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WARNING
Read the Installation Manual carefully and be sure that your water heater has been properly assem-
bled, installed and maintained. Failure to follow these instructions exactly could result in a fire or
explosion, serious bodily injury and/or property damage.
This product must be installed and serviced by a licensed plumber, a licensed gas fitter, or a profes-
sional technician in accordance with all local codes.
Improper installation and/or operation by an unqualified person will void the warranty.
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 appliance.
·
Do not touch any electrical switch; 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.
–
Installation and service must be performed by a qualified installer, service agency or the gas supplier.
Date: 7/16/15
Marquis
Marquis
Installation Manual
Model
TWH180 / TWH180LP
Gas Condensing Water Heater
• Natural Gas (NG) - TWH180
• Liquid Propane Gas (LP) - TWH180LP
2015-6 Marquis Manual
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Table of Contents
Related Manuals for TriangleTube Marquis TWH180LP
Summary of Contents for TriangleTube Marquis TWH180LP
- Page 1 Marquis Marquis Installation Manual Model TWH180 / TWH180LP Gas Condensing Water Heater • Natural Gas (NG) - TWH180 • Liquid Propane Gas (LP) - TWH180LP WARNING Read the Installation Manual carefully and be sure that your water heater has been properly assem- bled, installed and maintained.
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Page 2: Table Of Contents
Table of Contents Product Accessories Product accessories ..........1 Product Specifications Specifications . - Page 3 Table of Contents Water piping Plumbing and water connection guidelines ......17 Backflow preventer .
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Page 4: Product Accessories
Product Accessories Item Description ACV-Triangle Tube Marquis Water Heater TWH180 / TWH180LP Marquis Marquis Installation Manual + '&!"&+$&# ,"* " ,"* User’s and Installation Manuals ,-* % . $)-$! *'( &" #() !! ) $# #* ! ' *!!. # (*' ) ) .$*' , ) ' # %'$% '!. -
Page 5: Product Specifications
Product Specifications Speci cations MODEL TWH180 TWH180LP Fuel Natural Gas Propane Max. 180,000 Btu/h Gas Input Rate Min. 18,000 Btu/h Energy Factor 35ºF Rise 9.8 GPM Hot Water Capacity 45ºF Rise 7.6 GPM 77ºF Rise 4.4 GPM Installation Indoor Wall Hung Flue System Sealed Combustion Direct Vent Vent... -
Page 6: Specifications
Product Specifications Dimensions Top View Bottom View Item Description Diameter Exhaust Outlet Adapter 3” Air Intake Adapter 3” Gas Inlet 3/4” Hot Water Outlet 3/4” Cold Water Inlet 3/4” Condensate Drain 1/2” Cold Water Stainer... -
Page 7: Component Locations
Product Specifications Component Locations Item Description Item Description Exhaust Outlet Adapter Cold Water Inlet Air Intake Pipe Cold Water Inlet Strainer AGM (Air Gas Mixer) Manual Power Switch Ignition Transformer DHW NTC Igniter Water Adjustment Valve OP NTC Condensate Trap Hose H/L Overheat Switch Main Controller Sight Glass... -
Page 8: Product And Safety Information
Product & Safety Information WARNING WARNING To avoid product damage, personal injury, or even FOR YOUR SAFETY READ BEFORE OPERATING possible death, carefully read, understand, and fol- If you do not follow these instructions exactly, a fire low all the instructions in the Installation and or explosion could result causing property damage, Operation manual before installation, operation and personal injury or loss of life. -
Page 9: Flammable Vapors
Product & Safety Information • Proper care is your responsibility. Carefully read and understand the Operating Information in this manual before operating the Marquis Water Heater. • Be aware of the location of the gas shut-off valve and operation method. •... - Page 10 Product & Safety Information This water heater is equipped with a blocked vent shutoff system. If the error code ‘41’ occurs, follow the instructions below. Turn off the manual gas valve. Make sure that there is no foreign object in the vent passage or rodent screen.
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Page 11: Unit Installation
Unit Installation If the water heater was installed in a narrow space WARNING or corner, please ensure that there is sufficient space for service and maintenance access. For reg- Installations must comply with: ular maintenance, there should not be any problem accessing gas and water lines. -
Page 12: Vent/Combustion Air Installation
Vent / Combustion Air Installation • If overheating occurs or the gas supply fails to shut • After four anchors are inserted in the holes, mount off, turn off the manual gas valve. the wall bracket. • This installation must conform with below section •... -
Page 13: Direct Vent Guidelines
Vent / Combustion Air Installation venting system, the common venting system Air intake terminal must not terminate in areas should be resized to the minimum size as deter- that might contain combustion air contaminates, mined using the appropriate tables in Chapter such as near swimming pools. -
Page 14: Category Iv Vent Guidelines
Vent / Combustion Air Installation Category IV Vent Guidelines Maximum Allowable Vent Lengths (PVC, CPVC, PP) 1. Vent system installation must be in accordance with Local TWH180/ Maximum Maximum codes or, in the absence of local codes, the National Fuel TWH180LP Length Elbows... -
Page 15: Horizontal Vent Terminations
Vent / Combustion Air Installation 2. Horizontal Vent Terminations • Direct Vent - Sidewall Terminations • Direct Vent - Optional Sidewall Snorkel Terminations 3. Vertical Vent Terminations • Direct Vent - Vertical Terminations with Sloped Roof... -
Page 16: Venting Installation
Vent / Combustion Air Installation Venting Installation 3inch pipe connecting The water heater uses 3˝ or 2˝ diameter exhaust and 3˝ or 2˝ diameter intake air ducts. To ensure the draw of air directly from and exhaust of air directly to the outside of the building, create an airtight seal from the water heater collar to the vent termination. -
Page 17: Gas Piping
Gas Piping Model TWH180 / TWH180LP Maximum Input 180,000 (BTU/H) Indoor make up air is pro- 180 square inches vided, a minimum free area 13 1/2” (W) x 13 1/2” (H) of 1 Inch per 1,000 BTU/H Natural Gas Pipe Sizing Maximum capacity of pipe in cubic feet of gas per hour for gas pressures of 0.5 psi or less and a pressure drop of 0.5 inch water column. -
Page 18: Gas Pipe Installation
Gas Piping • The gas connection fitting on the unit is 3/4˝ female • To facilitate any future maintenance, it is also rec- NPT. ommended that gas union be installed in the supply line between the shut-off valve and the 3/4˝ female •... -
Page 19: Ng Gas Typical Installation
Gas Piping NG Gas typical installation The Water Heater is recommended to be the first appliance to be connected to the gas supply line. Other appliance Connection Manual gas shut off valve 1/2"~3/4" Gas pipe size Sediment Trap Capacity : not less than 'total capacity of connected appliances Gas meter LP Gas typical installation Manual... -
Page 20: Water Piping
Water Piping See below for location of inlet and manifold gas pressure Plumbing and Water Connection Guidelines. ports on the gas valve. CAUTION • Use at least the MINIMUM pipe size of 3/4” for all Manifold Water Heater loop piping Pressure Port The pipe must be cleaned and without any blemish. -
Page 21: Pressure Relief Valve
Water Piping Pressure Relief Valve Condensate Drain • A pressure relief valve must be installed. Observe • The Water Heater creates condensate when it is the following. Failure to comply with the guidelines operating. on installing the pressure relief valve and discharge •... -
Page 22: Power Connection
Power Connection Power Connection • This appliance must be electrically grounded. En- sure the electrical receptacle, in which the water heater will be plugged into, is properly grounded. WARNING • Do not attach the ground wire to either the gas or the water piping as plastic pipe or dielectric unions may Wire and electrically ground Water Heater in accor- isolate the Water Heater electrically. -
Page 23: Control System
Control System General Description CAUTION This unit is only approved for installation up to 10,000ft. P920C is a Display Interface with a Liquid Crystal above sea level. Display. Note: It will be used to navigate and to change temperature set This water heater may be installed at elevation up to point, and change controller parameters. - Page 24 Control System • Setting the High Altitude Setting 3. Turn the dial clockwise to select the high altitude set- 1. Press the ON/OFF button on the display to turn the ting for the application. (Default setting is ‘0-2’ and high unit OFF.
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Page 25: System Control Specifications
Control System Dip Switch Inlet Limit Operating Not Operating Gas Type Max. Normal Max. Min. Normal Min. • System Control Specifications Maximum flame detecting voltage 2.4 V Pre-purge time Maximum 10s, minimum 1s Safety Time (igniting time) 3.5s Igniting interval time <10s Post-purge time 180s... -
Page 26: Wiring Diagram
Control System... -
Page 27: Ladder Diagram
Control System • Ladder Diagram... -
Page 28: Connectors
Control System Connector HT SELV Descriptions HT SELV no. of location Max. Length Pin nr. Board Silk and type CASE GROUND Power Supply Line HT (120VAC) Unused HT (120VAC) Ignitor HT (120VAC) L(HT) Heater HT (120VAC) 65001WS-12 Gas Valve HT (120VAC) EARTH GROUND HT (120VAC) Power Supply Neutral... - Page 29 Control System Connector HT SELV Descriptions HT SELV no. of location Max. Length Pin nr. Board Silk and type 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 Inlet water temperature sensor SELV (5VDC) <=1.5m...
- Page 30 Control System Connector HT SELV Descriptions HT SELV no. of location Max. Length Pin nr. Board Silk and type Unused SELV (5VDC) <=1.5m Unused SELV (5VDC) <=1.5m Unused SELV (5VDC) <=1.5m SMW250-06 SELV (5VDC) <=1.5m FLUX1 Water flow sensor SELV (5VDC) <=1.5m SELV (5VDC) <=1.5m...
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Page 31: Start-Up Procedures
Start-Up Procedures Quick Review Final check list • Before Installing • Final check : Installation conditions. Make sure that there is enough space for Is there a drain which is close to the Water installing Water and gas line. Heater? Verify vent/air termination is located as required. -
Page 32: Condensate Drain Installation
Start-Up Procedures • Final Check: Condensate drain installation Is the pressure relief valve at least 3/4˝ in diam- eter? Have you installed a condensate drain line from the water heater to a drain or laundry tub? Have you installed the pressure relief valve on the hot water outlet pipe near the Water Heater? •... -
Page 33: Trouble Shooting
Trouble Shooting FMEA Effect And Electrical Component Wiring Mode Failure Control Actions Consequences Temperature sensor Temperature sensor • Gas Valve locks Out below 2 Seconds Lead Disconnect (INLET NTC) Circuit Open/Short • Controlled safety cut-off “E31“ displays I.S(4,11) Temperature sensor Temperature sensor •... -
Page 34: Repair Parts Diagrams
Repair Parts Diagram... - Page 35 Repair Parts Diagram Description Part number Exhaust Adapter MQRKIT05 Case MQJKT01 Door ASS’Y MQJKT02 Display Cover MQCVR01 Ignition Transformer MQTRAN01 Gas Inlet Nipple MQNIP01 Overheat Sensor MQSENS01 DHW Supply Pipe MQPIP01 Condensate Trap MQTRAP01 Air Pressure Switch MQSWI01 Bracket MQBRK01 Display MQDISP01 Controller...
- Page 36 Repair Parts Diagram...
- Page 37 Repair Parts Diagram...
- Page 38 Repair Parts Diagram Description Part number Heat Exchanger Assembly MQHX200 31-1 Exhaust Pipe Assembly (Upper) 31-2 Exhaust Temperature Sensor MQSENS02 31-3 Exhaust Gasket MQGSK01 31-4 Exhaust Pipe Assembly (Lower) 31-5 Exhaust Gasket MQGSK02 31-6 Condensate Pan Fan Assembly MQBLOW01 32-1 MQBLOW02 32-2 O-Ring...
- Page 39 Available in capacities from 25,000 BTU/hr to 5,000,000 BTU/hr PRESTIGE CONDENSING WALL MOUNTED BOILER 95% AFUE Fully modulating Natural gas or propane Stainless steel construction Direct vent with standard schedule 40 PVC Outdoor reset 1240 Forest Pkwy, Suite 100 West Deptford, NJ 08066 www.triangletube.com 856.228.8881 856.228.3584...
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