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Installation and operation manual

–

DTH-V9-2020

DTH

–

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
dimensions are identical).

A

AIR

A

AIR

A

AIR

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Содержание DTH Series

Страница 1: ...DTH V9 2020 DTH Series Installation Outdoor Indoor INSTALLATION AND OPERATION MANUAL 1385 Lionel Boulet blvd Varennes Quebec Canada J3X1P7...

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: ...dow 27 Level 1 Air Gas relation 28 Level 1 Alarm history 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 t...

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 Posi...

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: ...0 17 6 150 3 9 0 97 150 10 2 5 14 3 5 4 0 0 99 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...

Страница 7: ...n 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 unit...

Страница 8: ...al DTH V9 2020 DTH 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 dimension...

Страница 9: ...4 F 19 21 25 27 28 32 32 32 37 37 E 8 7 8 8 7 8 8 7 8 8 7 8 8 7 8 8 7 8 8 7 8 8 7 8 8 7 8 8 7 8 S 45 45 45 45 51 51 56 1 2 56 1 2 56 1 2 72 NN 18 1 4 20 1 4 24 1 4 26 1 2 27 1 2 29 27 25 35 35 Dim Me...

Страница 10: ...g on the model the flue vent connection diameter ranges from 6 to 10 inch The DTH models are designed to operate effectively and safely with a positive stack category III type sealed single wall or do...

Страница 11: ...s 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 o...

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: ...ff 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: ...8m 6 to the side 0 9m 3 above Electrical or 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 B...

Страница 16: ...ss insulator able to withstand temperatures of 288 Celsius 550F In certain conditions these units can produce condensate This corrosive liquid must be treated and drain correctly with provision to pre...

Страница 17: ...16 Installation and operation manual DTH V9 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: ...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...

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

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 5 O2 approx...

Страница 21: ...t 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 s...

Страница 22: ...begin 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 a...

Страница 23: ...imately 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 a...

Страница 24: ...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 35mm 1 38 in top ha...

Страница 25: ...ng port 17 Locking hook Hook not included PLC status LEDs description 1 System status LEDs Label Function Color Description PWR Power Green On Power is applied RUN Machine status Green On Valid applic...

Страница 26: ...t Stop Burner request by others I6 Burner air proving switch Alarm I7 Flue vent back pressure Alarm I8 Burner On status proof relay I9 Air Intake low pressure Alarm I11 Valve proving system relay with...

Страница 27: ...manual DTH V9 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 Pas...

Страница 28: ...llowing a linearization curve 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...

Страница 29: ...raphic 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 line...

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 for details 2 E...

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: ...s 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 a...

Страница 33: ...ive 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 a...

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 Modul...

Страница 35: ...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 5...

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

Страница 37: ...36 Installation and operation manual DTH V9 2020 Typical wiring diagram TYPICAL WIRING DIAGRAM TYPICAL WIRING DIAGRAM TYPICAL WIRING DIAGRAM...

Страница 38: ...37 Installation and operation manual DTH V9 2020 TYPICAL WIRING DIAGRAM...

Страница 39: ...ch 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 obstructs the air inlet an...

Страница 40: ...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 controls are operational...

Страница 41: ...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 42: ...nt Top air baffle installed Low limit installed Condensate drain Note ______________________________________________________________________________________________ Start up Flame signal _________ VDC...

Страница 43: ...____________________________________________________________ ___________________________________________________________________________________________________ _______________________________________...

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