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Boiler Specification 3

Instructions for Installation and Servicing turboMAX pro R3

5

turboMAX pro 24/2 E

turboMAX pro 28/2 E

Units

(VUW GB 242/2-3)

(VUW GB 282/2-3)

Maximum CH heat input (net)

29.7 (101.000)

31.1 (106.200)

kW (Btu/h)

CH heat output range (80/60 °C)

8.9 - 24

10.4 - 28

(30.400 - 81.900)

(35.500 - 95.500)

kW (Btu/h)

Maximum DHW heat input (net)

26.7 (91.200)

31.1 (106.200)

kW (Btu/h)

SEDBUK Band

D

D

SAP Seasonal Efficiency

79.6

79.7

%

DHW heat output

24

28

kW

DHW flow rate 

T = 35 °C rise

9.8

11.5

l/min

DHW flow rate at factory set 

temperature rise (

T 42 °C)

8.2

9.5

l/min

Mains water pressure required 

for max. flow rate

0.5

0.5

bar

Minimum water flow rate

1.5

1.5

l/min

Mains water pressure required 

for min. flow rate

0.15

0.15

bar

Maximum inlet water pressure

10

10

bar

Inlet gas working pressure 

required (natural gas)

20

20

mbar

Gas supply (G20) Gross CV (s.t.)

37.8

37.8

MJ/m3

Gas burner pressure max. rate  (natural gas)   G 20

9.8

10.8

mbar

(LPG 3+)   G 30/31

28 - 30/37

28 - 30/37

mbar

Gas burner pressure ignition rate G 20

1.9

1.8

mbar

G 30/31

3.9/5.4

3.8/5.3

mbar

Gas rate max. (DHW)

-

2.8

3.3

m3/h

CH temperature flow range

35 - 82

35 - 82

°C

Minimum CH water flow 

(for 20 °C rise)

1032

1203

l/h

Pump pressure available

0.25 (25)

0.25 (25)

bar (KPa)

Expansion vessel 

pre-charge pressure

0.75

0.75

bar

Maximum CH system pressure

3

3

bar

Weight

42

45

kg

Primary water content

2.0

2.0

l

Electrical supply

230/50

230/50

V~/Hz

External fuse

3

3

A

Power input

150

150

W

Case height

800

800

mm

Case width

440

440

mm

Case depth

338

338

mm

3 Boiler Specification

3.1 Technical Data

833792_41GB_012005.qxd  09.03.2005 16:47 Uhr  Seite 5

Summary of Contents for turboMAX pro 24/2 E

Page 1: ...he installer 24 2 E 28 2 E GB Instructions for Installation and Servicing turboMAX pro Wall hung room sealed fan assisted combination and system boilers 833792_41GB_012005 qxd 09 03 2005 16 47 Uhr Sei...

Page 2: ...oving boiler casing 14 5 7 Gas supply 14 5 8 Cold water mains inlet and hot water outlet 15 5 9 Central heating flow and return pipework 15 5 10 Connect the flue system to the boiler 16 5 11 Electrica...

Page 3: ...ith unit turboMAX pro 8 7 6 1 2 5 4 I 0 3 9 10 Item Quantity Description 1 1 Boiler 2 1 Flue restriction ring 3 1 Cold water inlet valve 4 3 Flow and return service value gas service valve 5 5 Copper...

Page 4: ...ns The boiler contains a domestic hot water heat exchan ger The temperature in the heat exchanger is limited by the boiler control system and it is not necessary to install a scale reducer on the cold...

Page 5: ...low rate 0 15 0 15 bar Maximum inlet water pressure 10 10 bar Inlet gas working pressure required natural gas 20 20 mbar Gas supply G20 Gross CV s t 37 8 37 8 MJ m3 Gas burner pressure max rate natura...

Page 6: ...low switch 21 Main on off control 22 Pressure gauge 23 Indicator lights 24 Expansion vessel 25 Expansion vessel charging valve 26 Circulating pump 27 Automatic air vent 28 Ignition electrode 29 Temper...

Page 7: ...ler The boiler may be installed in any room although particular attention is drawn to the requirements of BS7671 IEE Regulations and in Scotland the electrical provisions of the Building Standards Sco...

Page 8: ...s Fig 4 4 Art No 303 609 70 1103 70 15 800 Instructions for Installation and Servicing turboMAX pro R3 8 4 4 1 Top outlet flue system 100 mm outside diameter The top outlet horizontal flue system Art...

Page 9: ...ace in which the boiler is installed 4 6 Cupboard or compartment ventilation The boilers are very high efficiency appliances As a con sequence the heat loss from the appliance casing during operation...

Page 10: ...nnection a sealed system filler pump with break tank must be used The heating system will not be filled automatically from the domestic hot water side Alternative methods of filling sealed systems are...

Page 11: ...r is suitable for use in systems with ther mostatic radiator valves and no additional by pass is required 4 8 8 Venting The boiler is fitted with an automatic air vent Additional provision should be m...

Page 12: ...ion Sequence Instructions for Installation and Servicing turboMAX pro R3 12 5 Boiler Installation Sequence 5 1 General Preparation of boiler location Clearances required Mount the boiler on a flat and...

Page 13: ...k the centre of the selected air flue duct and its cir cumference e g by drilling through the template For installation of a rear exit outlet please refer to the installation instructions of the rear...

Page 14: ...ystem refer to separate air flue duct installation instructions 5 5 Fitting the boiler Lift the boiler 3 up to the wall so that it is slightly above the hanging bracket 1 Note Lift the boiler from eit...

Page 15: ...ework and radiators must be thoroughly flushed to remove any installation debris Connect the central heating flow 4 and return 1 ser vice valves to the appliance 6 and 3 with the washers provided 2 an...

Page 16: ...hed shuttered socket both complying to the requirements of BS1363 Alternatively connection may be made via a 3 A fused double pole isolator having a contact separation of at least 3 mm in all poles an...

Page 17: ...rd layout Socket X2 for internal unit components Socket X4 for minority reversing Socket X7 for accessory box connection Socket X8 for VRC VC connection Room thermostat 230 V connections 3 4 and 5 Mai...

Page 18: ...N E 2 3 4 N E 1 L L 3 5 6 4 N E 2 3 4 N E 1 L L 3 4 L N 2 3 4 L N 3 4 1 L N 2 3 4 L N 3 4 1 A B D L N L N C N E 3 1 2 4 3 4 5 E 1 2 4 4 3 2 L 1 N 3 6 5 mains supply L N E E Landis Staefa RWB7 RWB30 5...

Page 19: ...s have been fitted Circulating pump The boiler incorporates a built in circulating pump that is fully prewired no additional wiring is necessary The pump incorporates an automatic overrun period after...

Page 20: ...6 4 Filling the heating system Proceed as follows to fill the system Open all radiator valves on the system Fill the system via the seperate filling point Open the valve slowly and fill the unit with...

Page 21: ...incorrectly sized or partially blocked gas supply Turn off the hot tap Remove U gauge tighten test point sealing screw 1 Test for soundness Record appliance working gas inlet pressure mbar in the Ben...

Page 22: ...radiator tempera ture control to its highest setting Ensure that any thermostatic radiator valves are open and set to high Wait for approx 2 minutes until the burner pressure switches to full load Th...

Page 23: ...rner jet mark2 for G30 3 8 3 8 5 0 6 7 8 7 10 8 13 1 15 6 18 3 21 2 24 2 7 072 for G31 5 3 5 3 6 9 9 3 11 9 14 8 18 0 21 4 25 1 29 0 33 1 Gas Rate turboMAX pro 24 2 E Delivered gas Output kW 8 9 10 0...

Page 24: ...Secure cover with retaining clamps 7 6 Fit boiler casing Carefully push case 1 onto the boiler such that the locating points either side at the top of the boiler engage Push the casing onto the secur...

Page 25: ...at the burner The ignition indicator 5 will illuminate As soon as the burner has ignited and the flame has been sensed the flame indicator 6 will illuminate I 0 By illuminating in this sequence the i...

Page 26: ...temporary filling connection Refit the boiler casing Attach the bottom cover to the boiler by securing with the four screws provided It may be necessary to apapt the bottom cover by removing the easy...

Page 27: ...tance to earth with a multimeter after any service work and after exchanging any electrical component Note The boiler is fitted with a combustion analysis test point A suitable combustion analyser can...

Page 28: ...rse order Check central heating expansion vessel Note It is not necessary to carry out this check every year a check every three years should be sufficient Release the system water pressure from the b...

Page 29: ...minate in sequence indicating the operational status of the boiler Should a fault develop in the boiler the indicators may flash high lighting the possible fault e g Power on indicator green Illuminat...

Page 30: ...Replace LCD display Yes No Repair external fault Is the continuity across fuse F1 Go to sheet B Does ON OFF knob operate switch on electronic board Boiler ON OFF control defective change electronic bo...

Page 31: ...k red and approx 17 VDC secondary blue brown Check replace pump Replace fuse F1 If fan commences operation exchange gas valve After approx 20 secs Does fuse F1 blow Produce central heating demand Does...

Page 32: ...for heat No Is 230 VAC present across terminals 4 and 5 No External fault Check all external controls are calling for heat replace or repair as necessary see also note 1 sheet A Yes Yes Disconnect bui...

Page 33: ...VAC present across fan terminals Replace electronic board Yes No No Yes No Yes Yes Check replace fan Does the boiler commence ignition Check air flue gas system is correctly fitted and not obstructed...

Page 34: ...y and Does burner light No Replace electronic board Yes Is burner indicator illuminated No Check flame rectification lead and electrode Is burner indicator illuminated No Yes Does burner shut down aft...

Page 35: ...ves are open No No No Replace electronic board No Check operation of boiler in DHW mode does flame increase in size to full rate Yes Check partial load setting No No Go to sheet G Yes Check connection...

Page 36: ...ressure is sufficient and that cold water inlet filter is clear Check cold water inlet is fully open and adjustment is at maximum flow rate Check Clear impeller in Aquasensor replace if necessary Chec...

Page 37: ...Hot water demand indicator Central heating demand indicator Fan operation indicator Ignition indicator Flame indicator Power on indicator green main switchboard ignition electrodes Legend b blue br b...

Page 38: ...NTC earth Ionisation electrode Coding resistor NTC flow NTC return Lifting magnet 24 23 1 12 13 14 15 16 17 18 19 20 21 22 2 3 4 5 6 7 8 9 10 11 Fan unit Ignition electrodes Gas valve Diverter valve...

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Page 44: ...833792_42 GB R3 03 2005 Subject to alteration 833792_41GB_012005 qxd 09 03 2005 16 47 Uhr Seite 44...

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