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10 About the Boiler

General Specifications

Item

NCB-

190/060H

NCB-

190/080H

NCB-

240/110H

NCB-

240/130H

NCB-250/150H

Dimensions

17.3 in (W) x 29.3 in (H) x 12.8 in (D)

Boiler Weight

87 lbs (40 kg)

96 lbs (44 kg)

Boiler Weight with Water

93 lbs (42 kg)

102 lbs (46 kg)

Installation Type

Indoor Wall-Hung

Venting Type

Forced Draft Direct Vent

Ignition

Electronic Ignition

Natural Gas Supply

Pressure (from source)

3.5 in-10.5 in WC

Propane Gas Supply

Pressure (from source)

8.0 in-13.5 in WC

Natural Gas Manifold

Pressure

-0.01 in WC to -0.31 in WC

-0.06 in WC to -0.24 in WC

-0.06 in WC to

-0.26 in WC

Propane Gas Manifold

Pressure

-0.04 in WC to -0.33 in WC

-0.06 in WC to -0.26 in WC

-0.06 in WC to

-0.28 in WC

Flow

Rate

(DHW)

35°F (19°C)

Temp Rise

8.2 GPM

(31.1 L/m)

10.4 GPM

(39.5 L/m)

10.8 GPM

(40.9 L/m)

45°F (25°C)

Temp Rise

6.4 GPM

(24.2 L/m)

7.9 GPM

(30 L/m)

8.4 GPM

(31.8 L/m)

67°F (37°C)

Temp Rise

4.3 GPM

(16.2 L/m)

5.4 GPM

(20.3 L/m)

5.6 GPM

(21.2 L/m)

77°F (43°C)

Temp Rise

3.7 GPM

(14.0 L/m)

4.7 GPM

(17.8 L/m)

4.9 GPM

(18.5 L/m)

Gas Connection Size

3/4 in NPT

Power

Supply

Main Supply

120V AC, 60Hz

Maximum

Power

Consumption

Up to 15 amperes

Materials

Casing

Cold-rolled carbon steel

Heat

Exchangers

Stainless Steel

Venting

Exhaust

2 in or 3 in PVC, CPVC, approved polypropylene*

2 in or 3 in Special Gas Vent Type BH (Class III, A/B/C)

2 in or 3 in Stainless Steel

Intake

2 in or 3 in PVC, CPVC, polypropylene

2 in or 3 in Special Gas Vent Type BH (Class III, A/B/C)

2 in or 3 in Stainless Steel

Vent Clearance

0 in to combustibles

Safety Appliances

Flame Rod, APS, Ignition Operation Detector

Water Temperature High Limit Switch, Exhaust Temperature High Limit Sensor,

Water Pressure Sensor, Burner High Limit Fuse, Vent Installation Detector

Temperature Setting Range

Item

Temperature Setting Range

Remarks

Space

Heating

Supply

77–185°F (25-85°C)

Actual supply and return temperatures vary

depending on the selected outdoor reset curve.

Return

68–158°F (20-70°C)

DHW

86°F-140°F (30°C-60°C)

Note

For more information about the space heating temperature setting range, refer to “11.5.2 Setting the

Space Heating Operation” on page 107.

Содержание NCB-190/060H

Страница 1: ...ch your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier The installation must conform with local codes or i...

Страница 2: ...located in a crawl space unless the appliance is located in a detached uninhabitable garage For all residential dwellings a carbon monoxide detector must also be present on each habitable level of th...

Страница 3: ...titude Conversion 123 12 2 Wiring Diagram 131 12 3 Ladder Diagram 132 12 4 Outdoor Temperature Sensor 133 12 5 Outdoor Reset Control 133 12 6 Component Assembly Diagrams and Parts Lists 135 1 About th...

Страница 4: ...bor 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 authorized by your gas supplier or the...

Страница 5: ...USA and Canada only Using the boiler in any other country will void the manufacturer s warranty WARNING Do not store or use gasoline or other flammable liquids near this boiler Doing so may result in...

Страница 6: ...burns Use the lowest operating temperature setting necessary to provide comfortably hot water If your household has children or elderly or disabled residents consider using a lower temperature setting...

Страница 7: ...emperature Sensor and Cable Spare Parts High Altitude Conversion Kit Natural Gas Only High Altitude Conversion kit and Propane Conversion kit are attached to the inside of Product s case 1 2 Accessori...

Страница 8: ...ent of Energy DOE test procedures 3 The net AHRI water ratings shown are based on a piping and pickup allowance of 1 15 Consult Navien before selecting a boiler for installations having unusual piping...

Страница 9: ...irculation Pump Grundfos UPS 15 78 CIAO2 Part Number 30023987A 0 5 10 15 20 25 30 35 40 0 2 4 6 8 10 12 14 16 18 20 0 2 4 6 8 10 12 14 16 FT of Head P psi Flow Rate GPM NFC Flow Performance Curve NCB...

Страница 10: ...7 GPM 14 0 L m 4 7 GPM 17 8 L m 4 9 GPM 18 5 L m Gas Connection Size 3 4 in NPT Power Supply Main Supply 120V AC 60Hz Maximum Power Consumption Up to 15 amperes Materials Casing Cold rolled carbon ste...

Страница 11: ...ey components of the boiler Component assembly diagrams and particular parts lists are included in the Appendixes Intake Air Ignitor Flame Rod Exhaust Vent Installation Detector Flue Duct Air Vent PCB...

Страница 12: ...anger Secondary Heat Exchanger Pressure Sensor LWCO Water Adjust Valve DHW Exchanger Water Fill Valve Heating Return Domestic Cold Pressure Relief Valve Adapter Fan Motor Dual Venturi High Limit Switc...

Страница 13: ...r Intake 2 in C Exhaust Gas Vent 2 in D Heating Supply 1 in E Domestic Hot in F Gas Connection in G Domestic Cold in H Auto Feeder Inlet Make up Water in I Condensate Outlet in J Heating Return 1 in O...

Страница 14: ...do not install the boiler If conversion to Propane Gas is required the included gas conversion kit must be used Refer to 12 1 Gas High Altitude Conversion on page 123 for details WARNING Ensure that t...

Страница 15: ...supply enters the building Gas the installation location should be near where the gas supply enters the building Electricity the installation location should be near where the electrical supply enters...

Страница 16: ...is at least 12 in 305 mm above ground 12 in 305 mm above the highest anticipated snow level or as required by local codes whichever is greater Maintain a minimum clearance of 4 ft 1 2 m from heating a...

Страница 17: ...the boiler in areas where gasoline 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 a...

Страница 18: ...on its back or put it inside the protective shipping base Install the boiler in the upright vertical position Installation in any other orientation will result in improper boiler operation and proper...

Страница 19: ...e boiler Use one wrench to prevent the connector at the boiler from turning and use the other wrench to tighten the connection Damaged connectors may result in system leaks Properly support the piping...

Страница 20: ...ng with 12 30 psi water pressure at the boiler outlet To obtain the minimum system design pressure follow the piping diagrams illustrated in this section The Navien NCB H boiler s space heating system...

Страница 21: ...mended for unit serviceability Magnetic Filtration The NaviClean magnetic filter is an optional accessory This must be connected to the space heating return in the near boiler piping to protect the bo...

Страница 22: ...nal injury or death Follow all instructions and guidelines when installing the pressure relief valve The valve should be installed only by a licensed professional The pressure relief valve must be ins...

Страница 23: ...potential if the DHW temperature is set too high Be sure to follow the adjustment instructions in the boiler s operation manual About the DHW Quality Proper maintenance of the boiler is required when...

Страница 24: ...p to 250 mg l Total Dissolved Solids TDS Up to 500 mg l Zinc Up to 5 mg l Navien is not responsible for performance issues of the domestic system by scaling or accumulation of dirt suitable steps shal...

Страница 25: ...uidelines Ensure that the valve s discharge capacity is equal to or greater than the maximum pressure rating of the boilers DHW system Ensure that the maximum BTU H rating on the pressure relief valve...

Страница 26: ...te drain 1 Connect a drain line to the 1 2 infitting 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...

Страница 27: ...the appliance and the neutralizer must be installed to prevent the backflow of condensate into the appliance Make sure to use a proper neutralizer based on the boiler input rating and or the rate of c...

Страница 28: ...densate runs freely to the drain Ensure all connections are made to prevent the backflow of condensate Use corrosion resistant piping and secure all piping to prevent movement Note Do not install cond...

Страница 29: ...iodically monitor the level of media in the neutralizer and test the pH level at the outlet We recommend an annual pH test using recognized test strips or an electronic pH meter to obtain precise meas...

Страница 30: ...p to 250 mg l Copper Up to 1 0 mg l Iron Up to 0 3 mg l Manganese Up to 0 05 mg l pH 6 5 to 8 5 Sulfate Up to 205 mg l Total Dissolved Solids TDS Up to 500 mg l Zinc Up to 5 mg l Chlorine Up to 4 mg l...

Страница 31: ...olume of the system as well as the firing rate of the appliance It is important to locate the expansion tank and make up water connection on the inlet side of any pump in the system as doing so will g...

Страница 32: ...gravity circulation of the boiler water during the cooling cycle Note The installation of check valves motorized valves or other shutoff appliances other than for the purpose of servicing are not perm...

Страница 33: ...tem On the front panel press the Menu button to enter the setting menu and then select 1 2 Zone Settings 2 Zone Settings 3 6 1 Temperature Control Device Applications NCB H series boilers come with a...

Страница 34: ...gs are intended to explain the system piping concept only Install a NaviClean filter in the system return to remove foreign objects from the system Foreign objects inside the system may result in abno...

Страница 35: ...drawings are intended to explain the system piping concept only Install a NaviClean filter in the system return to remove foreign objects from the system Foreign objects inside the system may result...

Страница 36: ...bjects from the system Foreign objects inside the system may result in abnormal system operation Refer to 3 4 Filling the System on page 29 for make up water connections and refer to the requirements...

Страница 37: ...ign objects from the system Foreign objects inside the system may result in abnormal system operation Refer to 3 4 Filling the System on page 29 for make up water connections and refer to the requirem...

Страница 38: ...L N L N L Z3 Z2 Z1 N A H DHW PRI L N L N L N L N L Z3 Z2 Z1 SUPPLY TEMPERATURE SENSOR RETURN OUTDOOR T S_ZONE3 R W C T S_ZONE2 R W C T S_ZONE1 R W C AC24VN AC24VL lLWCO R W C T S_Recir COM NO NC ZONE_...

Страница 39: ...3 Z2 Z1 SUPPLY TEMPERATURE SENSOR RETURN OUTDOOR T S_ZONE3 R W C T S_ZONE2 R W C T S_ZONE1 R W C AC24VN AC24VL lLWCO R W C T S_Recir COM NO NC ZONE_V V3 COM 2 1 Aquastat Recirculation Pump Check Valve...

Страница 40: ...re disconnecting them when you work on the controls Wiring errors can cause abnormal and dangerous operation Verify proper operation after servicing Note The installation must comply with National Ele...

Страница 41: ..._ZONE2 R W C T S_ZONE1 R W C AC24VN AC24VL lLWCO R W C T S_Recir COM NO NC ZONE_V V3 COM NO NC ZONE_V V2 COM NO NC ZONE_V V1 SUPPLY TEMPERATURE SENSOR RETURN OUTDOOR T S_ZONE3 R W C T S_ZONE2 R W C T...

Страница 42: ...ecir COM NO NC ZONE_V V3 COM NO NC ZONE_V V2 COM NO NC ZONE_V V1 Pump Ground SUPPLY TEMPERATURE SENSOR RETURN OUTDOOR T S_ZONE3 R W C T S_ZONE2 R W C T S_ZONE1 R W C 24 VAC N Thermostat Input 24 VAC L...

Страница 43: ...W C AC24VN AC24VL lLWCO R W C T S_Recir COM NO NC ZONE_V V3 COM NO NC ZONE_V V2 COM NO NC ZONE_V V1 Thermostat 3 Thermostat 2 Thermostat 1 N A H DHW PRI L N L N L N L N L Z3 Z2 Z1 Zone pump 1 max 2 5...

Страница 44: ...Z1 Zone pump 1 max 2 5 A Zone pump 2 max 2 5 A Zone pump 3 max 2 5 A Recirculation pump max 2 5 A Pump Ground Recirculation Timer Aquastat or HotButton Push Button N A H DHW PRI L N L N L N L N L Z3...

Страница 45: ...ENSOR RETURN OUTDOOR T S_ZONE3 R W C T S_ZONE2 R W C T S_ZONE1 R W C AC24VN AC24VL lLWCO R W C T S_Recir COM NO NC ZONE_V V3 COM NO NC ZONE_V V2 COM NO NC ZONE_V V1 Thermostat 3 Thermostat 2 Thermosta...

Страница 46: ...2 COM NO NC ZONE_V V1 Recirculation Timer Aquastat or HotButton Push Button Zone valve 3 max 0 75 A Zone valve 2 max 0 75 A Zone valve 1 max 0 75 A 24 VAC N Thermostat Input 24 VAC L Thermostat 3 24 V...

Страница 47: ...p operation The communication link also provides an optimal control environment for freeze protection SUPPLY TEMPERATURE SENSOR RETURN OUTDOOR T S_ZONE3 R W C T S_ZONE2 R W C T S_ZONE1 R W C AC24VN AC...

Страница 48: ...ystem with Zone Valves NCB H SUPPLY TEMPERATURE SENSOR RETURN OUTDOOR T S_ZONE3 R W C T S_ZONE2 R W C T S_ZONE1 R W C AC24VN AC24VL lLWCO R W C T S_Recir COM NO NC ZONE_V V3 COM NO NC ZONE_V V2 COM NO...

Страница 49: ...C ZONE_V V1 N A H DHW PRI L N L N L N L N Z2 Z1 Air Handler SUPPLY TEMPERATURE SENSOR RETURN OUTDOOR T S_ZONE3 R W C T S_ZONE2 R W C T S_ZONE1 R W C Connect the pump wires to the system pump NCB H Sys...

Страница 50: ...mperature Sensor recommended NCB H Cable tie Note To control the boiler supply or return water temperature using the universal temperature sensor configure the system accordingly On the front panel pr...

Страница 51: ...placing the appliance in operation To avoid danger from explosion and fire do not use a flame to check for a gas leak Perform a bubble test on the joints to check for gas leaks If a leak exists bubbl...

Страница 52: ...n of a union on the gas supply line close to the boiler to facilitate any future maintenance or service Check with the local jurisdiction to verify whether the use of 1 2 gas pipe is approved in the a...

Страница 53: ...gulator Single Regulator System Gas Regulator 12 WC Pipe GasTank Full size Gas Pipe Full size Gas Pipe CAUTION Prior to using an excess flow valve EFV in the gasline checkthemanufacturer sminimumand m...

Страница 54: ...230 2 080 1 950 1 840 1 630 3 in 11 300 7 780 6 250 5 350 4 740 4 290 3 950 3 670 3 450 3 260 2 890 4 in 23 100 15 900 12 700 10 900 9 660 8 760 8 050 7 490 7 030 6 640 5 890 In Cubic Feet ft3 per Ho...

Страница 55: ...Gas Pressure WARNING The boiler cannot function properly without sufficient inlet gas pressure Measuring the inlet gas pressure should be performed by a licensed professional only The inlet gas pressu...

Страница 56: ...as pressure must fall within the ranges specified on page 8 To measure the inlet gas pressure 1 Shut off the manual gas valve on the gas supply line Gas Valve Opened Closed 2 Turn on the boiler On the...

Страница 57: ...e combustion air you MUST Remove contaminants permanently or Relocate air inlet and vent terminations to other clean areas The warranty does not cover damage caused by air contaminants If you must ins...

Страница 58: ...leakage which may result in serious injury or death 90 5 1 Venting the Boiler DANGER This appliance is certified as a Category IV appliance and requires a special venting system The vent system will o...

Страница 59: ...05 mm above the highest anticipated snow line or as required by local codes whichever is greater Support the vent pipe with hangers at regular intervals or as required by local codes Exhaust and intak...

Страница 60: ...nstaller s responsibility to install the vent pipe properly and to adequately secure the unit to the wall The vent pipe must be inserted 3 0 in 76 mm into the boiler collar If the vent pipe is not ful...

Страница 61: ...re personal injury and or death Be sure to conduct a visual inspection of the vent pipe before inserting the vent pipe into the boiler collar The portion of the vent pipe inserted into the boiler coll...

Страница 62: ...ly to the outside of the building create an airtight seal from the boiler collar to the vent termination Intake materials can be made of ABS PVC CPVC PP galvanized or stainless steel corrugated alumin...

Страница 63: ...ly open on a minimum of two sides beneath the floor Clearance in accordance with local installation codes and the requirements of the gas supplier To use non direct venting for the boiler 1 Insert the...

Страница 64: ...H NCB 240 110H 199 900 50 in2 10 in W x 5 in H or 8 in round 199 in2 14 1 4 in W x 14 1 4 in H NCB 190 080H 160 000 40 in2 10 in W x 4 in H or 8 in round 160 in2 12 3 4 in W x 12 3 4 in H NCB 190 060H...

Страница 65: ...in 30 cm above opening K Clearance to a mechanical air supply inlet 6 ft 1 83 m 36 in 91 cm above if within 10 ft 3 m horizontally L Clearance above paved sidewalk or paved driveway located on public...

Страница 66: ...NFPA 54 or CAN CGA B149 1 as well as all applicable local codes and regulations when selecting vent pipe materials Do not use cellular core PVC ASTM F891 cellular core CPVC or Radel polyphenolsulfone...

Страница 67: ...vent The use of a tee counts for the same equivalent length as a 90 elbow for the vent size The maximum vent lengths at high altitudes are the same as shown in the table above Hart Cooley Polyflue SW...

Страница 68: ...urations but do not include all possible options The following PVC vent terminations are approved for use with this appliance PVC Concentric Vent Kit Sch 40 2 in Vent Kit 3 in Vent Kit IPEX Low Profil...

Страница 69: ...mm away from the exhaust termination The exhaust termination can be located either on the sidewall or roof Try to minimize the length of the intake air pipe when installing the vent 12 300mm min 12 30...

Страница 70: ...ng 1 25 mm min Combustion Air Combustion Air Maintain 12 300 mm min clearance above highest anticipated snow level or grade whichever is greater Vent Vent Concentric Vertical Venting Combustion Air Ma...

Страница 71: ...n a n a 35 ft 3 in 100 ft n a Only the flexible vent models listed above are approved for use with this appliance All flexible vent pipe must be installed VERTICALLY through the roof No horizontal te...

Страница 72: ...itch Function Setting 1 2 Operation Status Normal Operation 1 OFF 2 OFF 2 stage MAX 1 ON 2 OFF 1 stage MIN 1 OFF 2 ON 1 stage MAX 1 ON 2 ON 6 2 Dip Switch 2 8 switch unit The DIP SW 2 on the circuit b...

Страница 73: ...t 610 m the unit will de rate by 3 for each 1 000 ft 305 m of altitude gain For NG if you install the unit at above 5 400 ft 1 646 m it is required to change the Gas Orifice for high altitude Be caref...

Страница 74: ...cilitate end user maintenance and servicing Connect the boiler to a 110 120V AC at 60 Hz with a maximum of 15 A The boiler must be electrically grounded If using the power plug ensure that the electri...

Страница 75: ...boilers and water heaters The options shown here are only examples The setup you choose will vary based on the installation location local building codes and other factors Follow all applicable regula...

Страница 76: ...page 29 for make up water connections and refer to the requirements of your local codes to ensure compliance Use pumps with integral check valves or install check valves at the pump outlets Adjust the...

Страница 77: ...th up to 15 NPE 240A2 or NPE 240S2Water Heaters Model T 54 F Flow rate GPM Water Velocity ft s Pipe Diameter mm in NCB H NPE 240A2 or NPE 240S2 1 1 14 38 5 61 25A 1 in 2 21 57 5 54 30A 11 4 in 3 28 77...

Страница 78: ...Return Line Is Installed Connect the domestic hot water return line to the desired number of NPE A2 water heaters Set each unconnected NPE A2 water heater to Internal Recirculation Mode The NCB H boi...

Страница 79: ...A2 Installation Manuals for additional details The NCB H boiler should be set to Combi Pre heat Mode Domestic Cold Water Supply NPE A2 Ball Valve Solenoid valve Pressure Relief Valve Faucet Check Valv...

Страница 80: ...ing the Communication Cables You can connect one NCB H boiler with up to 15 Navien water heaters NPE A2 or NPE S2 Model using the Ready Link communication cables Select the NCB H series combi boiler i...

Страница 81: ...peration To reassign the main NCB H boiler repeat steps 1 5 3 On the sub NPE A2 water heater panel press and hold the OK button for 3 seconds on the sub unit Then the ID 1 Allocated message will appea...

Страница 82: ...ly inspect it for punctures cracks or blockages prior to connecting it to the boiler unit Horizontal vent pipe runs must be supported every 4 feet 1 2 m minimum All vertical vent pipe runs must be sup...

Страница 83: ...as long as the total allowable vent lengths maximum number of elbows and distances to air intake restrictions are observed If the boiler units will be installed in areas where snow is known to accumu...

Страница 84: ...nt systems or unlisted pipes or fittings All plastic components and specified primers and glues of the certified vent system must be from a single system manufacturer and must not be intermixed with a...

Страница 85: ...tions An impact may break the bond and harmful gas might leak inside the room Vent Pipe Pitch and Supports For horizontal runs slope the horizontal section upward toward the vent termination at a rate...

Страница 86: ...0 71 160 809 700 3 30 53 120 1 009 600 4 96 150 1 209 500 5 80 142 1 409 400 6 68 121 1 609 300 7 60 106 Note Every 90 elbow used is equivalent to 8 linear feet 2 4 m of vent length 9 1 2 Determining...

Страница 87: ...tion must conform with the Manufacture d Home Construction and Safety Standard Title 24 CFR Part 3280 Mobile Homes WARNING If the information in these instructions is not followed exactly a fire or ex...

Страница 88: ...pter 2 Detach the exhaust vent adapter 3 Connect the Common Vent Collar Kit to the exhaust duct of the boiler unit Maintenance Port Navien Common Vent Collar Kit has a maintenance port to allow you to...

Страница 89: ...vent pipe into the vent collar to start the vent run Make sure to completely slide the vent into the collar until the end makes contact with the bottom of the socket Note Verify that 1 1 2 of the pip...

Страница 90: ...p solution bubbles will form on the connection if any leaks exist CAUTION Do not start the vent run with a street elbow at the vent collar Using a street elbow directly at the collar will not allow fo...

Страница 91: ...trunk pipe to each side of the wye joint or wye assembly Each trunk pipe is connected to the other wye joint or wye assembly Refer to Connecting Pipes with Cement on page 85 for more information DANGE...

Страница 92: ...tem Refer to the following figures when setting the common vent type To view and configure the cascade settings press the Back button and the Menu button simultaneously for 3 seconds and then select 4...

Страница 93: ...he condensate drain hose prevents condensate or rain from entering the exhaust system and gathering above the Common Vent Collar Kit The exhaust vent must be sloped down towards the drain to prevent w...

Страница 94: ...be deformed and the flow will be restricted if the tie is too tight 2 Prime the loop using tap water The water inside the hose should be higher than 7 9 in 200 mm and water should be inside the hose b...

Страница 95: ...tuh 3 kW and 50 000 Btuh 15 kW 12 in 30 cm for appliances 50 000 Btuh 15 kW C Clearance to permanently closed window As specified by the manufacturer As specified by the manufacturer D Vertical cleara...

Страница 96: ...r veranda porch deck or balcony 12 in 30 cm As specified by the manufacturer The manufacturer shall specify a minimum clearance or state Not applicable in the table and or instructions 1 The minimum d...

Страница 97: ...ort check the operating condition of the damper plate inside the Common Vent Collar Kit Damper plate is OPEN Damper plate is CLOSED 3 Reinstall the gasket and maintenance port cover and then fix them...

Страница 98: ...piping clear of combustible materials including clothing cleaning materials and rags Connecting the Gas Supply Yes No Does the gas supply match the type specified on the boiler s rating plate Is the...

Страница 99: ...e top of the boiler Have you installed a discharge drain tube from the pressure relief valve to within 6 12 in 150 300 mm of the floor Connecting the Condensate Drain Yes No Have you installed a conde...

Страница 100: ...tch to facilitate end user maintenance Have you checked the polarity of the electrical connection PCB DIP switch setting DIP SW 2 set of 8 Yes No Gas type Is switch 1 set correctly for LP ON or NG OFF...

Страница 101: ...liance if any parts have been under water Immediately call a licensed professional to inspect the appliance and to replace any part of the control system and any gas control which has been under water...

Страница 102: ...r and around the boiler for gas odorant or any unusual odor Remove the boiler front door and smell interior of boiler enclosure Do not proceed with startup if there is any indication of a gas leak If...

Страница 103: ...heating temperature is highlighted on the screen 11 3 Start Up Wizard The setup wizard should run the first time the unit is powered on The wizard must be completed before the boiler can be used 1 Se...

Страница 104: ...e 5 Press the Back button to return to normal operation mode or rotate the Command dial to adjust other operation conditions You can adjust the temperature while the highlighted section is flashing On...

Страница 105: ...p Space heating set temperature F 4 DHW Set Temp DHW set temperature F 5 Press the Command dial to confirm the new temperature 6 Press the Back button to return to normal operation mode or rotate the...

Страница 106: ...mperature F If AHU is not connected will be displayed The temperature is displayed by 1 degree increments for Fahrenheit and by 0 5 degree increments for Celsius This is due to the degree control spec...

Страница 107: ...0 C 36 F 20 C Default 5 F 3 C 3 6 Boost Interval Time Set the boost interval time Setting range 0 120 min Default 0 min 4 Navien Zone Controller Enable or disable heating zones utilizing the Navien Z...

Страница 108: ...lling the heating supply water A preset or user defined temperature range is set automatically based on the curve selected Refer to the settings table for details Heat Load Supply Set Point Range Retu...

Страница 109: ...ings in the Configuration menu Note If there is a SH Demand signal during combi pre heat the space heating will take priority Press the Back button to return to the previous screen or menu Item Descri...

Страница 110: ...tion you must set up the Time setting in the Configuration menu External Recirculation When using the External Recirculation feature you can choose commands in the menu to preheat according to the set...

Страница 111: ...5 Viewing Other System Information To view the miscellaneous system information press the Menu button and then select 5 EMS Data Rotate the Command dial to switch between the information items Press t...

Страница 112: ...s 11 6 1 Viewing Service Information To view service information about the boiler press the Back button and the Menu button simultaneously for 3 seconds and then select 1 Service Status Info Press the...

Страница 113: ...tus 17 LWCO Input Status LWCO input status 18 Air Handler Interface Output Status Air Handler Interface output status Rotate the Command dial to switch between the information items Press the Command...

Страница 114: ...erature range to turn on space heating Setting range 2 F 1 C 54 F 30 C Default 5 F 3 C 7 SH Min Limit Set space heating minimum heat capacity limit Setting range Space heating Min capacity space heati...

Страница 115: ...the approximate distance to the furthest fixture to virtually turn off recirculation when the HotButton mode is used Setting range 15 ft 4 5 m 660 ft 198 m 5 ft 1 5 m intervals Default 30 ft 9 m Item...

Страница 116: ...service notification Setting range 30 3650 days 10 years It can be set in 10 day increments Default 1820 days 5 years 24 Gas Connect Error Check Enable Enable or disable the gas connection error dete...

Страница 117: ...setting mode select Start The setting mode is entered and the IDs of all boilers that can communicate with the Main via the RS485 communication line are initialized The boilers whose IDs are initiali...

Страница 118: ...ch between the parameters or to increase decrease setting values Press the Command dial to select a parameter or to confirm after making changes Press the Back button to return to the previous screen...

Страница 119: ...Test the zone 2 pump operation The zone 2 pump is turned on as soon as you enter the test mode Press the Command dial to toggle the pump operation On Off Off On This option is available only when the...

Страница 120: ...k button and the Menu button simultaneously for 3 seconds and then select 7 Special Operations Rotate the Command dial to switch between the operation modes Press the Command dial to select an operati...

Страница 121: ...ust thermostat Contact technical support at 1 800 519 8794 E060 Abnormal operation dual venturi Contact technical support at 1 800 519 8794 E109 Abnormal operation fan motor Clean the intake air filte...

Страница 122: ...ture sensor appears only when the outdoor reset curve is enabled Ensure that the outdoor reset curve is configured properly Check the outdoor temperature sensor wiring connection E761 Abnormal operati...

Страница 123: ...information in these instructions must be followed to minimize the risk of fire or explosion or to prevent property damage personal injury or death The qualified service agency is responsible for the...

Страница 124: ...cation GasType NG LP Altitude 0 5 399 ft 5 400 10 100 ft 0 10 100 ft Orifice GAS NG 20049500A 4 50 6 30 GAS NG 20051240A 4 65 6 50 GAS LP 20050545A 3 65 4 95 Factory Installed For High altitude For LP...

Страница 125: ...et pipe and the gas valve in the middle of the unit as shown in Figure 2 Gas Valve Gas Inlet Pipe Figure 2 NCB H Series Internal Components 5 Use a Phillips screwdriver to remove the two screws at loc...

Страница 126: ...alve inlet adapter whenever they are disassembled The O ring must be in good condition and must be installed Failure to comply will cause a gas leak resulting in severe personal injury or death WARNIN...

Страница 127: ...e the Gas Orifice for high altitude when the boiler is installed at above 5 400 ft and be careful not to confuse it with the Gas Orifice for LP For High Altitude conversion check the DIP switches sett...

Страница 128: ...he CO2 value Figure 8 Set Screw Location Note The set screw is located behind the screw on cover This must be removed first 12 Measure and adjust the gas air ratio Option 1 Using Combustion Analyzer r...

Страница 129: ...et value is out of range the gas valve set screw will need to be adjusted If adjustment is necessary locate the set screw as shown in Figure 10 Using a 5 32 in or 4mm Allen wrench turn the set screw n...

Страница 130: ...ls adjacent to the rating plate as shown in Figure 11 with Kit No ________________________ This boiler was converted on name and address of organization making this conversion who accepts responsibili...

Страница 131: ...TRICAL SHOCK HAZARD before making any electrical connections to avoid possible electric hazard Failure to do so can cause severe personal injury or death Pumps must be electrically grounded as require...

Страница 132: ...1 10A 10A 10A ZONE1 Pump Relay 3 ZONE3 Pump Relay 2 ZONE2 Pump WD PSS Heating Return Thermistor System Return Thermistor INLET Thermistor System Supply Thermistor Outdoor Thermistor 1 2 3 4 5 6 O N O...

Страница 133: ...front panel displays a fault 12 4 OutdoorTemperature Sensor OutdoorTemperature Sensor Installation 1 Pull out the sensor body from the cap 2 Attach the body to the wall using the screws anchors provi...

Страница 134: ...rature ranges OutdoorTemperature Sensor Installation Guidelines Heat Load Supply Set Point Range Return Set Point Range Finned Tube Baseboard default 120 180 F 48 5 82 C 101 147 F 38 63 5 C Fan Coil 1...

Страница 135: ...135 Appendixes 12 6 Component Assembly Diagrams and Parts Lists 12 6 1 Case Assembly 16 6 20 19 18 4 5 12 1 3 7 17 14 10 9 8 5 11 2 13 15...

Страница 136: ...erminal PCB 30019951A 8 Intake Air Duct Assembly 30008662B 9 Intake Air Filter 30016248B 10 APS 30021100A 11 Air Vent Adapter 20051293A 12 Rubber Ring 20041970A 13 Exhaust Duct Assembly 30024848A 14 2...

Страница 137: ...137 Appendixes 12 6 2 Burner Assembly 12 13 10 20 21 11 7 3 1 2 5 24 6 9 23 22 8 14 19 16 17 10 15 18 4...

Страница 138: ...9 Thermistor Exhaust 30009478A 10 Thermistor Water 30008366A 11 High Limit Switch 30023954A 12 Fastener Heat 20033662A 13 Heat Exchanger Outlet Pipe 30024902A NCB 190 080H 30024903A NCB 250 150H 14 L...

Страница 139: ...0044471A 3 Cap 20017744A 4 Mixing Connector 20044469A 5 Flow Adjust Valve 30008247A 6 DHW Inlet Connection Adapter 20044470A 7 Taptite Screw 4 6 20017962A 8 DHW Temperature Sensor Blue 30022207B 9 DHW...

Страница 140: ...HW Outlet Adapter 20044487B 34 DHW Connection Elbow 20025962B 35 DHW Temperature Sensor Black 30022222B 36 3way Valve Body 20046493B 37 Heating Supply Adapter 20044489A 38 3Way Valve Fastener 20029414...

Страница 141: ...141 Appendixes 12 6 4 Fan Gas Assembly 10 9 12 8 7 3 1 2 4 5 6 13 11 11 14 15...

Страница 142: ...H 6 Silence Adapter 20049499A NCB 190 080H 20032569A NCB 250 150H 7 Venturi Packing 20022660A 8 Gas Ofifice 20049500A NCB 190 080H NG 20049501A NCB 250 150H NG 20050545A NCB 190 080H LP 20050546A NCB...

Страница 143: ...Memo...

Страница 144: ......

Страница 145: ...ct a licensed professional for the affected system for example a plumber or electrician When you contact Technical Support please have the following information at hand Model number Serial number Date...

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