Lochinvar 502 - 2072, 402 - 2072 Parameter table, Datalogging Functions Settingsdhw Resetoutdoor

Page 13

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

1 Service (continued)

Parameter table

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

GENERAL

TEMPERATURESETTINGS

DATALOGGING

FUNCTIONS

SETTINGSDHW

RESETOUTDOOR

Menu

Sub

Description

See

User Access

Installer Access

Item

Page

Display

Modify

Display

Modify

 

 

 

1

User Code

15

Yes

Yes

Yes

Yes

 

2

Time and Date

15

Yes

Yes

Yes

Yes

 

3

Software Version

15

Yes

No

Yes

Yes

A

4

Temperature Units

15

Yes

Yes

Yes

Yes

5

SH Night Setback Offset

15

Yes

Yes

Yes

Yes

 

 

6

SH Night Setback Times

15

Yes

Yes

Yes

Yes

 

7

DHW Night Setback Offset

15

Yes

Yes

Yes

Yes

 

8

DHW Night Setback Times

15

Yes

Yes

Yes

Yes

 

1

SH User Setpoint

15

Yes

Yes

Yes

Yes

 

2

Minimum SH User Setpoint

15

No

No

Yes

Yes

 

3

Maximum SH User Setpoint

16

No

No

Yes

Yes

B

4

SH Offset

16

No

No

Yes

Yes

 

5

SH Differential

16

No

No

Yes

Yes

 

6

Manual Reset High Limit

16

Yes

Yes

Yes

Yes

 

7

Auto Reset High Limit

16

Yes

Yes

Yes

Yes

 

1

Hours Running SH

16

No

No

Yes

Yes

C

2

Hours Running DHW

16

No

No

Yes

Yes

3

Burner Cycles

16

No

No

Yes

Yes

 

 

4

Last 10 Lockouts

16

No

No

Yes

Yes

 

1

Reset Last 10 Lockouts

16

No

No

Yes

Yes

 

2

Service Mode Delay

16

No

No

Yes

Yes

 

3

Display Timeout

16

No

No

Yes

Yes

D

4

Bypass Valve Time

16

No

No

Yes

Yes

 

5

Freeze Protection Pump On

17

No

No

Yes

Yes

 

6

Freeze Protection Burner On

17

No

No

Yes

Yes

 

7

Freeze Protection Differential

17

No

No

Yes

Yes

 

1

Tank Setpoint

17

Yes

Yes

Yes

Yes

 

2

DHW Boiler Setpoint

17

Yes

Yes

Yes

Yes

E

3

SH/DHW Switching Time

17

No

No

Yes

Yes

4

DHW/SH Switching Time

17

No

No

Yes

Yes

 

 

5

Tank Offset

17

No

No

Yes

Yes

 

6

Tank Differential

17

No

No

Yes

Yes

 

1

Low Outdoor Temperature

18

No

No

Yes

Yes

 

2

High Outdoor Temperature

18

No

No

Yes

Yes

 

3

Setpoint at Low Outdoor Temperature

18

No

No

Yes

Yes

F

4

Setpoint at High Outdoor Temperature

18

No

No

Yes

Yes

5

Outdoor Shutdown Setpoint

18

Yes

Yes

Yes

Yes

 

6

Outdoor Shutdown Differential

19

Yes

Yes

Yes

Yes

 

7

Shfit Reset Curve

19

No

No

Yes

Yes

 

8

Boost Temperature

19

Yes

Yes

Yes

Yes

 

9

Boost Time

19

Yes

Yes

Yes

Yes

13

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Contents Copper-fin II/IIE Boiler, Water Heater Pool Heater 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 Parameter table Datalogging Functions Settingsdhw ResetoutdoorAnti-cycle Delay Yes Viewable and changeable control parameters Temperature settings boiler onlyFunctions 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 valve Inspect/replace hot surface igniterCheck control settings Check all wiringInspect and clean burner Perform start-up and checksChecking combustion air pressure Access to the burner will require the following stepsChecking manifold gas pressure Adjusting combustion air pressureValve Fitting Control Knob Review with owner Inspect and clean the heat exchangerOiled bearing circulators Before troubleshooting TroubleshootingCheck control module fuses Check the followingNo Burner No DisplayOperation Unit Does NotResistance Temperature Checking temperature sensorsTemperature Resistance No Pump NoisyBoiler 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 Service BlkProgr Low VoltageNo Error Stored Watch Dog ErrorWrite EEProm Program EEProm
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502 - 2072, 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.
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