Lochinvar 495, 065, 000 - 2 service manual Control BOX Connections

Page 51

51

 

 

 

BOARD

 

 

 

 

 

CONTROL BOX CONNECTIONS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONNECTEDUNLESS ALARMADDED

R

8

S1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PR/BK

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

WIRING BOX

5

PR

 

 

 

C

 

 

PR/BK

 

Y

1

COM

 

 

 

 

 

 

 

 

 

 

 

1

 

4

7

10

13

CONNECTOR

4

PR

 

 

 

 

PR

Y BL

 

 

BL

2

+24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

BR

 

1

4

 

 

 

 

BL/W

3

RST1

 

 

 

 

 

 

 

 

 

 

 

 

2

 

5

8

11

14

 

 

 

 

 

 

 

 

 

 

 

PR/BK

4

ALR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 BR

 

2 5

 

 

3 2 1

 

 

W

5

S2-

DISPLAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BK

6

S2+

 

 

 

 

 

 

 

 

 

 

3

 

6

9

12

15

 

 

 

 

3

PR/BK

 

3

6

SENSOR

 

3

2 1

 

 

R/BK

7

S2

 

 

 

 

 

OPTIONAL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P

10

P1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

PR/BK

 

 

 

CONNECTOR

 

 

 

 

 

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GY

11

IGN1

 

 

 

 

 

I/O RESET BOARD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GY

12

IGN1

 

 

 

 

 

BOILER ONLY

 

 

 

 

 

 

 

PR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R/

R/

 

 

 

 

 

 

 

 

 

 

BL/

 

 

 

 

 

 

 

PR

P

P

Y

 

 

 

 

 

 

 

 

 

PR/BK

 

BR

O

BR BR

Y BL

O/B T/W

T

PR

O

T

 

AC POWER

 

Y

 

BL

PR/

 

 

 

ELECTRONIC

 

 

 

 

 

BK

BK

 

 

 

 

 

 

 

 

 

 

 

BK

 

 

CONNECTOR A

 

 

 

 

 

 

 

 

 

 

 

PR/BK

 

2

3

11

1

6

9

5

4 8

12

10

7

8

14

13

15

 

 

 

 

 

PR/

 

 

 

CONTROLLER

 

 

 

 

CN3

 

1

2

 

3

4

 

Y

 

 

BK

BR

 

CN7

 

 

 

 

CN2

BR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BR

 

PUMP

CN7

 

 

1

INLET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BK

G

 

W

BK/

 

 

 

 

 

 

CN8

 

 

PROBE

BR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W

 

 

 

 

SHRINK

 

 

 

 

SENSOR

 

2

CN4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

 

3

4

 

 

 

 

TUBING

 

 

 

 

 

ON

ENABLE

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ALARM

 

FLAME FAIL

O

 

 

4

SHUTDOWN

 

DISABLE

 

R/BK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ENABLE RELAY ENABLE RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OPTIONAL

 

SHUTDOWN

 

CN5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GROUND

 

24VOPTIONAL 24V

BR

 

 

3

O.A.

 

 

PR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I/O RESET

 

 

 

W2

SYS/

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LINE

 

 

 

 

 

 

G

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TANK

PR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

CN6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NEUTRAL

 

 

 

 

 

 

 

 

 

 

 

 

O.A. MAX.

 

RATIO

W1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y

 

 

 

W3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CHASSIS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BK

 

 

CN1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GROUND

 

BL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CN9

 

 

 

 

 

Y

 

 

W

OPERATOR 2-STAGE THERMOSTAT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SHRIN

 

 

 

 

 

 

 

 

 

 

 

OPTIONAL

 

 

 

COMMON Y

 

 

24VACXFMR.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RUNTIME

 

 

P

24V

 

 

120V

 

 

 

 

 

 

 

 

 

 

 

 

K

 

 

 

 

 

 

 

 

 

 

 

CONTACTS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TUBIN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G

 

 

 

 

 

 

 

 

BL/

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-24V COM

 

 

 

 

 

 

 

 

 

 

PR

W

 

BKBK

 

 

 

OPTIONAL

 

 

 

BL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24V

 

 

 

 

 

 

 

 

 

 

 

3

 

1

 

 

P

P

 

 

P

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

5

4

 

 

P

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOT USED

5

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y

9

 

7

 

 

 

 

 

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STG #1

 

 

 

 

 

 

 

 

 

 

Y

4

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F

 

TO

 

 

R

Y

3

3

 

 

 

 

 

 

Y

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOT

R

2

2

 

R

 

 

 

 

9

 

7

 

F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LWCO

 

USED

 

 

 

 

 

 

 

 

 

BL

TH

 

 

 

 

 

 

R/BK

 

 

 

 

 

 

 

 

 

 

 

R

1

1

 

 

 

 

 

PR

6

 

6

5

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RUNTIME

 

 

 

 

 

 

 

 

 

 

3

 

1

 

 

 

 

 

R/BK

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

MONITORING RELAY

 

RESET

PR

 

 

 

 

 

 

 

4

TO

 

 

 

 

 

 

 

R/BK

 

 

 

 

 

 

 

 

 

 

 

 

24V

 

 

 

 

 

 

 

 

 

5

 

BL/

 

-

+

F1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y

 

 

 

 

 

 

 

BK

LWCO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O

 

 

GY

 

 

 

BK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5 S1

F2

 

 

C

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GY

-

BK/W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PR RESET

 

24 VAC

 

J1

 

 

 

BL

 

LINE

4

BK

 

BK/W

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W

C

NO NC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PR

1

 

LWCO

 

 

 

 

 

 

 

 

3

 

BK

+

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FLAME

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P

 

2

 

 

 

 

 

 

 

 

 

 

NEU

2

W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O.C.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

J2

 

 

 

 

 

 

 

 

GY

1

S2/FS

 

 

FAIL

 

BK/W

BK

 

 

 

 

 

 

 

 

 

GY

G

GY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R/BK Y

R

O

 

T

W R BK

 

 

 

 

 

GND

 

 

 

 

 

 

 

 

 

 

 

GY

 

 

 

 

RESET #2

 

FULL-FIRE/

 

 

 

 

 

 

 

 

 

 

 

BL/

 

 

 

 

 

 

 

 

 

 

 

 

 

BLOWER RELAY

2 3

1

4

 

6

7

8

9

 

3

2

1

T

 

 

 

 

J4

O

BK BL

 

 

 

 

 

 

 

O

10

TH

 

 

 

 

 

 

 

 

 

 

 

 

 

PR

 

 

 

 

 

 

 

 

 

BL/W

 

 

SOCKET TOP VIEW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

5

6

 

 

 

 

 

 

 

P

9

PI

 

BL

 

 

 

 

 

 

 

 

 

IGNITER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y

8

24COM

BL/W

 

 

 

 

 

1

4

7

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

 

 

 

 

 

 

 

 

 

BL

 

 

 

 

 

 

 

 

 

 

 

 

CONNECTOR

 

 

 

 

 

 

 

J3

 

 

 

 

 

 

BL/W

7

RESET

 

 

 

BL

 

 

 

2

5

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BL

6

24VAC

 

 

 

 

 

 

 

 

 

 

 

 

E

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y

 

 

 

 

 

 

 

 

 

R

5

MV

 

 

 

 

 

 

 

3

6

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T/W

4

PS

IGNITION

CIRCUIT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M/S

BREAKER

 

 

 

MAIN UNIT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MODULE

 

 

 

 

 

D

 

 

 

 

 

 

 

 

 

 

CHASSIS GROUND

 

 

 

 

 

 

 

 

 

PR/BK

1

FF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T

 

 

 

 

 

 

 

 

 

 

 

CONNECTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONNECTION DIAGRAM A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TO TEST SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LBL20015 REV A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MODELS 985,000 -

WIRING DIAGRAM

2,065,000 BTU/HR

- CONTROL BOX CONNECTIONS

Image 51
Contents Save this manual for future reference Domestic Water HeatersHydronic Heating Boilers and Domestic Water Heaters General Product Information Safety InformationHydronic Heating Boilers and Domestic Water Heaters Front and Rear View Product IdentificationInstallation Clearances from Combustible ConstructionBase for Combustible Floors Pump Operation Outdoor Boiler InstallationHydronic System Antifreeze Shut-Down and DrainingInstalling Combustion Air Filter Freeze Protection for a Heating Boiler System if requiredCombustion Air Filter One Opening Combustion Air OptionsVenting Support Installation VentingGeneral Information Exhaust FansTABLE-A TABLE-C Vent System OptionsTable B Flue Pipe SizesCommon Venting Systems Conventional Negative Draft VentingNegative Draft Flue Outlet PipingMasonry Chimney Installations Outdoor Installation VentingOutdoor Vent Kit Table DOutdoor Vent Kits Outdoor Vent/Air Inlet LocationGas Pressure Test Gas PipingInput Max Min Gas Train and Controls Connecting Gas Piping to UnitCombination Gas Valves Checking Gas Supply PressureVenting of Combination Gas Valves Measuring Gas Supply Pressure at Combination Gas Valve Gas Manifold Pressure AdjustmentRegulator Pressure Less Front Chamber Pressure NET Manifold PressureIf Equipped Water Flow SwitchLow Water Cutoff Relief ValveTerminal Strip Connection Options Table JNominal AMP Draw Data General Plumbing Rules Water Connections Heating Boilers OnlyPrimary/Secondary Boiler Piping Low Temperature Return Water Systems Radiant Floor and Snow Melt Heating SystemsInput LTV Valve Kit Btu/hr 10ºF 20ºF 30ºF 40ºF 50ºF 60ºF Installation with a Chilled Water SystemSystem Temperature Rise Chart Based on Btu/hr Input Table LFilling the System Temperature/Pressure GaugeBoiler Flow Rate Boiler Bypass RequirementsLighting Instructions OperationTo Turn Off Gas To Appliance Locating Temperature ControlMaximum Set Point Determination Temperature Control SettingsTable M Set PointOutdoor Air Max O.A. Max Outdoor Air Reset OptionHigh-Fire Offset ShutdownWater Heater Application Temperature Control SensorsPlacement of Sensors Boiler ApplicationTable N Remote Wire ConnectionWire Maximum Gauge Hot Surface Igniter and Ignition Control ModuleIgnition Module Lockout Functions Diagnostic Status IndicationHot Surface Ignition Control Module Ignition and Control TimingsStatus LED Diagnostic Codes Table OTable P Water Velocity Control Required Temperature RiseTemperature Rise Chart Domestic Water HeatersTable R Pipe Sizing ChartWater Chemistry Circulating PumpMinimum Pump Performance Potable Hot Water Temperature Control SettingsDomestic Water Temperatures Domestic WaterThermal Expansion High Water Temperature Limit ControlLocation of Cold Water Supply Piping Connections Optional Relief ValveFlue Gas Passageways Cleaning Procedures Cleaning MaintenanceHeat Exchanger Cleaning ElectricalCombustion and Ventilation Air Cleaning and Maintenance Set Up ProcedureAdjustment Procedure 495,000 1,255,000 Btu/hr Models Servicing Hot Surface Igniter and Ignition Module Ignition System Checkout Sequence of OperationSafety Device Terminals Power SupplyON/OFF Rocker Switch Manual Reset High-Limit ThermostatElectronic Temperature Controller Ignition ModuleHeat Transfer Process Gas Valves, Burner BTU/HR Schematic DiagramHI-LIMITS PWR SW Main Unit GAS Valves Blower Pressure Switch 15AMPS Wiring DiagramControl BOX Connections Control BOX Connections

000 - 2, 065, 495 specifications

Lochinvar 000 - 2,495,065 is a cutting-edge water heating solution designed to meet the needs of modern residential and commercial applications. This high-efficiency unit combines advanced engineering with robust technologies, providing unmatched performance and reliability.

One of the standout features of the Lochinvar 000 - 2,495,065 is its high thermal efficiency, which often exceeds 95%. Utilizing condensing technology, the unit harnesses heat from exhaust gases, allowing it to recover otherwise lost energy, thereby reducing operational costs significantly. This efficiency not only lowers energy bills for users but also lessens the environmental impact by minimizing greenhouse gas emissions.

The Lochinvar 000 - 2,495,065 is equipped with a lightweight stainless steel heat exchanger. This construction ensures exceptional corrosion resistance and longevity, extending the lifespan of the unit while maintaining optimal performance. The stainless steel design also contributes to faster heating times, making it ideal for high-demand environments.

In terms of control technologies, the Lochinvar 000 - 2,495,065 features an intuitive touchscreen interface. This user-friendly design allows for seamless operation, real-time monitoring, and easy adjustments to temperature settings. Additionally, it facilitates remote diagnostics, promoting efficient maintenance and reducing downtime, which is crucial for busy facilities.

For enhanced safety, the Lochinvar 000 - 2,495,065 includes multiple safety mechanisms, such as over-temperature protection, flame safeguard, and leak detection systems. These safety features ensure secure operation and give users peace of mind.

Moreover, the unit is compatible with various fuel sources, including natural gas and propane, making it versatile and adaptable to different infrastructure requirements. This flexibility ensures that the Lochinvar 000 - 2,495,065 can be integrated into various settings, from residential homes to large commercial buildings.

Another significant characteristic is its compact design, allowing for easy installation in tight spaces. The footprint of the Lochinvar 000 - 2,495,065 makes it an ideal solution for applications where space is at a premium, without compromising on performance.

In summary, Lochinvar 000 - 2,495,065 represents a premium choice for water heating solutions, merging advanced technologies, high efficiency, and user-friendly design to cater to a wide range of heating needs while ensuring safety and sustainability.