Camus Hydronics DynaFLO DOWB-S1 Series, Installation And Service Manual

Page 1: ...Immediately call your gas supplier from a neighbour s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department A Qualified installer service agency or the gas supplier must perform installation and service WARNING Do not store or use gasoline or other flammable vapours and liquids in the vicinity of this or any other appliance TO THE INSTALLER Aft...

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Page 3: ...put Wiring 7 Part 5 Control 8 5 1 Overview 8 5 2 Screen Navigation 9 5 2 1 Control 11 5 2 2 Alarm 11 5 2 3 Setup Installer Level Password 3232 12 5 2 3 1 Alarm Configuration 12 5 2 3 2 Data Logging 13 5 2 3 3 DataXport 14 5 2 3 3 Modbus 16 5 2 3 4 PID Configuration 16 Part 6 Components 17 6 1 Electro Hydraulic Actuator 17 6 1 1 Operation 17 6 1 2 Stroke Calibration 17 6 1 3 Manual Operation 17 6 2...

Page 4: ... the equipment Study its contents carefully The unit will provide good service and continued operation if proper operating and maintenance instructions are followed No attempt should be made to operate the unit until the principles of operation and all of the components are thoroughly understood It is the responsibility of the owner to provide training and advice in all aspects of safety not only ...

Page 5: ...ners lead free pressure relief valve or lead free temperature and pressure relief valve Optional air vent high limit switch and a very precise electro hydraulic 3 way actuator that can be turned into a 2 way operation If your DynaFLO model is equipped with the IntelliFLO option your DynaFLO will also have a flowmeter installed on the DHW inlet To avoid any confusion throughout this manual an image...

Page 6: ... 44 S6 D4 D6 58 1 4 16 44 Camus Model Outlet Connections Camus Model Outlet Connections DOWB S1 1 5 FNPT DOWB D1 1 5 FNPT DOWB S2 1 5 FNPT DOWB D2 1 5 FNPT DOWB S3 2 FNPT DOWB D3 2 FNPT DOWB S4 2 FNPT DOWB D4 2 FNPT DOWB S5 2 FNPT DOWB D5 2 FNPT DOWB S6 2 FNPT DOWB D6 2 FNPT ...

Page 7: ...toring corrosive chemicals in the vicinity of this appliance can rapidly attack the stainless steel tubes and coils and voids warranty Damage caused by freezing or dry firing voids warranty The manufacturer shall NOT be held liable for any personal injury or property damage due to condensation of any exterior part of the appliance including pipes Part 2 Installation 2 1 Checking the Equipment Chec...

Page 8: ...estic supply to take away any heat left on the boiler side before shutting down 2 Once the heat exchanger has cooled down close down the domestic supply to DynaFLO 3 Turn off the DynaFLO by switching the power button 4 Drain the unit by using the drain valves provided on DynaFLO 5 Remove the Victaulics 6 Remove the heat exchanger shroud 7 Slowly remove the heat exchanger while sliding it on the bu...

Page 9: ...ey can be seen in the image below 4 2 Field Power Supply The main field 120VAC power supply can be inserted through the knock out holes that are placed on the sides of the control box mounted on top of the heat exchanger cabinet This connection must be made by a licensed electrician when the unit is not energized and in accordance with section 4 1 of this manual A strain relief should be used The ...

Page 10: ... this contact is either continuously ON whenever there is an active alarm regardless of acknowledged or not or continuously OFF whenever there are no alarms This is to protect other contacts or electrical systems that might be present in a remote system circuit The electrical specifications of the relays can be seen below Depending on the type of load and circuit that O0 and or O1 are intended to ...

Page 11: ...d it is recommended not to change them The image below demonstrates the relationship between the controller and other components For alarms the controller also has a digital output O1 that is programmed to turn ON and stay ON once there is a new alarm this output could be used for remote operations The controller also has another digital output O0 that starts switching ON and OFF once there is a n...

Page 12: ...Setup menu The higher level password is needed for configuring the P I and D parameters as these parameters are no recommended to be changed Modbus Map Parameter Register Traditional Modbus Reference Read Write Notes 16 Bit Registers 40010 R DHW Out Temp Read MI 9 Set Point Read MI 97 40005 R Actuator Position Read MI 95 40096 R Set point Write MI 87 60088 W Only Possible when the control is set t...

Page 13: ...p Display Setup Password Required 3232 Alarm Configuration Data Logging Modbus PID Configuration Flowmeter Calibration Factory Level Password Required PID Parameters Factory Level Password Required Control Alarm ...

Page 14: ... the touch screen However when Remote_Direct or Remote_SP is selected those parameters can only be configured by sending Modbus commands The first option Local_Manual as mentioned bypasses the local built in PID and makes the Actuator Position display touch accessible such that the user can control the actuator by inserting the position into this display This could become useful in calibrating or ...

Page 15: ...hich is explained in the next section The corresponding registers relating to alarms are tabulated in the Modbus Map table in section 5 1 As mentioned in section 4 4 two digital outputs are associated with alarms O0 and O1 Whenever there is an active alarm regardless of the alarm acknowledged or not O1 will come on and it will stay on for as long as the new alarm remains active even if it becomes ...

Page 16: ...llers Instructions on how to use DataXport are given in the next section Once DataXport is set up and DynaFLO s controller is connected to the computer using a USB cable data logging can begin On DynaFLO s controller the following parameters are logged when Data Logging ON OFF is turned ON RTD1 Actuator Position Setpoint Total Number of Alarms Pending for Acknowledgement Date and Time Log Interval...

Page 17: ...the controller s ladder application This name is DynaFLO PLC 1 Select PC Ports from the Design Menu PC Ports window opens 2 Double click a line that corresponds to the COM number that is used with the USB cable connecting the PC to DynaFLO s controller 3 Make the desired selections as follows 4 Click OK then Close When to Log The schedule determines the time intervals between data log actions 1 Se...

Page 18: ...he right hand side of the PLC window Select desired schedules that you have previously created 4 Select the PLC Type as Samba 5 Select MB to Set 51 6 Select the PC Port on your computer that is using the USB cable connected to DynaFLO s controller 7 Select Enabled to include this project site when DataXport project is run 8 Select Create Excel Files so that DataXport creates Excel files whenever a...

Page 19: ...ser to a display that allows the user to change the Proportional Integral and Derivative parameters that govern the performance of the local built in PID loop However these parameters have been fine tuned through extensive testing specifically for DynaFLO and changing these parameters are not recommended as the performance of the local PID loop is very sensitive to a change in these parameters The...

Page 20: ...tion procedure the contacts inside this slot must be short circuited for example with a screwdriver Automatic calibration can then proceed as depicted in the following image Actuator runs to the 0 stroke position 1 green LED flashes Actuator then runs to the 100 stroke position 2 green LED flashes Measured values are stored in the EPROM The actuator now moves to the position defined by control sig...

Page 21: ... discharge line be piped from the valve in order to carry the overflow to a safe place of disposal The discharge line must be the same size as the valve outlet and must pitch downward from the valve and terminate at least 6 152mm above the floor drain where any discharge will be clearly visible 6 2 2 Re inspection of T P relief valve Temperature and Pressure Relief Valves should be re inspected AT...

Page 22: ...peed operation WARNING THE CIRCULATORS ON DYNAFLO HAVE BEEN EVALUATED FOR USE WITH WATER ONLY AND WATER GLYCOL MIXTURE ETHYLENE PROPYLENE ONLY The venting of the rotor chamber may be done automatically However to assure proper and faster venting of this circulator we recommend the manual venting procedure as follows 1 Place a container under the back of the circulator to catch any water that may r...

Page 23: ...e noise Install expansion joints Install fixture to change system s natural frequency Adjusts pump speed Replace pump motor Knocking from foreign bodies in the pump or on valve Turn valve around if installed incorrectly Clean impeller Adjust valve pressure Adjust valve spring Replace pump Noise From Radiator Excessive pressure passing the thermostatic valve Reduce the speed setting Flow decreases ...

Page 24: ...DynaFLO due to safety reasons and therefore for a few minutes they apply the same firing rate to the now very hot incoming boiler water This leads to an even hotter boiler outlet temperature which can trip the high limit switch on the boiler in the matter of a few minutes This situation is more common if the boiler and piping are small and do not contain a significant volume of water to absorb the...

Page 25: ...22 Appendix B Electrical Schematics DynaFLO ...

Page 26: ... the item The exchanged or repaired heat exchanger will carry the balance of the remaining original warranty provided with the appliance based on the FOB date In the event a replacement heat exchanger is delivered and if the defective heat exchanger is deemed to be repairable by CAMUS the repaired heat exchanger will be returned to the customer and a credit will not be issued ANY OTHER PART If any...

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Page 28: ...ting boilers as well as a supplier of specialty HVAC products Our service line is open 24 hours 7 days a week The CAMUS CERTIFIED seal assures you that Reliability Efficiency Serviceability are built into every single unit For more information on our innovative products from CAMUS Hydronics Limited call 905 696 7800 today ...