Lochinvar 402 - 2072, 502 - 2072 service manual Anti-cycle Delay Yes

Page 14

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

1 Service

Parameter table (continued)

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

CASCADE CONTROL ANTI-CYCLING MODES

BMS

SERVICE NOTIFICATION PUMPS

Menu

Sub

Description

See

User Access

Installer Access

Item

Page

Display

Modify

Display

Modify

 

 

 

1

Anti-cycle Delay

19

No

No

Yes

Yes

 

2

Anti-cycle Override Differential

19

No

No

Yes

Yes

G

3

Ramp Delay Enable

19

Yes

Yes

Yes

Yes

4

Ramp Delay Settings

19

Yes

Yes

Yes

Yes

 

 

5

Min On/Off Time Stages 1, 3

19

No

No

Yes

Yes

 

6

Delay Between Stages 1, 3

19

No

No

Yes

Yes

 

1

Controlling Sensor

20

No

No

Yes

Yes

 

2

Enable Input (Active / Inactive)

20

No

No

Yes

Yes

 

3

BMS Input (Active / Inactive)

20

No

No

Yes

Yes

H

4

Cascade (Active / Inactive)

20

No

No

Yes

Yes

 

5

Sequencer

20

No

No

Yes

Yes

 

6

ModBus (Active / Inactive)

20

No

No

Yes

Yes

 

7

ModBus Timeout

20

No

No

Yes

Yes

 

1

Cascade Address

21

No

No

Yes

Yes

I

2

Max. Outlet Set point

21

Yes

Yes

Yes

Yes

3

Cascade Offset

21

No

No

Yes

Yes

 

 

4

Cascade Differential

21

No

No

Yes

Yes

 

1

BMS Type

21

No

No

Yes

Yes

 

2

Voltage at Minimum

21

No

No

Yes

Yes

 

3

Voltage at Maximum

21

No

No

Yes

Yes

 

4

Power at Low Voltage

21

No

No

Yes

Yes

J

5

Power at High Voltage

21

No

No

Yes

Yes

 

6

Setpoint at Low Voltage

21

No

No

Yes

Yes

 

7

Setpoint at High Voltage

22

No

No

Yes

Yes

 

8

Voltage to Start CFH

22

No

No

Yes

Yes

 

9

Voltage Differential CFH

22

No

No

Yes

Yes

 

1

System Pump Delay

22

No

No

Yes

Yes

K

2

Boiler Pump Delay

22

No

No

Yes

Yes

3

DHW Pump Delay

22

No

No

Yes

Yes

 

 

4

System Pump Mode

22

No

No

Yes

Yes

 

1

Service Calendar Time (months)

22

No

No

Yes

Yes

 

2

Service Run Time (hours)

22

No

No

Yes

Yes

L

3

Service Cycles

22

No

No

Yes

Yes

 

4

Reset Service Reminder

22

No

No

Yes

Yes

 

 

 

 

 

 

 

 

 

5

Personality Plug

22

No

No

Yes

Yes

 

 

 

 

 

 

 

 

14

Image 14
Contents Copper-fin II/IIE Boiler, Water Heater Pool Heater Contents Niosh stated First Aid Please read before proceedingHandling ceramic fiber materials Maintenance What is in this manual?Service TroubleshootingService Copper-fin displayControl inputs Control outputs How the control module operates General OperationHow the appliance operates Sequence of operationSequence of operation OUT 123.8F129HTR Postpurge Display panel menu access Display panel parameter access Functions Settingsdhw Resetoutdoor Parameter tableAnti-cycle Delay Yes Temperature settings boiler only Viewable and changeable control parametersData logging FunctionsDHW settings Outdoor air reset boiler only Anti-cycling Control modes Building Management System BMS CascadeService Notification Circulation pumpsOwner maintenance Maintenance Maintenance and annual startupService technician See the User’s Information Manual for instructionsMaintenance Check relief valve Inspect/replace hot surface igniter Inspect/replace hot surface ignitersInspect and clean burner Check all wiringCheck control settings Perform start-up and checksAccess to the burner will require the following steps Checking combustion air pressureAdjusting combustion air pressure Checking manifold gas pressureValve Fitting Control Knob Oiled bearing circulators Inspect and clean the heat exchangerReview with owner Check control module fuses TroubleshootingBefore troubleshooting Check the followingOperation No DisplayNo Burner Unit Does NotTemperature Resistance Checking temperature sensorsResistance Temperature Boiler Pump System Pump NoisyNo Pump DHW PumpAnti-cycling Flow SwitchFlame Sequence HSI Current Low ErrorNo Flame Ign Flame CKTRunning Auto ResetNo Flame High LimitSensor Open Manual ResetInlet Low Sensor ShortedAPS Open Louver ProvingTank Open APS ClosedTemp O/Shoot Rem Ctrl FltProgr Service BlkParameters Low VoltageWrite EEProm Watch Dog ErrorNo Error Stored 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.