Lochinvar 402 - 2072 service manual Anti-cycle Time Anti Cycl Tm

Page 14

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

1 Service

Parameter table A - Boiler Operation (continued)

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

CONTROL ANTI- CASCADE MODES CYCLING

BMS

SERVICE NOTIFICATION PUMPS

Menu

Sub

Description

See

User Access

Installer Access

Item

Page

Display

Modify

Display

Modify

 

1

Anti-cycle Time (Anti Cycl Tm)

21

No

No

Yes

Yes

G

2

Anti-cycle Override Differential (Override Diff)

21

No

No

Yes

Yes

3

Minimum On/Off Delay Stages 1, 3 (On/off Delay)

21

Yes

Yes

Yes

Yes

 

 

4

Next On Delay

21

Yes

Yes

Yes

Yes

 

1

SH Controlling Sensor (SH Cnt Sensor)

22

No

No

Yes

Yes

 

2

Enable Input (Active / Inactive)

22

No

No

Yes

Yes

 

3

BMS Input (Active / Inactive)

22

No

No

Yes

Yes

H

4

Cascade (Active / Inactive)

22

No

No

Yes

Yes

 

5

Sequencer

22

No

No

Yes

Yes

 

6

ModBus (Active / Inactive)

22

No

No

Yes

Yes

 

7

ModBus Timeout (ModBus Time)

22

No

No

Yes

Yes

 

1

Boiler Address (Blr Adress)

23

No

No

Yes

Yes

I

2

Maximum Cascade Setpoint (Max Casc Stpt)

23

Yes

Yes

Yes

Yes

3

Cascade Offset (Cas Offset)

23

No

No

Yes

Yes

 

 

4

Cascade Differential (Cas Different)

23

No

No

Yes

Yes

 

1

BMS Type

23

No

No

Yes

Yes

 

2

Voltage at Minimum (V at Min)

23

No

No

Yes

Yes

 

3

Voltage at Maximum (V at Max)

23

No

No

Yes

Yes

 

4

Minimum Power (Min Power)

23

No

No

Yes

Yes

J

5

Maximum Power (Max Power)

23

No

No

Yes

Yes

 

6

Minimum Setpoint (Min Setpoint)

23

No

No

Yes

Yes

 

7

Maximum Setpoint (Max Setpoint)

24

No

No

Yes

Yes

 

8

Voltage to Start CFH (V at Start)

24

No

No

Yes

Yes

 

9

Voltage Differential Stop CFH (V Diff Stop)

24

No

No

Yes

Yes

 

1

System Pump Delay (Sys Pump Dlay)

24

No

No

Yes

Yes

K

2

SH Pump Delay (SH Pump Delay)

24

No

No

Yes

Yes

3

DHW Pump Delay (DHW Pump Dlay)

24

No

No

Yes

Yes

 

 

4

System Pump Mode (Sys Pump Mode)

24

No

No

Yes

Yes

 

1

Service Interval Time (months) (Srv Int Time)

24

No

No

Yes

Yes

 

 

 

 

 

 

 

 

 

2

Service Interval Run (Srv Int Run)

24

No

No

Yes

Yes

L

3

Service Interval Operation (hours) (Srv Int Op)

24

No

No

Yes

Yes

 

4

Reset Service

24

No

No

Yes

Yes

 

5

Accept Personality Plug (Accept PPlug)

24

No

No

Yes

Yes

 

 

 

 

 

 

 

 

14

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Contents Copper-fin II/IIE Boiler and Water Heater Models 402 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 Parameter table a Boiler Operation OnlyAnti-cycle Time Anti Cycl Tm Parameter table B Water Heater Operation BMS Service Notification Pumps Temperature settings 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 Inspect/replace hot surface igniter Check relief valveInspect/replace hot surface igniters Inspect and clean burner Check all wiringCheck control settings Perform start-up and checks2Adjusting air shutter 399,999 750,000 Btu/ hr Models Adjusting 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 DoesTemperature Resistance Checking temperature sensorsResistance Temperature Operation 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 ClosedParameters Progr Temp O/ShootRem Ctrl Flt No Error Stored Service BlkWatch Dog Error Low Voltage
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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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