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Table of Contents
Related Manuals for Danfoss BW10 020-090
Summary of Contents for Danfoss BW10 020-090
- Page 1 BW10 020-090 Control Operation instructions VMGFU102...
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Page 2: Table Of Contents
Contents 1 - SAFETY CONSIDERATIONS ..............................3 1.1 - General ..............................................3 1.2 - Avoid electrocution........................................3 2 - GENERAL DESCRIPTION ..............................3 2.1 - General ..............................................3 2.2 - Abbreviations used ........................................3 3 - HARDWARE DESCRIPTION ..............................3 3.1 - General ..............................................3 3.2 - Electrical supply to boards ......................................4 3.3 - Light emitting diodes on boards....................................4 3.4 - The sensors ............................................4... -
Page 3: Safety Considerations
1 - SAFETY CONSIDERATIONS 2.2 - Abbreviations used The BW10 unit has one refrigerant circuit, called circuit A with 1.1 - General one or two compressors (A1, A2). Installation, start-up and servicing of equipment can be hazardous if certain factors particular to the installation are not The following abbreviations are used frequently: considered: operating pressures, presence of electrical Carrier Comfort Network... -
Page 4: Electrical Supply To Boards
Control board Green LED Unit has stopped Unit starts up Contrast control Unit in operation wheel Back to the previous Red LED screen No alarm Warning Circuit or complete unit error Up/Down key - Navigation - Modification On/off key Enter key - Unit stopped - Validation - List of available operating... - Page 5 NRCP2-BASE control board Optional PD-AUX board The following table summarises the connections at the user terminal block. Description Connector/ Terminal Board Remarks channel Contact 1: Start/stop J4/CH 8 32-33 NRCP2-BASE Used with the remote operating mode (Remote). Contact 2: Heating/cooling selection J4/CH 9 63-64 NRCP2-BASE...
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Page 6: Setting Up Control System4.1 - General Features
4. SETTING UP CONTROL SYSTEM4.1 - General features Enter password The interface includes different screens that are listed below: 1_** The first digit is 1, the cursor is • Default screens with direct display of the main parameters, positioned on the second digit •... -
Page 7: Parameter Modification
ATTENTION: If the user exits from the current data screen, the \\MAINMENU\TEMP Current path in the menu structure value is saved. A saving confirmation is displayed. The 12.0°C List of items Enter key validates the parameter modification(s). The 7.0°C Cursor position Return to the Previous Screen key cancels the current 35.0°C modification(s). -
Page 8: Menu Tree Structure
4.8 - Menu tree structure... -
Page 9: Detailed Menu Description
4.9 - Detailed menu description ATTENTION: Depending on the unit characteristics, certain menu items are not used. 4.9.1 - GENUNIT menu NAME FORMAT UNIT DESCRIPTION ctrl_typ 0/1/2 Local = 0. CCN = 1. Remote = 2 STATUS Running/Off/Stopping/ Operating status Delay Normal/Partial/Shutdown Alarm status... - Page 10 4.9.5 - INPUTS menu NAME FORMAT UNIT DESCRIPTION ONOFF_SW Open/Close Remote start/stop contact HC_SW Open/Close Remote heating/cooling contact on_ctrl Off, On Cool, On Heat, On Auto Current control SETP_SW1 Open/Close Remote setpoint contact 1 SETP_SW2 Open/Close Remote setpoint contact 2 LIM_SW1 Open/Close Remote demand limit contact 1...
- Page 11 4.9.8 – HDC_STAT menu NAME FORMAT UNIT DESCRIPTION dhw_mode Mode (0 = heating, 1 = DHW, 2 = valve moving) dhw_dem No/Yes DHW demand dhw_time DHW mode operating time shc_time Heating mode operating time sum_mode No/Yes Summer mode ctrl_pnt +-nnn.n °C Current setpoint +-nnn.n...
- Page 12 4.9.12 - CONFIG menu NAME DESCRIPTION GEN_CONF General configuration menu PUMPCONF Water pump configuration menu HC_CONFIG Heating/cooling configuration menu HDC_CONF Heating module configuration menu RESETCFG Reset configuration menu USERCONFIG User configuration menu SCHEDULE Time schedule HOLIDAY Holiday calendar BRODCAST Broadcast menu DATETIME Date and time menu DISPLAY...
- Page 13 4.9.18 - BRODCAST menu NAME FORMAT DEFAULT UNIT DESCRIPTION ccnbroad 0/1/2 Activates the broadcast 0 = deactivated, 1= broadast during holidays at the network, 2 = broadcast during holidays, machine only oatbusnm 0 to 239 Broadcast of the outside temperature Bus number of the machine with the outside temperature oatlocad 0 to 239...
- Page 14 4.9.23 - RESETCFG menu NAME FORMAT DEFAULT UNIT DESCRIPTION COOLING RESET oatcr_no -10 to 51.7 °C Outside temperature for no reset oatcr_fu -10 to 51.7 °C Outside temperature for maximum reset dt_cr_no 0 to 13.9 Delta T for no reset dt_cr_fu 0 to 13.9 Delta T for maximum reset...
- Page 15 Time schedule type: MON: Monday Starts at Stops at Active on Time P1: period 1, 0h00, 3h00, Monday TUE: Tuesday P2: period 2, 7h00, 18h00, Monday + Tuesday WED: Wednesday P3: period 3, 7h00, 21h00, Wednesday THU: Thursday P4: period 4, 7h00, 17h00, Thursday + Friday...
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Page 16: Control Operation
• Command set to Stop: the unit is halted. 5 - CONTROL OPERATION • Command set to Start: the unit runs in accordance with schedule 1. 5.1 - Start/stop control • Start/Stop schedule: occupied or unoccupied status of the The table below summarises the unit control type and stop or unit as determined by the chiller start/stop program (Schedule 1). -
Page 17: Heat Exchanger Water Pump Control
• Remote heating/cooling contacts: these contacts are only 5.2.2 - Heating/cooling/auto selection active if the unit is under remote control. The table below summarises the unit heating/cooling opera-tion, • HC_SEL: this network command permits heating/cooling/ based on the following parameters: auto control, if the unit is in CCN operating mode. -
Page 18: Capacity Control
The following tables summarise the possible selections Reset example in cooling mode based on the outside depending on the control types (local, remote or network) and temperature the following parameters: • Setpoint select in local control: item LSP_SEL in the GENUNIT menu permits selection of the active set-point, if the unit is in local operating type. -
Page 19: Control Of A Boiler
One of the functions of the master unit (depending on its 5.9 - Control of a boiler configuration) may be the designation, whether the master or slave is to be the lead machine or the follower. The roles of NOTE: The control of the electric heating stages or of a lead machine and follower will be reversed when the difference boiler is not authorised for slave units. -
Page 20: Diagnostics - Troubleshooting
If a mode change is requested while a compressor is operat-ing, 5.11.2 – Controls it is stopped before the three-way valve changes to the new The heating module controls the following elements: mode, and then the unit is re-started. • A three-way valve to switch over to domestic hot water production •... -
Page 21: Alarm Codes
6.4 - Alarm codes Alarm Alarm Alarm description Reset type Probable cause Action taken by the control code Thermistor faults th-01 Fluid sensor fault, evaporator water Automatic when the temperature measured Defective thermistor Unit is shut down outlet by the sensor returns to normal th-02 Fluid sensor fault, evaporator water As above... -
Page 22: Alarm Codes (Cont.)
6.4 - Alarm codes (cont.) Alarm No. Alarm Alarm description Reset type Probable cause Action taken by the control code Process faults (cont.) P-30 Communicaiton loss between master Automatic when communication is CCN installation bus defective Unit goes into autonomous mode and slave re-established P-31... - Page 24 VMGFU102...