/service reports Control parameter report (cont.) Heating water buffer cylinder Parameter Code Factory setting Commission- Maintenance/ service "Enable buffer cylinder/low loss header" 7200 ≙ "Temp in operating status fixed value for 7202 500 ( 50 °C) buffer cyl" ≙ "Hysteresis temperature heating buffer 7203 50 ( 5 K)
0 °C Max. flow temperature at pri- °C mary inlet +5 °C Information regarding ice store systems ■ Parameters must be matched Requires consultation with Viessmann ■ Always maintain the minimum flow rate ■ Flow switch required ■ ■...
Page 81
Output data to EN 14511 corresponds to a tempera- The EC safety datasheet for R410A can be obtained ■ ture spread of 3 K at a brine inlet temperature of 0 °C from the Technical Services department of Viessmann and brine outlet of -3 °C. Werke. ■...
Page 83
Specification Specification, Vitocal 300-G (cont.) Type BW 1-stage 301. 2-stage 302. C090 C120 C090 C110 C140 C180 C230 Sound power level (tested with reference to EN 12102/ EN ISO1914-2), weighted to- tal sound power level at ± /W35 ± At rated heating output dB(A) SCOP LT 5.16...
Date Time The work that is requested to be carried out by Viessmann will be billed in accordance with the latest Viessmann pricelist. Additional journeys and any work required to meet the requirements of the checklist above, e.g. incom- plete preparation work, are charged additionally.
Final decommissioning Dismantling / Disposal Following expiry of the appliance's service life and when replacing components, observe the statutory regulations on dismantling, recovery and disposal. Refrigerants may only be recovered and replaced by professionals who are qualified and certified for this. Used refrigerant must be recycled by correct and veri- fied means.
Certificates Declaration of conformity Vitocal 300-G Pro, type BW 301.C090 and BW 302.C090, including heat pump control unit Vitotronic 200, type WO1C We, Viessmann (Switzerland) AG, CH-3076 Worb SBB, declare as sole responsible body that the listed product complies with the provisions of the following directives and regulations:...
Certificates Declaration of Conformity Vitocal 300-G Pro, type BW 301.C120, BW 302.C110, BW 302.C140, BW 302.C180 and BW 302.C230, includ- ing heat pump control unit Vitotronic 200, type WO1C We, Viessmann (Switzerland) AG, CH-3076 Worb SBB, declare as sole responsible body that the listed product...
Keyword index Keyword index Electrical connection..........32, 66 Adjusting operating display........62 – General information..........10 Ambient temperatures..........12 – Heat pump control unit........31, 66 Appliance MCBs/fuses..........66 Electrical connections..........31 Appliance too noisy............ 63 – Overview..............31 Electrical installation scheme –...
Page 89
Keyword index Keyword index (cont.) Installation room...........10, 12 Instantaneous heating water heater.......9, 57 Parameter group selection......... 55 Instructing system user..........62 Parameters Intended use..............8 – Cooling function............58 Internal components – Electric booster heater..........57 – Overview..............64 – Energy meters............59 Isolators..............45 –...
Page 90
Keyword index Keyword index (cont.) Room temperature sensor System pressure, checking........53 – Curve...............65 System pressure checking......... 53 Room volume............. 12 System user instruction..........62 Routing – 230 V cables............30 – LV leads..............30 Temperature sensor, liquid line........64 – Power cable............30 Temperature sensor, suction gas.......