Lochinvar 402, 2072 service manual Parameter table a Boiler Operation, Only

Page 13

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

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Page 12 Page 14
Contents Copper-fin II/IIE Boiler and Water Heater Models 402 Contents Handling ceramic fiber materials Please read before proceedingNiosh stated First Aid Service What is in this manual?Maintenance TroubleshootingCopper-fin display ServiceControl inputs Control outputs How the appliance operates General OperationHow the control module operates Sequence of operationOUT 123.8F129 Sequence of operationHTR Postpurge Display panel menu access Display panel parameter access Only Parameter table a Boiler OperationAnti-cycle Time Anti Cycl Tm Parameter table B Water Heater Operation BMS Service Notification Pumps Viewable and changeable control parameters Temperature settingsFunctions Data loggingDHW settings Outdoor air reset boiler only Anti-cycling Control modes Cascade Building Management System BMSCirculation pumps Service NotificationService technician Maintenance Maintenance and annual startupOwner maintenance See the User’s Information Manual for instructionsMaintenance Inspect/replace hot surface igniters Check relief valveInspect/replace hot surface igniter Check control settings Check all wiringInspect and clean burner Perform start-up and checks2Adjusting air shutter 399,999 750,000 Btu/ hr Models Checking manifold gas pressure Adjusting combustion air pressurePressure Regulator Chamber Adjustment Manifold Review with owner Inspect and clean the heat exchangerOiled bearing circulators Before troubleshooting TroubleshootingCheck control module fuses Check the followingNo Burner No DisplayOperation Unit DoesResistance Temperature Checking temperature sensorsTemperature Resistance No Pump NoisyOperation Boiler Pump System Pump DHW PumpFlame Sequence Flow SwitchAnti-cycling No Flame Ign ErrorHSI Current Low Flame CKTNo Flame Auto ResetRunning High LimitInlet Low Manual ResetSensor Open Sensor ShortedTank Open Louver ProvingAPS Open APS ClosedRem Ctrl Flt Temp O/ShootParameters Progr Watch Dog Error Service BlkNo Error Stored Low Voltage
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402, 2072 specifications

Lochinvar 2072,502 is an innovative and robust water-heating solution tailored for residential and commercial applications. This model represents a significant advancement in energy efficiency and performance, catering to the dynamic heating requirements of modern buildings.

One of the standout features of Lochinvar 2072,502 is its advanced thermal efficiency. With an impressive AFUE (Annual Fuel Utilization Efficiency) rating, the unit delivers exceptional heat output while minimizing energy consumption. This not only reduces utility bills for homeowners and businesses but also supports sustainability efforts by decreasing carbon footprints.

The Lochinvar 2072,502 incorporates cutting-edge technologies that set it apart in the market. It is equipped with advanced control systems that allow users to precisely manage heating outputs, ensuring optimal comfort while conserving energy. The user-friendly digital display provides real-time data, allowing for efficient monitoring and control.

Another significant characteristic of the Lochinvar 2072,502 is its robust stainless-steel construction. This feature enhances the unit's durability and longevity, ensuring reliable performance even in challenging conditions. The high-quality materials also contribute to maintaining consistent water temperatures, which is essential for both residential and commercial heating needs.

The Lochinvar 2072,502 operates silently, making it ideal for installations in areas where noise is a concern. Its compact design allows for flexible installation options, fitting seamlessly into various spaces, whether it’s a utility room, basement, or outdoor area.

Furthermore, the unit supports multiple venting options, accommodating different building architectures and layouts. This versatility makes it an ideal choice for new builds and retrofitting existing systems.

Maintenance is streamlined with the Lochinvar 2072,502, as it features a self-diagnostics system that simplifies troubleshooting. Regular service check-ups are made easier with accessible components, allowing technicians to perform maintenance tasks efficiently.

In summary, the Lochinvar 2072,502 stands out for its high efficiency, advanced technology, durability, and flexible installation options. It is an ideal choice for those seeking a reliable and technologically advanced water-heating solution that meets the challenges of contemporary heating demands while promoting energy savings and environmental responsibility.
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