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CONDEXA PRO

58

No. Name

lower

upper 

default

UOM

Description

limit

limit

setting

User parameters

1

SetPoint_ch_high

10

Par. 17

70

°C

If Par14=0 this is the high temperature circuit set point

If Par14=1 this is the maximum temperature 

in the high temperature circuit

2

SetPoint_DHW

10

Par. 8

50

°C

3

SetPoint_ch_low

10

Par. 23

40

°C

If Par22=0 this is the low temperature circuit set point 

If Par22=1 this is the maximum temperature  

in the low temperature circuit 

INSTALLER parameters accessible by password: 22

6

DHW_type

0

6

0

0 = No DHW service

1 = Instant with NTC probe

2 = Storage heater with NTC probe

5 = Instant with flow switch

6 = Storage heater with thermostat 

7

P_DHW_max

1

255

230

Maximum speed/output in DHW 

8

T_DHW_limit

10

80

60

Limit for user DHW setting

9

DHW_priority

0

2

0

0 = Sliding A

1 = Sliding B

2 = Absolute priority

10

T_tank_extra

0

50

30

°C

Modular temp system in DHW = Par. 2 + Par. 10 

11

T_tank_hyst_up

0

20

1

°C

Upper DHW differential

12

T_tank_hyst_down

0

20

5

°C

Lower DHW differential

13

N°_bruc_DHW

1

60

60

Maximum no. of burners in DHW

14

CH_type_high

0

3

1

0 = Fixed temperature

1 = Climate with outside probe

2 = 0-10 Vdc for heat output

3 = 0-10 Vdc for temperature

15

P_ch_max

1

255

230

Maximum speed/output in CH

16

CH_priority

0

2

0

0 = No priority between circuits

1 = Priority to the high temperature circuit

2 = Priority to the low temperature circuit

17

T_CH_high_limit

10

80

80

°C

Limit for user high temperature circuit setting

18

T_CH_high_foot

10

Par. 1

50

°C

Min. high circuit set point at the maximum 

outside temperature (Par. 38) 

19

CH_high_hyst_on

0

20

7

°C

Start hysteresis in high temperature circ. 

20

CH_high_hyst_off

0

20

3

°C

Stop hysteresis in high temperature circ.

21

Attenuation_high

0

70

0

°C

Set point attenuation with room thermo. open 

22

CH_type_low

0

3

1

0 = Fixed temperature

1 = Climate with outside probe

2 = 0-10 Vdc for heat output

3 = 0-10 Vdc for temperature 

23

T_CH_low_limit

10

70

50

°C

Limit for user low temperature circuit setting

24

T_CH_low_foot

10

Par. 13

25

°C

Min. low circuit set point - at the maximum 

outside temperature (Par. 38)

25

Attenuation_low

0

70

0

°C

Set point attenuation with room thermo. open

LIST OF PARAMETERS

Содержание CONDEXA PRO 100 S

Страница 1: ...HESE INSTRUCTIONS TO BE RETAINED BY USER Vok ra is a licensed member of the Benchmark scheme which aims to improve the standards of installation and commissioning of domestic hot water systems in the...

Страница 2: ...5 12867 0 CONDEXA PRO 100 S Natural gas LPG 50 37685 12868 7 The Vokera CONDEXA PRO boilers comply with Gas Appliances Directive 90 396 EEC Boiler Efficiency Directive 92 42 EEC Electromagnetic Compat...

Страница 3: ...lies providing the boiler has been correctly installed operated and com missioned by qualified personnel The manufacturer is not liable for any damage caused by the incorrect layout or installation of...

Страница 4: ...Electrical connections 33 Installing the outside probe 35 Filling and emptying the systems 36 Preparing for first start up 38 TECHNICAL Starting for the first time pag 39 Checks during and after first...

Страница 5: ...disposed of according to the legislation in force The use of products that operate on fuel electricity and water requires a number of fundamental safety rules to be observed including bAfter having r...

Страница 6: ...lue gas temperatures 80 C In addi tion the float in the drain trap prevents the flue gas from passing through the condensate drain Fan safety device a Hall effect sensor constantly moni tors the rotat...

Страница 7: ...i fications Packaging label This shows the code the serial number and the barcode 1 2 Gas label This is applied on the side of the frame and describes the type of fuel used by the boiler and the count...

Страница 8: ...tat 8 SECOND combustion chamber models 100 M and 100 S 9 Return probe 10 Condensate collection drain trap 11 Control panel 90 rotation 12 Gas supply CONDEXA PRO 50 M CONDEXA PRO 100 M 100 S 13 Central...

Страница 9: ...88 30 kW Useful heat output 50 30 C 48 5 96 8 96 8 kW Useful efficiency ref NHV 80 C 60 C 98 2 kW Useful efficiency ref NHV 50 C 30 C 107 7 Useful efficiency at 30 ref NHV 50 C 30 C 108 7 Losses throu...

Страница 10: ...C1 9 0 Pressure drop mbar Flow rate l h 1200 1100 1000 900 800 700 600 500 400 300 200 100 0 250 500 750 1000 1250 1500 1750 2000 2250 3000 2500 2750 1 Fan 2 Gas valve 3 Automatic vent valve 4 Burner...

Страница 11: ...h distribution pumps Boiler discharge head 7 mWC Boiler flow rate 2 m3 h for each heating unit Also consider the pressure drops in the individual circuit PB PZ1 PZ2 V2 V2 THE CONDEXA PRO Boiler does n...

Страница 12: ...Boiler discharge head 7 mWC Boiler flow rate 2 m3 h for each heating unit Recommended p 50 M TYPE A 100M S TYPE B 100M 100S TYPE C PB PZ1 PZ2 V2 V2 With this configuration the pump in the low temperat...

Страница 13: ...4 5 6 7 8 9 800 Flow rate m h Pump TYPE B 0 I II 100 200 300 400 500 600 700 0 2 4 6 8 10 12 14 16 20 1100 18 800 900 1000 Residual head mbar Flow rate m h Pump TYPE C 0 I II 100 200 300 400 500 600...

Страница 14: ...tral pump 3 J4 1 J2 J9 J8 J10 R4 2 4 3 J3 J6 J5 J7 F1 Fuse 3 15 A 1 R6 R5 MC R3 R2 1 5 6 3 4 2 On Max valve 2 3 Alarm Common 2 1 J12 2 BUS J14 1 R1 4 3 T1 Ebus remote cont 24V remote cont Common 8 9 A...

Страница 15: ...W pump PZ1 Pump in zone 1 high temperature PZ2 Pump in zone 2 low temperature VM Mixing valve CR Remote control accessory IA Analogue input SB DHW probe SZ1 Probe in zone 1 SZ2 Probe in zone 2 SE Outs...

Страница 16: ...a m v n g b m 4 7 8 a 4 J11 3 1 3 4 2 2 J1 7 5 6 6 5 a m m 5 J6 J14 J2 1 2 3 J15 gv a m gv gv gv a m 3 m a gv gv 230V 50Hz SLAVE 1 EA ER IG1 TS SM SR SF J10 J17 VG a 13 m PD m a 6 C to main earth pole...

Страница 17: ...m PD VG m a 6 C Line Neutral Earth Earth Earth Gas Valve Safety thermostat Diff pressure switch Hall sensor common Blower Hall sensor imput Blower Hall sensor power Flue gas NTC Return NTC Outlet NTC...

Страница 18: ...g mode 3 Reset button Master 4 Boiler lockout signal 5 Button for selecting the parameters 6 Display 7 Save button 8 Button to increase values 9 Button to decrease values 10 SECOND heating unit switch...

Страница 19: ...wo way valve When the last burner has shut down the valve closes only when there is no demand from the room thermostat The cascading function to manage the output delive red by the system the minimum...

Страница 20: ...decimal point after the 1st digit on the left flashes Demand from the 2nd circuit The two digits on the right display the outlet temperature T1 E g T1 80 C READOUT MODE TEMPERATURE VALUES AND OPERATI...

Страница 21: ...cuit DHW temperature T3 Outlet temperature in the second circuit or low temperature circuit T6 To change the corresponding set points Press MODE the corresponding value will be displayed and the two d...

Страница 22: ...unit in the system addresses from 1 to 60 Operation Display 1 The boiler is operating with the high temperature circuit at 80 C 2 Press MODE for 5 seconds The display indicates that the values and the...

Страница 23: ...second and third digit will flash 3 Use and to enter the first number in the password on the centre digit E g password X2 4 Press MEMO to save the second number in the password 5 Use and to enter the...

Страница 24: ...ROR MODE The display starts flashing when there is a fault on any of the heating units Proceed as follows to identify the faults PERMANENT LOCKOUT In the event where the burners are in permanent locko...

Страница 25: ...cate Water pressure test certificate Spare parts catalogue Outside probe Kit for conversion from natural gas to LPG Assembly template bThe Installation and operation manual is an integral part of the...

Страница 26: ...compliance with any current standards and low applicable If the combustion air is taken from outside accessories code 5037685135067 and 5037685135074 the room where the boiler is installed CONDEXA PRO...

Страница 27: ...lean the system see the paragraph on Water connections page 28 The manufacturer is not liable for any damage caused by the incorrect flushing treatment and venting etc of the system The condensate dra...

Страница 28: ...on MI RI GAS S MI RI GAS 1 2 The Vokera CONDEXA PRO Boilers are designed and built to be installed in central heating and domestic hot water systems The characteristics of the water fittings are as fo...

Страница 29: ...ides protection against corrosion and fouling bFor additional information on the type and the use of the additives contact Vokera Ltd or a suitable additives manufacture Water connection kits To assis...

Страница 30: ...in com pliance with the standards and the legislation in force as well as with local regulations The pipes used must be rigid and resistant to tempera ture condensate and mechanical stress and airtigh...

Страница 31: ...diameter 50 mm Circular compartment Square compartment MAXIMUM LENGTH OF THE PIPES The maximum equivalent length of the sum of the 50 mm intake pipes and flues is 30 metres with a pressure drop of 2 m...

Страница 32: ...and law applica ble install a neutraliser where required by law bSpecific pipes for condensing boilers must be used For installation follow the instructions provided with the kit Drain trap along the...

Страница 33: ...g terminals For the CONDEXA PRO 100 S boiler only the Bus cable needs to be connected see the wiring diagram on page 16 To do this Move the main system switch to off Unscrew the fastening screws 1 on...

Страница 34: ...thermal overload swit ch mains disconnecting switch compliant with the CEI EN standards minimum contact opening 3 mm 2 respect the connection L Line N Neutral Leave the earth wire around 2 cm longer t...

Страница 35: ...cable must be separate from the power cables 230Vac The correct positioning of the outside probe is fundamental for the correct operation of the climate control function The probe must be installed ou...

Страница 36: ...on the automatic vent valve valves 2 two or three turns Open the filling valve on the system until the pressure shown on the pressure gauge is 1 5 bar Close the filling valve again bThe air is vented...

Страница 37: ...er fit tings Connect a plastic hose to the drain cock 4 on each heating unit and open the cock bBefore opening the drain cock 4 protect the elec trical devices underneath against water spillage Emptyi...

Страница 38: ...vessel is suitably pre charged The electrical connections have been performed cor rectly bThe pumps should be connected by installing sui table contactors with manual emergency operation Check that t...

Страница 39: ...es from the third boiler on To do this see the paragraph Setting the addresses for cascading configurations on page 54 Set the room thermostats in the high and low tempera ture zone to the desired tem...

Страница 40: ...ied person Press SEL button twice the DHW temperature will be displayed preceded by the symbol 3 Press MODE the corresponding set point will be displayed and the two digits on the right will flash To...

Страница 41: ...y pres sing RESET Type E errors which are deactivated when the causes are no longer present see ERROR MODE on page 24 and the Fault codes paragraph on page 56 When ignition is complete check that the...

Страница 42: ...S SUPPLY PRESSURE Move the main system switch to off Unscrew the fastening screws 1 on the front panel 2 Pull the base of the panel 2 outwards and then upwards to release it from the frame and then re...

Страница 43: ...the boiler Press MEMO to exit TEST mode Disconnect the pressure gauge and tighten the screw on the pressure test point 3 upstream of the gas valve CHECKING COMBUSTION Power up the boiler by moving th...

Страница 44: ...based on the type of gas and the length of the flue L This information is managed by parameter 36 To change the settings Enter INSTALLER PROGRAMMING MODE following the procedure described on page 23 a...

Страница 45: ...and will be valid after 3 seconds For a detailed description of all the parameters and the default values see page 58 The following functions can be set for central heating 1 Setpoint_T_CH_High Set p...

Страница 46: ...entral heating priority parameter 16 If this is set to 0 the system works without central heating priority that is with the high temperature and low tempe rature circuit served in parallel If set to 1...

Страница 47: ...sent Pre set to 0 3 DHW_Priority Domestic hot water priority parameter 9 0 Sliding priority A The purpose of the sliding priority A function is to allow the system to also serve the central heating fu...

Страница 48: ...Manifold Temperature Set point Stop hysteresis The stop hysteresis can be set CH_High_mod_Hyst_off Par 20 pre set to 3 between 0 and 20 C When the attenuation in the high temperature circuit paramete...

Страница 49: ...ers are off when Manifold Temperature Set point Stop hysteresis The stop hysteresis can be set CH_Low_mod_Hyst_off Par 27 pre set to 3 between 0 and 20 C When the attenuation in the low temperature ci...

Страница 50: ...l_mode Cascading management parameter 33 To manage the output delivered by the system two cascading strategies are available In both cases the Master controller can only start a new burner when anothe...

Страница 51: ...nd intervals Low load The low load function prevents the burners from stating and stopping when there is a low heating demand The con ditions for the activation of the Low Load function are checked on...

Страница 52: ...h_high_mod_hist_on Par 19 Outlet Temp Setpoint_Ch_low Par 3 Ch_low_mod_hist_on Par 26 The burner stops when Outlet Temp Setpoint_Ch_high Par 1 Ch_high_hist_off Par 20 Outlet Temp Setpoint_Ch_low Par 3...

Страница 53: ...um if D_T D_T_max burner off MANAGEMENT OF THE MIXING VALVE The mixing valve is controlled by the following parameters Mix_valve_step_open_time Par 28 pre set to 5s Mix_valve_step_close_time Par 29 pr...

Страница 54: ...ve generators are connected to a master there are two blocks the first made up of four slave gene rators and the second of one slave generator Consequently the addresses should be set as follows Ident...

Страница 55: ...f seven slave generators there are two blocks the first made up of four generators and the second of three Therefore two blocks need to be configured with address 1 and 2 respectively and the generato...

Страница 56: ...ally If any one of these errors occurs the red LED comes on see ref 4 on page 18 N Error Description E 02 NTC1 open or not connected NTC1 outlet sensor Probe manifold not connected E 04 NTC3 OPEN Stor...

Страница 57: ...Flue gas sensor error for having exceeded the max flue gas temperature with this error the fan operates at maximum speed A 20 The flame is extinguished too late after the gas valve closes A 24 Fan er...

Страница 58: ...er DHW differential 13 N _bruc_DHW 1 60 60 Maximum no of burners in DHW 14 CH_type_high 0 3 1 0 Fixed temperature 1 Climate with outside probe 2 0 10 Vdc for heat output 3 0 10 Vdc for temperature 15...

Страница 59: ...al_time 0 255 5 s Mixing valve delay 31 Mixing_p_hyst 0 255 2 C Hysteresis for maximum valve opening 32 Mixing_still_hyst 0 255 2 C 33 Power control mode 0 1 1 0 Minimum number of burners 1 Maximum nu...

Страница 60: ...l 2 Pull the base of the panel 2 outwards and then upwards to release it from the frame and then remove it Set parameter 36 to 3 or 4 according to the length L of the flue 3 L 15 m 4 L 15 m The fan sp...

Страница 61: ...ve the G20 gas label from the inside of the frame 4 6 5 6 75 5 Country of destination Type of appliance Boiler category II2H3 Gas supply pressure G20 G30 G31 20 mbar 28 30 37 mbar Manufacturer setting...

Страница 62: ...decreases the CO2 value so as to achie ve a value of 9 4 for G20 and 10 7 for G30 G31 CO2 ADJUSTMENT AT MINIMUM OUTPUT Press the MODE and buttons together for 5s The boiler will operate at minimum ou...

Страница 63: ...rature circuit are started the second starts the pump and the burner if after 10 minutes the temperature in the manifold 5 C a burner is started at maximum output until the temperature in the manifold...

Страница 64: ...Disconnect the power supply by moving the main system switch to off Close the fuel valve Before performing any cleaning operation disconnect the power supply by moving the main system switch to off OU...

Страница 65: ...o release it from the frame and then remove it Turn the control panel 3 90 C and take out the four screws 4 so as to remove the rear cover The terminal block 5 and the boards can now be accessed Maste...

Страница 66: ...he Master board refer to the wiring diagram on page 14 to restore the connections Once the servicing operations have been completed reassemble the components in the reverse order Dismantling the fan R...

Страница 67: ...e fan 6 to the air conveyor 9 Unscrew the four screws 10 that fasten the fan assembly 6 to the exchanger using a 10 mm socket wrench Remove the gasket 11 and remove the burner 12 Remove the electrode...

Страница 68: ...65 and identify the condensate drain trap 14 Remove the safety pin 15 remove the corrugated condensate drain pipe remove the drain trap and dismantle it using the two screw caps 16 Remove the float 1...

Страница 69: ...tion Flue gas circuit Smell of unburned gas Check The tightness of the joints The absence of obstructions The quality of combustion Gas valve Check that 230 Vac is present at the terminals on the gas...

Страница 70: ...ontroller Check correct operation Check set temperature No water Check vent valve Check pressure in central hea ting circuit Air in the system The heat generator reaches the temperature but the centra...

Страница 71: ...mp Replace the pump Check the electrical connections to the pump System expansion vessel Check efficiency Pressure in heating system circuit Check charge pressure Check pressure reducer System safety...

Страница 72: ...CONDEXA PRO 72...

Страница 73: ...CONDEXA PRO 73...

Страница 74: ...CONDEXA PRO 74...

Страница 75: ...CONDEXA PRO 75...

Страница 76: ...es vokera co uk www vokera co uk www vokera ie Sales General Enquires T 0844 391 099 F 0844 391 0998 Vok ra Ireland West Court Callan Co Kilkenny T 056 7755057 F 056 7755060 Vok ra Limited reserve the...

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