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5

Reglermanual - VMGFF102

Description

Connector/
channel

Terminal

Board

Remarks

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

Used with the remote operating mode (Remote) in accordance with the boiler or heat 
pump confi guration

Contact 3: Demand limit selection 1

J4/CH 10

73-74

NRCP2-BASE

Customer safety loop input

J4/CH 11A

34-35

NRCP2-BASE

Contact 3 bis: Demand limit selection 
2

J5/CH 12

NRCP2-BASE

Unit without NRCP2-SLAVE board.

Setpoint selection

J5/CH 13

NRCP2-BASE

Used with the remote operating mode (Remote), unit without NRCP2-SLAVE board.

Desuperheater contact

J5/CH14

NRCP2-BASE

Used on units with desuperheater

Heat exchanger heater command

J2B/CH 21

NRCP2-BASE

Frost protection, when the unit is stopped.

Command, water pump 1

J2B/CH 22

NRCP2-BASE

Command, water pump 2

J2B/CH 23

NRCP2-BASE

The change-over between the two pumps is confi gurable

Alarm relay output

J3/CH 24

30A-31A

NRCP2-BASE

Unit operation relay output

J3/CH 25

37-38

NRCP2-BASE

CCN network connection

J12

NRCP2-BASE

RS-485 series connection
- Pin 1:
- Pin 2: ground
- Pin 3: signal -

Setpoint selection

J4/CH 8

65-66

NRCP2-SLAVE

Used with the remote operating mode (Remote), unit with NRCP2-SLAVE board.

Contact 3 bis: Demand limit selection 
2

J4/CH 10

75-76

NRCP2-SLAVE

Used with the remote operating mode (Remote), use of NRCP2-SLAVE board, depending 
on the size

Relay output for boiler command

J3/CH 25

NRCP2-SLAVE

Use of NRCP2-SLAVE board, depending on the size

Triac output for boiler command

J2B/CH 20

NRCP2-BASE

Cooling only unit without NRCP2-SLAVE board

Triac output for boiler command

J3/CH 5

PD-AUX

Heat pump unit without NRCP2-SLAVE board

The following table summarises the connections at the user terminal block.

NRCP2-BASE control board

Optional PD-AUX board

J2A

J2B

J3

J4

J12

J3

Summary of Contents for AR05

Page 1: ...AR05 Control Operation instructions MAINMENU STATUS Circuit B Total Capacity CAPB_T 0 DEM_LIM 100 SP 4 2 C CTRL_PNT 28 9 C EMSTOP dsable ENTER START STOP...

Page 2: ...ics 6 4 3 Password screens 6 4 4 Menu screen characteristics 7 4 5 Data screen or con gurable parameter characteristics 7 4 6 Parameter modi cation 7 4 7 Operating mode screen 8 4 8 Menu tree structur...

Page 3: ...egulate the AR05 units These units have one or two refrigerant circuits Controls compressor start up to control the water loop the fans to optimise operation of each refrigerant circuit the defrost cy...

Page 4: ...sure the suction and discharge pressure in each circuit Thermistors The heat exchanger water sensors are installed in the enter ing and leaving side The outdoor temperature sensor is mounted under a m...

Page 5: ...pump 1 J2B CH 22 NRCP2 BASE Command water pump 2 J2B CH 23 NRCP2 BASE The change over between the two pumps is con gurable Alarm relay output J3 CH 24 30A 31A NRCP2 BASE Unit operation relay output J3...

Page 6: ...ction screen Password entry screen Parameter modi cation screen NOTE If the interface is not used for a long period it will go black The control is always active the operating mode remains unchanged T...

Page 7: ...arameters such as the water temperature setpoints MAINMENU TEMP Current path in the menu structure EWT 12 0 C List of items LWT 7 0 C Cursor position OAT 35 0 C CHWSTEMP 17 8 C SCT_A 57 0 C Leaving Wa...

Page 8: ...Select Machine Mode Description of the screen Local On List of the machine operating modes Local Schedule Cursor CCN Remote The Up and Down keys position the cursor on the selected operating mode Fou...

Page 9: ...DAY BRODCAST DATETIME CTRL_ID HOLIDY01S HOLIDY16S HOLIDY02S OCC1P01S OCC1P02S NAVIGATION Password 0 ACCESS ALL USER DEFAULT SCREENS PASSWORD General parameters Temperatures Pressures Setpoint Inputs O...

Page 10: ...LWT nnn n C Heat exchanger leaving water temperature OAT nnn n C Outside air temperature CHWSTEMP nnn n C Common master slave temperature SCT_A nnn n C Saturated condensing temperature A SST_A nnn n...

Page 11: ...tput B1 exv_a 0 100 EXV position circuit B HD_POS_B 0 100 Position variable fan speed controller B RV_B On O Four way refrigerant valve C_HEATER On O Heat exchanger and lower coil heater BOILER On O B...

Page 12: ...of start ups fan B1 hr_cpum1 nnnnn hours Operating hours pump 1 hr_cpum2 nnnnn hours Operating hours pump 2 nb_def_a nnnnn Number of defrost cycles circuit B nb_def_b nnnnn Number of defrost cycles c...

Page 13: ...rent alarm 1 alarm_2c nnnnn Current alarm 2 alarm_3c nnnnn Current alarm 3 alarm_4c nnnnn Current alarm 4 alarm_5c nnnnn Current alarm 5 alarm_1 nnnnn Current JBus alarm 1 alarm_2 nnnnn Current JBus a...

Page 14: ...me Summer time startmon 1 to 12 3 Month startdow 1 to 7 7 Day of the week 1 Monday startwom 1 to 5 5 Week of the month Winter time stopmon 1 to 12 10 Month stoptdow 1 to 7 7 Day of the week 1 Monday s...

Page 15: ...0 to 13 9 0 C Delta T for maximum reset cr_deg 16 7 to 16 7 0 C Cooling reset value HEATING RESET oathr_no 10 to 51 7 10 C Outside temperature for no reset oathr_fu 10 to 51 7 10 C Outside temperature...

Page 16: ...Monday P2 period 2 7h00 18h00 Monday Tuesday P3 period 3 7h00 21h00 Wednesday P4 period 4 7h00 17h00 Thursday Friday P5 period 5 7h00 12h00 Saturday P6 period 6 20h00 21h00 Holidays P7 period 7 Not us...

Page 17: ...l be in occupied or unoccupied mode depending on the programmed periods validated for public holidays Each of these public holiday periods can be displayed and changed with the aid of a sub menu ATTEN...

Page 18: ...ange over to heating mode Heating cooling control can be automatic or manual In automatic mode the outdoor temperature determines the heating cooling standby changeover based on the two threshold valu...

Page 19: ...customer safety loop see chapter 3 6 It prevents the unit from starting if it is open when the delay at start up has expired This open contact leads to an alarm shut down if the unit is running 5 5 He...

Page 20: ...Heating sp 1 open Heating setpoint 1 Heating sp 2 closed Heating setpoint 2 5 6 2 Reset Reset means that the active setpoint is modi ed so that less machine capacity is required in cooling mode the se...

Page 21: ...rotection and in all cases cannot satisfy the heating load The outdoor temperature is below a con gured threshold see HCCONFIG con guration The unit demand limit is not active The user may con gure th...

Page 22: ...eturn to an autonomous operating mode until the fault is cleared If the master unit is halted due to an alarm the slave unit is authorised to start without prior conditions ATTENTION For heat pumps op...

Page 23: ...hen communication is re established Installation bus fault or defective slave board Depending on the con guration compressor A3 is shut down or circuit B is shut down 16 Co ht Communication loss with...

Page 24: ...ve 45 P 43 Heat exchanger temperature too low less than 10 C prevents unit start up Automatic when the temperature detected returns to normal or when the mode returns to cooling Operating compressor p...

Page 25: ...VMGFF102...

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