Bradford White UCG100H199 Installation And Operation Manual Download Page 50

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Step 4:

Press “Set” button to confirm ˚F or ˚C format.

˚F/˚C will stop flashing.

Step 5: Pressing “Select” button will re

turn display to setpoint in format selected (˚F or ˚C) immediately.

SELECT

SET

Status

°F

idle

Operational

Lower Sensor



Setpoint shown in °F

SELECT

SET

Status

°F

idle

Operational

°F

°F/°C



"°F/°C" Symbol Stops Flashing

Summary of Contents for UCG100H199

Page 1: ...s 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...

Page 2: ...e 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 following terms are used throughout...

Page 3: ...ter It is the responsibility of the installing contractor to see that all controls are correctly installed and are properly operating when the installation is complete This water heater is suitable fo...

Page 4: ...e maximum set point can result in scalding hot water delivered to the faucets It is highly recommended that the maximum setpoint be adjusted to the lowest temperature possible for the needs of the ins...

Page 5: ...80 270 000 64 6 10 44 47 61 55 1 1 UCG80H399 80 399 999 68 8 10 44 47 61 55 1 1 Model Description A Floor to Top of Vent mm B Vent Dia mm C Floor to Cold Water Conn mm D Floor to T P mm E Floor to Hot...

Page 6: ...the back of this Installation and Operating Instruction Manual ADJUSTABLE THERMOSTAT This water heater is equipped with an adjustable thermostat as part of the Integrated Control System to control wa...

Page 7: ...re 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 th...

Page 8: ...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 sm...

Page 9: ...extending beyond the full width and depth of the appliance by at least three 3 inches 7 6 cm in any direction or if the appliance is to be installed in an alcove or closet the entire floor must be cov...

Page 10: ...sides and Rear A Less than or equal to 270 000 BTUH 0 in 0 0 CM 399 999 BTUH 0 in 0 0 CM 2 in Rear ONLY Figure 2a Minimum Clearance To Combustible Material Figure 2b Recommended Minimum Clearances For...

Page 11: ...serious damage to the water heater and risk of fire or explosion It can also create a risk of asphyxiation Such a condition often will result in a yellow luminous burner flame causing carboning or so...

Page 12: ...nfined spaces in buildings infiltration may be adequate to provide air for combustion ventilation and dilution of flue gases However in buildings of tight construction for example weather stripping he...

Page 13: ...he venting installation is complete and the piping completed Failure to complete installation before operation can result in property damage personal injury or death The venting system must be install...

Page 14: ...rafts during shutdown periods CAUTION The vent shall terminate a minimum of 12 inches above expected snowfall level to prevent blockage of vent termination The horizontal centerline of the exhaust ven...

Page 15: ...located above the terminal within a horizontal distance of 2 feet 61 cm from the center line of the terminal b b K Clearance to a mechanical air supply inlet 6 feet 1 83 m 3 feet 91 cm above if within...

Page 16: ...away from the water heater The vent system must be supported every 5 feet of vertical run and every 3 feet of horizontal run of vent pipe length CAUTION Failure to properly support the vent piping wit...

Page 17: ...and every 3 feet of horizontal run of vent pipe length CAUTION Failure to properly support the vent piping with hangers and clamps may result in damage to the water heater or venting system Figure 5 T...

Page 18: ...270 20 50 75 UCG80H399 N A 25 50 Determining required vent length 1 Determine the total length of straight vent pipe in feet required for the intake 2 Add 5 feet of venting for every 90 elbow 3 Add 2...

Page 19: ...TER Table 3 Scald Times APPROXIMATE TIME TEMPERATURE RELATIONSHIPS IN SCALDS 120 F 49 C More than 5 minutes 125 F 52 C 1 to 2 minutes 130 F 54 C About 30 seconds 135 F 57 C About 10 seconds 140 F 60 C...

Page 20: ...temperature steam BTU discharge capacity not less than the hourly rating of the water heater Install the combination temperature and pressure relief valve into the opening provided and marked for thi...

Page 21: ...y shut off valve 4 Open the drain valve on the water heater by turning the slot on the valve counter clockwise The drain valve has threads on the end that will allow the connection of a standard hose...

Page 22: ...he water heater Refer to Figure 7 and Figure 8 for installation examples Maintain a minimum 1 2 clearance from hot water piping to combustible materials Figure 7 Alternate Space Heating Connections Fi...

Page 23: ...OPEN FLAME FOR TESTING 3 While checking for leaks care must be taken to prevent solution from contacting the electrical connections at the control If electrical connections at the control become wet...

Page 24: ...rdance with the operating instructions label attached to the water heater Under no circumstances should the input rate exceed the input rate shown on the water heater rating plate Over firing could re...

Page 25: ...ord provided on the control box Do not plug the line cord into a receptacle that can have the power supply interrupted by a switch that is used to control lights or another appliance If wiring in cond...

Page 26: ...ve steps have been made by a factory authorized independent service contractor or qualified service professional 1 Flooding to or above the level of the burner or controls 2 External firing 3 Damage 4...

Page 27: ...E ADJUSTMENT APPROXIMATE TIME TEMPERATURE RELATIONSHIPS IN SCALDS 120 F 49 C More than 5 minutes 125 F 52 C 1 to 2 minutes 130 F 54 C About 30 seconds 135 F 57 C About 10 seconds 140 F 60 C Less than...

Page 28: ...gas control gas pressure MUST be monitored and properly adjusted no less than every 6 months thereafter This water heater when set at a lower temperature setting is not capable of producing hot water...

Page 29: ...ion To avoid unnecessary expense and inconvenience make sure the tank is leaking before calling a service person If the water heater display does not show Operational in the Status indicator there may...

Page 30: ...r pressing Temperature Up button SELECT SET Status Set button Select button Temperature Down Button Temperature Up Button F idle setpoint Operational Sequence of operation Indicator Reads Idle or Heat...

Page 31: ...s and hold Temperature Down button until desired setpoint temperature appears in the display Step 2 Setpoint indicator begins flashing in the display after pressing Temperature Down button SELECT SET...

Page 32: ...ture Format in Display from F to C or C to F Step 1 Press SELECT button until F C is displayed Step 2 Press SET button to change temperature format Symbol F C will flash SELECT SET Status idle Operati...

Page 33: ...button to confirm F or C format F C will stop flashing Setpoint display will appear in the format selected F or C in 10 seconds SELECT SET Status F idle Operational Step 4 Press Set F C Symbol F C St...

Page 34: ...ally two weeks or more Hydrogen gas is extremely flammable To prevent the possibility of injury under these conditions we recommend the hot water faucet to be open for several minutes at the kitchen s...

Page 35: ...val of lime scale The unit should be inspected and adjusted to maintain proper combustion Refer to Table 5 Suggested Maintenance Schedule A periodic inspection of the venting system should be made BUR...

Page 36: ...Open the heater drain valve 7 If the water heater is being drained for an extended shutdown it is suggested the drain valve be left open during this period FILLING WATER HEATER 1 Close the water heat...

Page 37: ...he anode requiring frequent inspections The replacement anodes rods are available from your plumbing professional To inspect or replace an anode The anodes on this water heater are easily accessible f...

Page 38: ...ake system every 3 months Points of inspection are as follows 1 Check for obstructions and or deterioration of vent piping and vent terminal Replace immediately where needed 2 Vent pipe and vent termi...

Page 39: ...water heater display Removing the blockage and resetting the switch will resume normal operation 5 The burner flame is monitored by the flame sense circuit and if the flame should extinguish the gas v...

Page 40: ...s only shown if there is an operating error in the User Mode NOTICE Approximately 12 minutes after the last button press the display will automatically return to the User Mode Simultaneously pressing...

Page 41: ...ing 3 Flame Current of Pilot Flame Sensor Displays only in the Heating Cycle SELECT SET Status Heating Operational Flame Current A SELECT SET Status F idle Water Temp Operational SELECT SET Status idl...

Page 42: ...5 F C Display Change 6 Differential Display only shows the differential of the thermostat SELECT SET Status F idle Differential Operational SELECT SET Status F C idle Operational F SELECT SET Status...

Page 43: ...ode History Displays if there are present error codes or up to 10 previous error codes Water Heater Display will show if there are no error codes SELECT SET Status idle Operational No current error co...

Page 44: ...delivered to the faucets It is highly recommended that the maximum setpoint be adjusted to the lowest temperature possible for the needs of the installation See following section to change the maximum...

Page 45: ...isplay will go back to User Mode It will read Max Setpoint without showing a temperature value if the temperature setpoint is at the maximum setting The Water Heater Display can be set back to the Use...

Page 46: ...ot flame sense current is available only when the burners are in operation Step 1 Make sure the status displays Heating or draw enough hot water to start the burners Step 2 Enter the Service Mode desc...

Page 47: ...limited to the Max Setpoint described previously To change the Max Setpoint refer to the procedure To Change the Maximum Setpoint Limit described previously under Accessing the Service Mode on the Wat...

Page 48: ...to confirm the new setpoint Setpoint stops flashing in the water heater display To Change Temperature Format in Display from F to C or C to F Step 1 While in Service Mode press Select button until F C...

Page 49: ...ess Temperature Up button to change temperature format to C Step 3b Press Temperature Down button to change temperature format to F SELECT SET Status idle Operational F Changes to F F C F C Flashes SE...

Page 50: ...ill stop flashing Step 5 Pressing Select button will return display to setpoint in format selected F or C immediately SELECT SET Status F idle Operational Lower Sensor Setpoint shown in F SELECT SET S...

Page 51: ...ut the water heater into a Hard Lockout condition in which the water heater will not operate and cannot be reset in the User Mode To reset a hard lockout first enter the Service Mode described earlier...

Page 52: ...lect button after the Software Version item 8 in the previously described sequence of service modes will show an error code history if there have been any previous operating problems with the water he...

Page 53: ...ext to the water heater display will identify the code number If no number is displayed with only a in the water heater display then there has not been an error code for error code index 10 Step 4 Pre...

Page 54: ...code index The water heater display will store up to 10 error codes with the oldest code starting in code index 1 with the most recent code in code index 10 Step 7 10 seconds after the last button pre...

Page 55: ...make sure gas valve has closed No voltage should be present at the gas valve before the ignition cycle Make sure wire positions on the wire harness are correct If gas valve is stuck open replace 26 E...

Page 56: ...lower harness and then at blower pin connections Replace control wire harness or blower if defective Check to make sure vent terminals are clear of debris or snow and ice Make sure the condensate drai...

Page 57: ...7869 7685 7507 90 7333 7165 7000 6839 6683 6531 6383 6238 6098 5961 100 5827 5697 5570 5446 5326 5208 5094 4982 4873 4767 110 4663 4562 4464 4368 4274 4183 4094 4006 3922 3839 120 3758 3679 3602 3527...

Page 58: ...ntrol Display 9 Front Cold Water Inlet 10 Plastic Hole Closure 11 No Handle Brass Drain Valve 12 Cleanout Access Cover 13 Screw 5 16 18 x 3 4 HH Grade 5 14 Cleanout Cover 15 T P Specify Model 16 Hot W...

Page 59: ...model 16 Gasket Burner Specify Model 5 Gasket Screw 17 Burner Specify Model 6 Transition Tube 18 Burner Mount Assembly 7 Gasket Blower Transition 19 Sight Glass Assembly 8 Gasket Transition Tube 20 Ga...

Page 60: ...8 146 772 Other U S and Foreign patent applications pending Current Canadian Patents 2 092 105 2 107 012 2 108 186 2 112 515 2 143 031 2 239 007 2 262 174 2 314 845 2 409 271 2 476 685 2 504 824 2 54...

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