Lochinvar 400 - 801 service manual Reset

Page 17

Service Manual

1Service (continued)

Parameter table

Table 1-4(continued from previous page) This table lists SMART SYSTEM control module parameters and where to access them

Menu

Sub

Description

See

User Access

Installer Access

 

 

 

 

 

 

 

Item

Page

Display

Modify

Display

Modify

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTDOOR

RESET

 

18

Boost Temperature

23

No

No

Yes

 

 

Yes

F

 

 

 

 

 

 

 

 

 

 

19

Boost Time

23

No

No

Yes

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANTI-CYCLING

 

1

Anti-Cycling Time

23

No

No

Yes

 

 

Yes

 

 

 

 

 

 

 

 

 

 

G

2

Anti-Cycling Override Differential

23

No

No

Yes

 

 

Yes

 

 

 

 

 

 

 

 

 

 

3

Ramp Delay (Enable, Disable)

23

No

No

Yes

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

SH Ramp Delay

24

No

No

Yes

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

Controlling Sensor

24

No

No

Yes

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

BMS Tstat Input (Active/Inactive)

24

No

No

Yes

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

BMS (Active/Inactive)

24

No

No

Yes

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

ModBus (Active/Inactive)

25

No

No

Yes

 

 

Yes

MODES

 

 

 

 

 

 

 

 

 

 

 

 

 

5

ModBus T/O (Timeout)

25

No

No

Yes

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

6

Cascade Address

25

No

No

Yes

 

 

Yes

CONTROL

 

H

 

 

 

 

 

 

 

 

 

 

7

Cascade Type (L/L / EFF)

25

No

No

Yes

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

8

Max Cascade Outlet Set Point

25

No

No

Yes

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

Cascade Offset

25

No

No

Yes

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

Cascade Off/On Differential

25

No

No

Yes

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11

Min On/Off Time

25

No

No

Yes

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12

Min Next On Time

25

No

No

Yes

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13

Boiler Size

25

No

No

Yes

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

PUMPS

 

1

System Pump Delay

26

No

No

Yes

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

2

Boiler Pump Delay

26

No

No

Yes

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

CIRCULATION

 

3

DHW Pump Delay

26

No

No

Yes

 

 

Yes

 

 

 

 

 

 

 

 

 

 

I

4

Boiler Pump Anti-Seize Delay

26

No

No

Yes

 

 

Yes

 

 

 

 

 

 

 

 

 

 

5

Boiler Pump Min Voltage

26

No

No

Yes

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

System Pump Type (CFH/WWSD)

26

No

No

Yes

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

DHW Pump Anti-Seize Delay

26

No

No

Yes

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

System Pump Anti-Seize Delay

26

No

No

Yes

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Image 17
Contents Models 400 Contents Niosh stated First Aid Please read before proceedingHandling ceramic fiber materials When servicing boiler Service What is in this manual?Maintenance TroubleshootingNear boiler piping ServiceNavigation Dial Knight XL displayLOW Voltage Connection Board Control inputsControl outputs Smart Control ModuleGeneral Operation Access modesHow the boiler operates How the control module operatesOperation Display From previous page Sequence of Operation Button Screen Operation Display Status Display panel menu accessDisplay panel parameter access General Parameter tableSettings Reset Notification Viewable and changeable control parameters Temperature units C / FDate and Time Software VersionFunctions Temperature SettingsData Logging DHW Settings Outdoor Reset Anti-Cycling Control modes SH Ramp DelayControlling Sensor BMS Thermostat Input Active / InactiveMinimum On/Off Time Cascade OffsetCirculation pumps Service Notification Owner maintenance Maintenance Maintenance and annual startupService technician Maintenance Check water system Flue vent system and air pipingCheck expansion tank Check boiler relief valveCheck all boiler wiring Check ignition ground wiringCheck control settings Inspect ignition and flame sense electrodesCleaning boiler heat exchanger Check flame signalReview with owner Model Kit Part Component Number DescriptionBefore troubleshooting TroubleshootingCheck control module fuses Check the followingNo Burner No DisplayOperation Unit Does NotTemperature Resistance Checking temperature sensorsWire Color R/BK and Y Wire Color G and Y Resistance TemperatureNo Pump NoisyBoiler Pump System Pump DHW PumpFlow Switch/LWCOFlame Fail Ign Anti-cyclingFlame Sequence Auto ResetHigh Limit Fan LowFail GV/RelayFan High Fan Speed HighDelta T High Flue Temp HighOutlet Temp HighParameters Progr Service BlkRem Ctrl Flt No Error Stored Watch Dog ErrorLow 24 vac Write EEPromGas Valve Adjustment Combustion Analysis ProcedureOr Obstruction Gas Supply PressureModels 601 Gas valve adjustment procedureModel Page