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9

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/
Delay

-

Operating status

ALM

Normal/Partial/Shutdown

-

Alarm status

min_left

0-15

min

Start-up delay

HEATCOOL

Heat/Cool/Standby/Both

-

Heating/cooling status

LOCAL_HC

0/1/2

-

Heating/cooling selection via the main interface

HC_SEL

0/1/2

-

Heating/cooling selection via the CCN network 
0 = cooling, 1 = heating, 2 = auto

LSP_SEL

0/1/2

-

Setpoint selection via the main interface

SP_SEL

0/1/2

-

Setpoint selection via the CCN network  
0 = Auto    1 = Spt1    2 = Spt2

SP_OCC

Yes/No

-

Occupied setpoint active

CHIL_S_S

Enable/Disable

-

Unit start/stop via the CCN network

CHIL_OCC

Yes/No

-

Unit time schedule via the CCN network

CAP_T

nnn

%

Total unit capacity

CAPA_T

nnn

%

Capacity circuit A

CAPB_T

nnn

%

Capacity circuit B

DEM_LIM

nnn

%

Demand limit value

SP

±nnn.n

°C

Current setpoint

CTRL_PNT

±nnn.n

°C

Control point

EMSTOP

Enable/Emstop

-

CCN emergency stop

4.9.2 - TEMP menu

NAME

FORMAT

UNIT

DESCRIPTION

CL_EWT

±nnn.n

°C

Evaporator entering water temperature

CL_LWT

±nnn.n

°C

Evaporator leaving water temperature

OAT

±nnn.n

°C

Outside air temperature

CHWSTEMP

±nnn.n

°C

Common master/slave temperature, evaporator

HTWSTEMP

±nnn.n

°C

Common master/slave temperature, condenser

DGT A

±nnn.n

°C

Discharge gas temperature A

SCT_A

±nnn.n

°C

Saturated condensing temperature A

SST_A

±nnn.n

°C

Saturated suction temperature A

SUCT_A

±nnn.n

°C

Suction gas temperature A

DGT_B

±nnn.n

°C

Discharge gas temperature B

SCT_B

±nnn.n

°C

Saturated condensing temperature B

SST_B

±nnn.n

°C

Saturated suction temperature B

SUCT_B

±nnn.n

°C

Suction gas temperature B

COND_EWT

±nnn.n

°C

Condenser entering water temperature

COND_LWT

±nnn.n

°C

Condenser leaving water temperature

DRY_LWT

±nnn.n

°C

Drycooler leaving water temperature

4.9.3 - PRESSURE menu

NAME

FORMAT

UNIT

DESCRIPTION

DP_A

±nnn.n

kPa

Discharge pressure A

SP_A

±nnn.n

kPa

Suction pressure A

DP_B

±nnn.n

kPa

Discharge pressure B

SP_B

±nnn.n

kPa

Suction pressure B

4.9.4 - SETPOINT menu

NAME

FORMAT

VALUE

UNIT

DESCRIPTION

csp1

- 29.7 to 20

12.0

°C

Cooling setpoint 1

csp2

- 29.7 to 20

12.0

°C

Cooling setpoint 2

ice_sp

- 29.7 to 20

12.0

°C

Ice storage cooling setpoint

hsp1

20 to 50

50.0

°C

Heating setpoint 1

hsp2

20 to 50

50.0

°C

Heating setpoint 2

hsp3

20 to 55

50.0

°C

Heating setpoint 3

hramp_sp

0.1 to 1.1

0.60

^C

Ramp loading

cauto_sp

3.9 to 50

24.0

°C

Cooling changeover setpoint

hauto_sp

0 to 46.1

18.0

°C

Heating changeover setpoint

lim_sp1

0 to 100

100

%

Limit setpoint 1

lim_sp2

0 to 100

100

%

Limit setpoint 2

lim_sp3

0 to 100

100

%

Limit setpoint 3

cond_sp

0 to 60

38

°C

Condensing setpoint, condenser

* 50, if the unit includes a variable-speed fan

Summary of Contents for BW10 020-090

Page 1: ...BW10 020 090 Control Operation instructions VMGFU102...

Page 2: ...AL FEATURES 6 4 2 Default screen characteristics 6 4 3 Password screens 6 4 4 Menu screen characteristics 6 4 5 Data screen or configurable parameter characteristics 6 4 6 Parameter modification 7 4 7...

Page 3: ...2 GENERAL DESCRIPTION 2 1 General The BW10 unit has one refrigerant circuit with one or two compressors The unit has an electronic control system to regulate water cooled units with or without hydron...

Page 4: ...ctronic sensors are used to measure the suction and the discharge pressure of the water pump The water flow rate is calculated the unit is protected against water flow losses and the pump is protected...

Page 5: ...lowing table summarises the connections at the user terminal block NRCP2 BASE control board Optional PD AUX board J2A J2B J3 J4 J12 J3 3 6 2 Volt free contact on off cooling heating If the unit works...

Page 6: ...rd entry screen 0_ Password value 0 basic access Description The password is entered digit by digit The cursor is shown at the current digit that flashes The arrow keys modify the digit value The digi...

Page 7: ...cessible for the first selected character Modify value Description of the screen csp 2 12 0 C Current value 11 5_ C New value before validation Cooling Setpoint 2 Item description The value is validat...

Page 8: ...UMPCONF HCCONFIG RESETCFG USERCONF SCHEDULE HOLIDAY BRODCAST DATETIME CTRL_ID OCC3P03S HCCONFIG HDC_CONF HOLIDY16S HOLIDY02S HOLIDY01S PUMPSTAT HDC_STAT OCC1P01S OCC2P02S 4 8 Menu tree structure NAVIG...

Page 9: ...emperature evaporator HTWSTEMP nnn n C Common master slave temperature condenser DGT A nnn n C Discharge gas temperature A SCT_A nnn n C Saturated condensing temperature A SST_A nnn n C Saturated suct...

Page 10: ...ibration Following a water pressure sensor error CL_OFFST is deconfigured 99 kPa to inform of the need to calibrate the water loop This calibration must be made while there is no water flow in the mac...

Page 11: ...hours compressor B1 st_cp_b1 nnnnn Number of start ups compressor B1 HR_CP_B2 nnnnn hours Operating hours compressor B2 st_cp_b2 nnnnn Number of start ups compressor B2 hr_clpmp nnnnn hours Operating...

Page 12: ...up to ten a active alarms For each alarm the display shows the time and date the alarm was generated as well as the alarm description Each screen shows one alarm ALARMS CUR_ALM HH MM DD MM YY alarm te...

Page 13: ...No Yes Yes Flow rate verification when the pump has shut down cdpmpseq No Yes No Condenser pump selection cdpmpper No Yes No Condenser pump seizure protection cdpmpsby No Yes No Pump shutdown when the...

Page 14: ...Bus number baudrate 9600 to 38400 9600 Communication speed PRO DIALOG 30WG Description CSA SR 20H450NN Software version Serial number 4 9 27 OCCx P0xS menu The control provides three timer programs s...

Page 15: ...ek MTWTFSSH Monday Tuesday Wednesday Thursday Friday Saturday Sunday Holiday OCCTOD4 0 00 24 00 00 00 Occupied from UNOCTOD4 0 00 24 00 00 00 Occupied until DOW5 0 1 0 Period 5 days of the week MTWTFS...

Page 16: ...tically on a unit with outside air temperature sensor In automatic mode the outdoor temperature determines the heating cooling standby changeover based on the two threshold values configured by the us...

Page 17: ...ature is controlled by default but the heat exchanger leaving water temperature can also be controlled requires a Service configuration modification Control point active setpoint reset 5 5 1 Active se...

Page 18: ...r withdraw a capacity stage If the same compressor undergoes too many starts per hour or runs below one minute each time it is started this automatically brings about reduction of compressor starts wh...

Page 19: ...ntacts if the unit has been configured for remote control One of the functions of the master unit depending on its configuration may be the designation whether the master or slave is to be the lead ma...

Page 20: ...tank request contact is open OR The maximum operating duration in the DHW mode has finished OR Time schedule 3 is in an unoccupied period If a mode change is requested while a compressor is operat in...

Page 21: ...omatic when communication is re established Installation bus fault or defective slave board Depending on the configuration compressor A3 is shut down or circuit B is shut down 22 Co e1 Communication l...

Page 22: ...ove As above 55 P62 2 Evaporator water loop control fault missing sensor calibration Automatic if the calibration is valid No calibration As above P62 3 Water loop control fault suction pressure too l...

Page 23: ...23...

Page 24: ...VMGFU102...

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