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Navien NCB-24LDWE, Руководство по установке и эксплуатации

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These appliances are for use with natural gas or LPG. 
(An LPG conversion kit is included with the boiler.)

 

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Type: B23-B33-B53-C13-C33-C43-C53-C63-C83

Gas

Model

GC Number

Natural Gas

NCB-24LDWE
NCB-28LDWE
NCB-34LDWE
NCB-40LDWE

47-709-01
47-709-02
47-709-03
47-709-04

LPG

NCB-24LDWE
NCB-28LDWE
NCB-34LDWE
NCB-40LDWE

47-709-05
47-709-06
47-709-07
47-709-08

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eep

 

this

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near

 

this

 

boi

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er

 

for

 

future

 

reference

 

whenever

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aintenance

 

or

 

service

 

is

 

re

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uired.

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ation

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WARNING

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f the infor

m

ation in these instructions is not followed exactly, a fire or explosion 

m

ay 

result, causing property da

m

age or personal injury.

 

–

Do not store or use petrol or other flammable vapours and liquids in the vicinity of this or any 
other appliance.

 

–

WHAT TO DO IF YOU SMELL GAS

 

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Do not try to light any appliances.

 

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Do not touch any electrical switch; do not use any phone in your building.

 

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Imm

ediately call the National Gas E

m

ergency Helpline on (Freephone) 0800 111999 or your gas 

supplier fro

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 a neighbour’s phone. Follow the instructions received.

 

–

Installation and service must be performed by a Gas Safe registered installer, service agency or 
the gas supplier.

Condensing Co

m

bi Boiler

Содержание NCB-24LDWE

Страница 1: ...NG If the information in these instructions is not followed exactly a fire or explosion may result causing property damage or personal injury Do not store or use petrol or other flammable vapours and...

Страница 2: ...tems 32 6 5 Measuring Flue Length 34 6 6 Terminating the Flue 34 7 Setting the DIP Switches 35 7 1 PCB DIP Switches 35 7 2 Front Panel DIP Switches 35 8 Connecting Electrical Supplies 36 8 1 Accessing...

Страница 3: ...bour s phone call your gas provider and follow their instructions If you cannot reach your gas provider call the fire department Do not return to your home until authorised by your gas supplier or the...

Страница 4: ...explosion Do not place combustibles such as newspapers or laundry near the boiler or flue system Doing so may result in a fire Do not place or use hair sprays spray paints or any other compressed gas...

Страница 5: ...C Very low scald risk CAUTION Do not turn on the boiler unless the water and gas supplies are fully opened Doing so may damage the boiler Do not turn on the water if the cold water supply shut off va...

Страница 6: ...LPG conversion is required use the conversion kit supplied with the boiler and attach the item matching the LPG GC No included in the kit The Codes of good practice and regulations refer to the lates...

Страница 7: ...no longer wish to use the boiler disable any parts that could be potentially hazardous A B C D E F G 2015 811 2013 dB kW A A A B C D E F G A A KD Navien NCB 24LDWE XL 20 40 Installation Operation Man...

Страница 8: ...urner switched on 0 1 0 1 0 1 0 1 Heat loss through the chimney with burner switched on 1 6 1 8 1 5 1 9 Seasonal efficiency rate SEDBUK 2009 89 0 89 1 89 0 89 1 NOx Classification Class 5 Category II2...

Страница 9: ...elbow length 90 60 100 m 1 3 Equivalent elbow length 45 60 100 m 1 0 Max horizontal coaxial length 80 125 m 68 Max vertical coaxial length 80 125 m 70 Equivalent elbow length 90 80 125 m 2 2 Equivale...

Страница 10: ...6 In standby mode PSB kW 0 003 0 003 0 003 0 003 Other items Standby heat loss Pstby kW 0 080 0 080 0 084 0 084 Ignition burner power consumption Pign kW Annual energy consumption QHE GJ 37 43 52 57 S...

Страница 11: ...iagram shows the key components of the boiler Component assembly diagrams and particular parts lists are included in the Appendices Fan Motor Front Panel Flue Duct Ignitor Flame Rod Circulation Pump C...

Страница 12: ...enturi Mixing Chamber Air Pipe APS Primary Heat Exchanger Secondary Heat Exchanger Return Adapter Filter Assembly 3 way Valve Space Heating Return Pressure Relief Valve Space Heating Supply DHW Inlet...

Страница 13: ...About the Boiler 13 NCB 40LDWE Fan Motor Front Panel Flue Duct Ignitor Flame Rod Circulation Pump Condensate Trap Mounting Frame PCB...

Страница 14: ...enturi Mixing Chamber Primary Heat Exchanger Secondary Heat Exchanger APS Pressure Relief Valve Return Adapter Filter Assembly Space Heating Supply DHW Inlet Space Heating Return DHW Outlet Hot Water...

Страница 15: ...Connections Description Diameter A Flue exhaust Air intake 60 100 80 125 B Space heating supply 22 mm C Hot water outlet DHW 15 mm D Gas supply inlet 22 mm E Cold water inlet DHW 15 mm F Space heatin...

Страница 16: ...ad and the applicable outdoor temperature ranges Note To connect the outdoor temperature sensor to the boiler carefully follow the connection instructions provided in the 12 5 Outdoor Temperature Sens...

Страница 17: ...ot water 2 The electronic control modulates the burner output in order to constantly produce hot water at the temperature required 3 When there is no further DHW demand the burner switches off and the...

Страница 18: ...E boiler in its final location A detailed description is given of the procedure in the sequenced sections below Wall mounting Gas connection Electrical connections DIP switch settings Final check Wate...

Страница 19: ...System on page 23 Adequate Drainage The boiler produces a significant amount of condensate during operation This condensate must be removed from the boiler and suitably treated if national legislatio...

Страница 20: ...iler in areas where petrol or other flammables are used or stored Ensure that combustible materials are stored away from the boiler and that hanging laundry or similar items do not obstruct access to...

Страница 21: ...h the tongues on the mounting bracket and hang the boiler on the bracket When mounted with the mounting bracket the boiler will have a 16 mm clearance from the back of the wall WARNING The boiler is h...

Страница 22: ...and cause leaks Any dirt in the tubes could reduce boiler efficiency and cause it to malfunction Any pipes exposed to the elements or which could freeze in winter must be insulated with suitable insu...

Страница 23: ...H of 3 5 Follow all local codes and regulations when disposing of condensate from the boiler We recommend draining the condensate into a laundry tub as the alkali in laundry detergent will neutralise...

Страница 24: ...he 13 mmfitting at the bottom of the boiler Use only corrosion resistant material for the drain line such as PVC or CPVC Do not reduce the size of this fitting or the drain line to less than 13 mm 2 P...

Страница 25: ...e normally after performing an air purge 4 7 Testing the Water System WARNING Ensure that the boiler is full of water before firing the burner Operating the unit without filling it will damage the boi...

Страница 26: ...lowing recommendations must be complied with at the least Before installing the gas pipes check the type of gas is compatible with the boiler Check that the gas meter in the home can measure the rate...

Страница 27: ...lace away from direct sunlight It must also be thoroughly secured to prevent it from tipping over which could cause an explosion If the boiler is used with propane a gas regulator suitable for this ty...

Страница 28: ...iring rate check the inlet gas pressure reading on the manometer The gas pressure must fall within the ranges specified on page 8 3 Leave the faucet on until the boiler shuts down due to a lack of gas...

Страница 29: ...connecting the flue outlet must be correctly joined using sealing gaskets Ensure that there are no leaks from any part of the removal circuit Switch off the boiler and wait for the pipes to cool down...

Страница 30: ...ear any overhangs 6 2 Selecting a Flue System WARNING The gas removal ducts must not be in contact with or near flammable materials and they must not pass through any structures or walls of buildings...

Страница 31: ...00 or 1 000 851 140 min Wall Extended Removal System 80 125 Max length A B 1 x 90 elbow 68 2 2 65 8 m 60 100 Max length A B 1 x 90 elbow 20 1 3 18 7 m B A 80 125 Max length A B 1 x 45 elbow 68 1 67 m...

Страница 32: ...System 80 125 Max length A B 1 x 45 elbow 70 1 69 m 60 100 Max length A B 1 x 45 elbow 21 1 20 m A B Minimum 350 mm Pipe Diameter mm Maximum Length m Elbow Equivalent Length m 60 100 21 45 1 0 80 125...

Страница 33: ...110 2 x 1 4 107 2 m D C A B Minimum 370 mm Pipe Diameter mm Maximum Length m Elbow Equivalent Length m 80 80 110 45 1 4 Extended Removal System 80 80 Max length A B C D E F 4 x 90 elbow 110 4 x 2 2 10...

Страница 34: ...l terminal The total length of the tubes must not exceed the maximum value defined If the removal installation includes elbows while calculating the total length you must take into account that each e...

Страница 35: ...DHW MAX 1 ON 2 OFF 40LDWE DHW 2 stage MAX 24 28 34 LDWE MIN 1 OFF 2 ON 40LDWE 1 stage MIN 24 28 34 LDWE Heating MAX 1 ON 2 ON 40LDWE Heating 2 stage MAX 3 4 Capacity 24LDWE 3 OFF 4 OFF 28LDWE 3 ON 4...

Страница 36: ...y regulations applicable at the time of installation Note The NCB LDWE boiler has an electrical protection degree of IPX5D The electrical connection must be made via a bipolar switch located on the sa...

Страница 37: ...tions are taken into account 1 Remove the cap A from the cable gland on the underside of the boiler A 2 Remove the black silicon seal B from the cable gland and thread it onto cable C B C 3 Insert cab...

Страница 38: ...ctor for the Navien Smart Room Controller on the back of the front panel terminal connection at the terminal block is not required Simply connect the Navien Smart Room Controller cable to the 2 pin co...

Страница 39: ...ngeover check the gas inlet pressure Check that the gas circuit is hermetically sealed Check that the control panel is working correctly Check that it functions normally when the boiler is switched on...

Страница 40: ...n is pressed the current temperature setting will be stored automatically Note Take note of the original heating temperature in case you want to restore it to the default The default space heating tem...

Страница 41: ...u want to restore it to the default The default space heating temperature range is 30 C to 65 C The boiler will retain your settings during a power outage 10 2 2 Adjusting the DHWTemperature WARNING B...

Страница 42: ...se 1 Finned tube baseboard 2 FAN coil 3 Cast iron baseboard 4 Low mass radiant 5 High mass radiant 6 Radiator 7 Custom set by installer Boost interval time set by installer Space heating water pressur...

Страница 43: ...ed automatically Press and hold the Reset button in Parameter Edit mode for 5 seconds to reset individual parameters to their default values When you reset one of the following parameters the correspo...

Страница 44: ...y Control Absolute MIN MAX set point Return Control Absolute MIN MAX set point User defined Heat loads 1 6 show the preset temperature ranges based on the load type selected while heat load 7 provides...

Страница 45: ...tes in the Normal mode the max space heating capacity is limited to the set value Space Heating Max Heat Capacity Setting Range Range Remarks Space Heating Min Heat Capacity set point 20 100 Default 1...

Страница 46: ...ault DHW Min Heat Capacity Setting the Min Heat Capacity for Space Heating Display Description Space heating min heat capacity This menu is used to configure the desired space heating capacity When th...

Страница 47: ...rks MIN set point 20 C 90 C Default 90 C Setting the DHW WaitTime Display Description DHW wait time min The DHW wait time is the duration that the boiler maintains the DHW supply mode after a DHW dema...

Страница 48: ...s menu may be used to set the burning acceleration time Default 3 min Range 0 20 min Setting the Supply Absolute MINTemperature Display Description Supply absolute Min set point C This menu can be use...

Страница 49: ...ler If an error message appears reset the boiler to resolve the problem To reset the boiler press the Reset button If resetting the boiler does not solve the problem refer to the Troubleshooting secti...

Страница 50: ...ll need to drain either both the space heating side and domestic hot water DHW side or one side only before performing maintenance tasks such as cleaning the adapter filter or to prevent the boiler fr...

Страница 51: ...ong as the electric supply is still connected Do not close the gas valve except for routine maintenance as this will limit additional freeze protection If the boiler will not be used for an extended p...

Страница 52: ...beginning of every heating season and or when there is a problem 11 5 Maintenance Schedules Owner maintenance Daily Check boiler area Check pressure temperature gauge Monthly Check flue piping Check...

Страница 53: ...may also cause severe property damage 1 Inspect all water and gas piping and verify to be leak free 2 Look for signs of leaking lines and correct any problems found Checking the Flue System and Air P...

Страница 54: ...Remind the owner to follow the proper shutdown procedure and to schedule an annual start up at the beginning of the next heating season WARNING Failure to inspect for the above conditions and have th...

Страница 55: ...responsible for the connection utilization repair or servicing of gas utilization equipment or accessories who is experienced in such work familiar with all precautions required and has complied with...

Страница 56: ...8 With the internal components exposed locate the gas inlet pipe and the gas valve in the middle of the unit as shown in Figure 2 1 and Figure 2 2 Gas Valve Gas Inlet Pipe Figure 2 1 NCB 24 28 34LDWE...

Страница 57: ...screws here Location A Loosen the hex nut here Figure 3 2 Detaching Gas Inlet Pipe from Gas Valve and Fan Motor Assembly NCB 40LDWE Once the Gas Orifice is exposed remove the two screws that hold the...

Страница 58: ...ng must be in good condition and must be installed Failure to comply will cause a gas leak resulting in severe personal injury Replace the old Orifice piece with the new part for use with LP gas Ensur...

Страница 59: ...o properly set the DIP switches could cause carbon monoxide poisoning resulting in severe personal injury 14 Turn on the gas and water supply to the boiler 15 Measure and adjust the gas air ratio a Lo...

Страница 60: ...at low fire If the CO2 value is not within 0 5 of the value listed in Table 2 the gas valve set screw will need to be adjusted If adjustment is necessary locate the set screw as shown in Figure 8 Usin...

Страница 61: ...anel Note When removing the front panel label all wires and make sure all wires are disconnected 12 2 Cleaning the Heat Exchanger WARNING Before cleaning the heat exchanger make sure the boiler is off...

Страница 62: ...s pipe Remove 2 screws here Loosen the hex nut here NCB 24 28 34LDWE Remove 4 screws here Loosen the hex nut here NCB 40LDWE 8 Remove the screw connecting the fan motor assembly and the mixing chamber...

Страница 63: ...important to keep electric parts of the boiler safe from water Navien recommends to use a hose If the water pressure of the hose is too high water may splash to other electric parts of the boiler Kee...

Страница 64: ...XT Tank Temp Sensor HEATING Supply Temp Sensor HEATING Return Temp Sensor B B B B B B B B Exhaust Temp Sensor B B COLOR CODE B Blue BK Black BR Brown O Orange R Red W White Y Yellow YG Yellow Green P...

Страница 65: ...Appendices 65 12 4 Ladder Diagram 3 15A...

Страница 66: ...ensor is on a North or Northeast side of a structure under eaves where the sensor is shielded from direct sunlight Avoid placing sensor in close proximity of heat sources that may affect correct tempe...

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Страница 68: ...SKRQH 1R DV VDIH UHJLVWHU 1R 5HFRUG W PD UDWH 2 SSP AND 2 W PLQ UDWH KHUH 3RVVLEOH 2 SSP AND 2 RPPHQWV 6LJQDWXUH SERVICE 04 DWH QJLQHHU QDPH RPSDQ QDPH 7HOHSKRQH 1R DV VDIH UHJLVWHU 1R 5HFRUG W PD UDW...

Страница 69: ...Memo...

Страница 70: ...Memo...

Страница 71: ...Memo...

Страница 72: ...uk For warranty service always contact an official Technical Assistance Service TAS first Contact the technician or professional who installed your boiler Contact a Gas Safe Registered engineer When c...

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