Page 2 - GENERAL SPECIFICATIONS; Electrical Wiring; For; ING
2 Rev. 7 reflects the following: Changes to: Paragraph 3 of the GENERAL SPECIFICATIONS section on page 6; Fig. 13 on page 14; paragraph one of the Electrical Wiring section on page 16; te Wiring Diagrams on pages 17–21; the For Intermittent Ignition (IID) with Honeywell or Robertshaw Gas Valve secti...
Page 3 - CONTENTS
WARNINGS 4 Pay Attention to These Terms 4 GENERAL SAFETY 5 Time/Temperature Relationships in Scalds 5 RECEIVING EQUIPMENT 6 GENERAL SPECIFICATIONS 6 INSTALLATION 8 Code Requirements 8 Mounting Base 8 Clearances 8 Combustion & Ventilation Air 8 Venting Connections 9 Gas Supply Connections 13 Wate...
Page 4 - WARNINGS—; Pay Attention to These Ter ms; Gasoline, as well as other flammable; Failure to install the draft hood and
4 DANGER: Indicates the presence of immediate hazards which will cause severepersonal injury, death or substantial property damage if ignored. WARNING: Indicates the presence of hazards or unsafe practices which could causesevere personal injury, death or substantial property damage if ignored. CAUT...
Page 5 - GENERAL SAFETY; Temperature; Table A: Time to Produce Serious Burn
5 GENERAL SAFETY To meet commercial hot water requirements, the tank-stat is adjustable up to 190°F. However, watertemperatures over 125°F can cause severe burnsinstantly or death from scalds. This is the preferredstarting point for setting the control for supplying gen-eral purpose hot water. Safet...
Page 6 - RECEIVING EQUIPMENT; There is a Hot Water SCALD Potential if; Table B: Specifications and Dimensions
6 RECEIVING EQUIPMENT On receipt of your equipment it is suggested that youvisually check for external damage to the carton. If thecarton is damaged, it is suggested that a note be madeon the Bill of Lading when signing for equipment.Remove the heater from the carton and if it is dam-aged report the...
Page 7 - Fig. 2: Dimensions and System Component Layout; TANK
7 OUT IN G GAS C OUTDOOR BASE A 8 J K A 2 26-1/2 21-1/4 ELEC CONN H UPFRONTCONTROLS 40 STACKLESS OUTDOOR TOP 13-1/4 8-1/2 11 6-3/4 26-1/2 2-1/2 OPTIONAL COMBUSTIBLEFLOOR SHIELD 38 Fig. 2: Dimensions and System Component Layout TANK HEATER UPPER LOWER Components should be placed as close as possible.
Page 8 - INSTALLATION; Code Requirements; Heater Side; Table C: Minimum Clearances from Combustible
8 INSTALLATION Code Requirements Installation must be in accordance with local codes, or,in the absence of local codes, with the latest editionsof the National Fuel Gas Code, ANSI Z223.1,/NFPA54, and the National Electrical Code, ANSI/NFPA 70.In Canada installations must conform with the currentCAN/...
Page 9 - If the heater room is located against an outside; TWO; openings on the out; Table D: Minimum Net Free Area; Outdoor Models; Outdoor Models; Table E: Minimum Net Free Area; If louvers, grills or screens are used on the
9 1. The heater must be provided with adequate sup- ply of air for proper combustion and ventilation inaccordance with the latest edition of the NationalFuel Gas Code, ANSI Z223.1, or applicable provi-sions of the local building codes. 2. When the heater is installed in a confined space where all ai...
Page 10 - Indoor Models; Fig. 5: Long Side of Mounting Angle Located as Shown
10 2. Attach mounting angles to heater jacket with 1/2" sheet metal screws, (4 places). 3. Lower outdoor top to heater and secure with 1" sheet metal screws. Indoor Models The drafthood is shipped separately and must beinstalled on the heater. Models 0260 & 0261 1. Mount drafthood on top...
Page 11 - Vent Ter minal/Indoor Stack Installation; minimum; Table F: Vent Piping Specifications
11 Models 0330, 0331, 0400 & 0401 Vent Ter minal/Indoor Stack Installation 1. Remove the louvered jacket top by removing four (4) #10 flat head screws. 2. If originally installed, remove "Pagoda" top from the louvered jacket top. 3. Place the inner stack adapter panel over the flue colle...
Page 12 - Common Vents; (a) Seal any unused openings in the common venting; Drafthood
12 The weight of the vent stack or chimney must not reston heater draft hood. Support must be provided incompliance with applicable codes. The heater top anddraft hood must be readily removable for maintenanceand inspection. Vent pipe should be adequately sup-ported to maintain proper clearances fro...
Page 13 - Gas Supply Connections; The heater and its manual shut off
13 ate at maximum speed. Do not operate a summerexhaust fan. Close fireplace dampers. (d) Place in operation the appliance being inspected. Follow the lighting instructions. Adjust tankstat soappliance will operate continuously. (e) Test for spillage at the draft hood relief opening after 5 minutes ...
Page 14 - Type of; Natural; Table H: Gas Pressure Specifications
14 Gas Pressure Specifications Gas Pressure Regulator The gas valve is provided with pressure taps to meas-ure gas pressure upstream of the gas valve anddownstream which is the same as the manifold pres-sure. Type of Gas Inches WC Regulator Setting Min. Max.* Natural 7.0 10.5 4.0 Propane 12.0 13.0 1...
Page 15 - Relief Valve; FLOW SWITCH; Fig. 14: 0261 Low NOx WH1 with Pressure Relief Valve
15 If this water heater is installed in a closed water supplysystem, such as one having a back-flow preventer inthe cold water supply line, means shall be provided tocontrol thermal expansion. Contact the water supplieror local plumbing inspector on how to control this situ-ation. When this water he...
Page 16 - If it is necessary to replace any of the
16 Electrical Wiring The electrical power supply requirement for theseheaters is 120 volts, 60 Hz. Field wiring connectionsand electrical grounding must comply with the localcodes, or in the absence of local codes, with the latestedition of the National Electrical Code, ANSI/NFPA 70.Provide a separa...
Page 17 - Wiring Diagrams
17 Wiring Diagrams Fig. 15: Standing Pilot Model 0260 (FIELD INSTALLED)
Page 22 - Sequence of Operation; Filling the System
22 SERVICING PROCEDURES Sequence of Operation Inter mittent Ignition Device (IID) Heaters equipped with the IID system will automatical-ly light the pilot burner first and then the main burner,each time there is a call for heat from the tankstat.Whenever the tankstat calling for heat, the circulator...
Page 23 - HONEYWELL PILOT
23 For Standing Pilot Model withRober tshaw Gas Valve, On/OffOperation 1. STOP! Read the safety information above.2. Set the tankstat on the lowest setting.3. Turn OFF all electric power to the heater.4. Remove heater door panel.5. Push in gas control knob slightly and turn clock- wise to "OFF...
Page 24 - For Automatic Ignition Models; BEFORE OPERATING; WHAT TO DO IF YOU SMELL GAS:; For Robertshaw Gas Valve:; ON
24 * If red reset button does not pop up when released, STOP and immediately call yourservice technician or gas supplier. * If the pilot does not stay lit after several tries, turn the gas control knob to "OFF" and call yourService technician or gas supplier. 10. Stand to the side of the hea...
Page 25 - To Tur n Off Gas To Appliance; For Robertshaw IID Gas Valve:; Testing the Ignition Safety Shut-off; For Standing Pilot Systems
25 For Honeywell Gas Valve: Turn gas control knob counter-clockwise from “OFF” until it stops. Push in gas control knob and continue rotatingcounter-clockwise to “ON” position. Make sure knob rest against stop. For Honeywell Gas Valve: Turn gas control knob counter-clockwise to “ON”. 9. Replace door...
Page 26 - Inspection Procedures; Bur ners; Controls; DETAIL A
26 Inspection Procedures Bur ners Clean main burners and air louvers of dust, lint anddebris. Keep heater area clear and free from com-bustibles and flammable liquids. Do not obstruct theflow of combustion and ventilating air. Make visualcheck of burner and pilot flame. Yellow flame indicatescloggin...
Page 28 - Repair Section
28 10. Carefully slide out the burner tray assembly.11. Reverse above procedure to reinstall. Gas Valve Removal 1. Shut off main electrical power switch to heater.2. Shut off gas supply to the heater.3. Remove front door.4. Disconnect gas line from gas valve.5. Disconnect wires, pilot tubing and ble...
Page 30 - TROUBLESHOOTING
30 These instructions are primarily intended for the use of qualified personnel specifically trained and experienced in the installation of this type of heating equipment and related system components. Installation and service personnel maybe required by some states to be licensed. Persons not quali...
Page 32 - For qualified
32 NOTE: Before troubleshooting, familiarize yourself with the start-up and checkoutprocedure. Check line voltage power, low voltage transformer, limit controller, thermostat(controller) and wiring. Pull ignition lead and check spark at module. Spark Okay?YES • Check ignition cable, ground wiring, c...