Lochinvar 402, 2072 service manual Parameter table B Water Heater Operation

Page 15

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

1 Service (continued)

Parameter table B - Water Heater Operation

Table 1E_This table lists SMART SYSTEM control module parameters and where to access them for water heater operation ONLY

CONTROL ANTI- DHWDATA TEMP. CASCADE MODES CYCLING SETTINGS FUNCTIONS LOGGING SETTINGS GENERAL

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

A

3

Software Version (Software Ver)

17

Yes

No

Yes

Yes

4

Temperature Units (Temp Units)

17

Yes

Yes

Yes

Yes

 

 

5

DHW Night Setback Offset (DHW NSB Temp)

17

Yes

Yes

Yes

Yes

 

6

DHW Night Setback Times (DHW NSB Time)

17

Yes

Yes

Yes

Yes

B

1

Manual Reset High Limit (Man Res Hi Lim)

18

Yes

Yes

Yes

Yes

 

1

Hours Running DHW (Hours Run DHW)

18

No

No

Yes

Yes

C

 

 

 

 

 

 

 

2

Ignition Attempts (Ign Attempts)

18

No

No

Yes

Yes

 

 

 

 

 

 

 

 

 

3

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

 

 

 

 

 

 

 

 

E

2

DHW Tank Offset (DHW Tank Offs)

19

No

No

Yes

Yes

 

3

DHW Tank Differential (DHW Tank Diff)

19

No

No

Yes

Yes

 

1

Anti-cycle Time (Anti Cycl Tm)

21

No

No

Yes

Yes

F

2

Anti-cycle Override Differential (Override Diff)

21

No

No

Yes

Yes

3

On/Off Delay

21

Yes

Yes

Yes

Yes

 

 

4

Next On Delay

21

Yes

Yes

Yes

Yes

 

1

Enable Input (Active / Inactive)

22

No

No

Yes

Yes

 

2

BMS Input (Active / Inactive)

22

No

No

Yes

Yes

G

3

Cascade (Active / Inactive)

22

No

No

Yes

Yes

 

4

ModBus (Active / Inactive)

22

No

No

Yes

Yes

 

5

ModBus Timeout (ModBus Time)

22

No

No

Yes

Yes

 

1

Boiler Address (Blr Adress)

23

No

No

Yes

Yes

H

 

 

 

 

 

 

 

2

Maximum Cascade Setpoint (Max Casc Stpt)

23

Yes

Yes

Yes

Yes

 

 

 

 

 

 

 

 

 

15

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Contents Copper-fin II/IIE Boiler and Water Heater Models 402 Contents Please read before proceeding Handling ceramic fiber materialsNiosh stated First Aid Troubleshooting What is in this manual?Service MaintenanceCopper-fin display ServiceControl inputs Control outputs Sequence of operation General OperationHow the appliance operates How the control module operatesOUT 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 NotificationSee the User’s Information Manual for instructions Maintenance Maintenance and annual startupService technician Owner maintenanceMaintenance Check relief valve Inspect/replace hot surface ignitersInspect/replace hot surface igniter Perform start-up and checks Check all wiringCheck control settings Inspect and clean burner2Adjusting air shutter 399,999 750,000 Btu/ hr Models Checking manifold gas pressure Adjusting combustion air pressurePressure Regulator Chamber Adjustment Manifold Inspect and clean the heat exchanger Review with ownerOiled bearing circulators Check the following TroubleshootingBefore troubleshooting Check control module fusesUnit Does No DisplayNo Burner OperationChecking temperature sensors Resistance TemperatureTemperature Resistance DHW Pump NoisyNo Pump Operation Boiler Pump System PumpFlow Switch Flame SequenceAnti-cycling Flame CKT ErrorNo Flame Ign HSI Current LowHigh Limit Auto ResetNo Flame RunningSensor Shorted Manual ResetInlet Low Sensor OpenAPS Closed Louver ProvingTank Open APS OpenTemp O/Shoot Rem Ctrl FltParameters Progr Low Voltage Service BlkWatch Dog Error No Error Stored
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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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