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Nagas DTHC Series Скачать руководство пользователя страница 18

17

Installation and operation manual

–

DTHC-V4-2020

•

Recommended wall vertical Flue Vent Exhaust

Important

The

flue vent

and

combustion air

duct can have a

maximum equivalent length of 100 feet

calculated

. The equivalent length is calculated by adding the lengths of straight sections of the flue

vent, to the equivalent length of all the elbow pipes used. A 90-degree elbow pipes has an

equivalent length of 3m (10’) and a

45-degree angle elbow pipes has an equivalent length of 1.5m

(5’).

Every unit are supplied with an

Industrial Chimney Company (ICC)

Category IV adaptor ready for

VIC series

flue vent installation. Call manufacturer or its distributer for more information:

Industrial Chimney Company

St-Jérôme (Québec), Canada, J7Y 4B7, T. (450) 565-6336,

DTHC

Model

Unit Flue vent

diameter

Ducting Flue vent

diameter

(minimum)

Combustion Air

intake diameter

(minimum)

Inches

mm

Inches

mm

Inches

mm

39 to 73

6

152.4

6

152.4

8

203.2

84 to 169

8

203.2

8

203.2

10

254

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Содержание DTHC Series

Страница 1: ...DTHC V4 2020 DTHC Series Installation Outdoor Indoor 1385 Lionel Boulet blvd Varennes Quebec Canada J3X1P7 INSTALLATION AND OPERATION MANUAL...

Страница 2: ...cause serious injury death or property damages Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS o Do not tr...

Страница 3: ...29 Level 2 Fan RPM auto tuning 30 Level 2 Signal supervision 31 Level 2 Step timer 32 PLC alarms 33 Flame safeguard alarms 34 Flame safeguard troubleshooting 35 Typical wiring diagram 36 37 Start sto...

Страница 4: ...floor Allocate enough space around the unit for maintenance and around the combustion air intake and the inlet air hood to prevent harmful accumulation of snow Clearances to combustible materials Pos...

Страница 5: ...gh pressure regulator must be installed at gas piping inlet The regulator must be suitable for modulation ratio of 40 1 to properly regulate gas pressure at low fire The regulator vent must be piped s...

Страница 6: ...10 2 5 14 3 5 The pressure adjustment may vary slightly See the unit name plate for the exact value With optional 2 NPT gas train With standard 1 1 2 NPT gas train At maximum capacity dynamic pressure...

Страница 7: ...when facing air stream Unit dimensions WARNING Improper installation adjustment alteration can cause serious injury death or property damages Note The controls shown are on the left hand side of the...

Страница 8: ...l DTHC V4 2020 DTHC Vertical discharge Left hand control when facing air stream Note The controls shown are on the left hand side of the unit for a right hand unit the drawing is mirrored and dimensio...

Страница 9: ...1 2 17 23 28 V 20 5 8 23 3 8 20 3 8 26 3 4 W 29 5 8 35 36 3 4 37 3 4 39 1 4 46 1 4 AA 72 7 8 82 5 8 90 1 4 100 7 8 F 25 28 32 37 E 9 1 4 9 3 8 9 3 8 9 5 8 S 45 51 56 1 2 72 NN 24 1 4 27 1 4 30 7 8 35...

Страница 10: ...er ranges from 6 to 8 inch The DTHC models are designed to operate effectively and safely with a positive stack category IV type sealed single wall or double wall corrosion resistant flue vent listed...

Страница 11: ...is essential for the proper operation of the unit Improper positioning of the supply temperature sensor could result in high temperatures in the supply ducts a thermal protection shutdown the closing...

Страница 12: ...g diagram for remaining wiring connections Main 120V 60Hz 1ph ac power supply see wiring diagram for current On Off contact for heating demand This heating demand must be wired in series with at least...

Страница 13: ...h screen interface 2 Programmable logic controller PLC 3 Heating element 4 Input Output expansion module I O 5 Ignition transformer 6 High limit protection set at 160oF 7 Flame safeguard module 8 Ther...

Страница 14: ...off valve 1 7 Valve proving system with IRI option 8 Main gas safety shutoff valve 2 9 Modulating gas valve actuator 10 Modulating gas valve 11 Low fire orifice bypass 12 Test firing gas valve 13 High...

Страница 15: ...r gas meter regulator and relief equipment 1 8m 6 to the side Canadian standards 1 2m 4 to the side U S A standards Vent outlet from another service 0 9m 3 Building or adjacent wall or parapet 1 8m 6...

Страница 16: ...ding of many conditions This corrosive liquid must be treated and drain correctly with provision to prevent freezing See Drain line installation sections for details It is very important not to orient...

Страница 17: ...16 Installation and operation manual DTHC V4 2020 Recommended roof top Flue Vent Exhaust and or Combustion Air Duct Recommended wall horizontal Flue Vent Exhaust and Combustion Air Duct Concentric kit...

Страница 18: ...s an equivalent length of 3m 10 and a 45 degree angle elbow pipes has an equivalent length of 1 5m 5 Every unit are supplied with an Industrial Chimney Company ICC Category IV adaptor ready for VIC se...

Страница 19: ...ification section for location Ensure that the gas inlet pressure complies with the following value Standard inlet pressure Natural Gas Propane LP Minimum 7 in w c 1 74 kPa 11 in w c 2 74 kPa Maximum...

Страница 20: ...excess air Compare the manifold pressure with the name plate indication Adjust the gas regulator if needed to obtain the right value At high fire you should have a combustion reading of 3 4 O2 approx...

Страница 21: ...st is above 2 3 VDC the safety verification is enabled Step 2 Safety verification S20 S25 The burner air proving switch PAB1 is verified during the two following tests 1 Activation of the air proving...

Страница 22: ...begins Modulating gas valve and the blower follow the request signal value According to the gas valve position the blower modulates following an air gas relation curve pre set into the PLC memory to...

Страница 23: ...oximately in order to purge the heat exchanger After the post purge delay the sequence returns to the standby step But if an alarm is active a manual reset is required on the HMI touch screen When the...

Страница 24: ...slot Not used 5 LEDs I O states Digital inputs relay outputs and fast output LEDs 6 USB mini B port For terminal connection to a computer for programming need SoMachine program 7 Clip on lock For 35m...

Страница 25: ...ules 16 Protective cover Cover for SD card Run Stop switch and USB mini B programming port 17 Locking hook Hook not included PLC status LEDs description 1 System status LEDs Label Function Color Descr...

Страница 26: ...e TM3 3 Used PLC I Os Input Description I0 Blower Speed RPM I5 Start Stop Burner request by others I6 Burner air proving switch Alarm I7 Flue vent back pressure Alarm I8 Burner On status proof relay I...

Страница 27: ...manual DTHC V4 2020 The following diagram describes the structure of different levels in the HMI Display HMI features Home page Run window Level 1 menu Level 3 menu Password protected Level 4 menu Pa...

Страница 28: ...heating demand and the air blower will follow the gas valve feedback position with the correspondent value determined in the fan modulation table 1 Heat Heating demand signal VDC 2 Gas Gas valve modul...

Страница 29: ...Graphic Fan modulation curve for each 0 5 V of gas valve position The vertical rectangle shows the position you have selected for modification If the unit is running vertical and horizontal dashed lin...

Страница 30: ...codes The number 1 being the most recent code 1 Code The alarm code number is related to an alarm type first digit and in which steps it s happened second digit See PLC Alarms section 36 for details 2...

Страница 31: ...is possible only if the demand contact I5 on the PLC is open not activated At the end of the process a confirmation will be asked see item 4 2 Fan command in 3 rpm Fan rpm feedback during the process...

Страница 32: ...as Gas valve modulation signal demand first row and actual position feedback signal second row Expressed in volt V Can be different to Heat command 3 Air Burner air blower modulation demand first row...

Страница 33: ...tive In this example the prepurge step is now at 6 seconds on a 40 seconds timer 1 Actual count Timer count in real time sec 2 Maximum Maximum value of the count In some situation it s a goal or it s...

Страница 34: ...on the flame safeguard Flame safeguard in alarm see next section Fan feedback lost Combustion air fan feedback signal is missing during 40 Burner ignition step 4 41 Flame stabilization step 5 42 Modu...

Страница 35: ...e Trouble code Trouble description alarms Red Lights OPR CTRL Air flow PTFI Flame Alarm 6 Frequency noise O O 7 Pilot flame failure PTFI O 19 Burner flame failure MTFI O O 21 Lockout Interlock open O...

Страница 36: ...temperature maximum temperature safety switch opens at 160 F Verify the temperature sensor positon need to read average temperature Verify burner modulation all controls and temperature signal Verify...

Страница 37: ...36 Installation and operation manual DTHC V4 2020 Typical wiring diagram TYPICAL WIRING DIAGRAM TYPICAL WIRING DIAGRAM TYPICAL WIRING DIAGRAM...

Страница 38: ...37 Installation and operation manual DTHC V4 2020 TYPICAL WIRING DIAGRAM...

Страница 39: ...tch in OFF position 2 Check fan belts and adjust or replace if necessary 3 Check the condition of filters and replace if necessary 4 Make sure nothing partially or completely obstruct the air inlet an...

Страница 40: ...RS LARGE PRE PUNCHED HOLE CENTRAL WALL 90DEG ELBOW BY OTHERS TEE BY OTHERS RIGID DRAIN TUBE DRAIN OUTLET 2 DRAIN OUTLET 1 LONG DRAIN SECTION BY OTHERS LARGE PRE PUNCHED ENTRY HOLE SIDE WALL DRAIN OUTL...

Страница 41: ...or it could cause drain clogs 10 To prevent flue gas from entering the building and living space you must form a p trap before discharging the condensate into the sewer drain pipe or where the conden...

Страница 42: ...offering some features or stop producing a given model size without prior notice For more information please contact your local representative and authorized distributor Optional Axiom condensate neut...

Страница 43: ...GFCI PROTECTION AC DUPLEX RECEPTACLE W NEMA 5 15 GROUNDED SOCKETS AND 120VAC POWER SUPPLY SUPPLIED BY OTHERS 120v MUST ALWAYS BE ON DO NOT FEED WITH UNIT POWER SUPPLY 120VAC POWER PLUG HEAT TRACE SYST...

Страница 44: ...and living space you must form a p trap before discharging the condensate into the sewer drain pipe or where the condensate piping terminates You can either build one with extra pipe and fitting or in...

Страница 45: ...he sewer drain pipe or where the condensate piping terminates and before it reaches the condensate neutralization tank which does not provide the required flue gas trap 5 Secure the trap loop and the...

Страница 46: ...flammable materials near the unit Make sure that the combustion air inlet and flue vent are not blocked or obstructed Verify flame state and combustion Verify that all safety control are operational...

Страница 47: ...d damages caused by improper matching or applications of the product or the product s components e damages caused by failing to provide routine and proper maintenance or service to the product f expen...

Страница 48: ...air baffle installed Low limit installed Condensate drain Neutralizer kit Note ______________________________________________________________________________________________ Start up Flame signal ____...

Страница 49: ..._____________________________________________________________ ___________________________________________________________________________________________________ ______________________________________...

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