Lochinvar 999 - 750, CF-CH(E)-i&s-08, 399 service manual Models Wiring Diagram

Page 69

CONTROL BOX CONNECTIONS

WIRING BOX

B

-

+

F1

F

CONNECTOR

SENSOR

C

BK

R/W

BR/W

5

GY

S1

F2

BK/

R

T

AC POWER

A

CONNECTOR

W

TO

1

4

7

10

13

BK

4

LINE

-

W

O/

T

PR/BK

3

LWCO

B

2

5

8

11

14

CONNECTOR

BR/W

GY

NEU

+

BK

K

R/

3

6

9

12

15

PR

W

2

3

1

1

2

3

4

BR

4

5

6

GY

1

S2/FS

PR 6

BK

BK

5

4

BR

BL/

1

2

3

Y

BL

P

ELECTRONIC

W

W

9

7

BK

BK

G

W

BK/

GY

11

Y

R/O

PR

O/

P

W

CONTROLLER

O

10

TH

BL/

BK

1

2

3

4

P

9

PI

BK

5

4 2 6

1 3 9 8 7

12 1115

14 13 10

BL

Y

8

24COM

BL

PR

R/W R/W O/W O/BK R/BK R/BK O

TH1

BL/W

7

RESET

O/BK

BR

BL

T

4

PS

BL

6

24VAC

LIMITS

R

5

MV

24

23

22

21

20

19

18

17

16

15

14

13

3

IGNITION

LINE

G

M/S

MODULE

T

2

Y n/a

n/a

W BR PR BR/W PR/

BK T

R/O

R

Y

PR/

1

FF

#1

12

9

8

7

6

5

4

3

2

1

BK

NEUTRAL

T

ALARM

W

W

BK

-24V COM

DISPLAY BOARD

24V

GROUND

120V

IGN1 12

GY

G

GY/W

IGN2

1

IGN1 11

GY

STG #1

IGN2

2

GY/W

10

P

STG BK

BK

3

P1 9

R

P2

4

P

S1 8

R

TH2

9

8

#2

/W

1

4

7

RUNTIME STG 1

CHASSIS

24VAC XFMR.

S4

6

R/W

S2+

6

BK

R/BK

S3

5

R/O

S2

7

R/BK

FF

R/BK

RELAYBOARD

BK

R

5

5

24V Y

STG #3

STG

1

R/W

7

S2- 5

W

7

G

2

8

GROUND

S2+

8

BK

ALR 4

PR/BK

6

G

Y

S2-

9

W

RST1 3

BL/W

5

G

3

6

9

P

RST2 10

+24 2

BL

4

Y

R

24V

BL

COM 1

Y

2

R/O

P

3

R/W

/W

#4

4

4

COMMON

Y

BL

MODELS	WIRING DIAGRAM
	A990,000

69

PR	Y	BL	BK	UNLESS
PR	Y	BL	PR/
			PR/ BK
3	2	1		CONNECTED
3	2	1		CONNECTED
			PR/
			BK
PR Y P		P	Y
PR Y P		BL	PR/
			BK
Y
			SHRINK
ALARM			TUBING
ALARM		FLAME FAIL

ENABLE RELAYENABLE RELAY

24V24V

OPTIONAL

-

BK

Y

3

3

+

F1

R

2

2

BR/

T

T

5 S1

R

1

1

W

GY/W

F2

BK/W

P

BK

4 LINE

-

W

P OPTIONAL

Y

9

7

BL

ADDED

T/W T/W

GY/W

3

S2/FS

+

BK

RUNTIME

6

5

4

BK

2

5

1

24V

O

3

6

Y

W

2

NEU

Y

MONITORING

3

1

ALARM

RELAYS

PR

BL/

1

4

O/W

10

TH

RUNTIME STG 3

J1

1

4

GY/

GY/

11

W

W

RESET

P

9

PI

P

RESET

24 VAC

2

5

Y

8

24COM

15

Y

LWCO

PR

3

6

7

RESET

1

BL

6

24VAC

PR

2

O.C.

T/W

R/O

5

MV

T BR/

BR

T/W

4

PS

14

11

13

PR

3

J2

PR

T

IGNITION

R/W

PR

GND

W

Y

BR

3

8 6

1

5

4

9

7 2

12

10

G

2

M/S

MODULE

PR/

1

FF

#2

R/BK

BL/

BK

O/W

J4

O BK BL

Y

T

W

4

5

GY

GY

6

PRESSURE

GY/

GY/

1

2

3

J 3

W

R

1 4

7 10 13 W

W

3 2 1

SWITCH

G

3

R

PR

T

PROVING

6

5

4

2

5

8

11

14

R

O

Y

RELAY 24V

3

6

9

12

15

BK

CHASSIS GROUND

G

R/O

BK

OPTIONAL

E

IGNITER

D

MAIN UNIT

CONNECTOR

CONNECTOR

BL

CIRCUIT

BREAKER

F

TO

LWCO

BL

TEST

T T

Installation Service

CONNECTION DIAGRAM A

LBL20013 REV A

NOTES:

1.MATERIAL: PRESSURE SENSITIVE WHITE NYLON WITH BLACK LETTERING,ADHESIVE GOOD FOR 175°F, NON-WATER SOLUBLE.

2.BACKING: 11.00" H X 17.00" W

and Manual

Image 69

Contents Domestic Water Heaters Hydronic Heating Boilers and Domestic Water Heaters Unpacking General Product InformationSafety Information Installation Clearances from Combustible Construction InstallationLocation Outdoor Boiler InstallationFreeze Protection Pump OperationFreeze Protection for a Heating Boiler System if required Shut-Down and DrainingCombustion and Ventilation AIR Combustion Air FilterOutside Combustion Air, No Ducts Combustion Air OptionsCombustion Air from Interior Space Exhaust Fans VentingGeneral Information Vertical Vent Termination Clearances and LocationChimney Sidewall Vent Termination Clearances and LocationCombustion Air Inlet Piping Length of Air Inlet PipeSidewall Air Inlet Clearances Vertical Rooftop Air InletVent System Options Combined Air Inlet PointsBarometric Damper Location Conventional Negative Draft Venting Negative DraftFlue Outlet Piping Vertical Vent Termination Clearances and Location Vertical DirectAire VentingVenting of Flue Products Installation Vent KitsSidewall Fan Sidewall VentingSidewall Venting Termination Sidewall Venting Without FanVenting Guidelines Horizontal DirectAire Venting Masonry Chimney InstallationDirect Venting Vent KitsVertical DV Venting Termination Horizontal DV Venting Termination Connecting the Air Inlet Pipe to the UnitFlue Pipe Materials Combustion Air Inlet PipingSealing PVC, CPVC, ABS, Dryer Vent, and Flex Duct Vent Pipe Air Inlet Piping MaterialsMaximum Outdoor Installation VentingOutdoor Vent Cap Kit Outdoor Vent/Air Inlet LocationConnecting Gas Piping to Unit Connecting to GAS SupplyGas Piping Gas Pressure TestTABLE-J Gas Train and ControlsBtu/hr Distance From Meter in feet Input 51-100 101-200 201-300 301-500Combination Gas Valves Checking Gas Supply PressureVenting of Combination Gas Valves Gas Manifold Pressure Adjustment Multiple Unit Installations Gas Supply Pipe SizingTable L Connecting to Water Supply Water Flow Switch Relief ValveLow Water Cutoff General Plumbing Rules Water Connections Heating Boilers OnlyCirculator Pump Requirements Circulator Pump Specifications Heat Exchanger Pressure Drop ChartPump Installation and Maintenance Primary/Secondary Boiler PipingLow Temperature Return Water Systems Table O LTV Valve KitsInput LTV Valve Kit Btu/hr 10ºF 20ºF 30ºF 40ºF Radiant Floor and Snow Melt Heating SystemsBoiler Flow Rate Temperature/Pressure GaugePlacing the Boiler in Operation Boiler Bypass RequirementsBoiler Operating Temperature Control Installation with a Chilled Water SystemTerminal Strip Connection Options Water TreatmentRemote ON/OFF Boiler or Water Heater For Your Safety Read Before OperatingOperation Quick Programming Overview Power UpTo Turn Off Gas To Appliance Standard Btu/hr ModelsAdjust Menu Settings for Operating Modes Adjust Menu Setting DescriptionsTABLE-Q TABLE-RIgnition Systems and Stages Operating ModesProgramming Buttons Access Levels Temperature ControlPlacement of Sensors Graphic Symbols Programming For Mode 1, Boiler OperationStaging Logic Programming For Mode 3, Sequenced Operation Programming For Mode 2, Water Heating OperationRemote Mounting of Sensors TABLE-SHOT Surface Ignition System Error and Warning MessagesHot Surface Igniter and Ignition Control Module Hot Surface Ignition Control ModuleAccess to Internal Control Panel Diagnostic Status IndicationIgnition Control Diagnostic Codes Removing the Control PanelStatus LED Diagnostic Codes Operation and Diagnostic LightsIgnition and Control Timings Hot Surface Ignition Module Timings NominalTemperature Rise Chart Required Temperature RiseWater Velocity Control Water ChemistryCirculating Pump Pipe Size RequirementsTABLE-X 399,999 750,000 Btu/hr ModelsMinimum Pump Performance Potable Hot Water Temperature Control SettingsHeat Exchanger TABLE-YOptional Relief Valve High Water Temperature Limit ControlThermal Expansion Location of Cold Water Supply Piping ConnectionsBurner Removal and Cleaning Flue Gas Passageways Cleaning ProceduresAppliance Area Water Circulating PumpHeat Exchanger Cleaning ElectricalCombustion and Ventilation Air Adjusting Differential Air Pressure Set Up ProcedureAdjustment Procedure Ignition System Checkout Servicing Hot Surface Igniter and Ignition ModuleSequence of Operation Ignition Troubleshooting Guide 990,000 2,070,000 Btu/hr Models Domestic Water Heaters Hydronic Heating Boilers Ladder Diagram 399,999 750,000 BTU/HR Models Hydronic Heating Boilers and Domestic Water Heaters Installation Ladder Diagram 990,000 2,070,000 BTU/HR Models Models Wiring Diagram Hydronic Heating Boilers and Domestic Water Heaters BTU/HR Models

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Manual 76 pages 58.86 Kb

399, CF-CH(E)-i&s-08, 999 - 750 specifications

Lochinvar 999 - 750, CF-CH(E)-i&s-08,399 is a cutting-edge boiler designed for commercial heating applications. With its robust construction and high efficiency, this model stands out in the crowded market of heating solutions.

One of the main features of the Lochinvar 999 - 750 is its exceptional thermal efficiency rating. The unit incorporates advanced condensing technology that allows it to recover heat from flue gases, which helps in achieving efficiency levels of up to 99%. This efficiency not only reduces energy consumption but also lowers operational costs, making it an excellent investment for businesses looking to minimize their carbon footprint.

The boiler is designed to provide a powerful output of 750 kW, ensuring it meets the heating demands of larger buildings or commercial spaces. Its capacity makes it suitable for a range of applications including schools, hospitals, and industrial facilities. Moreover, the unit features a built-in cascading system that enables multiple boilers to be connected, enhancing system reliability and flexibility.

In terms of technology, the Lochinvar 999 - 750 is equipped with a user-friendly touchscreen interface. This innovative control system allows operators to monitor and adjust settings with ease, providing real-time performance data and alerts for maintenance needs. The intelligent controls optimize operation to match the heating load, further enhancing energy efficiency.

Safety is a top priority with this model. It is built with multiple safety features such as automatic shut-off valves, pressure relief valves, and flame monitoring systems, ensuring safe operation under various conditions. The unit also adheres to stringent industry standards and regulations, making it a reliable choice for commercial applications.

Furthermore, the Lochinvar 999 - 750 is designed with serviceability in mind. Its compact footprint and accessible components simplify maintenance, reducing downtime and associated costs. The unit also supports a variety of fuel sources, including natural gas, propane, and biodiesel, providing flexibility to meet different facility requirements.

In summary, the Lochinvar 999 - 750, CF-CH(E)-i&s-08,399 represents a blend of efficiency, reliability, and safety in commercial heating. Its advanced technologies and thoughtful design make it a powerful solution for various heating needs, making it an ideal choice for businesses aiming for excellence in energy management and operational efficiency.