Service Manual

1 Service

Parameter table

Table 1B (continued from previous page) This table lists SMART TOUCH control module parameters and where to access them

Menu

SETBACK

H

HWG NIGHT

 

MOD BUS

I

 

CASCADE

J

 

Sub

Parameter Name

See

Min

Max

Default

User

Installer

 

 

 

 

 

Item

(as shown on the LCD screen)

Page

Value

Value

Value

Access

Access

1

HWG Night Setback Offset Temp

22

0

90

0

No

Yes

 

 

 

 

 

 

 

 

2

HWG Night Setback Mon End

22

N/A

N/A

N/A

No

Yes

 

 

 

 

 

 

 

 

3

HWG Night Setback Mon Begin

22

N/A

N/A

N/A

No

Yes

 

 

 

 

 

 

 

 

4

HWG Night Setback Tue End

22

N/A

N/A

N/A

No

Yes

 

 

 

 

 

 

 

 

5

HWG Night Setback Tue Begin

22

N/A

N/A

N/A

No

Yes

 

 

 

 

 

 

 

 

6

HWG Night Setback Wed End

22

N/A

N/A

N/A

No

Yes

 

 

 

 

 

 

 

 

7

HWG Night Setback Wed Begin

22

N/A

N/A

N/A

No

Yes

 

 

 

 

 

 

 

 

8

HWG Night Setback Thur End

22

N/A

N/A

N/A

No

Yes

 

 

 

 

 

 

 

 

9

HWG Night Setback Thur Begin

22

N/A

N/A

N/A

No

Yes

 

 

 

 

 

 

 

 

10

HWG Night Setback Fri End

22

N/A

N/A

N/A

No

Yes

 

 

 

 

 

 

 

 

11

HWG Night Setback Fri Begin

22

N/A

N/A

N/A

No

Yes

 

 

 

 

 

 

 

 

12

HWG Night Setback Sat End

22

N/A

N/A

N/A

No

Yes

 

 

 

 

 

 

 

 

13

HWG Night Setback Sat Begin

22

N/A

N/A

N/A

No

Yes

 

 

 

 

 

 

 

 

14

HWG Night Setback Sun End

22

N/A

N/A

N/A

No

Yes

 

 

 

 

 

 

 

 

15

HWG Night Setback Sun Begin

22

N/A

N/A

N/A

No

Yes

1

ModBus Active / Inactive

23

ACTIVE

INACTIVE

INACTIVE

No

Yes

 

 

 

 

 

 

 

 

2

ModBus Out of Order Timer

23

5

120

30

No

Yes

1

Cascade Active / Inactive

23

ACTIVE

INACTIVE

INACTIVE

No

Yes

 

 

 

 

 

 

 

 

2

Cascade Address

23

0

7

1

No

Yes

 

 

 

 

 

 

 

 

3

Cascade Offset

23

0

40

10

No

Yes

 

 

 

 

 

 

 

 

4

Cascade Differential

23

0

72

20

No

Yes

5

Max Boiler Setpoint for Cascade

23

32

185

185

No

Yes

 

 

 

 

 

 

 

 

6

Cascade Type

23

N/A

N/A

N/A

No

Yes

 

 

 

 

 

 

 

 

7

Block Time Switching Boiler On / Off

23

0

255

60

No

Yes

 

 

 

 

 

 

 

 

8

Minimum Next On Time

24

0

255

60

No

Yes

 

 

 

 

 

 

 

 

9

Rate % to Switch On Next Boiler

24

1

100

80

No

Yes

 

 

 

 

 

 

 

 

10

Rate % to Switch Off Last Boiler

24

1

100

10

No

Yes

 

 

 

 

 

 

 

 

11

Number of Boiler Pumps Always On

24

0

8

0

No

Yes

 

 

 

 

 

 

 

 

16

Page 15 Page 17
Page 16
Image 16
Lochinvar 3.5, 1.5, 2.5 service manual Setback HWG Night
Page 15 Page 17

3, 2, 3.5, 2.5, 1.5 specifications

Lochinvar is a leader in manufacturing high-efficiency water heating solutions, and their Lochinvar 1.5, 1.3, and 1.0 models exemplify the company's commitment to innovation and performance. These advanced heating systems are designed to meet the diverse needs of commercial and residential applications, providing reliable hot water while ensuring energy efficiency and environmental sustainability.

The Lochinvar 1.5, 1.3, and 1.0 models incorporate cutting-edge technologies that set them apart from traditional water heaters. One of the most notable features is their use of high-efficiency condensing technology, which extracts maximum heat from the combustion process. This process allows the units to achieve high thermal efficiencies, often exceeding 95%, which not only reduces energy costs but also lowers greenhouse gas emissions.

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The Lochinvar 1.5, 1.3, and 1.0 models feature advanced control systems that provide precise temperature management and easy operation. The intuitive digital display allows users to monitor performance metrics, temperature settings, and energy consumption with ease. Additionally, these units are equipped with intelligent modulating gas valves that optimize fuel usage based on demand, ensuring efficient operation across various load conditions.

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In summary, Lochinvar's 1.5, 1.3, and 1.0 water heating models represent the pinnacle of efficiency, safety, and reliability. With their advanced technologies, durable construction, and user-friendly features, these units are an excellent choice for anyone seeking a high-performance water heating solution.
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