TriangleTube Marquis TWH180 Installation Manual Download Page 29

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Control System

Connector

Descriptions

HT SELV

Max. Length

no. of location

and type

Pin nr.

Board Silk

CN7

LWD1140-14

F.S

Flame detect sensor

SELV (5VDC)

<=1.5m

OP.S

Operation water temperature sensor

SELV (5VDC)

<=1.5m

DH.S

DHW temperature sensor

SELV (5VDC)

<=1.5m

I.S

Inlet water temperature sensor

SELV (5VDC)

<=1.5m

BG.S

Exhaust temperature sensor

SELV (5VDC)

<=1.5m

ST.S

Unused

SP.S

Unused

CN12

SMW250-07

AGM

AGM stepper motor coil /Y phase

SELV (24VDC)

<=1.5m

AGM stepper motor coil /Y phase

SELV (24VDC)

<=1.5m

AGM stepper motor coil /X phase

SELV (24VDC)

<=1.5m

AGM stepper motor coil /X phase

SELV (24VDC)

<=1.5m

GND

SELV (24VDC)

<=1.5m

AGM stepper motor coil /Y phase

SELV (24VDC)

<=1.5m

VDD

SELV (24VDC)

<=1.5m

CN10

SMW250-08

DHM

DHM stepper motor coil /Y phase

SELV (14VDC)

<=1.5m

DHM stepper motor coil /Y phase

SELV (14VDC)

<=1.5m

DHM stepper motor coil /X phase

SELV (14VDC)

<=1.5m

DHM stepper motor coil /X phase

SELV (14VDC)

<=1.5m

GND

SELV (14VDC)

<=1.5m

DHM stepper motor position

SELV (14VDC)

<=1.5m

Unused

SELV (14VDC)

<=1.5m

VDD

SELV (14VDC)

<=1.5m

CN14

SMW250-09

IWM

GND

SELV (14VDC)

<=1.5m

IWM stepper motor position

SELV (14VDC)

<=1.5m

VDD

SELV (14VDC)

<=1.5m

IWM stepper motor coil X phase

SELV (14VDC)

<=1.5m

IWM stepper motor coil Y phase

SELV (14VDC)

<=1.5m

VDD

SELV (14VDC)

<=1.5m

IWM stepper motor coil /X phase

SELV (14VDC)

<=1.5m

IWM power IWM stepper motor coil /Y phase SELV (14VDC)

<=1.5m

Unused

Marquis Manual_61515_Water Heater 7/1/15 1:58 PM Page 29

Summary of Contents for Marquis TWH180

Page 1: ... Gas Condensing Water Heater Natural Gas NG TWH180 Liquid Propane Gas LP TWH180LP If the information in these instructions is not followed exactly a fire or explosion may result caus ing property damage personal injury or death 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 Do not try to light any applia...

Page 2: ...Installation Vent pipe installation 9 Direct vent guidelines 10 Category IV vent guidelines 11 Maximum allowable vent lengths 11 Vent termination 11 Bird screen installation 11 Horizontal vent terminations 12 Vertical vent terminations 12 Venting Installation 13 Recommended vent materials 13 Vent pipe combustion air pipe adapters 13 Category IV venting 13 Gas Piping Natural gas pipe sizing 14 Prop...

Page 3: ...rt Up Procedures Quick review Before installing 28 Install water piping 28 Install vent air piping 28 Install condensate drain 28 Install gas piping 28 Wire the water heater 28 Start up adjust test 28 Final check list Installation conditions 28 Gas pipe installation 28 Air vent pipe installation 28 Condensate drain installation 29 Setting the DIP switches 29 Connecting the power supply 29 Pressure...

Page 4: ...e Tube Marquis Water Heater TWH180 TWH180LP User s and Installation Manuals Marquis Marquis Installation Manual 0 0 0 1 1 0 Condensate Hose Anchors and Wall mounting bracket Vent Termination Caps Marquis Manual_61515_Water Heater 7 1 15 1 58 PM Page 4 ...

Page 5: ...haust Temperature High Limit Switch Water Temperature High Limit Switch Frost Protection Ceramic Heater Secondary Heat Exchanger SS 304 Heat Exchanger Connection Sizes Materials Max Min 150 psi 15 psi WaterInlet Outlet 3 4 NPT 3 4 NPT Gas Input Rate Indoor Wall Hung 0 14 WC 0 08 WC 0 09 WC 0 13 WC Min Max Max power consumption 3 5 WC 10 5 WC 8 0 WC 13 0 WC 9 5 7 1 2 50 ft 3 100ft Schedule 40 PVC C...

Page 6: ...ons A B C D F G E Item Description Diameter A Exhaust Outlet Adapter 3 B Air Intake Adapter 3 C Gas Inlet 3 4 D Hot Water Outlet 3 4 E Cold Water Inlet 3 4 F Condensate Drain 1 2 G Cold Water Stainer Marquis Manual_61515_Water Heater 7 1 15 1 58 PM Page 6 ...

Page 7: ...erheat Switch 25 Main Controller 8 Sight Glass 26 Display Panel 9 Primary Heat Exchanger 27 Secondary Heat Exchanger 10 Hot Water Outlet Pipe 28 Flame Detection Sensor 11 Mixing Valve 29 Burner Case 12 Ceramic Heater 30 Burner Overheat Switch 13 Air Pressure Switch 31 Gas Valve 14 Gas Inlet 32 Exhaust Duct 15 Gas Inlet Pipe 33 Gas Inlet Pipe 16 Freeze Protector 34 BLDC Fan 17 DHW Outlet 35 Air Int...

Page 8: ... 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 pilot It is equipped with an ignition device which auto matically lights the burner Do not try to light the burner by hand B BEFORE OPERATING smell all around the appli ance area for gas Be sure to smell next to the floor because some g...

Page 9: ...ng flood physical damage or any other damaging condition that might affect the operation of the unit Water Heater must be checked by a qualified technician before resum ing operation DO NOT use this Water Heater if any part has been submerged under water Immediately call a qualified technician for inspecting the Water Heater and replacing any part of the control system and gas control which has be...

Page 10: ...urn off the manual gas valve Make sure that there is no foreign object in the vent passage or rodent screen If you do not find any problem do the following Turn off the error state by pressing the power button on display panel If the error occurs again call your service tech nician or gas supplier Marquis Manual_61515_Water Heater 7 1 15 1 58 PM Page 10 ...

Page 11: ... water heater was installed in a narrow space or corner please ensure that there is sufficient space for service and maintenance access For reg ular maintenance there should not be any problem accessing gas and water lines The water heater must be installed on a wall that can bear its weight CLEARANCES FOR SERVICE ACCESS The water heater must be installed on a wall that can bear its weight The Wat...

Page 12: ...n installing the heater At the time of removal of an existing water heater the following steps shall be followed with each appli ance remaining connected to the common venting system placed in operation while the other appli ances remaining connected to the common venting system are not in operation a Seal any unused openings in the common vent ing system b Visually inspect the venting system for ...

Page 13: ...ttom of the vent and air intake terminal must be at least 12 above the normal snow line In no case should they be less than 12 above grade level Do not install the vent terminal directly over win dows or doors Air intake terminal must not terminate in areas that might contain combustion air contaminates such as near swimming pools For sidewall venting the minimum horizontal distance between any ad...

Page 14: ... also maintain the following clearances as shown below a At least 3 feet 0 9 m from adjacent walls b At least 3 feet 0 9 m below roof over hangs c At least 7 feet 2 1 m above any public walkways d At least 3 feet 0 9 m above any forced air intake within 10 feet 3 m e No closer than 4 feet 1 2 m below or horizon tally from any door or window or gravity air inlet Maximum Allowable Vent Lengths PVC C...

Page 15: ...ontal Vent Terminations Direct Vent Sidewall Terminations Direct Vent Optional Sidewall Snorkel Terminations 3 Vertical Vent Terminations Direct Vent Vertical Terminations with Sloped Roof Marquis Manual_61515_Water Heater 7 1 15 1 58 PM Page 15 ...

Page 16: ...C This water heater has a built in control to limit the exhaust temperature to 149 F 65 C The following type of non metallic vent can be used PVC schedule 40 ASTM D1785 CPVC schedule 40 ASTM D2846 PP ULC S636 Use of cellular core PVC ASTM F891 cellular core CPVC or Radel polyphenolsulfone in venting sys tems shall be prohibited Covering non metallic vent pipe and fittings with thermal insulation i...

Page 17: ...10 20 30 40 50 60 80 100 150 200 1 2 172 118 95 81 72 65 56 50 40 34 3 4 360 247 199 170 151 137 117 104 83 71 1 678 466 374 320 284 257 220 195 157 134 1 1 4 1390 957 768 657 583 528 452 400 322 275 1 1 2 2090 1430 1150 985 873 791 677 600 482 412 2 4020 2760 2220 1900 1680 1520 1300 1160 928 794 Length of Black Iron Pipe Schedule 40 Metallic Length of Black Iron Pipe Schedule 40 Metallic Pipe Si...

Page 18: ...e gas supply line should be installed close to the unit To facilitate any future maintenance it is also rec ommended that gas union be installed in the supply line between the shut off valve and the 3 4 female NPT connection on the Water Heater 1 Install gas pipe to gas line connection under the Water Heater Include manual shut off valve and gas union connection as shown 2 Test gas pressure to mak...

Page 19: ...total capacity of connected appliances s Other appliance Sediment Trap The Water Heater is be connected to the Full size gas pipe LP GAS TANK shut off valve Gas Regulator 2 psi Gas Regulator supply press s 12 1 2 pipe Sediment Trap Other appliance Manual NG Gas typical installation LP Gas typical installation Marquis Manual_61515_Water Heater 7 1 15 1 58 PM Page 19 ...

Page 20: ...blemish Do not apply torch heat within 12 of the bottom con nections of the unit The pipe size used for the inlet water should be the same size used for the outlet water The size of the hot water pipe should be a minimum 3 4 diameter Isolation valves must be used ACV Triangle Tube highly recommends installation of tankless water heater isolation valves with flush ing ports for routine maintenance ...

Page 21: ...afety feature there fore a pressure only relief valve is required Direct the discharge piping of the pressure relief valve so that hot water will not splash on anyone or any nearby equipment Attach the discharge line to the pressure relief valve and run the end of the line to a suitable drain No other valve should be placed between the pres sure relief valve Condensate Drain The Water Heater creat...

Page 22: ...k hazard Failure to do so can cause severe personal injury or death This appliance must be electrically grounded En sure the electrical receptacle in which the water heater will be plugged into is properly grounded Do not attach the ground wire to either the gas or the water piping as plastic pipe or dielectric unions may isolate the Water Heater electrically The wiring diagrams contained in this ...

Page 23: ...ater heater at a specific altitude Setting in Installer Mode should be set as describe below Above 2 000ft 610m the water heater will de rate by 4 for each 1 000ft 305m of altitude gain Figures below are available within range of 2 000 4 500 ft 610 1350 m CAUTION High Altitude Setting Level Value 9 HA Choose an altitude from the following four options where water heater is installed 0 2 0 1 999 ft...

Page 24: ...Installer mode 2 Turn the dial to reach the high altitude setting then press the dial button 3 Turn the dial clockwise to select the high altitude set ting for the application Default setting is 0 2 and high elevation is above 2 000ft as sea level 4 Press the dial button to store the current setting and return back to Installer mode Marquis Manual_61515_Water Heater 7 1 15 1 58 PM Page 24 ...

Page 25: ... purge time 180s Over heating 1 2 3 protection detection time 1s Temperature sensor fault detection time 2s Nr of trial for ignition 10 DHW water SET temperature range DHW water OFF temperature DHW target temperature DHW differentials temperature 15ºC DHW water ON temperature Below DHW target temperature 3ºC DHW water ON minimum water flow 0 5 GPM DHW water OFF minimum water flow 0 4 GPM System Co...

Page 26: ...23 Control System Marquis Manual_61515_Water Heater 7 1 15 1 58 PM Page 26 ...

Page 27: ...24 Control System Ladder Diagram Marquis Manual_61515_Water Heater 7 1 15 1 58 PM Page 27 ...

Page 28: ...D1140 06 1 FAN Unused 1 5m 2 GND SELV 30VDC 1 5m 3 VDD SELV 14VDC 1 5m 4 Fan power start coil SELV 30VDC 1 5m 5 Fan power end coil SELV 30VDC 1 5m 6 Fan speed feedback signal SELV 14VDC 1 5m CN8 SMW250 04 1 MCU ISP GND SELV 5VDC 1 5m 2 ISP Reset port SELV 5VDC 1 5m 3 ISP TOOL0 Data port SELV 5VDC 1 5m 4 VCC SELV 5VDC 1 5m CN11 LWD1140 16 1 HWL Unused 8 2 LWL Unused 10 3 HD Unused 11 4 TH Connect t...

Page 29: ...1 5m 5 GND SELV 24VDC 1 5m 6 AGM stepper motor coil Y phase SELV 24VDC 1 5m 7 VDD SELV 24VDC 1 5m CN10 SMW250 08 1 DHM DHM stepper motor coil Y phase SELV 14VDC 1 5m 2 DHM stepper motor coil Y phase SELV 14VDC 1 5m 3 DHM stepper motor coil X phase SELV 14VDC 1 5m 4 DHM stepper motor coil X phase SELV 14VDC 1 5m 5 GND SELV 14VDC 1 5m 6 DHM stepper motor position SELV 14VDC 1 5m 7 Unused SELV 14VDC ...

Page 30: ... Silk CN3 SMW250 06 1 WPS Unused SELV 5VDC 1 5m 2 Unused SELV 5VDC 1 5m 3 Unused SELV 5VDC 1 5m 4 FLUX1 VCC SELV 5VDC 1 5m 5 Water flow sensor SELV 5VDC 1 5m 6 GND SELV 5VDC 1 5m CN5 SMW250 10 1 RPM Fan RPM check SELV 5VDC 1 5m 2 GND SELV 5VDC 1 5m Marquis Manual_61515_Water Heater 7 1 15 1 58 PM Page 30 ...

Page 31: ...ar the Water Heater or vent pipe Is air supply sufficient for proper operation of the Water Heater Are the proper service clearances maintained Is the distance between the Water Heater and point of vent termination minimized Are the proper space from windows doors and other intake vents maintained Final check Gas pipe installation Is the gas supply line equipped with a manual shut off valve Is the...

Page 32: ...ure relief valve Have you installed an approved pressure relief valve on the water heater Is the pressure relief valve at least 3 4 in diam eter Have you installed the pressure relief valve on the hot water outlet pipe near the Water Heater Final check Burner flames The burner flame must be checked periodically for a constant proper blue color If the flame does not appear normal the burner may nee...

Page 33: ... 3 6 Fan speed too high as to flue blocked Gas Valve locks Out below 2 Seconds Controlled safety cut off E41 displays Burner Limit Overheating S W CN11 EL 7 15 Burner Limit Overheated Gas Valve locks Out below 1 Seconds Controlled safety cut off E43 displays High Limit Overheating S W CN11 HL 8 16 High Limit Overheated Gas Valve locks Out below 1 Seconds Controlled safety cut off E20 displays APS ...

Page 34: ...31 Repair Parts Diagram Marquis Manual_61515_Water Heater 7 1 15 1 58 PM Page 34 ...

Page 35: ...upply Pipe MQPIP01 8 Condensate Trap MQTRAP01 10 Air Pressure Switch MQSWI01 11 Bracket MQBRK01 12 Display MQDISP01 13 Controller MQCON01 14 Controller Bracket MQBRK02 15 Power Switch MQSWI02 16 Flow Control Valve MQVLV01 17 Water Inlet Pipe ASS Y MQVLV02 17 3 Water Inlet Filter MQFIL01 18 Case Bracket Left MQBRK03 19 Case Bracket Right MQBRK03 20 Intake Air Adapter MQADPT02 Marquis Manual_61515_W...

Page 36: ...33 Repair Parts Diagram Marquis Manual_61515_Water Heater 7 1 15 1 58 PM Page 36 ...

Page 37: ...34 Repair Parts Diagram 4 Marquis Manual_61515_Water Heater 7 1 15 1 58 PM Page 37 ...

Page 38: ...4 Fan Bracket MQBRK04 35 5 Burner Overheat Sensor MQSENS03 35 6 Burner Head MQHEAD02 36 Flame Detector MQSENS04 37 Mixing Valve MQVLV06 38 Heat Exchanger Temperature Sensor MQSENS05 39 Heat Exchanger Overheat Sensor MQSENS06 40 DHW Outlet Pipe MQPIP02 41 Water Pipe Clip MQCLP01 42 DHW Inlet Pipe MQPIP03 43 Ceramic Heater MQHEA01 44 Gas Valve Pipe Upper MQVLV03 45 Gas Valve Pipe Lower MQVLV04 46 Ga...

Page 39: ...available from Triangle Tube Phase III Available in capacities from 25 000 BTU hr to 5 000 000 BTU hr Exclusive Tank in Tank design Stainless steel construction Available in 7 sizes Limited LIFETIME residential warranty 6 year limited commercial warranty Self cleaning self descaling design West Deptford NJ 08066 www triangletube com 856 228 3584 856 228 8881 1240 Forest Pkwy Suite 100 p f 95 AFUE ...

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