Lochinvar 1, 000 through 2 warranty Pwm

Page 78

Wiring Diagram

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

 

UNIT POWER

 

 

 

 

120VAC

 

 

 

 

15AMP

CHASSIS

 

 

G

W BK

GROUND

 

 

 

 

 

 

 

POWER SWITCH

 

 

 

W

 

 

 

CIRCUITSAMP

CIRCUITAMP 30

2

N

7

 

 

 

BK/W

BK

NO

3

C

 

VFD POWER RELAY

W

 

R

BK

 

COM

NO

BK/W

BK

 

15TWO

ONEOR

 

 

 

 

 

 

BL

 

 

 

 

BK

W

 

 

BL

 

 

BR

 

 

GY

 

 

GY

 

 

 

120

 

FAN

BK VAC W

 

 

 

CIRCUIT

 

BREAKER

 

BL

BL

Y

 

24 VAC

 

 

LOW VOLTAGE

 

TRANSFORMER

BL

 

 

COMMAND DISPLAY

 

EBUS

 

EBUS

 

EARTH 24VAC 24VAC

 

G

Y

Back

Select

BL

 

 

 

OVER TEMP

 

 

 

INDICATOR

Y

 

COM

NC

R

 

 

 

 

 

 

BL

 

 

 

PUMP

COM

NC

PU

POWER

Y

 

 

 

 

120VAC

 

 

 

 

 

BL/

 

15AMP

Y

R

 

BK

 

 

 

 

 

 

 

BK W G

HI-LIMIT ALARM RELAY

 

BL

 

 

 

 

 

 

 

 

HI-LIMIT

 

 

BL/BK

BL

BL/BK

 

 

 

PU

 

ALARM

 

COM

 

STD.

 

 

 

CONTACTS

 

 

 

 

PU

 

BL

 

NO

 

ALARM

 

 

 

 

 

COM

 

 

 

INDICATOR

STD.

 

 

 

 

 

 

BL/W

 

BL/W

Y

Y

 

R

NO

BL/W

SILENCE

ALARM

PU

BL

24VAC OUT

ALARM RELAY

 

 

SWITCH

BL/W

 

 

 

 

 

 

 

IGNITION RELAY

 

 

 

BL

R

O

 

 

 

 

COM

 

NO

O

BL/BK

 

 

 

 

 

 

 

 

 

 

TEST

 

 

 

O.C.

 

 

SWITCH

 

 

 

 

 

T

1

 

T

 

J3

T

J

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

3

~~~~

LWCO

 

 

 

 

5

2

PROBE

 

 

 

 

4

1

~~~~

 

 

 

 

~~~~

 

 

 

 

 

 

 

 

 

 

RESET

 

 

 

 

 

 

 

J 2

 

 

 

 

 

1

2

3

J 4

 

 

 

 

P

 

GND

 

 

 

 

 

 

 

 

O/

 

PU

 

 

 

 

 

 

 

 

 

G

 

 

 

 

 

 

 

 

 

 

 

PU

RESET

CHASSIS O

 

 

 

 

GROUND

 

 

 

 

 

 

 

 

 

O

G

 

 

G

W BK

CHASSIS

 

 

GROUND

 

 

1

2

3

G

W

BK

 

 

 

 

 

GY

RUN

8888

VOLTS

FWD

AMPS

REV

 

HERTZ

G

 

 

 

T

PUMP MOTOR

 

 

 

BK

M

BK

 

 

BK

COM

 

 

 

 

 

 

DRIVE

 

 

NO

 

 

 

BL

R

T

PUMP

 

PUMP RELAY

GY

 

 

 

 

 

 

 

 

W

 

 

 

 

BR

 

 

 

 

BL

PRESISTORTO 1.2K

YTO MANUAL O’RIDE SW

 

 

 

 

 

Y

 

 

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

CHASSIS

 

GY

 

 

 

 

 

 

GY

BL

 

Y

 

GROUND

 

 

P

BL

P

DIP SWITCH #5 ON

W

 

 

 

 

RIDE OVER-

L ANUAM

 

 

 

 

 

 

 

E S A B

 

 

 

 

 

 

 

RDD A

EDOM

 

 

 

 

 

 

XUM

EMIT

 

-

+

rw P

moC

tuO

tuO

 

 

 

GI S

GI S

24V

 

Am

stlo V

 

 

 

ALARM

PU

 

 

P

7

8

9

 

OUTPUTS

4

5

6

O

T

1

1

2

3

 

 

 

VFD

 

 

3

2

1

 

 

 

 

 

1

ENABLE

 

 

 

 

 

 

 

BL

 

 

 

 

 

 

 

1

2

24VAC

 

1

 

 

 

 

 

 

 

 

 

Y

 

 

 

 

 

 

 

HSI

 

 

 

 

 

1

2

 

 

 

 

 

1

 

 

 

 

 

INPUTS

1

 

 

 

 

 

 

 

 

 

 

3

2

1

 

 

 

 

 

PU

 

 

 

 

 

R

PU

 

 

W

BYPASS COMMON

FLOAT

W/BK

FLOAT CLOSE

61

 

TUO

CONTROLLER

SUB -E

KC J3 JA

8

PWM/4-20ma

 

 

 

 

 

 

 

1718

7 6

TUO UTO

n/a

 

 

 

BUS-E

Dial Alarm

 

 

19

 

TUO

 

 

CVD TUO 22

5

Float Close

Hi-LoGas/

20

4

TUO

Float Open

6-1A amV/

 

Louver

 

 

 

 

DNG

21

3

TUO

Ignition Enable

 

 

 

22

 

TOU

 

 

5-1Aam V/

2

n/a

LowAir/Block Drain

32

 

TUO

4-1A MHO

1

Pump Relay

OA Sensor

 

 

 

NDG

24 C M 4 VA O 2 C

 

 

 

 

25

24

CVA

 

Bypass Water Sensor

3-A1 MH O

26

 

1-ID

HSI

Outlet Water Sensor

2-1A MHO

 

 

 

 

2 7

 

GND

 

 

 

 

GND

82

 

2-ID

Gas Valve

Inlet Water Sensor

1-1A MHO

 

 

 

 

29

 

3-DI

Low Wtr Flow

 

S/S

 

 

 

 

 

30

 

DNG

 

 

 

LED

 

 

 

 

 

 

E NDG

31

 

4-ID

Flame Failure

 

 

 

 

 

 

 

 

DIP SWITCH IN

01

02

 

 

DOWN

 

 

 

 

 

POSITION

S

 

 

SIGIN- SIGIN+ 24VPwr Com mAOut VoltsOut

CALIBRATED .

 

N

11

14 15

 

 

 

K

 

 

 

R

 

 

 

 

NOTICE:

 

S

 

 

 

 

 

 

C

 

 

PK

 

FACTORY

 

GY

 

 

 

 

 

 

Y

 

L1

L2

T1

T2

T3

PWM

DO NOT

ADJUST.

 

 

 

 

 

 

 

 

 

 

CONV.

 

 

 

 

 

 

OPTIONAL

1

2

BYPASS

24VAC ALARM

 

 

OUT

 

LOUV

VALVE

 

BL/W

Y

 

 

 

 

 

BR

1

2

3

1

4

1

 

 

 

BK

W

LINE

 

NEUTRAL GROUND

 

 

G

 

T

T

T

GND

1

2

3

 

 

OA

REAR WIRING

SENSOR

 

CONNECTIONS

 

Y BK BL

OPEN

COMMON

CLOSE

2

5

2

 

3

6

3

 

PU PU

4

5

ALARM CONTACTS

 

PU T

BK BK

78

Page 77 Page 79
Image 78
Page 77 Page 79
Contents Warranty Special Instructions To OwnerIFB/IFW-i&s-05 Table of Contents What to do if YOU Smell GAS Checking EquipmentDo not Owner WarningTable a Installation Procedure Location of UnitRecommended Service Clearances Clearances from Combustible ConstructionCombustion Air Direct from Outside AIR Supply to Mechanical Room Table BMinimum Recommended Combustion 500 in2 3226 cm2 667 in2 4303 cm2 000 in2 12,903 cm2Construction AIR Filter Construction Air FilterTable D Construction AIR Filter Kits Table CVenting Category IV Flue Pipe SizesCategory IV Flue Pipe Materials Category IV Positive Pressure Venting SystemCategory IV Venting Venting Guidelines for a Category IV VentDrain Tee Installation General Category IV Vent Termination ClearancesExceed a maximum of 100 equivalent feet 30.5 m in length Masonry Chimney Installations Vertical Venting TerminationsSidewall Vent Cap Kits Sidewall Venting TerminationsTable E Sidewall VentLocation of a Sidewall Vent Termination Direct Vent INTELLI-VENT SystemsAir Inlet Table FDirect Vent and Intelli-Vent Flue Air Inlet Pipe Sizes Length of Air Inlet PipeVertical Direct Vent Systems Combined Combustion Air Inlet PointsMultiple Vertical Direct Vent Installations Horizontal Direct VentSidewall Combustion AIR Inlet Table GLocation of a Sidewall Air Inlet Cap Multiple Horizontal Direct Vent Installations These areMaximum Length of an Intelli-Vent System Table HCombined Air Inlet Points Air Inlet Sidewall Input Flue Pipe Btu/hr SizeBtu/hr Size Cap Kit Horizontal INTELLI-VENT with Vertical Combustion AIRAir Inlet Sidewall Input Flue Pipe 500,000 SVK3026Vertical Combustion Horizontal INTELLI-VENT AIR Inlet Location of a Rooftop Air Inlet CapTable J GAS Connection GAS Supply GAS Pressure TestTable K Table LTable M Recommended Gas Pipe Size Single Appliance InstallationsMultiple Appliance Installations Gas Pipe Size Chart Table NGAS Piping GAS Manifold Pressure AdjustmentInstall Piping to Control Checking GAS Supply PressureChecking Manifold GAS Pressure Water Connections Water ConnectionsSecondary Heat Exchanger Primary Heat Exchanger Inlet and Outlet ConnectionsMinimum Pipe Size Requirements Integral Bypass Bypass Valve SynchronizationOptional Intermittent Pump Operation Bypass Piping AssemblyIntegral Circulator Bypass Initial Set-up of Maximum Water FlowTable P Minimum Water TemperaturesBtu/hr Input Temperature Rise Bypass OperationLOW Water Cutoff Water Flow SwitchTable Q GAS Train and ControlsRelief Valve Diaphragm GAS Valve Ratio GAS ValveJacket Assembly Electrical ConnectionsAccess to Components and Controls Front Control Panel LocationsVariable Frequency Drive Transformer and Relay LocationsHigh GAS Pressure Switch LOW GAS Pressure Switch Optional LOW AIR Pressure SwitchExcel Be used as a diagnostic indicator Table S Temperature AdjustmentDefault Values Pre-programmed in the Excel To Activate the Manual OverrideTable T Display Default Values Password FunctionConfiguring Command Display Accessing the SIX Changeable Points from Command DisplaySet Point Temp Calculated Set PointTotal Run Time Sequencing TypeCommand Display Data Screen Status Point Operational Modes Status PointsTable U Hot Surface Igniter OnOutdoor Reset Function Selections Optional on Heating Boilers OnlyMultiple Appliance Installations Efficiency Optimized with Time EqualizationSingly Terminated FTT Network Bus Topology Specifications Interfacing Multiple AppliancesTable W Wire Termination for E-Bus Connection Additional Components Used to Interface Multiple AppliancesHigh Water Temperature Limit Control Typical Building Management System DiagramService Parts HOT Surface Ignition SystemIgnition Module Lockout Functions Ignition and Control Timings Diagnostic Status IndicationTable Y Table ZBurner OPERATION/DIAGNOSTIC LIGHTS, Resets and SwitchesIndicator Table AACombustion AIR Blower Combustion Air Blower and Transition ChamberTable BB Condensate ManagementSystem Optional Condensate Drain Location On RearCondensate Testing Condensate Trap InstallationReplenishing the Neutralizer Install Condensate Trap Lighting InstructionsTo Turn OFF GAS to Appliance Ignition System CheckoutSequence of Operation Heat Transfer ProcessMaintenance End of SequenceBurner Removal and Cleaning Burner MaintenanceBurner Cleaning Procedure Location of Primary Heat ExchangerSecondary Heat Exchanger Inspection Lubrication Freeze Protection Water Treatment Heating Boiler InstallationsFreeze Protection for a Heating Boiler System If Required Water Connections Heating Boilers onlyBoiler Circulator Pump Limitations Primary Loop Circulator Pump SpecificationsPiping Lengths Circulator Pump OperationMinimum Boiler Water Temperatures PRIMARY/SECONDARY Boiler PipingMaximum Flow for Heating Boiler Boiler Temperature Rise Chart Table DDTable CC Btu/hr Input Maximum FlowTEMPERATURE/PRESSURE Gauge Typical Heating Boiler InstallationsPlacing the Boiler Operation Installation with a Chilled Water System Boiler Operating Temperature ControlBoiler Operation Water Velocity Control Typical Water Heater Piping with Storage TankTable EE Table FFMaximum Flow Rate Btu/hr Input Water Chemistry Piping Multiple Unit Installations Single Water Heater Piping with Two Storage TanksHeat Exchanger Table GGPump Operation Common ManifoldThermostat Settings Table HHOptional Relief Valve Thermal ExpansionCathodic Protection Ladder Diagram PWM Wiring Diagram
Related manuals
Manual 20 pages 6.19 Kb Manual 52 pages 37.07 Kb Manual 16 pages 33.86 Kb Manual 56 pages 36.01 Kb Manual 56 pages 40.75 Kb

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.
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