Lochinvar 000 through 2, 1 warranty Wiring Diagram

Page 79

Wiring Diagram (continued)

1,500,000 - 1,300,000 - 2,000,000 Btu/hr Models

WARNING:To avoid possible shock hazard, disconnect power before servicing. GY HOT

	BK
	W
	Y
	BL
	BR			Y
	LOUVER			Y
	LOUVER			COM
	RELAY			COM
	RELAY
	GY
	GY	FC-FC+
	GY	5
	BK	S1	ENI
	BK	4	ENI
		L1	L
		L1

R	BR	BR
R	BR
	NO	BK	LOUVER
		BK	LOUVER
		STD.	RELAY
		BK	CONTACTS
	IGNITION
	MODULE

F2 F1

BR

BL

	SURFACE	GY
	IGNITER	GY
	IGNITER	W
	GY	GY
	COMMUNICATION
BL	CABLE #1	O
BL		O
24 VAC
Y

	LAR
2	TU
L2	EN
1
S2/FS

11	N/A
10	TH
9	PI
8	LV2

-

+

STATUS

LED

Y

BL/BK

J3

3 2 1

O/BK

P

U

FLOW
SWITCH
C	NO	O
C	O	O
	NC
	PU

	OPTIONAL
	Low	High	O
	Gas	Gas	O
	Gas	Gas
		NC	O
	NO O/ C		O
	C
	BK	NO
	NC	NO
	NC
	PU		PU

AIR		Blocked		Louver		BL
SWITCH		Blocked		Louver
SWITCH		Drain	Proving Sw			T
	NO	NO		C	NO
		C		C
C		C	W	BR
C	T	BK			NC
O		NC			NC
	NC	NC		OPTIONAL
		R		OPTIONAL
		R				PU
		TOGGLE				PU
		TOGGLE		MANUAL
		SWITCH		OVERRIDE
	PU					PU
				C	1	2
				Y

7		RESET
6		LV1	R
5		MV	R
4		PS
3		FF
2		M/S
1		FF
W R BK			WBK R
W R BK
1	2	3	4	3	2
1	2	3
1	2	3	BYPASS
W			VALVE
W

	BL
	IGNITION
	RESET
R	24VAC GAS
	24VAC GAS
	VALVE
R	Y

R	GAS VALVE RELAY

OR AT OPEN

BL

W/BK

Y

R	R	Y
R		OPTIONAL

3J
	51
	41
UOT	31
mV/a	21
	11
mV/a	01
MH	9
O

COMMUNICATION

CABLE #1

	COMMUNICATION
	CABLE #2
	INPUTS
	1	PU
	1	PU
	1
	2	PU
	3	PU
	4	PU
	5	Y
	5

PU	50 Hz Limit
PU	Resistor
Y	1.2K Ohm
Y	P
	OPTIONAL
TO VFD	TO VFD
TERMINAL	TERMINAL
NUMBER 14	NUMBER 15
OPTIONAL 50 Hz LIMIT RESISTOR

CONTROL PANEL COMMUNICATION CABLE CONNECTION

COM

BK

COM

BK

	NO	VENT VALVE
	NO	BK	W
		BK	W
		EXT. GAS VALVE

	120VAC GAS
	NO	VALVE
	NO	W
	BK	W
		Y

	8			3
M				3						BYPASS SENSOR
M	7
HO		BYPASS		2		1	2
HO				2
MOH	6			1			1		1
MOH	6	SENSOR		1			1
						OA
	5					OA
	5					SENSOR
M						SENSOR
M	4	1			1			1
HO	4	1	2		1	2		1	2
			2			2			2
	3		1			1			1	OUTLET SENSOR
	2	ENABLE			INLET					OUTLET SENSOR
	2	ENABLE			INLET			OUTLET
ND	1	SWITCH			SENSOR			SENSOR
G		G	BK		BK
		G	BK		BK
	CHASSIS						RUN/STOP SWITCH
	GROUND

2	2	OA SENSOR

1	1	OPTIONAL

2	2	INLET SENSOR

1	1

COMMUNICATION CABLE #3

REAR COMMUNICATION CABLE CONNECTION

NOTE: DO NOT DISCONNECT

CABLE FROM BLOWER.

T

IO

N

A

T

O

M

R

T

O

R

A

T

O

I

N

BLOWER

ASSEMBLY

Y

Y

UVERS

COMMON

CLOSED INPUT

OPEN INPUT

LOUVER

CONTACTS

	EXT. GAS		INLET
			SENSOR
		VALVE
			2	1
	1	BK

2120VAC

3OUT

4

W

BLOCKED
DRAIN
1	2	3
T PU BR
NMO MCO	KEDBLOC	PENO

NOTES:

(1)WARNING: To avoid possible shock hazard, disconnect power before servicing.

(2)Where possible, switches and circuitry are shown in power off state.

(3)When replacing wiring, use wire of equal or higher temperature and gage.

(4)Schematic shows electrical connections only. Please refer to wiring diagram in owner's manual for routing and pin-outs for all connector blocks.

(5)Pump delay is standard on water heaters.

LBL90002 REV A

79

Image 79

Contents Special Instructions To Owner WarrantyIFB/IFW-i&s-05 Table of Contents Owner Warning Checking EquipmentDo not What to do if YOU Smell GASClearances from Combustible Construction Installation Procedure Location of UnitRecommended Service Clearances Table aCombustion Air Direct from Outside 500 in2 3226 cm2 667 in2 4303 cm2 000 in2 12,903 cm2 Table BMinimum Recommended Combustion AIR Supply to Mechanical RoomConstruction Air Filter Construction AIR FilterCategory IV Flue Pipe Sizes Construction AIR Filter Kits Table CVenting Table DVenting Guidelines for a Category IV Vent Category IV Positive Pressure Venting SystemCategory IV Venting Category IV Flue Pipe MaterialsGeneral Category IV Vent Termination Clearances Drain Tee InstallationExceed a maximum of 100 equivalent feet 30.5 m in length Vertical Venting Terminations Masonry Chimney InstallationsSidewall Vent Sidewall Venting TerminationsTable E Sidewall Vent Cap KitsDirect Vent INTELLI-VENT Systems Location of a Sidewall Vent TerminationLength of Air Inlet Pipe Table FDirect Vent and Intelli-Vent Flue Air Inlet Pipe Sizes Air InletCombined Combustion Air Inlet Points Vertical Direct Vent SystemsHorizontal Direct Vent Multiple Vertical Direct Vent InstallationsTable G Sidewall Combustion AIR InletLocation of a Sidewall Air Inlet Cap These are Multiple Horizontal Direct Vent InstallationsAir Inlet Sidewall Input Flue Pipe Btu/hr Size Table HCombined Air Inlet Points Maximum Length of an Intelli-Vent System500,000 SVK3026 Horizontal INTELLI-VENT with Vertical Combustion AIRAir Inlet Sidewall Input Flue Pipe Btu/hr Size Cap KitLocation of a Rooftop Air Inlet Cap Vertical Combustion Horizontal INTELLI-VENT AIR InletTable J Table L GAS Supply GAS Pressure TestTable K GAS ConnectionTable N Recommended Gas Pipe Size Single Appliance InstallationsMultiple Appliance Installations Gas Pipe Size Chart Table MChecking GAS Supply Pressure GAS Manifold Pressure AdjustmentInstall Piping to Control GAS PipingChecking Manifold GAS Pressure Water Connections Water ConnectionsInlet and Outlet Connections Secondary Heat Exchanger Primary Heat ExchangerMinimum Pipe Size Requirements Bypass Valve Synchronization Integral BypassBypass Initial Set-up of Maximum Water Flow Bypass Piping AssemblyIntegral Circulator Optional Intermittent Pump OperationBypass Operation Minimum Water TemperaturesBtu/hr Input Temperature Rise Table PGAS Train and Controls Water Flow SwitchTable Q LOW Water CutoffDiaphragm GAS Valve Ratio GAS Valve Relief ValveElectrical Connections Jacket AssemblyFront Control Panel Locations Access to Components and ControlsTransformer and Relay Locations Variable Frequency DriveLOW AIR Pressure Switch High GAS Pressure Switch LOW GAS Pressure Switch OptionalExcel Be used as a diagnostic indicator To Activate the Manual Override Temperature AdjustmentDefault Values Pre-programmed in the Excel Table SAccessing the SIX Changeable Points from Command Display Password FunctionConfiguring Command Display Table T Display Default ValuesSequencing Type Calculated Set PointTotal Run Time Set Point TempCommand Display Data Screen Hot Surface Igniter On Status PointsTable U Status Point Operational ModesOptional on Heating Boilers Only Outdoor Reset Function SelectionsEfficiency Optimized with Time Equalization Multiple Appliance InstallationsInterfacing Multiple Appliances Singly Terminated FTT Network Bus Topology SpecificationsTable W Additional Components Used to Interface Multiple Appliances Wire Termination for E-Bus ConnectionTypical Building Management System Diagram High Water Temperature Limit ControlHOT Surface Ignition System Service PartsIgnition Module Lockout Functions Table Z Diagnostic Status IndicationTable Y Ignition and Control TimingsTable AA OPERATION/DIAGNOSTIC LIGHTS, Resets and SwitchesIndicator BurnerCombustion Air Blower and Transition Chamber Combustion AIR BlowerCondensate Drain Location On Rear Condensate ManagementSystem Optional Table BBCondensate Trap Installation Condensate TestingReplenishing the Neutralizer Lighting Instructions Install Condensate TrapIgnition System Checkout To Turn OFF GAS to ApplianceHeat Transfer Process Sequence of OperationEnd of Sequence MaintenanceBurner Maintenance Burner Removal and CleaningLocation of Primary Heat Exchanger Burner Cleaning ProcedureSecondary Heat Exchanger Inspection Lubrication Freeze Protection Water Connections Heating Boilers only Heating Boiler InstallationsFreeze Protection for a Heating Boiler System If Required Water TreatmentCirculator Pump Operation Primary Loop Circulator Pump SpecificationsPiping Lengths Boiler Circulator Pump LimitationsPRIMARY/SECONDARY Boiler Piping Minimum Boiler Water TemperaturesBtu/hr Input Maximum Flow Boiler Temperature Rise Chart Table DDTable CC Maximum Flow for Heating BoilerTypical Heating Boiler Installations TEMPERATURE/PRESSURE GaugePlacing the Boiler Operation Boiler Operating Temperature Control Installation with a Chilled Water SystemBoiler Operation Typical Water Heater Piping with Storage Tank Water Velocity ControlTable FF Table EEMaximum Flow Rate Btu/hr Input Water Chemistry Single Water Heater Piping with Two Storage Tanks Piping Multiple Unit InstallationsCommon Manifold Table GGPump Operation Heat ExchangerTable HH Thermostat SettingsThermal Expansion Optional Relief ValveCathodic Protection Ladder Diagram PWM Wiring Diagram

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000, 000 through 2, 1 specifications

Lochinvar 1 is a remarkable achievement in the realm of modern technology and engineering. As a powerful and efficient water heater, it has been designed to cater to a wide range of residential and commercial needs. One of the standout features of Lochinvar 1 is its advanced heating technology, which incorporates a high-efficiency condensing design. This technology allows the unit to achieve impressive energy savings by maximizing heat transfer while minimizing energy consumption.

The Lochinvar 1 utilizes a stainless steel heat exchanger that enhances durability and corrosion resistance. This not only extends the lifespan of the unit but also ensures consistent performance over time. Coupled with a user-friendly control system, users can easily adjust settings and monitor performance, enhancing overall convenience and usability.

Another key characteristic of the Lochinvar 1 is its compact design, making it suitable for a variety of installation environments. Whether in a residential basement or a commercial utility room, the unit’s space-saving configuration allows for efficient use of available area without compromising on capability.

Safety features are integral to the Lochinvar 1, providing peace of mind for users. The unit is equipped with advanced monitoring systems that can detect irregularities and automatically shut down the system if necessary. This not only protects the equipment but also enhances the safety of the environment in which it operates.

In terms of performance, Lochinvar 1 boasts a high recovery rate, ensuring hot water is available on demand. This is particularly beneficial for settings with high water usage, allowing simultaneous operations without lag.

Moreover, the unit supports various venting options, offering flexibility during installation. Whether using traditional vertical venting or innovations like direct venting, Lochinvar 1 accommodates different building designs and local codes, making it highly versatile.

In conclusion, Lochinvar 1 epitomizes the melding of efficiency, reliability, and user-friendly technology. With its high-performance features, robust safety systems, and adaptable installation options, it stands out as a forefront player in the water heating industry, meeting the diverse needs of today's consumers and businesses alike.