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Mascot FT Floor Standing Combination Boiler

Page 31

4.9 Gas Supply and Piping

Combination boiler must be installed downstream of the gas meter for adequate gas supply.

Combination boiler gas connection pipe not less than a 1/2” (MFTCF140) or 3/4” (MFTCF199).

Suggested Propane Gas (LP) Layout

Suggested Natural Gas (NG) Layout

Sediment Trap

Other appliance

Gas meter

Capacity : Not less than 'total capacity of connected appliances'

Gas Regulator (21bar)

Gas Regulator (supply press 12")

Sediment Trap

Other appliance

Capacity : not less than 'total capacity of connected appliances'

LP GAS TANK

1/2" pipe

3/4"

4.9 Gas Supply and Piping

Содержание MFTCF140

Страница 1: ...could cause serious injury property damage or death Improper installation and or operation will void the warranty AVERTISSEMENT Assurez vous de bien suivres les instructions donn es dans cette notice...

Страница 2: ...oor Combustion Air 27 4 8 Vent Air Pipe Termination 27 4 9 Gas Supply and Piping 29 4 10 Gas Supply Pressure 32 4 11 Gas Set Up and Adjustment 32 4 12 High Altitude Installations and Orifices 33 4 13...

Страница 3: ...must conform to local codes and the latest edition of the National Fuel Gas Code ANSI Z223 1 and CAN B149 1 Failure to follow instructions could result in serious injury or property damage The qualifi...

Страница 4: ...ting Systems Page 2 1 2 Included with the Appliance continued Items Descriptions Qty Mesh screen 3 mesh 2 Outdoor Sensor with Screws and Anchors 1 Pressure Relief Valve CH LINE 3 4 30psi Model CASH AC...

Страница 5: ...1 9 9 FUEL N Natural P Propane CONFIG F Floor Stnd ALTITUDE A 0 10 000 Feet REVISION 1 First OPTIONS X Standard PUMP N with Pump 1 M SECTION 2 Product Characteristics 2 1 Model Nomenclature The Model...

Страница 6: ...00 900 9276 Fax 800 559 1583 Headquarters 20 Industrial Way Rochester NH 03867 603 335 6300 Fax 603 335 3355 1869 Sismet Road Mississauga Ontario Canada L4W 1W8 905 238 0100 Fax 905 366 0130 www Laars...

Страница 7: ...on readings At this point just record the CO2 readings at MAX Fire Do NOT attempt to adju CO2 at MAX Fire ONLY in MIN Fire so 18 Per Table B for MIN Fire change dip switch 6 to OFF and 7 to ON The uni...

Страница 8: ...pter 3 4 NPT E DHW inlet Connection Adapter 3 4 NPT F Condensate Adapter 1 2 NPT G Drain Adapter 1 2 NPT 52 4 133 cm 15 7 40 cm 3 3 8 cm 9 2 23 cm 68 cm 9 3 2 7 4 3 4 3 5 8 9 2 3 7 12 9 18 7 23 27 3 3...

Страница 9: ...NPT MFTCF199 53 7 137 cm 15 7 40 cm 4 0 10 4 cm 6 6 16 9 cm 68 cm 18 9 2 6 4 3 4 3 5 7 8 8 3 7 12 5 18 2 22 5 26 8 29 4 48 3 17 9 23 3 26 7 19 7 3 0 7 6 cm 5 0 13 cm A B C D E F G TOP SIDE FRONT 3 O...

Страница 10: ...ion Pump DHW 13 DHW Tank Assembly 14 Water Drain Valve 15 Water Drain Adapter 16 Condensate Trap Adapter NO Name of Component 17 Condensate Drain Hose 18 DHW Inlet Adapter 19 Condensate Trap 20 DHW Ou...

Страница 11: ...ondensate Trap Adapter NO Name of Component 17 Condensate Drain Hose 18 DHW Inlet Adapter 19 Condensate Trap 20 DHW Outlet Adapter 21 Condensate Heat Exchanger Hose 22 CH Return Connection 23 CH Suppl...

Страница 12: ...ng Mode acteristics ng mode Central Heating CH mode d for space heating Combustion Air Inlet Gas Inlet Space Heating Water Return Space Heating Water Supply Space Heating Water Supply Space Heating Wa...

Страница 13: ...cteristics Operating Mode uct Characteristics r of Hot water mode Domestic Hot Water DHW mode e Sub heat exchanger then cold water transformed into hot water er DHW is controlled by the consumer It ca...

Страница 14: ...FETY READ BEFORE OPERATING If you do not follow these instructions exactly a fire or explosion could result causing property damage personal injury or loss of life A This appliance does not have a pil...

Страница 15: ...DO NOT use this Boiler if any part has been under water Immediately call a qualified technician for inspecting the Boiler and replacing any part of the control system and gas control which have been u...

Страница 16: ...opened 5 Check the area around the appliance and remove any combustible or flammable materials Remove laundry or any other items that are on or near the boiler or vent pipe When in Operation CAUTION...

Страница 17: ...egularly Do not shut off the Boiler When you leave home for a long time do not shut off Boiler The Boiler has a freeze protection function The ceramic heater is installed inside of the heater s intern...

Страница 18: ...ted Service Clearance Minimum Clearances For installation Suggested From Non Combustibles Service combustibles Clearance Top of appliance 15 in 38 cm 15 in 38 cm Back of appliance 5 8 in 1 6 cm 5 8 in...

Страница 19: ...during operation and service If new Combination boiler replaces an existing appliance check and correct system problems for example Do not install if System leaks causing oxygen corrosion or heat exch...

Страница 20: ...nput rating of all equipment in the enclosure When communicating to the outdoors through horizontal ducts each opening shall have a minimum free area of not less than 1square inch per 2000 Btu hr 1100...

Страница 21: ...lation Code CAN CSA B149 1 or applicable provisions of the local building codes CAUTION NOTICE The instructions for the installation of the venting system shall specify that the horizontal portions of...

Страница 22: ...B149 1 and ULC S636 Failure to follow this manual and applicable codes may lead to property damage severe injury or death ___________________________________________ WARNING Use of cellular core PVC A...

Страница 23: ...bited Do not apply an electric damper draft hood or vent damper with this Boiler Do not locate vent termination where exposed to prevailing winds Moisture and ice may fall on surface around vent termi...

Страница 24: ...nded above meter regulator assembly 3 ft 91 cm within a height 15 ft 457 cm above the meter regulator assembly I Clearance to service regulator vent outlet 3 ft 91 cm J Clearance to non mechanical air...

Страница 25: ...nce to inside corner H Clearance to each side of center line extended above meter regulator assembly 36 in 91 cm within a height 15 ft 4 57 m above the meter regu lator assembly I Clearance to service...

Страница 26: ...zontally vented gas fueled equipment is installed in a crawl space or an attic the hard wired carbon monoxide with alarm and battery back up may be installed on the next adjacent floor level b In the...

Страница 27: ...oivent tre prises pour chaque appareil toujours raccord au syst me d vacuation commun et qui fonctionne alors que d autres appareils toujours raccord s au syst me d vacuation ne fonctionnent pas 1 Sce...

Страница 28: ...to the size of vent pipe 2 3 according to the installation conditions Push the pipe into the collar socket until it touches the bottom of the socket fitting For 2 installations install using the supp...

Страница 29: ...ent Air Pipe Termination Note For using pipe more than 1 elbow reduce maximum allowable length 5 feet 1 5M for each additional 3 inch 90 degree elbow 2 5 feet 0 75M for each additional 3 inch 45 degre...

Страница 30: ...oped Roof Horizontal Vent Termination cont Direct Vent Optional Sidewall Snorkel Terminations Concentric Vent Termination Direct Vent Optional Horizontal and Vertical Concentric Vent Side wall Vent 2...

Страница 31: ...for the proper type of gas by checking the rating plate Mascot FT will function properly at elevations up to 10 000 feet 3050 m Refer to Section 4 12 for High Altitude Settings 2 The maximum inlet gas...

Страница 32: ...d be installed close to the unit To facilitate any future maintenance it is also recommended that an approved gas union fitting be installed in the supply line between the shut off valve and the 3 4 f...

Страница 33: ...nection pipe not less than a 1 2 MFTCF140 or 3 4 MFTCF199 Suggested Propane Gas LP Layout Suggested Natural Gas NG Layout Sediment Trap Other appliance Gas meter G Capacity Not less than total capacit...

Страница 34: ...aximum Pressure 10 5 WC Minimum Pressure 8 0 WC Minimum Pressure 3 5 WC Inlet Gas Pressure Port MFTCF140 MFTCF199 The appliance and its individual shutoff valve must be disconnected from the gas suppl...

Страница 35: ...the Modes button for one second to Save the number and to go back to initial status The Mascot FT is shipped with a Natural Gas Nozzle or Orifice that is designed for altitudes up to 3 000 ft Yet the...

Страница 36: ...LP your boiler can be converted to burn propane gas Also if your boiler is already converted to burn propane it can be modified back to burning Natural Gas using these instructions NOTICE The Natural...

Страница 37: ...e for LP propane Re use the packing from previous 9 Return the Gas Inlet Pipe to its original position and tighten the Brass Fittings 10 Per Table B set DIP Switch 5 to the OFF setting the 5 DIP switc...

Страница 38: ...is may take up to 3 minutes depending on your combustion analyser Then check the CO2 measurement for MAX fire Refer to Table D for acceptable MAX fire combustion readings At this point just record the...

Страница 39: ..._______ responsable ___________________________________ _____________________________________________ H2373900A Manifold Pressure Port Gas Valve Adjustment Port under the cap screw Figure E 22 It may...

Страница 40: ...e guidelines could result in system problems CH pipe minimum size 1 DWH pipe minimum size 3 4 CAUTION SECTION 4 Installation Closed type Expansion tank Apply 1 pipe to the expansion tank to allow air...

Страница 41: ...in a closed water supply system such as one having a backflow preventer in the cold water supply line it will control thermal expansion Pump for primary loop is included with Mascot FT for 15 ft Do no...

Страница 42: ...hich runs when the zone needs it Each zone thermostat goes to a controller which controls the pumps SECTION 4 Installation PRIMARY LOOP SPACE HEATING 1 PIPE CH SUPPLY 1 PIPE CH RETURN 3 4 PIPE DHW OUT...

Страница 43: ...not exceed 12 apart PRIMARY LOOP SECONDARY LOOP SPACE HEATING SPACE HEATING PRIMARY SECONDARY CONNECTION 1 PIPE CH SUPPLY 1 PIPE CH RETURN 3 4 PIPE DHW OUTLET Backflow preventer 3 4 PIPE DHW INLET ZO...

Страница 44: ...V Heating Boilers Model CASE ACME F 82 This safety relief valve 30 psi is shipped loose for field installation An approved ASME HV Pressure Relief Valve must be installed on the DHW supply line as clo...

Страница 45: ...months for depletion Apply only corrosion resistant materials for the condensate drain lines such as 1 2 PVC CPVC Polypropylene pipe or included plastic hose NOTICE For Category II and IV boilers be i...

Страница 46: ...red under the warranty Manual Rocker switch maximum allowable current for each circulator is 16 amps at 125VAC Housing Nylon 66 UL 94V 2 Rocker Nylon 66 UL 94V 2 Terminal Copper Alloy Terminal block E...

Страница 47: ...AX Fire 0 134 WC 0 173 WC MIN Fire 0 015 WC 0 015 WC Figure D 15 Setup your combustion analyser and place the sensor into the combustion test port 16 Per Table B for Max Fire change dip switch 6 to ON...

Страница 48: ...LAARS Heating Systems Page 46 4 19 Control Board Electrical Diagram SECTION 4 Installation...

Страница 49: ...High Limit Primary Secondary Relay 3 Relay 4 Ignitor Relay 5 Gas Valve DC 14 V DC 30V DC 5V F B FAN Power Detector Burner Limit Speed Control Fan RPM Sensor DHM Driving circuit Over Heat TEMP 2 A Pum...

Страница 50: ...ral HT 120V 9 12 N AC Power COM Line HT 120V CN4 LWD1140 06D 1 FAN Unuse 2 GND SELV 26VDC 3 VDD SELV 14VDC 4 Fan power start coil SELV 26VDC 5 Fan power end coil SELV 26VDC 6 Fan speed feedback signal...

Страница 51: ...re sensor SELV 5VDC 12 6 ST S Storage water temperature sensor SELV 5VDC 13 7 SP S Over heat temperature sensor SELV 5VDC 14 CN14 SMW250 09D 1 IWM GND SELV 14VDC 2 DHM Stepper motor position SELV 14VD...

Страница 52: ...f Display Power was Off Installer Mode C Hot Water DHW Set Point LOW Range 95 120 F 35 49 C DHW Set Point HIGH Range 121 140 F 49 5 60 C D Central Heat CH set point mode boiler only Toggle C F E Scrol...

Страница 53: ...l parameters DHW mode Combination boiler Set Point can be adjusted Outside temp or 0 10 V mode Operating by outside temperature or 0 10V Numeric Display Domestic Hot Water Mode Anti Freeze Mode Storag...

Страница 54: ...splay will go through a Start Up checklist and briefly show a sequence of diagnostic codes before entering into the Operating Mode It will then display the following information Indicate Example Curre...

Страница 55: ...rature Current Overheat temperature L rt 1 PH Burner Operation Time Supply power time Supply power time x 100 hour 2 rh Burner operation time Burner operation time x 1 hour 3 rH Burner operation time...

Страница 56: ...ged Turn dial E clockwise to increase and counterclockwise to decrease until desired temperature is reached Press dial E to save setpoint changes and to Exit Indicate Example Current DHW set point tem...

Страница 57: ...Set Point Change Mode Changing between Celsius and Fahrenheit When the button D is pressed for more than 5 seconds temperature unit will toggle between C and F To change Storage Mode Temp First turn...

Страница 58: ...F the Power to the Display Control Then with the power to the Display Control OFF Press and HOLD more than 5 seconds the Button B to get into the Installer Mode Rotate Dial E until you find the Instal...

Страница 59: ...ting operation Operate in burner ON temperature setting Range 12 7 C 9 F 2 7 C 27 F Default 2 7 C 27 F 15 OF Warm Weather Shutdown This warm weather temperature setting will shut down CH Mode 10 C 50...

Страница 60: ...firing When the signal rises above 1 5 volts the appliance will ignite As the signal continues to rise towards its maximum of 10 volts the appliance will increase in set point temperature Adjust 16 cH...

Страница 61: ...Page 59 5 11 Error Mode Flashing Indicate Example Error Er will flash Er 11 Error Code Er 11 Display and Controller are communicating NOTE When communication between the Control Display and the main c...

Страница 62: ...ance 3 Check Operating Temperature sensor at CH heat exchanger outlet If resistance is zero replace the sensor 4 If the problem persists replace the main control Hard Lock 20 Condensate Closed is Norm...

Страница 63: ...persists replace the main control Hard Lock 41 Fan Speed too High with Flame On Press the Power button to clear the Error Code If Error happens again 1 Check the vent connections for blockages 2 Check...

Страница 64: ...nd or the main control Soft Lock 80 Low Water Level Sensor Low Water Level Detected Four 4 Consecutive times This Error Code will go away when the condition is remedied If Error happens again 1 Ensure...

Страница 65: ...Mascot FT Floor Standing Combination Boiler Page 63 6 2 Fault Tree Analysis 1 Flame detection...

Страница 66: ...t Tree Analysis 2 Gas Detection 3 Storage DHW OP CH overheat Exhaust heat Sensor detects Error code contents E30 DHW Storage Temperature Sensor open or short E32 DHW NTC open or short E33 OP NTC open...

Страница 67: ...oo hot Make sure that the filter in the cold water supply line is not clogged with debris Make sure that the gas supply type is correct Hot water temperature fluctuates at the opened tap Make sure tha...

Страница 68: ...Volts at the service switch Troubleshoot and correct the power supply to the manual switch Is the ON OFF POWER SWITCH inside boiler case turned on Turn ON the manual power switch inside the boiler cas...

Страница 69: ...0 RPM when turned off Reset using manual reset screen on control panel Power button Check wire harness for loose connections and pin engagement at blower Connections Boiler in standby mode and blower...

Страница 70: ...ealed Call your qualified service technician if you notice any problems Check the relief valve Inspect the Combination boiler relief valve and the relief valve discharge pipe for any signs of weeping...

Страница 71: ...place of discharge avoiding any possibility of scalding from hot water If water flows freely release the lever and allow the valve to seat Watch the end of the relief valve discharge pipe to ensure t...

Страница 72: ...ual water inside the combination boiler 2 Press Power button on the front control panel to turn OFF the electrical power to the combination boiler 3 Turn off the gas valve 4 Close water supply valve o...

Страница 73: ...d on the wall Is there space for a drain which is close to the Boiler Are there any combustible materials near the Boiler and vent pipe Is the air supply sufficient for proper operation of the Boiler...

Страница 74: ...pressure relief valve of CH Plumbing at least 1 in diameter Is the pressure relief valve of DHW Plumbing at least 3 4 in diameter Have you installed the pressure relief valve on the hot water outlet...

Страница 75: ...Mascot FT Floor Standing Combination Boiler Page 73...

Страница 76: ...Systems Page 74 SECTION 6 Parts List and Illustrations CASE 17 19 20 22 23 25 26 27 31 28 29 32 35 36 37 38 39 43 44 15 16 34 30 21 18 33 40 41 42 45 24 16 1 16 2 16 4 16 5 16 7 15 2 15 1 15 1 16 6 16...

Страница 77: ...FT1616 21 PCB Bracket FT1617 22 Terminal Block FT1618 23 Bracket FT1619 24 Control Display FT1620 25 Power switch FT1020 26 DHW Tank Cover bracket FT1622 27 Casing Shelf FT1623 28 Front Cover upper FT...

Страница 78: ...LAARS Heating Systems Page 76 Heat Exchanger MFTCF140...

Страница 79: ...8 3 4 Packing FT1646 1 Jul 15 For IOM No Description Part Number 1 O Ring P7 FT1601 15 Air Inlet Duct Assembly FT1002 15 1 Air Inlet Duct FT1611 15 2 Air Inlet Adaptor FT1612 16 Exhaust Vent Duct Asse...

Страница 80: ...racket FT1619 24 Control Display FT1620 25 Power switch FT1020 26 DHW Tank Cover bracket FT1622 27 Casing Shelf FT1623 28 Front Cover upper FT1624 29 Threaded Knob FT1625 30 Display cover window FT102...

Страница 81: ...creen FT1720 91 Rubber gasket FT1721 92 Nozzle NG Natural FT1722 92 Nozzle LP Propane FT1722P 93 Gas pipe upper FT1723 94 Gas Valve Assembly FT1724 94 1 Gas Valve FT1725 94 2 Gas Valve bracket FT1726...

Страница 82: ...7 B 23 35 B 23 B 3 B 23 15 16 B 26 12 1 12 2 12 5 12 3 12 6 12 8 13 1 12 13 12 4 12 7 No Description Part Q ty Pr 12 Exhaust Vent Duct Assembly FT1010 12 1 Stainless band 100 16 1 FT1603 1 7 12 2 Duct...

Страница 83: ...Bracket FT1828 24 Air pressure switch FT1627 1 4 0 25 Front cover upper FT1829 26 Threaded Knob FT1830 27 Display cover window FT1024 28 Pressure gauge DHW 150 PSI FT1628 5 10 0 29 Pressure gauge 60...

Страница 84: ...LAARS Heating Systems Page 82 MFTCF199 Heat Exchanger Heat Exchanger Pump_ Feature List No Description Part Q ty Price 1 O Ring P7 FT1601 3 O Ring P16 FT1643 5 O Ring P 22 FT1644...

Страница 85: ...Ignitor FT1763 61 6 Burner gasket FT1663 61 7 Overheat sensor FT1310 61 8 Burner lower side case FT1764 61 9 Refractory FT1826 62 Flame detector FT1669 63 Flame sensor cover FT1069 64 Infrared light s...

Страница 86: ...let pipe FT1834 1 5 5 50 Mixing valve FT1701 51 Cold water inlet pipe FT1835 1 5 5 52 Flow sensor FT1115 DHW Tank _ List No Description Part Q ty 2 O Ring P15 FT1685 3 O Ring P16 FT1643 4 O Ring P18 F...

Страница 87: ...alve _ List No Description Part Q ty 9 1 2 Packing FT1710 10 80 Fan Guide FT1769 3 81 Flapper Packing FT1770 5 82 Damper Body FT1081 5 83 Air Blow Rubber Pad FT1082 5 84 Fan Guide Packing FT1772 5 85...

Страница 88: ...W 1W8 905 238 0100 Fax 905 366 0130 www Laars com Litho in U S A Laars Heating Systems 1609 Document 1320B Dimensions and specifications subject to change without notice in accordance with our policy...

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