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39

NOTE

: Please note that these illustrations are meant to show system piping concept only, the installer is responsible for all equipment.

The installer must follow all manufacturer’s instructions for each system component. The installer is responsible for compliance with

local codes.

The piping will not support the weight of the water heater circulator pump. Do not attempt to support the weight of the water heater

circulator pump with the piping or its accessories. Refer to the pump manufacturer’s installation instructions. Failure to comply could

result in severe personal injury, death, or substantial property damage.

Figure 58. ONE WATER HEATER/ VERTICAL STORAGE TANK RECOVERY SYSTEM

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Содержание XWH 150

Страница 1: ...ATION SERVICE MAINTENANCE LIMITED WARRANTY WARNING If the information in these instructions is not followed exactly a fire or explosion may result causing property damage personal injury or death Do n...

Страница 2: ...An Existing Vent System To Install A New Water Heater 14 When Removing A Water Heater From Existing Common Vent System 14 Removing A Water Heater From Wood Pallet 15 Gas Conversions 15 Leveling The Wa...

Страница 3: ...hazard what can happen if you do not follow the safety message and how to avoid the risk of injury DANGER WARNING CAUTION CAUTION DANGER indicates an imminently hazardous situation which if not avoide...

Страница 4: ...ce connected to the hot water system If hydrogen is present there will probably be an unusual sound such as air escaping through the pipe as the water begins to flow THERE SHOULD BE NO SMOKING OR OPEN...

Страница 5: ...re placing water heater in operation Disconnect gas piping at main gas shutoff valve before leak testing heater Install sediment trap in accordance with NFPA 54 or CAN CSA B149 1 Use joint compound or...

Страница 6: ...his manual These diagrams will serve to provide the installer with a reference It is essential that all venting water piping gas piping and wiring be installed as shown Particular attention should be...

Страница 7: ...7 FEATURES AND COMPONENTS Left Side Inside Out Models 285 Rear View Models 285 Left Side Inside Out Models 150 200 Rear View Models 150 200 MODELS 150 200 MODEL 285...

Страница 8: ...13 33 11 40 27 14 15 6 4 8 1 16 3 21 10 36 2 41 5 23 34 20 7 28 19 Left Side Inside Out Models 600 800 Rear View Models 600 800 Left Side Inside Out Models 400 500 Rear View Models 400 500 MODELS 400...

Страница 9: ...pecially designed coils for maximum heat transfer while providing protection against flue gas corrosion The coils are encased in a jacket that contains the combustion process 2 Combustion Chamber Acce...

Страница 10: ...ANE GAS NATURAL GAS PROPANE GAS NATURAL GAS PROPANE GAS XWH 150 0 22 W C 0 054 kPa 0 23 W C 0 057 kPa 4 W C 1 kPa 8 W C 2 kPa 14 W C 3 49 kPa 14 W C 3 49 kPa XWH 200 0 39 W C 0 09 kPa 0 39 W C 0 09 kP...

Страница 11: ...aust venting Use only the vent materials and methods specified in this Instruction Manual 2 Standard XP water heaters are equipped to operate from sea level to 4 500 feet only with no adjustments The...

Страница 12: ...ES Clearances from combustible materials 1 Hot water pipes at least 1 4 from combustible materials 2 Vent pipe at least 1 from combustible materials 3 See Figure s 2 and 3 below for other clearance mi...

Страница 13: ...om are needed when clearances around the XP water heater are at least equal to the SERVICE clearances shown in Figure s 2 and 3 For spaces that do NOT supply this clearance provide two openings as sho...

Страница 14: ...us conditions of use 7 Any improper operation of the common venting system should be corrected so the installation conforms with the National Fuel Gas Code ANSI Z223 1 NFPA 54 and or CAN CSA B149 1 Na...

Страница 15: ...er remove the parts box 2 Remove the front door to access the lag bolts in front of the unit see Figure below 3 To remove the water heater from the pallet after removing the front door Remove the two...

Страница 16: ...lled Failure to comply will cause a gas leak resulting in severe personal injury or death Model 500 1 Remove the top access covers from the unit no tools required for removal 2 Turn the adjustment scr...

Страница 17: ...ore details Figure 11 PVC CPVC Concentric Sidewall Termination Models 150 600 Only See Page 28 for more details Figure 12 Two Pipe Vertical Termination See Page 31 for more details Figure 13 PVC CPVC...

Страница 18: ...nsate will not become trapped in a section of vent pipe and therefore reduce the open cross sectional area of the vent INSTALL VENT AND COMBUSTION AIR PIPING This water heater must be vented and suppl...

Страница 19: ...missions causing severe personal injury or death SIZING This water heater uses model specific combustion air intake and vent piping sizes as detailed in Table below Table 8 Air Intake Vent Piping Size...

Страница 20: ...hrough the roof or through a sidewall Follow the procedures in this manual for the method chosen Refer to the information in this manual to determine acceptable vent and air piping length OPTIONAL ROO...

Страница 21: ...Models 700 800 POLYPROPYLENE This product has been approved for use with the Polypropylene vent with the manufacturers listed in Table 12 All terminations must comply with listed options in this manu...

Страница 22: ...approved vent adapters Do not use CPVC starter piece All vent connections MUST be secured by the vent manufacturer s joint connector Figure 20 Insulation should not be used on polypropylene venting m...

Страница 23: ...d Security Chimney Secure Seal ICC VIC Use of FasNSeal Flex smooth inner wall vent is to be used in vertical or near vertical sections only taking precaution to ensure no sagging occurs of the vent sy...

Страница 24: ...manual 2 You must consider the surroundings when terminating the vent and air a Position the vent termination where vapors will not damage nearby shrubs plants or air conditioning equipment or be obje...

Страница 25: ...gure 23 c Do not terminate closer than 4 feet horizontally from any electric meter gas meter regulator T P Relief Valve or other equipment Never terminate above or below any of these within 4 feet hor...

Страница 26: ...andard constructions per the directions found in this manual 9 Stainless steel terminations are designed to penetrate walls with a thickness up to 9 25 inches of standard construction SIDEWALL DIRECT...

Страница 27: ...ngs thoroughly with exterior caulk Figure 31 Polypropylene Sidewall Termination Assembly Figure 32 A Typical Sidewall Termination Assembly Models 150 800 PVC CPVC or Stainless Steel MULTIPLE VENT AIR...

Страница 28: ...ATIONS 1 Determine the best location for the termination kit see Figure above 2 Reference the Determine Location section on Page 24 of this manual for general termination considerations 3 Cut one 1 ho...

Страница 29: ...dimension D more than 60 inches see Figures 38 and 39 If assembly depth needs to be reduced dimension D can be as short as possible Figure 38 Concentric Vent Dimensional Drawing Models 150 200 NOTE I...

Страница 30: ...rminations be made as shown to avoid recirculation of flue gases DO NOT use field supplied couplings to extend pipes Airflow restriction will occur and may cause intermittent operation 8 Cement applia...

Страница 31: ...in an up turned coupling as shown in Figure 43 The top of the coupling must be at least 1 foot above the air intake When the vent termination uses a rain cap as illustrated in Figure 44 maintain at le...

Страница 32: ...eilings and roofs 5 Provide flashing and sealing boots sized for the vent pipe and air pipe MULTIPLE VENT AIR TERMINATIONS 1 When terminating multiple XP water heaters terminate each vent air connecti...

Страница 33: ...e screw assembly method drill a clearance hole in the rain cap and a pilot hole in the vent pipe for the screw size being used Failure to drill adequate holes may cause cracking of PVC components allo...

Страница 34: ...or recirculation of combustion products may occur Water may also collect inside the larger combustion air pipe and flow to the burner enclosure Failure to follow this warning could result in product d...

Страница 35: ...to the appropriate example Installation must comply with local requirements and with the National Fuel Gas Code The maximum allowable equivalent vent and air intake lengths for this venting arrangemen...

Страница 36: ...ystem volume and capacity 6 Install a drain valve at the lowest point of the system 7 This appliance is supplied with a Temperature Pressure Relief Valve sized in accordance with ASME Boiler and Press...

Страница 37: ...due to water chemistry generally shows up first in the hot water system because heated water increases the rate of corrosive chemical reactions PIPING COMPONENTS WATER HEATER SYSTEM PIPING Water heat...

Страница 38: ...urer s instructions for each system component The installer is responsible for compliance with local codes The piping will not support the weight of the water heater circulator pump Do not attempt to...

Страница 39: ...ponsible for compliance with local codes The piping will not support the weight of the water heater circulator pump Do not attempt to support the weight of the water heater circulator pump with the pi...

Страница 40: ...urer s instructions for each system component The installer is responsible for compliance with local codes The piping will not support the weight of the water heater circulator pump Do not attempt to...

Страница 41: ...ponsible for compliance with local codes The piping will not support the weight of the water heater circulator pump Do not attempt to support the weight of the water heater circulator pump with the pi...

Страница 42: ...1 2 PSIG 3 5 kPa c The appliance and its gas connection must be leak tested before placing it in operation GAS CONNECTIONS CONNECTING GAS SUPPLY PIPING 1 Remove the top access panel and refer to Figu...

Страница 43: ...hat pipe dope does not block gas flow Failure to apply pipe sealing compound as detailed in this manual can result in severe personal injury death or substantial property damage XP water heaters are t...

Страница 44: ...190 1 980 1 820 1 700 4 17 500 12 000 9 660 8 270 7 330 6 640 6 110 5 680 5 330 5 040 4 460 4 050 3 720 3 460 XP water heaters are typically shipped ready to fire on natural gas Check the water heate...

Страница 45: ...ignition failure The problem is especially noticeable in NEW Propane LP installations and also in empty tank situations This can also occur when a utility company shuts off service to an area to prov...

Страница 46: ...rough the knockouts in the rear of the water heater as shown in Figure 71 2 Connect low voltage wiring to low voltage connection board as shown in Figure 72 on Page 48 of this manual and the water hea...

Страница 47: ...age Connection Boards Figure 72 If more than two water heaters are on the Lead Lag daisy chain the wiring from the Lead Lag terminals on the second water heater to the Lead Lag terminals on the third...

Страница 48: ...48 Figure 72 Low Voltage Field Wiring Connections...

Страница 49: ...rom multiple condensing appliances CONDENSATE DISPOSAL CONDENSATE DRAIN 1 This water heater is a high efficiency appliance that produces condensate 2 The side of the water heater has a 1 2 inch PVC un...

Страница 50: ...e Failure to fill the trap could result in severe personal injury or death FINAL CHECKS BEFORE STARTING THE WATER HEATER Read the XP Water Heater Service Handbook to familiarize with Control Module op...

Страница 51: ...rs verify conversion 1 Verify propane conversion has been completed per the Propane Conversion instructions DO NOT adjust gas valve outlet pressure The gas valve is factory set for the correct outlet...

Страница 52: ...art has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water OPERATING...

Страница 53: ...53 OPERATING INSTRUCTIONS FOR MODELS 400 800...

Страница 54: ...ol module regulates blower speed to control the water heater firing rate The gas valve senses the amount of air flowing into the water heater and allows only the right amount of gas to flow CONTROL IN...

Страница 55: ...t high limit The automatic reset high limit has a set point of 200 F and the manual reset high limit has a maximum set point of 210 F When the outlet temperature exceeds 200 F the automatic high limit...

Страница 56: ...for heat is satisfied the control will de energize the gas valve The blower will continue to run during the postpurge 8 The water heater pump will continue to run for its respective pump delay time b...

Страница 57: ...LAY Tank Temperature 71 F Operating Setpoint 184 F Status Ignition HELP DISABLE A O Smith XP MENU OFF GAS O N LCD Touch Screen Display Status Icons Main Menu Help Menu Enable Disable Button Figure 75...

Страница 58: ...em or when the Enable Disable switch on the display is in Disable position or Building Management system Enable Disable circuit is an open circuit Display will read Status Water Heating Disabled The C...

Страница 59: ...er heater components are displayed in this menu Display Settings Temperature units F or C the LCD appearance brightness contrast and backlight delay user adjustable settings are located in this menu H...

Страница 60: ...on per Start Up section of this manual Flame inspection stable uniform Flame signal at least 10 microamps at high fire Clean the heat exchanger if flue temperature is more than 54 F above return water...

Страница 61: ...ment from inside the water heater and components Remove any obstructions CLEAN CONDENSATE TRAP 1 Inspect the condensate drain line condensate PVC fittings and condensate trap 2 Remove the PVC cap reta...

Страница 62: ...a thermal expansion tank waterlogging or undersizing INSPECT IGNITION AND FLAME SENSE ELECTRODES 1 Remove the ignition and flame sense electrodes from the water heater heat exchanger access cover 2 Re...

Страница 63: ...anger to thoroughly dry 10 Remove the field supplied rear refractory cover from the back of the combustion chamber of the heat exchanger and reassemble 11 Close isolation valves on piping to isolate w...

Страница 64: ...tual switch states may vary from those shown on diagrams depending upon whether utilities are connected or a fault condition is present 2 See wiring diagram for additional notes LOW VOLTAGE 120 VAC HI...

Страница 65: ...ptions Replacement high vo ltage spark lead and ribbon cables must be purchased from the factory Use of a non approved spark lead or ribbon cables can lead to operational problems which could result i...

Страница 66: ...66 NOTES...

Страница 67: ...follow applicable codes Failure to follow printed instructions Abuse misuse accident fire flood Acts of God Improper installation sizing delivery or maintenance Claims related to rust noise smell or t...

Страница 68: ...500 Tennessee Waltz Parkway Ashland City TN 37015 Technical Support 800 527 1953 Parts 800 433 2545 www hotwater com Copyright 2016 A O Smith All rights reserved...

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