Honeywell 238-47969-00A manual

238-47969-00A REV 6/09 DIRECT VENT GAS WATER HEATER 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 y our gas supplier from a neighbor’s phone. Follow the gas supplier's instructions. • If you cannot reach y our gas suppli[...]

2 CONGRATULATIONS! You have just 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 Direct Vent Gas Water Heater. We strongly recommend that you contact a plumbing professional for the installation of this water heater[...]

3 TABLE OF CONTENTS page GENERAL INFORM ATION ......................................................................... 4 INSTALLATI ON ........................................................................................ 5 Locating The Wate r Heater .................................................................... 5 Minimum Clear ances .....[...]

4 WARNING Incorrect operation of this appliance may create a hazard to life and property and will nullify the w arranty. DANGER Do not store or use gasoline or other flammable, combustible, or corrosive vapors and liquids in the v icinity of this or any other appliance. GENERAL INFORMATION This gas-fired water heater’s design is certified by CSA [...]

5 IMPORTANT Before proceeding, please inspect the water heater and its components for possible damage. DO NOT install any damaged components. If damage is evident then please contac t the supplier where the water heater was purchased or the manufactu rer listed on the rating plate for replacement parts. WARNING Water heaters are heat producing appl[...]

6 Installation (Locating The Water Heater) continued - The location of this water heater is of the utmost importance. Before installing this water heater read the Inst allation section of these instructions. After reading these Installation and Operating Instructions, select a location for the water heater where the floor is level and is easily acc[...]

7 WARNING Liquefied petroleum gases/propane gas are heavier than air and will remain at floor level if there is a l eak. 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 G[...]

8 WARNING Failure to adhere to these installation and operating instructions may create a hazard to life and property and will nullify the warranty. Installation (Locating The Water Heater) continue d- The water heater must be located close enough to the outside wall to keep the venting distance within the maximu m distance described in the vent ki[...]

9 WARNING The direct vent-air intake terminal is HOT while the water heater is in operation. Do not touch. Keep children, combustibles, gasoline and other liquids having flammable vapors away. OPTIONAL DIRECT VENT-AIR INTAKE TERMINAL GUARD It is recommended that a vent-air intake terminal guard be installed when the vent-air intake terminal is loca[...]

10 Installation continued- Figure 2 Figure 3[...]

11 WARNING The vent-air intake system must be pr operly installed. Failure to properly install the vent-air intake system could result in property damage, personal injury or death. DO NOT install any damaged vent-air intake system components. Contact the manufacturer of the water heater for replacement parts. VENTING This is a Direct Vent Gas Water[...]

12 Figure 4 Direct Vent Terminal Clearances Canadian Installations1 US Installations2 A= Clearance above grade, veranda, porch, deck or balcony 12 inches (30 m) 12 inches (30 cm) B= Clearance to widow or door that may be opened 12 inches (30 m) 9 inches (23 cm) for appliances > 10,000 Btuh (3 kW) and ≤ 50,000 Btuh (15 kW), 12 inches (30 cm) fo[...]

13 Venting continued- 1 In accordance with the current CAN/CGA-B149 Installation Codes . 2 In accordance with the current AN SI Z223.1-(Latest edition)/NFPA 54 National Fuel Gas Code . † A vent must not terminate directly abov e a sidewalk or paved driv eway that is located between tw o single- family dwellings and serv es both dwellings. ‡ Per[...]

14 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 f[...]

15 Water Connections continue d- 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 produc[...]

16 Water Connections continue d- If this water heater is installed in a closed water supply system, such as the one having a back-flow preventer in the cold water supply, provisions must be made to control thermal expansion. DO NOT operate this water heater in a closed system without provisions fo r controlling thermal expansion. Your water supplie[...]

17 Gas Connections The gas supply lines must meet all requi rements 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 B149.2 Propane Installation Code (Latest Edition). The minimum permissible gas supply pressure for the purpose of input adjustment is on[...]

18 GENERAL OPERATION TO FILL THE WATER HEATER 1. Close the water heater drain va lve by turning the knob clockwise . 2. Open the cold water supply shut-off valve. 3. Open several hot water faucets to allow air to escape from the system. 4. When a steady stream of water flow s from the faucets, the water heater is filled. Close the faucets and c hec[...]

19 Lighting & Shutdown Instructions – White Rodgers and Robertshaw gas control.[...]

20 Lighting & Shutdown Instructions Continued - Honeywell gas control.[...]

21 THERMOSTAT ADJUSTMENT - White Rodgers gas c ontrol. 160°F Control 180°F Control Figure 5 The thermostat dial is set to its lowest tem perature setting when shipped from the factory. Remember that lower temperature settings are more energy efficient . Adjust the temperature by turning the thermostat dial. It is suggested that the starting point[...]

22 Thermostat A djusting continued – Honeywell control.[...]

23 Thermostat Adjusting continue d- BURNER FLAME CHECKS At the time of installation and at peri odic intervals (not more than six (6) months), a visual check of the p ilot and main burner flames should be conducted. The flames should be similar to those pictured below. The main burner should light smoothly from the pilot. (See Figure 9). Figure 9 D[...]

24 MAINTENANCE 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 upon the amount of use and the operating conditions of the water heater. Regular inspection and maintenance of the water he[...]

25 Maintenance c ontinued- 6. Annually remove the inner door and main burner assembly to clean orifices and related parts of any dirt or other foreign material. Inspect the burner ports for obstructions or debr is and clean with a wire brush as needed. Wire brush and/or vacuum clean the combustion chamber as needed to remove scale deposits and debr[...]

26 Maintenance c ontinued- Contact your supplier or plumbing professional for replacement parts or contact the company at the address gi ven on the rating plate of the water heater. Provide the part name, model and seri al numbers of the water heater when ordering parts. READ THE WARRANTY FOR A FULL EXPLANATION OF THE LENGTH OF TIME THAT PARTS AND [...]

27 DIAGNOSTICS FOR HONEYWELL CONTROL LED Status Control Status Probable Cause None (LED not on or flashing) Millivolt power is not present. Light pilot. 1. Gas valve is functioning normally 2. Gas valve is not powered. Light pilot One flash and three second pause. If set point knob is in "PILOT" position then pilot flame is detected. (no [...]

28 Diagnostics for Honeywell Control Continue d- LED Status Control Status Probable Cause Six flashes and three second pause Water leak detected by accessory module (some models). 1. Excessive amount of water in drain pan/water dam. Seven flashes and three second pause. Gas valve electronic fault detected. 1. Verify control is not w et or physicall[...]

29 DIRECT VENT WATER HEATER PARTS LIST Note: Provide the part name, model and serial numbers of the water heater when ordering parts. PART NAME & DESCRIPTION 1. Plenum 2. Plenum Gasket 3. Flue reducer 4. Dip Tube & Nipple 5. Anode Rod & Nipple 6. Temperature-Pressure Relief Valve (Certain Models) 7. Baffle 8. Vertical Radshield 9. Horiz[...]

30 THE FOLLOWING INSTRUCTIONS ARE FOR INSTALLATION OF: GAS WATER HEATERS SUITABLE FOR WATER (POTABLE) HEATING AND SPACE HEATING 1. All piping components connected to th is water heater for space heating applications must be suitable for use with potable water. In Massachusetts, space heating piping length must not exceed 50 feet. 2. Toxic chemicals[...]

31 NOTES[...]

32 NOTES[...]