NTI Matrix, Installation And Operation Instructions Manual

Page 1: ...ND INSPECTION 58 19 0 PARTS LIST 60 20 0 TROUBLESHOOTING 66 HAZARD SYMBOLS AND DEFINITIONS Danger Sign Indicates a hazardous situation which if not avoided will result in serious injury or death Warning Sign Indicates a hazardous situation which if not avoided could result in serious injury or death Caution Sign plus Safety Alert Symbol Indicates a hazardous situation which if not avoided could re...

Page 2: ... Do not try to light the burner by hand 4 Turn the manual gas valve to the OFF position Remove front access panel 5 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the safety information above If you don t smell gas go to the next step 6 Turn the manual gas valve ON Wait an additional five 5 minutes smelling for gas 7 Replace t...

Page 3: ...ular or multiple boiler system having a total input of 300 000 BTU hr or greater This boiler is equipped with a tankless coil User Responsibilities This boiler must be installed and serviced by a qualified installer or service technician This boiler must be serviced and inspected annually when operating in normal residential applications Demanding applications or extreme conditions i e commercial ...

Page 4: ...nstalled in a pit or similar location that will permit heavier than air gas to collect Local Codes may require boilers fueled with LP gas be provided with an approved means of removing unburned gases from the room Check your local codes for this requirement Natural to LP Propane Conversion Kit_ Model Number Kit Number LP Orifice M100 M100V 82650 1 52 5 2mm Boiler Vent Air Inlet Piping The Matrix i...

Page 5: ...no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS plate included with boiler 4 INSPECTION The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not approve the installation unless upon inspection the inspector observes carbon monoxide detectors and signage installed in accordance with the provisions of 248 CMR 5...

Page 6: ...ration The Matrix is designed to operate at its maximum listed capacity in installations less than or equal to 2000 ft 610 m above Sea Level Since the density of air decreases as elevation increases maximum specified capacity should be de rated for elevations above 2000 ft 610 m in accordance with Table 2 2 Table 2 2 De rate for High Altitudes Elevations 2000 ft 610 m 3000 ft 914 m 4000 ft 1219 m ...

Page 7: ...ble 4 2 for a list of approved materials Closet Installations For closet installations it is necessary to provide two ventilation air openings each providing a minimum area equal to 1 in2 per 1000 Btu hr but not less than 100 in2 and within 6 of the top and bottom of the closet door See Table 3 1 for minimum recommended clearances Alcove Installations Alcove installations have the same minimum cle...

Page 8: ...Existing Boiler 1 Seal any unused openings in the common venting system 2 Visually inspect the venting system for proper size and horizontal pitch Verify that there is no blockage restriction leakage corrosion or other deficiencies which could cause an unsafe condition 3 Insofar as is practical close fireplace dampers all building doors and windows and all doors between the space in which the appl...

Page 9: ...ride fluoride Swimming pools hot tubs Solvents cutting oils fiberglass cleaning solvents Auto body or metal working shops Refrigerant charge with CFC or HCFC Refrigerant repair shops Permanent wave solutions Beauty shops Fixer hydrochloric acid muriatic acid bromide iodine Photo labs chemical plastics processing plants Cement powder crack fill dust cellulose fiber based insulation Concrete plant o...

Page 10: ...r Boiler Vent Air inlet Piping The Matrix air inlet and exhaust fittings are 3 male PVC use approved cement to secure to the venting system see Table 4 2 Check the flue outlet gasket inside the boiler cabinet for proper insertion and sealing prior to and after attaching the venting Ensure the venting system does not apply a load or stain on the flue outlet of the boiler this manufacturer recommend...

Page 11: ... F 60o C must use ULC S636 CPVC PP or AL29 4C The use of cellular core PVC ASTM F891 cellular core CPVC or Radel polyphenolsulfone in the exhaust venting system is prohibited Failure to follow these instructions may result in property damage personal injury or death Covering non metallic vent pipe and fittings with thermal insulation is prohibited Failure to follow these instructions may result in...

Page 12: ...2 d PVC CPVC PP ICWT352 ICTC0335 4 ICWS4639 ICTC0446 Centrotherm InnoFlue Concentric Roof 9 3 ICRT3539 ICTC0335 4 3 c PVC CPVC PP 4 ICRT4679 ICTC0446 Notes 1 Instructions included with termination kits contain detailed assembly and installation instructions 2 All factory termination kits are ULC S636 approved 3 Clearance requirements in this manual supersede those of the instructions included with...

Page 13: ...inlet Exhaust Air inlet around perimeter Min 12 above grade or snow level Exhaust center Air inlet bottom Exhaust Air inlet Gas Vent Directly Below Keep Free of Obstructions Refer to documentation included with termination kit for complete installation instructions Exhaust Air inlet Min 12 above grade or snow level Vertical Min 18 Horizontal 4 12 or greater than 36 Exhaust Air inlet Vent Screen Ve...

Page 14: ... above grade or snow level Vent Screen Vent pipe piece to retain vent screen Exhaust center Air inlet around perimeter Flashing Refer to documentation included with termination kit for complete installation instructions Refer to documentation included with termination kit for complete installation instructions Min 12 above grade or snow level Flashing Exhaust Air inlet Figure illustrates two optio...

Page 15: ... In all roof applications the discharge must point away from the pitch of the roof 11 Roof Flashing Install adequate flashing where the pipe enters the roof to prevent water leakage 12 Rain Cap Install and seal a rain cap over existing chimney openings in vacant chimney applications 13 Venting Below Grade For installations that exit the wall below grade refer to Figure 4 4 14 Vent Screens Install ...

Page 16: ...the boiler in elevation for every linear foot Figure 4 6 Existing Chimney Chase Way It is permissible to use an existing chimney as a chase way to run the Vent Air inlet piping as long as 1 The chimney is not being used by any other boiler 2 Flue gases do not enter the vacant chimney 3 Only Matrix certified venting materials are used see Table 4 2 4 Vent lengths are within the maximums specified 5...

Page 17: ... 2 13 m 7 ft 2 13 m R Above a public walkway X X X X S Above a sidewalk or paved driveway that is located between two single family dwellings and services both dwellings X X X X T Under a concrete veranda porch deck or balcony 7 24 in 610 mm 24 in 610 mm U Above under or near exterior stairs X X X X V Into a canopy or carport X X X X Notes 1 Canadian installations must comply with the current CSA ...

Page 18: ...Matrix Installation and Operation Instructions Figure 5 1 Termination Clearances Quick Reference Diagram ...

Page 19: ...cific Termination Position Refer to Table 5 1 for corresponding termination clearances Concentric Vent Termination Q Two Pipe Termination F Clearance Q Adjacent to Public Walkway or Driveway Minimum 7ft 2 13 m G Clearances F and G Canada Minimum 3 ft 915 mm The US Minimum 1 ft 305 mm ...

Page 20: ...hen constructing the condensate drain system See Figure 6 1 for further details DO NOT install condensate lines outside A frozen or blocked drain will cause the condensate to fill the combustion chamber This will result in a no heat condition as the unit will shut down and damage to the flame sensor and components can occur NEVER use copper steel or galvanized piping in the construction of the con...

Page 21: ...The gas line connection to the boiler does not apply any weight to the gas valve NTI recommends using approved flexible gas piping if acceptable by local codes to connect the boiler to the gas supply See Figure 7 1 for details You plan the installation so that the piping does not interfere with the vent pipe or the removal of the valve burner and serviceable components The boiler shall be installe...

Page 22: ...t in fire property damage serious injury or death When performing a pressure test on the gas line piping be sure the boiler is disconnected or isolated if the test pressure is expected to exceed 1 2 PSI 14 w c as damage to the valve could occur resulting in fire property damage serious injury or death Figure 7 1 Gas Line Connection Typical Manual Gas Shutoff Valve Should overheating occur or the g...

Page 23: ...witch Do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department C Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service technician Force or attem...

Page 24: ...afety system replace the wire on the flame sensor and reconfirm proper lighting If the unit fails to light consistently and smoothly contact NTI for technical assistance at 1 800 688 2575 Never allow the boiler to operate if the ignition or operation of the burner is rough or erratic Failure to follow these instructions may result in serious injury or death The flame probe uses a single electrode ...

Page 25: ...just the line pressure to the Nominal Desired value listed in Table 9 1 while the unit is operating at the maximum modulation rate see Table 9 2 8 Continue observing the gas line pressure until the completion of the combustion analyses incase adjustments need to be made 9 Upon completion of the line pressure testing return the bleed screw of the Line Pressure Test Port to the closed position The l...

Page 26: ...pical adjustment required for Natural Gas is 0 1 full turns in or out from the factory setting Typical adjustment for LP Gas is 0 3 full turns in or out from the factory setting upon inserting the LP orifice as per the applicable Propane conversion instructions See Figure 9 1 for throttle screw location Figure 9 2 Throttle Input Adjustment Screw All Models Decrease Gas Turn Clockwise Increase Gas ...

Page 27: ...the flue gas analysis and adjustment detailed in this section may result in erratic and unreliable burner operation leading to reduced efficiency increased fuel consumption reduced component life heat exchanger combustion deposits and general unsafe operation Failure to follow these instructions may result in serious injury or death Analysis The Matrix is not equipped with an integrated flue gas t...

Page 28: ...stem with Fernox F3 Cleaner For retrofit applications with heavy limescale and sludge deposits a heavier duty cleaner may be required NTI recommends the use of Fernox DS 40 System Cleaner For information on performing the cleansing follow the instructions included with the Fernox DS 40 System Cleaner See Table 10 1 for a list of recommended boiler cleansing products Failure to rid the heating syst...

Page 29: ...miting the maximum operating capacity and or the maximum water temperature NTI recommends against exceeding 35 concentration of glycol DO NOT use inhibited glycol with non compatible boiler inhibitors Non compatible inhibitors may counteract each other rendering them ineffective Near Boiler Plumbing Pressure Relief Valve A Pressure Relief Valve is factory supplied with each unit and must be field ...

Page 30: ... the top of the boiler cabinet see illustration DO NOT install isolation valves between the boiler outlet connection and the LWCO The LWCO switch must be wired to break the boiler limit circuit or line power to the boiler When the installation is complete TEST THE LWCO to ensure the burner shuts down when the water level drops LWCO Must be at least as high as the top of the boiler Return Water Pre...

Page 31: ... e g in close proximity to the water fill and expansion tank Expansion Tank Factory Supplied The Matrix comes with a built in expansion tank that is sized to handle the volume of water in the Matrix unit An external expansion tank must be field sized supplied and installed for Matrix units installed in systems with hydronic heat Ensure the expansion tank cannot become isolated from the boiler anyt...

Page 32: ...irculator Air Separator NTI Make Up Water Backflow Preventer Pressure Reducing Valve Expansion Tank High Temperature Zones Only Figure 10 3 a Plumbing High Temperature Zones w Zone Valves Figure 10 3 b Wiring Zones w Zone Valve Controller Figure 10 3 c Wiring Zones w o Zone Valve Controller ...

Page 33: ...ture Zones w Mixing Valves Figure 10 4 c Wiring Zones w Zone Pump Controller NTI NTI Zone 3 Zone 2 Zone 1 Check Valves Zone Circulators Air Separator Expansion Tank Feed Valve Make up Water Backflow Preventer M H C H M C C M H Temp 3 Temp 2 Temp 1 Mixing Valves Zone Circulators Air Separator Expansion Tank Feed Valve Make up Water Backflow Preventer ...

Page 34: ...ion System w Tekmar 356 Controller Zone 3 Zone 2 Zone 1 NTI Zone Valves System Circulator Expansion Tank Feed Valve Make up Water Backflow Preventer Temperature Sensor S1 Temperature Sensor S3 Air Separator Injection Circulator Backflow Preventer Boiler Circulator Expansion Tank Feed Valve Make up Water System Circulators Temperature Sensors Air Separator Injection Circulators NTI Low Temp Zones H...

Page 35: ...g to the rear fitting of the Brazed Plate Heat Exchanger The hot Outlet line flows directly from the front fitting of the Brazed Plate Heat Exchanger See Figures 11 1 and 11 2 for installation details Thermostatic Mixing Valve Factory Supplied A Sparcomix AM101 US 1 is provided with your package This valve regulates the water temperature leaving the plate heat exchanger and must be used in every i...

Page 36: ...water temperature thus increasing combustion efficiency and by minimizing standby losses See Figure 11 1 for installation details DHW Limitations As the Matrix produces domestic hot water instantaneously there are inherent limitations of the system NO STORAGE As there is no water storage the boiler can only provide water at the temperature specified at the corresponding flow rates Flow through the...

Page 37: ...ose two other faucets Allow the boiler to reach steady state and then throttle the shut off valve until the hot water exiting the plate heat exchanger is slightly warmer than the mixed water exiting the mixing valve Ensure the boiler is firing at the maximum rate if not increase the H20 setting and repeat this step It is beneficial to keep the H20 setting as low as possible to limit short cycling ...

Page 38: ...Installation and Operation Instructions Matrix 38 Figure 11 2 DHW Piping w Storage Tank Figure 11 1 DHW Piping Tankless On demand ...

Page 39: ...cordance with Figure 12 1 and Table 12 1 Fuse 120 VAC The Matrix Sentry controller is equipped with one 15 Amp fuse to protect the 120VAC pump output The fuse is located under the cover of the Sentry 2100 control red control Wire Protection When passing any wiring through the cabinet of the boiler the installer must use wire grommets suitable for securing the wiring and preventing chafing Failure ...

Page 40: ...rounding all of the circulators Low Voltage Connections The Matrix low voltage thermostat connections are located on a terminal strip on the left hand side of the unit on the outside of the boiler cabinet Low voltage field connections are to be installed in accordance with Figure 12 2 and Table 12 2 Fuse 24 VAC The Matrix is equipped with a blade style 2 Amp fuse to protect the internal transforme...

Page 41: ...Matrix Installation and Operation Instructions 41 Figure 12 2 Low Voltage Field Wiring ...

Page 42: ... in the home thermostat Air circulation rate is set via the FAN setting in the blue Fan Controller see Table 13 5 R 24VAC Hot Power supply for inputs H FS DH W1 W2 Y1 and Y2 W1 Forced Air Central Heat Input Input requiring 24VAC from terminal R to initiate a demand for the Forced Air Central Heat Switch is made using an isolated end switch dry contact normally incorporated in the home thermostat W...

Page 43: ...s of LED indicators see Table 13 2 Table 13 1 Matrix Boiler Control Navigation LED Description Burner Brûleur Indicates that the ignition system is activated Forced Air Demand Indicates a call for forced air heat Note there may still be a call for forced air heat even when thermostat is satisfied off Hydronic Demand Indicates a call for hydronic heat DHW Demand Indicates a call for domestic hot wa...

Page 44: ...n Conventional Mode Standby Storage Mode Primary Forced Air Call W1 Auxiliary Forced Air Call W2 Shared Call Forced Air Hydronic Hydronic Demand H DHW Demand Condition Storage Off Storage On Heat W1 Aux Heat W2 Shared W1 W2 and H Hydronic Call Domestic Only Set Point 160 F SPNote 1 HI Greater of SP HI and HYD HYD H2O to H2O 30 Burner On 140 F SP Note 1 HI Greater of SP HI and HYD HYD DIF H2O 30 Bu...

Page 45: ...e 13 4 for a description of the boiler control settings Table 13 4 Matrix Boiler Control Programming Menu Item Settable Range Description Typical Settings RUN Program Mode When Run is displayed controller is in Prog mode Arrow up or down to scroll through menus HYD 80 200 Hydronic Call Setpoint 100 120 Infloor High Mass 140 160 Infloor Low Mass 140 160 Fan Coil HI 80 200 Auxiliary Heat Setpoint pr...

Page 46: ...tion HRV will exchange air at low ventilation rate during a call for forced air heat W1 or W2 or continuous circulation G Will increase to high ventilation rate with a high ventilation call 24vac DH HEA PF1 PF3 PF1 Heat Profile 1 400 to 1000CFM 50 000 Btu h max Heat Profile 2 400 to 1100CFM 77 000 Btu h max Heat Profile 3 400 to 1200CFM 105 000 Btu h max Y1 40 Y2 80 Stage 1 AC HP Flow x 10 CFM set...

Page 47: ...set RES Setting Recommendations Boiler Set Point HYD Outdoor Reset RES 80 110 70 80 110 140 80 90 140 170 90 100 170 200 100 110 Formula Operating Temperature RES Outdoor Temp x HYD RES RES RES Note Substitute HYD for HI during a call for Emergency Heat Example There is a call for Hydronic heat therefore the control uses the HYD programmed setting The HYD is programmed to be 160 F The RES is progr...

Page 48: ...ial thermostat call 24VAC W1 space heating begins by providing heat at Stage 3 24 000 BTU hr if hydronic heat is also calling 24VAC H heating will begin at stage 1 and so long as the thermostat is not satisfied incrementally increases to a maximum of Stage 10 maximum output When the thermostat becomes satisfied an average of the heat output rate during the call is calculated The boiler remains lit...

Page 49: ...a call for cooling unless there is a concurrent call for DH Dehumidification or G Continuous and HRV is set to ON Call for Cooling Fan 24VAC Y2 Matrix operates at the prescribed air circulation rate Y2x10 CFM see Section 13 0 HRV will not operate during a call for cooling unless there is a concurrent call for DH Dehumidification or G Continuous and HRV is set to ON Duct Sizing When sizing ductwork...

Page 50: ...n Method or Air Changes per Hour Method see below Table 15 1 Room Count Calculation Method Living Space Number of Rooms CFM L S CFM Req d Master Bedroom x 20 cfm 10 L s With Basement x 20 cfm 10 L s Without Basement Single Bedroom x 10 cfm 5 L s Living Room x 10 cfm 5 L s Dining Room x 10 cfm 5 L s Family Room x 10 cfm 5 L s Recreational Room x 10 cfm 5 L s Other Kitchen x 10 cfm 5 L s Bathroom x ...

Page 51: ...2 Exhaust from the return Simplified System Stale air is drawn from the return plenum 6 0 min Cold Air Return Stale Air From Kitchen and Bathroom External Ducting to be 6 insulated with Vapor Barrier 18 min Warm Air Supply 6 0 min Cold Air Return Stale Air From Cold Air Return Connection to be 4ft from where return plenum attaches to Matrix External Ducting to be 6 insulated with Vapor Barrier 18 ...

Page 52: ...ndensate tubing provided must be routed through the hole in the side of the appliance and attached to the 90 elbow directly underneath the ventilation module From there the condensate tube must be emptied into a suitable floor drain or if necessary the emptying drain must have a trap to prevent the infiltration of toxic gases IMPORTANT When using the Simplified System method exhaust connection to ...

Page 53: ...egin by selecting the heating profile required in the Matrix Fan Controller HEA menu Refer to the heating section of the manual for more explanation The heating profile selected dictates the air handler blower speeds and is important to the proper functioning of the HRV Every time the heating profile is changed the HRV will require re balancing 4 Once the heating profile is selected advance to the...

Page 54: ...Supply at Override high ventilation rate balanced during Low air circulation rate 400 CFM 120cfm 55 L s ECH HRV Exhaust at Continuous low ventilation rate balanced during High air circulation rate 1000 1100 1200 CFM 70cfm 30 L s SCH HRV Supply at Continuous low ventilation rate balanced during High air circulation rate 1000 1100 1200 CFM 70cfm 30 L s ECL HRV Exhaust at Continuous low ventilation r...

Page 55: ...Matrix Installation and Operation Instructions 55 16 0 WIRING SCHEMATICS Figure 14 1 a Connection Diagram ...

Page 56: ...Installation and Operation Instructions Matrix 56 Figure 14 1 b Ladder Logic Diagram ...

Page 57: ...1 Turn gas shut off valve to the ON position 2 Turn Power on to boiler 3 Set Controller to the desired settings 4 Turn thermostat up Ignition will occur Operational Checklist 1 System is free of gas leaks 2 System is free of water leaks 3 Water pressure is maintained above 15 PSI 4 All air is purged from the heating system piping 5 Ensure proper water flow rate unit must not kettle bang hiss or fl...

Page 58: ...tions and use recommended personal protective equipment as required Cleaning Checklist 1 Initiate a post purge cycle to clear any gas from the combustion chamber then turn gas valve off 2 Access the combustion chamber by removing the aluminum burner door assembly of the boiler 3 Remove or cover the insulation disc located in the back of the combustion chamber to avoid damaging it during the cleani...

Page 59: ...removing this boiler This boiler contains materials that have been identified as carcinogenic or possibly carcinogenic to humans Table 18 1 Handling Instructions for Refractory Ceramic Fibers RCF Reduce the Risk of Exposure Precautions and Recommended Personal Protective Equipment Avoid contact with skin and eyes Wear long sleeved clothing gloves and safety goggles or glasses Avoid breathing in si...

Page 60: ...ALWAYS REMOVE POWER 120V TO THE UNIT PRIOR TO SERVICING Heat Recovery Core Annually or as needed Vacuum surfaces let soak in warm water for three hours spray rinse and let dry Energy Recovery Core Annually or as needed Vacuum surfaces Filters Every 3 months or as needed Vacuum Filters Annually or as needed Replace filters Inside Surfaces of Unit Annually or as needed Clean interior of unit walls a...

Page 61: ...eplacement parts are available from your stocking wholesaler Contact your local Installer or Wholesaler for assistance with parts Wholesalers Contact NY Thermal Inc directly when ordering replacement parts 1 506 657 6000 Installers Contact NY Thermal Inc directly if technical assistance required 1 800 688 2575 Figure 19 1 Parts Breakdown 1 60 38 5 9 49 61 10 36 22 25 8 20 4 42 27 34 11a 18 3 28 24...

Page 62: ...Shield Includes Disconnects 11a 82768 M100 V Ti100 400 Igniter Gasket Hot Surface Ti M 12 82600 82600 1 Lx150 300 M100 V Tft60 250 Ti100 200 Ts80 Gas Valve Regulator Vent Upgrade Kit c w Clamp Includes p n 83134 13 83883 M100 V Lx150 300 Tft60 250 Ti100 200 Ts80 Gas Valve Inlet O Ring Gasket 14 82065 Lx150 300 M100 V T150 200 Ti100 200 Ts80 Tx200 Tx200C Gas Valve Adapter 1 2 NPT Elbow 15 82671 M10...

Page 63: ... Ti100 150 models manufactured before 3 20 2008 All Ti200 models manufactured before 2 1 2008 25 82992 82992 1 M100 V Ti100 400 see bullets Manifold Limit 1 4 NPT c w Disconnects see bullets All M100 V models sold in US All Ti400 models All ASME stamped Ti100 150 models All M100 V Ti100 150 models manufactured after 3 20 2008 All Ti200 models manufactured after 2 1 2008 26 83012 Lx150 US M100 V US...

Page 64: ...y Switch Matrix 47 81396 M100 V Circulator Pump Grundfos UP15 42B7 48 83551 M100V Double Collar 6 49 82662 Lx150 800 M100 V Ti100 400 Ts80 Air Switch Huba 604 E021180 Set 2 wc 51 83548 M100V HRV HVC Board 52 83160 M100 V Sentry 2100 Version B3 2 53 53035 M100 V Furnace Blower Matrix 54 83081 82831 M100 V ECM Motor 3 4 HP 55 82285 M100 V Expansion Tank 56 83154 M100 V Fin Tube Coil 20 x 15 Models m...

Page 65: ... Tx151C Tx200C VM110 VM110P Pressure Relief Valve ASME 3 4 NPT 30psi 110 84090 Lx150 400 M100 V Tft60 399 Ti100 400 Ts80 Tx51 200 Pressure Gauge Bottom Stem Mount 60psi 111 82616 Lx150 200 M100 V T150 200 Tft60 250 Ti100 200 Ts80 Tx51 200 Tx151C Tx200C VM110 VM110P Round Mesh Vent Screen 3 112 84492 Lx150 300 M100 V Tft60 250 Ti100 200 Ts80 Tx200 Tx200C Natural Gas To LP Conversion Instructions In...

Page 66: ...on There is a heat call from the thermostat o The thermostat is placed at a sufficiently high setting to create a call for heat to the boiler To check for the presence of 120VAC at the boiler follow this procedure Remove the junction box cover With an AC voltmeter set on the appropriate scale measure the voltage across Line and Neutral Black and White wires If 120VAC is not detected check the elec...

Page 67: ...enerated when the combustion blower turns on It can occur momentarily during normal operation A problem is indicated when ASO is displayed continuously 1 Ensure the vinyl tubes connected between the air switch and the ports on the inlet pipe are in the proper locations Negative side of switch connects to the port on the 1 1 2 PVC elbow 2 Check for blockage on the intake and exhaust vents 3 If fan ...

Page 68: ...o meet a minimum speed 1 Check for 120V to blower ensure door switches are making the circuit 2 Check wiring from Pin 6 at Fan Control white wire to Pin 15 at blower motor 3 Check for 24VDC at blower Pin 15 if present replace blower if not replace Fan Control AL8 Blower On Furnace Blower Error Control has failed to sense that the blower has reached a minimum speed 1 Check wiring from Pin 5 at Fan ...

Page 69: ...g a concentration lower than 35 Boiler Lights rough or pulsates Typically an imbalance in the Air to gas ratio 1 Ensure that the venting lengths are in compliance with Section 4 0 2 Ensure that the line pressure during operation does not drop more than 20 from the static line pressure 3 Momentarily remove the intake vent from the boiler during ignition if unit lights smoothly with intake vent disc...

Page 70: ...gure 13 2 M atrix Thermistor Resistance Chart 1 Mohm Water Probe Hi Temp 0 20 40 60 80 100 120 160 170 180 190 200 210 220 230 Water Temperature o F Resistance Kilo Ohms Figure 13 1 M atrix Thermistor Resistance Chart 1 Mohm Water Probe Low Temp 0 0 25 0 5 0 75 1 1 25 1 5 1 75 2 2 25 50 60 70 80 90 100 110 120 130 140 Water Temperature o F Resistance Mega Ohms Figure 13 3 Outdoor 10K probe 0 10 20...

Page 71: ...Matrix Installation and Operation Instructions 71 NOTES ...

Page 72: ...tallation and Operation Instructions Matrix 72 Visit us online NY Thermal Inc 30 Stonegate Dr Saint John NB E2H 0A4 Canada Technical Assistance 1 800 688 2575 Website www ntiboilers com Fax 1 506 432 1135 ...