Intellihot i201X Installation Manual
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Intellihot i201X Installation Manual

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See also: Troubleshooting Manual , Technical Manual
Installation
Manual
Model: i201X
i251X
For units shipped after July 13, 2015
Intellihot Direct Vent Boiler/ Combination Water
heater. This product complies with ANSI Z21.13-
(2010) / CSA 4.9 Low Pressure Boiler and with
ANSIZ21.10.3 (2011) / CSA 4.3 Gas Water Heater. For
use as potable water heating and space heating.
WARNING
If the information in these instructions is not followed
exactly, a fire or explosion could result causing
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.
Certified to
NSF/ANSI 372
AVERTISSEMENT
Assurez-vous de bien suivre les instructions données
dans cette notice pour réduire au minimum le
risque d'incendie ou d'explosion ou pour éviter tout
dommage matériel, toute blessure ou la mort.
— Ne pas entreposer ni utiliser d'essence ou
ni d'autres vapeurs ou liquides inflammables
à proximité de cet appareil ou de tout autre
appareil.
QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ
•
Ne pas tenter d'allumer d'appareil.
•
Ne touchez à aucun interrupteur; ne pas vous
servir
des
téléphones
se
le bâtiment.
Appelez immédiatement votre fournisseur de gaz
•
depuis un voisin. Suivez les instructions
du fournisseur.
Si vous ne pouvez rejoindre le fournisseur,
•
appelez le service des incendies.
— L'installation et l'entretien doivent être assurés
par un installateur ou un service d'entretien
qualifié ou par le fournisseur de gaz.
To avoid product damage, personal injury, or
even possible death, carefully read, understand,
and follow all the instructions in the Installation
and Operation manuals before installing this
product. Improper installation, adjustment, alteration, or
maintenance can cause injury, loss of life, and/or property
damage. This water heater should be installed and
serviced by a qualified technician. The lack of proper
service can result in a dangerous condition.
trouvant
dans
This manual contains safety information, installation
instructions, and maintenance procedures. It must be left
with the homeowner or placed near the water heater in
a noncombustible place. The customer should retain this
manual for future reference.
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Summary of Contents for Intellihot i201X

  • Page 1: Installation Manual

    Installation Manual Model: i201X i251X For units shipped after July 13, 2015 Intellihot Direct Vent Boiler/ Combination Water heater. This product complies with ANSI Z21.13- (2010) / CSA 4.9 Low Pressure Boiler and with e rt d ir ti o ANSIZ21.10.3 (2011) / CSA 4.3 Gas Water Heater.

  • Page 3: Table Of Contents

    Table of Contents 1. General Information 8. Water Connections Items Shipped With Water Heater ....4 Water Line Connection Guidelines ... . . 21 Contact Information.

  • Page 4: General Information

    T IS Front (Avantdu Side of heater chauffe-eau) (Côté) 1/2 in 12 in (12.7 (30.4 12 in Intellihot W. Main Green IL 61401 Technologies Recovery (Pression (Caractéristique Rating: Effi ciency de recouvrement) . . . / : Energy énergétique) .

  • Page 5: Safety

    2. Safety DANGER Safety Signal Words A. This water heater does not have a pilot. It is equipped DANGER with an ignition device which automatically lights the burner. Do not try to light the burner manually. Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
  • Page 6 CAUTION Make sure you know the location of the gas shut-off valve and how to operate it. Immediately close the gas shut-off valve if the water heater is subjected to fire, overheating, flood, physical damage, or any other damaging condition that might affect the operation of the unit.

  • Page 7: Technical Data

    Warranty (with recircula on) Commercial - Heat Exchanger coil – 6 years, Parts – 1 years, Labor – 1 year Note: Due to Intellihot's Policy of continuous product improvements, design and technical specifications are sub ject to change without notice High Elevation Installations...

  • Page 8: Dimensional Specifications

    Dimensional Specifications FRONT VIEW SIDE VIEW SPACE HEATING: SUPPLY - 1” NPT SPACE HEATING: RETURN - 1” NPT BOTTOM VIEW TOP VIEW IQ-001-250X Technical Data...

  • Page 9: Inlet And Outlet Connections

    Inlet and Outlet Connections Top and Bottom Connections Item Description Specification Hot Water Outlet Connection 3/4” Male NPT Exhaust Gas Vent 3” O.D. PVC Schedule 40 Gas Supply Inlet Connection 3/4” Male NPT Gas Pressure Analyzer Port 1/8” Female NPT Fresh Air Intake 3”...

  • Page 10: Preparation Before Installation

    4. Preparation Before Installation 3. Locate the unit close to a drain and near gas and water Selecting an Installation Site connections. Note: When installing the water heater, follow all local The water heater produces a significant amount of building codes and the current edition of the National condensate during normal operation and should be Fuel Gas Code (ANSI Z223.1/NFPA 54) in the USA, or located near a suitable drain where damage from a...

  • Page 11: Wall Mounting

    5. Wall Mounting Clearance Requirements IQ-013 STUDS In order for the water heater to operate properly and efficiently, the clearances specified in the table are required. Side Back Side Front Bottom IQ-043 Required Mounting Clearances Location From From Non- Service IQ-103 Combustibles Combustibles...

  • Page 12: Gas Connections

    LP (propane) gas. To convert the unit to propane, refer to the Propane (LPG) Conversion section in this manual. 2. Ensure the gas supply pressure meets the requirements for the unit, as shown below. Gas Pressures i201X i251X NG/LP- Minimum Static Gas Pressure 1/2” 5” 6”...

  • Page 13: Gas Pipe Sizing Tables

    Gas Pipe Sizing Tables This information is for reference only. Refer to gas pipe manufacturer specifications for actual delivery capacity. Contact the local gas supplier for actual BTU/ft rating. This data copied from the National Fire Protection Association Article 54 (NFPA 54). Pipe Sizes and BTU/h Capacity (Natural Gas).

  • Page 14: Gas Pressure Regulator

    Pipe sizes and BTU/h capacity (Propane). Use this table for static gas pressure greater than 5” Length 1/2" 3⁄4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 4" Including fittings 409,000 608,000 1,150,000 2,350,000 3,520,000 6,790,000 10,800,000 19,100,000 39,000,000 289,000 418,000 787,000 1,620,000 2,420,000 4,660,000...

  • Page 15: Venting And Materials

    7. Venting and Materials Exhaust Vent Materials WARNING The materials listed in the table below outline the acceptable Improper venting of the water heater can result in excessive exhaust vent materials: levels of carbon monoxide, which can lead to severe personal injury or death.

  • Page 16: Venting Configurations

    Venting Configurations Water heaters may be installed with: Exhaust two pipes (direct vent) configuration or with one pipe (power vent) configuration. Two Pipe Vent System (Direct Vent) The water heater can be direct vented without any modification using a 3 inch diameter pipe. The following diagrams represent some typical direct venting configurations and are included to assist in designing the vent system.
  • Page 17 7.5.1 Single Pipe Venting System (Power Vent) When using the single exhaust pipe/power vent method, the following table outlines the required opening sizes for the combustion and ventilation air coming into the room: Required Combustion & Ventilation Air Opening Sizes (sq. in) Per Heater Per Room: Air is drawn directly from outside into the room Example #4 Input...
  • Page 18 The following illustrations represent some typical power venting configurations and are included to assist in designing the vent system. Possible configurations are not limited to these designs. Intake Air Exhaust Intake Air Exhaust Intake Exhaust Intake Venting and Materials...

  • Page 19: Venting Termination

    7.6.3 Concentric Venting Termination (Single Unit) Venting Termination If desired, an optional concentric venting system, which uses 7.6.1 Side Wall Termination one 5” opening through an exterior wall or roof, can be used, as opposed to cutting two 3” openings. 1.

  • Page 20: Venting Clearance Specifications

    Venting Clearance Specifications Operable Fixed Closed Fixed Closed Operable Inside Corner Detail Air Inside Inlet Vent Terminal Gas Meter/Regulator IQ-010 Area Where Terminal is Not Permitted Venting Clearance Specifications Clearance Distance Item Description USA1 Canada2 Clearances above grade, veranda, porch, deck, or balcony 1 foot 1 foot Clearances to window or door that may be opened...

  • Page 21: Water Connections

    8. Water Connections Water Line Connection Guidelines Hot Water Side Connection When making the water-side connections, please follow these 8.3.1 Installation Instructions guidelines: • Since each installation is different, it is up to the installer to route the water lines in the most efficient manner. •...

  • Page 22: Cold Water Side Connection

    1. Attach and tighten the flex hose with the loop to the barb Cold Water Side Connection fitting located on the bottom of the unit. Install and connect the cold water line. SHUT-OFF IQ-105 VALVE UNION 2. Follow applicable local codes and if required, install in-line neutralizer (3) to treat the acidic condensate.
  • Page 23 The following illustrations provide possible external recirculation options (Domestic shown only). UNDER SINK VALVE OPTION Courtesy Cold Grundfos Cold Isolation Optional Isolation Hot Water Cold Water Pressure Ball Union Relief Valve Valve HOT WATER FIXTURES RECIRCULATION LINE OPTION(S) Hot Water Return Cold Water Recirculation Supply...

  • Page 24: Electrical

    9. Electrical Electrical Connection and Polarity WARNING NOTICE To avoid serious injury or even death, follow all applicable local, state, and national regulations, mandates, and building POLARITY codes for guidelines to install the electrical power supply. The plug provided with the unit is polarity sensitive. Ensure that the line and neutral are at the correct locations in the wall socket.

  • Page 25: Propane (Lpg) Conversion

    10. Propane (LPG) Conversion 5. Reconnect the power and wait for main screen to appear. SAFETY INSTRUCTIONS A qualified service technician MUST make the required changes to convert the water heater from Natural Gas to LP Gas. 10.1 General Information Before beginning the conversion, make sure the LP gas inlet 6.

  • Page 26: Adjusting Co Level

    11. Adjusting CO Level 11.1 General Information 11.2 Procedure This procedure is required only during installation in a high 1. Locate the gas valve. altitude location or when changing the unit from natural gas 2. Use a CO analyzer to measure the exhaust vent gas at the to propane, or when experiencing combustion problems.
  • Page 27 8. Use a flat blade screwdriver to adjust the gas valve high 12. Adjust the Low Fire screw while the burner operates at fire screw to achieve the desired CO values. low fire using a 2 mm hex wrench. Turn clockwise to increase CO and counterclockwise to decrease CO Note: Turn clockwise to decrease CO...

  • Page 28: Space Heating

    12. Space Heating Please see the following piping schematics for various 12.1 Space Heating System Pump Wiring heating confi gurations 1. Connect the rest of the heating circuit based on the example drawings shown on pages 2. Route the three wires from the heating system pump to the water heater via the front wire grommets located on the bottom of the water heater.
  • Page 29 Isolation 72° Pressure Drain Pressure Ball Gate Strainer Backflow Pump Union Expansion Thermostat Cold Water Relief Valve Reducing Valve Valve (Filter) Preventer Separator Tank Valve Valve Return Supply * LWCO Heating System Pump Thermostat Outdoor Reset 72° * LWCO *For model specific Low Water Cut-off Switch (LWCO), see Mfg.
  • Page 30 Isolation 72° Pressure Drain Pressure Ball Gate Strainer Backflow Pump Union Expansion Thermostat Manifold Cold Water Relief Valve Reducing Valve Valve (Filter) Preventer Separator Tank Valve Valve Return Supply * LWCO Heating System Pump Thermostat Outdoor Reset 72° * LWCO *For model specific Low Water Cut-off Switch Single Zone, Multiple Loop Radiant (LWCO), see Mfg.
  • Page 31 Isolation 72° Pressure Drain Pressure Ball Gate Strainer Backflow Pump Union Expansion Thermostat Zone Cold Water Relief Valve Reducing Valve Valve (Filter) Preventer Separator Tank Valve Valve Valve Return Supply * LWCO 72° 72° 72° Heating System Pump Motor Motor Motor Thermostat Outdoor Reset...
  • Page 32 Isolation 72° Pressure Drain Pressure Ball Gate Strainer Check Backflow Pump Union Expansion Thermostat Cold Water Relief Valve Reducing Valve Valve (Filter) Valve Preventer Separator Tank Valve Valve Return Supply * LWCO 72° 72° 72° Heating System Pump Zone 1 Zone 2 Zone 3 Zone 4...

  • Page 33: Wiring Connections - Heating System Pump

    72° Isolation Pressure Drain Pressure Ball Gate Strainer Check Backflow Pump Union Expansion Thermostat Relief Valve Reducing Valve Valve (Filter) Valve Preventer Separator Tank Valve Valve Cold Water Three Fan Coil Manifold Set Way Valve Return Supply * LWCO 72° 72°...

  • Page 34: Space Heating System

    Space Heating input(MBH) DHW Capacity @ Heating Capacity AFUE (%) Model 77°F (GPM) (MBH) i201X 90.2 i251X 90.2 Ratings are the same for Natural Gas converted to Propane. Capacity based on U.S. Department of Energy (DOE) test procedure 10CFR Section 430.23(n)

  • Page 35: Common Venting

    90° elbow used and by 2 feet per 45° elbow used. outlined in the chart below: Do not exceed the above set limits. i201X Maximum Vent Length (in feet) for i251X Maximum Vent Length (in feet) for Power Vent (1 pipe)
  • Page 36 The following diagrams represent some typical direct venting configurations and are included to assist in designing the vent system. Possible configurations are not limited to the following diagrams. MAKE UP AIR MAKE UP AIR MAKE UP AIR i201X-i251X Multiple Units...
  • Page 37 “13.1.1 Vent Diameter Sizing and Lengths” on page 35. MAKE UP AIR MAKE UP AIR MAKE UP AIR MAKE UP AIR MAKE UP AIR MAKE UP AIR DECOMMISSIONED AIR INTAKE AND EXHAUST i201X-i251X, Multiple Units...
  • Page 38 Do not direct gas exhaust from opposite directions. Use a 45 degree transition, as shown. Do not use reducers in a straight run of pipe. Do not transition into a reducer or use a t-fi tting. Transitions should always be directed into a straight run of pipe. i201X-i251X, Multiple Units...
  • Page 39 14. Requirements for State of Massachusetts 3. SIGNAGE. Notice Before Installation A metal or plastic identification plate shall be permanently This appliance must be installed by a licensed plumber or gas mounted to the exterior of the building at a minimum fitter in accordance with the Massachusetts Plumbing and height of eight (8) feet above grade directly in line with Fuel Gas Code 248 CMR Sections 2.00 and 5.00.
  • Page 40 d to p an p ro g az rt i d ir n ve ti o n ti à n é n ta s ta s io a ti r pl e -e F ie u ff 9 ,0 .6 2 R IE ,0 0 T É...

This manual is also suitable for:

I251x

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