Copper-fin II/IIE Boiler and Water Heater Service Manual

1 Service (continued)

Parameter table A - Boiler Operation

Table 1D_This table lists SMART SYSTEM control module parameters and where to access them for boiler operation

ONLY

GENERAL

TEMPERATURESETTINGS

DATALOGGING

FUNCTIONS

DHWSETTINGS

RESETOUTDOOR

Menu

Sub

Description

See

User Access

Installer Access

Item

Page

Display

Modify

Display

Modify

 

 

 

1

User Code

17

Yes

Yes

Yes

Yes

 

2

Date and Time

17

Yes

Yes

Yes

Yes

 

3

Software Version (Software Ver)

17

Yes

No

Yes

Yes

A

4

Temperature Units (Temp Units)

17

Yes

Yes

Yes

Yes

5

SH Night Setback Offset (SH NSB Temp)

17

Yes

Yes

Yes

Yes

 

 

6

SH Night Setback Times (SH NSB Time)

17

Yes

Yes

Yes

Yes

 

7

DHW Night Setback Offset (DHW NSB Temp)

17

Yes

Yes

Yes

Yes

 

8

DHW Night Setback Times (DHW NSB Time)

17

Yes

Yes

Yes

Yes

 

1

SH Setpoint (SH Setpoint)

17

Yes

Yes

Yes

Yes

 

2

SH Minimum Setpoint (SH Min Setpt)

17

No

No

Yes

Yes

 

3

SH Maximum Setpoint (SH Max Setpt)

18

No

No

Yes

Yes

B

4

SH Offset

18

No

No

Yes

Yes

 

5

SH Differential (SH Differentl)

18

No

No

Yes

Yes

 

6

Manual Reset High Limit (Man Res Hi Lim)

18

Yes

Yes

Yes

Yes

 

7

Auto Reset High Limit (Aut Res Hi Lim)

18

Yes

Yes

Yes

Yes

 

1

Hours Running SH (Hours Run SH)

18

No

No

Yes

Yes

C

2

Hours Running DHW (Hours Run DHW)

18

No

No

Yes

Yes

3

Ignition Attempts (Ign Attempts)

18

No

No

Yes

Yes

 

 

4

Last 10 Lockouts

18

No

No

Yes

Yes

 

1

Clear Error Log (Clr Error Log)

18

No

No

Yes

Yes

 

2

Service Mode Delay (Service Delay)

18

No

No

Yes

Yes

 

3

Display Timeout (Display Time)

18

No

No

Yes

Yes

D

4

Bypass Valve Time (Bypass V Time)

18

No

No

Yes

Yes

 

5

Freeze Protection Pump On (Freeze Pump)

19

No

No

Yes

Yes

 

6

Freeze Protection Burner On (Freeze Burn)

19

No

No

Yes

Yes

 

7

Freeze Protection Differential (Freeze Differ)

19

No

No

Yes

Yes

 

1

Tank Setpoint

19

Yes

Yes

Yes

Yes

 

2

DHW Boiler Setpoint (DHW Blr Setp)

19

Yes

Yes

Yes

Yes

E

3

SH/DHW Switching Time (SH/DHW Switch)

19

Yes

Yes

Yes

Yes

 

4

DHW/SH Switching Time (DHW/SH Switch)

19

Yes

Yes

Yes

Yes

 

5

DHW Tank Differential (DHW Tank Diff)

19

No

No

Yes

Yes

 

1

Minimum Outdoor Temperature (Min Air Temp)

20

No

No

Yes

Yes

 

2

Maximum Outdoor Temperature (Max Air Temp)

20

No

No

Yes

Yes

 

3

Maximum SH Setpoint (Max SH Setpt)

20

No

No

Yes

Yes

F

4

Minimum SH Setpoint (Min SH Setpt)

20

No

No

Yes

Yes

5

Outdoor Shutdown Setpoint (Outdoor Shtdn)

20

Yes

Yes

Yes

Yes

 

6

Outdoor Shutdown Differential (Shutdown Diff)

21

Yes

Yes

Yes

Yes

 

7

Shift Reset Curve (Shift Reset)

21

No

No

Yes

Yes

 

8

Boost Temperature (Boost Temp)

21

Yes

Yes

Yes

Yes

 

9

Boost Time

21

Yes

Yes

Yes

Yes

13

Page 13
Image 13
Lochinvar 402 - 2072 service manual Parameter table a Boiler Operation, Only

402 - 2072 specifications

The Lochinvar 402 - 2072 is a versatile and highly efficient boiler designed to meet the heating demands of modern residential and commercial applications. This model stands out due to its innovative technologies, advanced features, and a high level of reliability, making it an ideal choice for consumers looking for an enduring and economical heating solution.

One of the primary characteristics of the Lochinvar 402 - 2072 is its impressive energy efficiency. With an exceptional annual fuel utilization efficiency (AFUE) rating, this boiler ensures minimal energy waste, allowing homeowners and business operators to save significantly on their energy bills. The model incorporates advanced condensing technology that enables it to extract heat from the combustion gases, maximizing heat transfer and reducing emissions.

The Lochinvar 402 - 2072 is built with a robust stainless steel construction that enhances durability and resilience against corrosion and other environmental factors. This material not only prolongs the lifespan of the unit but also contributes to its outstanding thermal efficiency. Additionally, the boiler's compact design allows for flexible installation options, making it suitable for various spaces, including tight utility rooms and basements.

Equipped with a user-friendly control interface, the Lochinvar 402 - 2072 allows for easy monitoring and adjustment of settings. Its advanced digital display provides real-time data on system performance, ensuring the operator can maintain optimal performance and efficiency.

Another noteworthy feature is the unit's quiet operation. The design includes sound-dampening insulation and high-efficiency circulators, keeping noise to a minimum, which is an essential trait for both residential and commercial settings.

The Lochinvar 402 - 2072 is also designed with safety in mind. It incorporates multiple safety features including an automated vent damper, low water cutoff, and a comprehensive control system that monitors various operating conditions. This proactive approach to safety ensures that potential issues are identified and addressed before they become critical.

In conclusion, the Lochinvar 402 - 2072 boiler presents an exceptional combination of efficiency, durability, and user-friendly features. Its advanced condensing technology, stainless steel construction, and focus on safety make it a leading choice in the competitive boiler market, catering to the heating needs of a diverse range of applications while ensuring environmental responsibility. For those in search of a dependable and efficient heating solution, the Lochinvar 402 - 2072 is certainly worth considering.