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57

5

4

Blower

L1

Neutral

PE

PWM Signal

Speed f-back

Dgnd

Blower 

Speed

2 White / Orange

4 White / Blue 5 White / Green

1 Black 2 Whit

e

3 Green

Blower Power

Power

Supply J1

2 White 3 Black

Power

Supply J2

Power 

Supply

1 Blue

3 Orange

4 White/Green

2 White/Blue

4 White/Orange 5 White/Green

CCB J5

Blower Logic

PWM Signal

Speed f-back

Dgnd

No factory 

connections

CCB J17

Low Voltage Field

Central Control Board

(CCB)

Neutral

Line to Spark

CCB J6

Power Out

1 Blue 2 Brown

1 Brow

n

2 White/Blue

4 Blue

5 Orange

6 White/Green

CCB J16

Low Voltage In

24VAC

24VAC

12VDC

5VD

C

Dgn

d

1 Re

d

2 Black

CCB J9

Upper Probe

ECO

Thermistor

4 Re

d

3 Black

ECO

Thermistor

1 Black 2 Black

CCB J10

Lower Probe

Thermistor Thermistor

2

Inlet return

Outlet return / Inlet power

Outlet power

1 White 2 Red

CCB J15

Pressure 

Switches

4 Gree

n

Neutral

L1

9 Whit

e

CCB J1

HIGH Voltage In

8 Black

1 Blue

3 Yello

w

4 Orange 5 Violet

CCB J3

+5V

Data 

+

Data 

-

D gn

d

SDA (data)

SCL (data)

Write protect

+5V Dgnd

CCB J12

2 Red

3 Green

4 White/Brown

5 White/Blu

e

6 White/Orange

Ke

y

Gas Valve

L1

Neutral

Protective 

Eart

h

MAIN INPUT

3 CIRCUIT BARRIER 

TERMINAL BLOCK

Metal Oxide Varistors

Whit

e

Black

Green

GROUND SCREW

CCB J14 

Limit String

1 Blue 2 Green 3 Yello

w

4 Black

6 Black

8 Black 9 Red 10 Brown 11 Violet 12 Gray

Anode Dgnd

Flame Ro

d

Condensat

e

Gas V Switch

Gas V 24V 24V Rt

n

Condensat

e

Gas PS

Gas V Switch

Yello

w

Flame  Ro

d

Spark Module

Switched L1 Neutral

1 Brown 2 Blue 3 Green

Ground

Red Black

Red

Black

Upper Temperature 

Probe / ECO

Spark Rod

Black Black

Lower 

Temperature 

Probe

Outlet Pressure

Switch

Inlet Pressure

Switch

Enable/Disable

Transformer

Secondary

White / Red

White / Blue

Transformer

Primary

Black

White

Transformer

1 Blue

3 Yello

w

4 Orange

Display J1

5 Viole

t

+5V

Data 

+

Data 

-

D gn

d

  CAUTION

LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING CONTROLS. WIRING ERRORS CAN CAUSE IMPROPER AND 

DANGEROUS OPERATION. VERIFY PROPER OPERATION AFTER SERVICING.

 Figure 49: WIRING SCHEMATIC (All Models)

WIRING DIAGRAM

Содержание BSS

Страница 1: ...tly a fire or explosion may result causing property damage personal injury or death Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WH...

Страница 2: ...take Moisture Protection 25 Horizontal Vent Terminal Installation 25 Vertical Vent Terminal Installation 26 Termination Clearances Sidewall Direct Vent 27 Direct Vent Installation Diagrams 28 Concentr...

Страница 3: ...ot 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 avoided will result in injury or death T...

Страница 4: ...Explosion Hazard Overheated water can cause water tank explosion Properly sized Temperature Pressure Relief Valve must be installed in the opening provided Verify the power to the water heater is tur...

Страница 5: ...5 GENERAL SAFETY INFORMATION...

Страница 6: ...nderstand instruction manual Breathing Hazard Carbon Monoxide Gas Property Damage Hazard All water heaters eventually leak Do not install without adequate drainage CAUTION Fire and Explosion Hazard Le...

Страница 7: ...tally vented gas fueled heating appliance or equipment The sign should read in print size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS INSPECTION The s...

Страница 8: ...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 given to th...

Страница 9: ...8 1 2 22 15 3 4 40 1 2 41 6 3 8 5 1 2 6 5 8 cm 123 19 55 88 40 102 87 104 14 16 19 13 97 16 82 50 130 Inches 62 3 8 22 15 3 4 54 1 2 55 6 3 8 5 1 2 6 5 8 cm 165 7 55 88 40 138 43 139 7 16 19 13 97 16...

Страница 10: ...pressure must be maintained under both load and no load dynamic and static conditions Table 3 RECOVERY CAPACITIES Input Recovery Capacities Rating Btu hr Rating kW Temp Rise F 30 40 50 60 70 80 90 100...

Страница 11: ...at the bottom of heater behind the Access Doors 1 30 11 15 2 3 23 34 33 CAUTION HARNESS HAS 120 VAC IN OPERATION See Venting Installation and Condensate Piping for more information Figure 2 34 GALLON...

Страница 12: ...ation 50 GALLON UNIT FEATURES AND COMPONENTS CONT Figure 3 50 GALLON UNIT This is a view of the area at the bottom of heater behind the Access Doors 1 2 3 15 32 27 33 29 32 24 26 20 19 12 11 25 13 28...

Страница 13: ...ndensate Drain Outlet 13 Enable Disable Switch 14 Hot Water Outlet 15 Gas Supply 16 Main Manual Gas Shutoff Valve 17 Union 18 Inlet Water Shutoff Valve 19 Cold Water Inlet 20 T P Relief Valve 21 Ratin...

Страница 14: ...pressure switch that requires an increase in negative pressure to change the electrical contacts from normally closed to open The switch is connected to the pressure tap on the PVC pipe connected to...

Страница 15: ...ater heater close to a 120 VAC power supply See Power Supply on Page 18 for requirements 8 Locate the water heater where an adequate supply of fresh air for combustion and ventilation can be obtained...

Страница 16: ...ter heater Do not cover the outer door thermostat or temperature pressure relief valve Do not cover the instruction manual Keep it on the side of the water heater or nearby for future reference Doobta...

Страница 17: ...d at or above the input Btu hr rating of the water heater they supply 2 Supply gas regulators shall have inlet and outlet connections not less than the minimum supply gas line size for the water heate...

Страница 18: ...4 Water Temperature F C Time for 1st Degree Burn Less Severe Burns Time for Permanent Burns 2nd 3rd Degree Most Severe Burns 110 43 3 normal shower temp 116 46 7 pain threshold 116 46 7 35 minutes 45...

Страница 19: ...ed in the cold water supply line an expansion tank must be installed between the check valve and the water heater s cold water inlet Set storage tank temperature five degrees lower than the water heat...

Страница 20: ...ature Pressure Relief Valve on the water heater each remote storage tank that may be installed and piped to a water heating appliance must also have its own properly sized rated and approved Temperatu...

Страница 21: ...the building In cold climates it is recommended that the discharge pipe be terminated at an adequate drain inside the building Shall not have any valve or other obstruction between the temperature pr...

Страница 22: ...bustion air intake and the exhaust vent terminal Refer to Horizontal Vent Terminal Installation on Page 25 and Vertical Vent Terminal Installation on Page 26 GENERAL VENTING INSTRUCTIONS The following...

Страница 23: ...e personal injury death or substantial property damage Installations must comply with applicable national state and local codes For Canadian installation Polypropylene vent must be listed as a ULC S63...

Страница 24: ...000 ft 610 m to 7 700 ft 2 347 m IMPORTANT Do not use vent elbows in this vent pipe installation See Figure 12 90 Short Sweep Elbow 90 Long Sweep Elbow 45 Sweep Elbow Correct Fittings Incorrect Fittin...

Страница 25: ...hat it vents through the roof please refer to Vertical Vent Terminal Installation on Page 26 1 A f t e r t h e p o i n t s o f t e r m i n a t i o n h a v e b e e n determined see Vent Pipe Terminatio...

Страница 26: ...nings above anticipated snow levels FLAT ROOF INSTALLATION On flat roof installations the air intake and the exhaust vent terminations must be a minimum of 24 inches 60 cm above any parapet vertical w...

Страница 27: ...ir supply inlet into building or combustion air inlet to any other appliance 6 in 15 cm for appliances 10 000 Btuh 3 kW 12 in 30 cm for appliances 10 000 Btuh 3 kW and 100 000 Btuh 30 kW 36 in 91 cm f...

Страница 28: ...uations See the section on Direct Vent Air Intake Moisture Protection on page 25 Figure 24 SIDEWALL VENT INSTALLATION ALL MODELS See Note 3 See Note 3 Drain Pan Piped To Adequate Drain See Note 1 See...

Страница 29: ...t of a qualified installer or qualified service technician see Page 8 All precautions in the literature on tags and labels attached to the unit must be observed Follow all safety codes Wear safety gla...

Страница 30: ...ARIS UNITS 175 000 199 000 BTU HR MODELS When using two water heaters with inputs of 175 000 BTH HR or above install vent terminations using either Method A or Method B below Figure 33 When using thre...

Страница 31: ...pany will have to install a properly sized gas meter Make sure the gas supplied is the same type listed on the water heaters rating label The gas piping must be installed according to all local and st...

Страница 32: ...y of pipe in thousands of BTU per hour of undiluted liquefied petroleum gases at 11 inches water column pressure Based on a Pressure Drop of 0 5 Inch Water Column Additional tables are available in th...

Страница 33: ...ay coil to this circuit This will damage the CCB circuit board and is not covered under the limited warranty CONNECTING AN EXTERNAL SUPERVISORY CONTROL The enable disable circuit is accessed from the...

Страница 34: ...or state law requiring a certain temperature water at the hot water tap then you must take special precautions In addition to using the lowest possible temperature setting that satisfies your hot wat...

Страница 35: ...120 F Status Heating MENU HELP GAS OFF O N Figure 38 HIGH TEMPERATURE LIMIT CONTROL ECO This water heater is equipped with an ECO energy cut out non adjustable high temperature limit switch The ECO i...

Страница 36: ...ion of the various operational states The Desktop screen also displays animated Status Icons to convey operational information see Table 12 on Page 37 for descriptions of the Status Icons OVERVIEW The...

Страница 37: ...control system or when the Enable Disable switch located at the base of the water heater is in disable position The Combustion Blower is being energized The Spark Igniter is being energized See Spark...

Страница 38: ...ot reset the control system if the condition that caused the Fault has not been corrected Heating Disabled The heating is disabled by the Enable Disable switch located at the base of the water heater...

Страница 39: ...will be displayed Tank Temperature 71 F Operating Setpoint 120 F Status Standby HELP MANUFACTURER MODEL INFORMATION MENU The Main Menu is where all control system menus are listed see Table 14 on page...

Страница 40: ...fferential Adjustment on page 39 Temperatures HELP BACK Operating Setpoint 120 F Differential 8 F Tank Temperature 120 F Tank Probe Offset 0 F HEATER STATUS MENU DESCRIPTION ACTION DISPLAY Press Heate...

Страница 41: ...ersion Software version for user interface module Use External Enable Enables Disables the external enable circuit External Enable Status Displays whether or not the external enable circuit has been a...

Страница 42: ...last nine 9 Fault andAlert messages with a time stamp The newest event will replace the oldest Press the Fault to view details for each Fault or Alert message stored Fault History HELP BACK 1 Upper T...

Страница 43: ...to Yes and press ACCEPT to save the new setting NOTE The Access Code at the bottom of the Service Contact Information screen is for manufacturing engineering purposes only There are no user settings...

Страница 44: ...Sequence of Operation See the Sequence of Operation Flow Chart on page 49 Ensure the water heater is properly grounded Flame sensing requires an adequate earth ground If the water heater is not proper...

Страница 45: ...42 On the water heaters covered by this manual there are test ports for supply and manifold gas pressure readings on the gas control valve Using a small flat tip pocket screw driver open the needle v...

Страница 46: ...t a t s o m r e h t e h t t e S o t s e t u n i m 5 e v i f t i a W s a g y n a t u o r a e l c s a g l l e m s n e h t u o y f I n i B w o l l o F P O T S u o y f I l e b a l s i h t n o e v o b a n...

Страница 47: ...The display CCB and other electrical components will still be energized and the display will read Water Heating Disabled 3 Close Main Gas Shutoff Valve see Figure 37 on page 31 GAS INPUT RATE The gas...

Страница 48: ...represents some of the most critical installation requirements that when overlooked often result in operational problems down time and needless parts replacement This is not a complete list Before pe...

Страница 49: ...setting a heating cycle is activated Igniter is energized 24 V Gas Control Valve is energized gas flows to Main Burner 24 V Gas Control Valve de energized 24 V Gas Control Valve de energized Is flame...

Страница 50: ...e to have the complete water heater Model Number Serial Number and Series Number available This information can be found on the rating plate affixed to the water heater For more information or technic...

Страница 51: ...l continue to lock out DIAGNOSTIC CHECKS Turn off power to the water heater before performing any service Electrical Shock Hazard Label all wires prior to disconnecting when performing service Wiring...

Страница 52: ...continuity when the blower is off and closed shorted when the blower is on Replace the switch if necessary ADVANCED BACK 0 days 0 hrs 0 mins ago Error Code A7 1201 Blocked Air Intake Restriction in ai...

Страница 53: ...the valve being slightly opened Not shown in Figure 46 F The drain valve may be leaking at the tank fitting Not shown in Figure 46 G Leakage from recirculation plug or pipe connection Not shown in Fig...

Страница 54: ...n the hose clamp at the adaptor rubber boot and slide the plastic pipe out and away from the adaptor rubber boot See Figure 14 in Integrated Filter Installation Remove the adaptor rubber boot containi...

Страница 55: ...ter heater drain valve and terminate it to an adequate drain 7 Open the water heater drain valve and allow all the water to drain from the storage tank 8 Close the water heater drain valve when all wa...

Страница 56: ...CONTROL BOARD LAYOUT 11 12 1 J16 J5 J3 J13 J4 J17 J10 J9 J14 J15 J1 J6 J12 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 6 6 6 6 6 6 7 7 8 8...

Страница 57: ...iolet CCB J3 5V Data Data D gnd SDA data SCL data Write protect 5V Dgnd CCB J12 2 Red 3 Green 4 White Brown 5 White Blue 6 White Orange Key Gas Valve L1 Neutral Protective Earth MAIN INPUT 3 CIRCUIT B...

Страница 58: ...POWER WITH APPLIANCE AS THIS MAY CAUSE ELECTRICAL LINE NOISE AND LEAD TO ERRATIC CONTROL SYSTEM OPERATION Figure 50 CIRCULATING PUMP WIRING DIAGRAM DISHWASHER LOOP WITH TOGGLE SWITCH FIELD SUPPLIED TE...

Страница 59: ...s Mixing Valve Metal Drain Pan 6 15 2cm Air Gap Max Adequate Drain set to 120 F 48 8 C or lower Mixing Valve Figure 52 TYPICAL ONE TEMPERATURE SYSTEM PIPING INSTALLATION All Models Figure 53 SAMPLE MI...

Страница 60: ...ixing Valve Manual Shut Off Valve Typ Mixing Valve 180 F Max Figure 54 AIR HANDLER PIPING INSTALLATION All Models Figure 55 POLARIS WITH AUXILLARY STORAGE TANK One or Two Temperature System With or Wi...

Страница 61: ...61 NOTES...

Страница 62: ...62 NOTES...

Страница 63: ...For Tech Support please call PGC models 1 800 456 9805 SPC models 1 800 365 0024 BSS BTS models 1 800 527 1953 Copyright 2016 A O Smith Corporation All rights reserved...

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