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 78
Image 78
Lochinvar 1, 000 through 2 warranty Pwm

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.