POWERED DIRECT VENT GAS WATER HEATER A Spanish language version of these instructions is available by contacting the company listed on the rating plate. La version espanola de estas instrucciones se puede obtener al escribirle a la fabrica cuyo nombre aparece en la placa de especificaciones. INSTALLATION AND OPERATING INSTRUCTION MANUAL WARNING: If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury, or death.
CONGRATULATIONS! You have purchased one of the finest water heaters on the market today! This installation, operation and instruction manual will explain in detail the installation and maintenance of your new Powered Direct Vent Gas Water Heater. We strongly recommend that you contact a plumbing professional for the installation of this water heater. We require that you carefully read this manual, as well as the enclosed warranty, and refer to it when questions arise.
TABLE OF CONTENTS Page GENERAL INFORMATION ................................................................. 4 INSTALLATION. .................................................................................. 5 Locating the Water Heater........................................................... 5 Minimum Clearances ................................................................... 7 Venting ..........................................................................................
GENERAL INFORMATION This gas-fired water heater’s design is certified by CSA International under the American National Standard Z21.10.1 and CSA 4.1-M, most current editions at the time of manufacture. This is a category III water heater. This water heater must be installed in accordance with local codes or, in the absence of local codes, the National Fuel Gas Code, ANSI Z223.1-Latest Edition) and/or in Canada CAN/CGA B149 Installation Codes (Latest Editions).
INSTALLATION Locating the Water Heater WARNING Water heaters are heat producing appliances. To avoid damage or injury, do not store materials against the water heater or vent-air intake system. Use proper care to avoid unnecessary contact (especially by children) with the water heater and vent-air intake components.
Installation (Locating the Water Heater) continued- WARNING Liquefied petroleum gases/propane gas are heavier than air and will remain at floor level if there is a leak. Basements, crawl spaces, closets, and areas below ground level will serve as pockets for accumulation of leaking gas. Before lighting, smell all around the appliance area for gas. Be sure to smell next to the floor. IF YOU SMELL GAS: • DO NOT try to light any appliance.
Installation (Locating the Water Heater) continued- A drain pan can be purchased from your plumbing professional. The drain pan must be piped to an adequate drain. The piping must be at least 3/4 in (1.9 cm) in diameter and pitched for proper drainage. It is recommended that a minimum clearance of 4 in (10.2 cm) be provided on the side of the water heater for servicing and maintenance of the combination temperature and pressure relief valve.
Venting Figure 1 – Direct Vent Terminal Clearances Canadian Installations1 US Installations2 A= Clearance above grade, veranda, porch, deck or balcony 12 inches (30 cm) 12 inches (30 cm) B= Clearance to window or door that may be opened 6 in (15cm) for appliances ≤10,000 Btuh (3kW); 12 in (30 cm) for appliances >10,000 Btuh (3kW) and ≤100,000 Btuh (30kW); 36 in (91 cm) for appliances >100,000 Btuh (30 kW) 4 ft (1.
Venting continued1 In accordance with the current CAN/CGA-B149 Installation Codes. In accordance with the current ANSI Z223.1-(Latest edition)/NFPA 54 National Fuel Gas Code. † A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single-family dwellings and serves both dwellings. ‡ Permitted only if a veranda, porch, deck or balcony is fully open on a minimum of two sides beneath the floor.
Venting continued- WARNING Risk of carbon monoxide poisoning or fire due to joint separation or pipe breakage. This water heater must be properly vented and connected to an approved vent system in good condition. DO NOT operate water heater with the absence of an approved vent system. A clean and unobstructed vent system is necessary to allow noxious fumes that could cause injury or loss of life to vent safely and will contribute toward maintaining the water heater’s efficiency.
Venting continued- Venting System Condensation Condensate formation does not occur in all installations of power direct vented water heaters but should be protected against on installations where condensation can form in the venting system.
Venting continued- IMPORTANT The minimum equivalent length for the exhaust portion of the vent is 7 ft (2.1 m). The maximum equivalent vent length for the exhaust is 60 ft (18.2 m) for 3 in (7.6 cm) diameter pipe and 100 ft (30.5 m) for 4 in (10.2 cm) diameter pipe. The intake portion of the vent must be equal to or less than the vent length of the exhaust. The tables below are provided for your quick reference, some installations may require a greater number of elbows.
Venting continued- Figure 2 IMPORTANT All of the venting connections must be leak checked with a soap and water solution upon initial start-up of the water heater. Any leaks must be repaired before continuing operation of the water heater. Through the Wall Venting (Horizontal Venting with Standard Vent Terminals): Cut two 3 1/2 in (8.9 cm) diameter holes in the wall at the point where the vent connector is going to pass through the wall.
Venting continued- 4” VENT INSTALLATION Figure 3b Vent Terminal Configurations for Through the Wall Venting: When venting through the wall, the exhaust terminal must exit the structure at a minimum distance of 16 in (40.6 cm) from the intake terminal. The exhaust terminal must not be located below the intake terminal for any reason (see Figure 4a below for examples of acceptable vent terminal configurations). Figure 4a CAUTION NEVER INSTALL AIR INTAKE ABOVE EXHAUST.
Venting continued- Figure 4b Figure 4c IMPORTANT When using the vent terminal configuration shown in 4c the extra elbows must be accounted for in the total vent length see Table 5 or Table 6.
Venting continued- IMPORTANT When using the concentric vent terminal, the maximum vent length is reduced by 20 ft (6.1 m). It is acceptable to install a 90 elbow on IPEX concentric vent terminations used with this power direct vent water heater (see Figure 5b). A short length of appropriate diameter vent pipe should be used to transition from the vent terminal to the 90 elbow. Approved venting materials along with primers and cements are listed at the beginning of this venting section.
Venting continued- Low Profile Side Wall Termination Kit The IPEX Low Profile side wall termination kits are fully certified for use with IPEX product only. IPEX System 636 PVC Low Profile vent kits are made from certified compound and IPEX System 1738 PVC Low Profile vent kits are made from a UL1738 certified PVC compound. Both are rated to a maximum temperature of 149°F (65°C). Each kit contains: 1 Base (two holes), 1 Cap (one hole), 8 Stainless Steel Screws, and 4 Plastic Anchors.
Venting continued- Figure 6a – Typical Side Wall Termination Figure 6b – Approved Installation Orientation Figure 6c – Side Wall Termination Assembly Figure 6d – Minimum Clearances: Multiple Side Wall Terminations 18
Venting continued- Through the Roof Venting (Vertical Venting Standard Terminals): Cut the necessary holes through the roof and ceiling and install the vent connector as shown in Figure 7. Make sure that the installation meets the local codes and/or The National Fuel Gas Code ANSI Z223.1 (Latest Edition) or CGA/CAN B149 Installation Code (latest edition). A condensate kit must be installed when venting through the roof.
Venting continued- Figure 8 NOTE: For installations requiring both horizontal and vertical runs, the following rule must be followed. Total length of straight pipe (both horizontally and vertically) must not exceed the equivalent length listed in these instructions. For the concentric vent terminal, the maximum vent length is reduced by 20 ft. CAUTION For vertical installations with concentric vent terminal a condensate kit must be used.
Venting continued- TABLE 5 3 in (7.6 cm) VENT CONNECTOR LENGTHS FROM INSIDE WALL FOR LOW GROUND CLEARANCE INSTALLATIONS Maximum Straight Minimum # of Elbows Length ft. (m) Terminating Straight Length (excl. vent term.) ft. (m) 75 gal. (2) 90 Elbows with (1) 90 Elbow (2) 90 Elbows with (1) 90 Elbow (2) 90 Elbows with (1) 90 Elbow (2) 90 Elbows with (1) 90 Elbow 1 45 (13.7) 10 (3.1) 2 40 (12.2) 10 (3.1) 3 35 (10.7) 10 (3.1) 4 30 (9.1) 10 (3.1) TABLE 6 4 in (10.
Venting continued- Vent Pipe Preparation and Joining Most failures in vent systems result from improper preparation and joining of pipe and fittings. The guidelines below must be followed when installing the venting system. If you have any question about the application or installation of the venting system, contact the vent pipe manufacturer, supplier, or your plumbing professional. 1. Specific cleaners, solvents, primers and cements are available for PVC, CPVC, and ABS pipe.
Water Connections Note: BEFORE PROCEEDING WITH THE INSTALLATION, CLOSE THE MAIN WATER SUPPLY VALVE. After shutting off the main water supply, open a faucet to relieve the water line pressure to prevent any water from leaking out of the pipes while making the water connections to the water heater. After the pressure has been relieved, close the faucet. The COLD water inlet and HOT water outlet are identified on the top of the water heater.
Water Connections continued- WARNING For protection against excessive temperatures and pressure, install temperature and pressure protective equipment required by local codes, but not less than a combination temperature and pressure relief valve certified by a nationally recognized testing laboratory that maintains periodic inspection of production of listed equipment or materials as meeting the requirements of the Standard for Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply Systems, A
Water Connections continued- Scald Risk This water heater can deliver scalding temperature water at any faucet in the system. Be careful whenever using hot water to avoid scalding injury. Certain appliances such as dishwashers and automatic clothes washers may require increased temperature water. By setting the thermostat on this water heater to obtain the increased temperature water required by these appliances, you may create the potential for scald injury.
Gas Connections WARNING Prior to connecting the gas supply line to a gas fired water heater, ensure that the gas supply line does not have moisture/water or dirt/scale inside the gas line. Commonly this check is done at the lowest point in the gas distribution system prior to gas burning appliances. The gas supply lines must meet all requirements of the National Fuel Gas Code (ANSI Z223.1-Latest Edition), or in Canada CAN/CGA B149.1 Natural Gas Installation Code (Latest Edition) or CAN/CGA B149.
Gas Connections continued- CAUTION The water heater and individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of the system at test pressures in excess of 1/2 psi (3.5 kPa). The water heater must be isolated from the gas supply piping system by closing its manual shutoff valve during any pressure testing of the gas supply system at test pressures equal to or less than 1/2 psi (3.5 kPa).
Wiring Diagram Figure 10 28
GENERAL OPERATION WARNING Water heaters are heat producing appliances. To avoid damage or injury there must be no materials stored against the water heater or vent-air intake system, and proper care must be taken to avoid unnecessary contact (especially by children) with the water heater and vent-air intake system.
Lighting & Shutdown Instructions 30
Thermostat Adjustment The thermostat dial is adjusted to its lowest setting when shipped from the factory. When adjusting the thermostat, it should be remembered that lower temperature settings are more energy efficient. To adjust the thermostat, turn the dial clockwise until the minimum acceptable temperature is set. It is suggested that the starting point setting not exceed the 120°F (49°C) or “HOT” setting on the thermostat.
Burner Flame Check Steel Burner: These models are equipped with self-adjusting air mixture and do not have an adjustable air shutter (see Figure 12). At periodic intervals a visual check of the main burner and pilot flames should be made to determine if they are burning properly. The main burner flame should light smoothly from the pilot. Figure 12 WARNING DO NOT run out of propane gas. Damage to the water heater may occur. MAINTENANCE WARNING Water heaters are heat producing appliances.
The following maintenance should be performed by a qualified service technician at the minimum periodic intervals suggested below. In some installations, the maintenance interval may be more frequent depending on the amount of use and the operating conditions of the water heater. Regular inspection and maintenance of the water heater and vent-air intake system will help to insure safe and reliable operation. 1. Annually check the operation of the thermostat. 2.
Maintenance continued- 9. If the combination temperature and pressure relief valve on the appliance discharges periodically, this may be due to thermal expansion in a closed water supply system. Contact the water supplier or local plumbing inspector on how to correct this situation. Do NOT plug the combination temperature and pressure relief valve outlet. 10. A combination sacrificial anode rod/hot water outlet nipple has been installed to extend tank life.
Maintenance continued- CAUTION FOR YOUR SAFETY, DO NOT ATTEMPT REPAIR OF COMBINATION GAS CONTROL, BURNERS OR GAS PIPING. REFER REPAIRS TO A QUALIFIED SERVICE TECHNICIAN. Contact your supplier or plumbing professional for replacement parts or contact the company at the address given on the rating plate of the water heater. Provide the part name, model and serial numbers of the water heater when ordering parts.
Troubleshooting LED Status Control Status None (LED not on or flashing) Electrical power not present. One short flash every four seconds Stand-by mode, Thermostat is satisfied (no fault). Alternates bright and dim (heartbeat) Thermostat calling for heat (no fault). Probable Cause Control power switch in “OFF” position. Supply voltage interrupted. Temperature demand is satisfied (no call for heat). Tank temperature below set point of thermostat. 1. Unstable pilot. 2. Pilot tube block or restricted.
Troubleshooting continued- LED Status Control Status Probable Cause 1. Pressure switch tubing kinked or blocked. 2. Vent blockage or improper vent configuration. 3. Vent termination being affected by windy conditions. 4. Blower not spinning up to speed. 5. Vent temperature too high. 6. Faulty pressure switch or blower temp. switch. 1. Unstable pilot. 2. Pilot tube blocked or restricted. 3. Oxidation build up on pilot electrode. 4. Wire damage to pilot assembly or bad connection at gas valve. 5.
Troubleshooting continued- Control Sequence of Operation Start up Sequence Upon powering up, the control checks for the presence of the vapor sensor, if the resistance is in the expected range the control will begin normal operation after 5 to 8 seconds. Normal Heating Sequence 1. The thermostat senses a need for heat. 2. The control checks the pressure switch condition. 3. If the pressure switch is open, the control sends power to the blower motor. 4.
THE FOLLOWING INSTRUCTIONS ARE FOR INSTALLATION OF GAS WATER HEATERS SUITABLE FOR WATER (POTABLE) HEATING AND SPACE HEATING: 1. All piping components connected to this water heater for space heating applications must be suitable for use with potable water. In Massachusetts, space heating piping length must NOT exceed 50 ft. 2. Toxic chemicals, such as those used for boiler treatment, must NOT be introduced into potable water used for space heating. 3.
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