Manuals / Lochinvar / Household Appliance / Boiler

Lochinvar 3.5, 1.5, 2.5 service manual Service, Parameter table, Setback, Hwg Night, Cascade

Models: 3.5 2.5 1.5

1 56

Download 56 pages 20.39 Kb

Page 16

HWG NIGHT

Service Manual

1 Service

Parameter table

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

Menu

	SETBACK	H
	HWG NIGHT	H
	HWG NIGHT

MOD BUS	I

CASCADE	J

Sub	Parameter Name	See	Min	Max	Default	User	Installer
Sub	Parameter Name	See
Item	(as shown on the LCD screen)	Page	Value	Value	Value	Access	Access
1	HWG Night Setback Offset Temp	22	0	90	0	No	Yes

2	HWG Night Setback Mon End	22	N/A	N/A	N/A	No	Yes

3	HWG Night Setback Mon Begin	22	N/A	N/A	N/A	No	Yes

4	HWG Night Setback Tue End	22	N/A	N/A	N/A	No	Yes

5	HWG Night Setback Tue Begin	22	N/A	N/A	N/A	No	Yes

6	HWG Night Setback Wed End	22	N/A	N/A	N/A	No	Yes

7	HWG Night Setback Wed Begin	22	N/A	N/A	N/A	No	Yes

8	HWG Night Setback Thur End	22	N/A	N/A	N/A	No	Yes

9	HWG Night Setback Thur Begin	22	N/A	N/A	N/A	No	Yes

10	HWG Night Setback Fri End	22	N/A	N/A	N/A	No	Yes

11	HWG Night Setback Fri Begin	22	N/A	N/A	N/A	No	Yes

12	HWG Night Setback Sat End	22	N/A	N/A	N/A	No	Yes

13	HWG Night Setback Sat Begin	22	N/A	N/A	N/A	No	Yes

14	HWG Night Setback Sun End	22	N/A	N/A	N/A	No	Yes

15	HWG Night Setback Sun Begin	22	N/A	N/A	N/A	No	Yes
1	ModBus Active / Inactive	23	ACTIVE	INACTIVE	INACTIVE	No	Yes

2	ModBus Out of Order Timer	23	5	120	30	No	Yes
1	Cascade Active / Inactive	23	ACTIVE	INACTIVE	INACTIVE	No	Yes

2	Cascade Address	23	0	7	1	No	Yes

3	Cascade Offset	23	0	40	10	No	Yes

4	Cascade Differential	23	0	72	20	No	Yes
5	Max Boiler Setpoint for Cascade	23	32	185	185	No	Yes

6	Cascade Type	23	N/A	N/A	N/A	No	Yes

7	Block Time Switching Boiler On / Off	23	0	255	60	No	Yes

8	Minimum Next On Time	24	0	255	60	No	Yes

9	Rate % to Switch On Next Boiler	24	1	100	80	No	Yes

10	Rate % to Switch Off Last Boiler	24	1	100	10	No	Yes

11	Number of Boiler Pumps Always On	24	0	8	0	No	Yes

16

Image 16

Lochinvar 3.5, 1.5, 2.5 service manual Service, Parameter table, Setback, Hwg Night, Cascade

Contents

Models DANGER Hazard definitionsContents Please read before proceeding Handling ceramic fiber materialsREMOVAL OF COMBUSTION CHAMBER LINING NIOSH stated First AidWhen servicing boiler Boiler operationBoiler water Freeze protection fluidsWhat is in this manual? ServiceMaintenance Troubleshooting1 Service Boiler piping1 Service continued Home Screen1 Service Control inputsSMART CONTROL MODULE Control outputs SMART CONTROL MODULELOW VOLTAGE CONNECTION BOARD LINE VOLTAGEGeneral Operation 1 ServiceAccess modes Figure 1-3 Password ScreenFigure 1-5 Initial Setup Screen Figure 1-4 Setup ScreenTo adjust and save parameters reference FIG 1 Service Sequence of operationTable 1A Sequence of Operation Parameter table 1 Service DELAYParameter table RAMPSETUP Parameter tableSETBACK SH NIGHT1 Service Parameter tableSETBACK HWG NIGHTParameter table PUMPSViewable and changeable control parameters 1 ServiceA Initial Setup B Set PointsC Outdoor Reset Figure 1-6 Outdoor Air Reset Curve1 Service D Ramp DelayShift OA Reset Curve Boost TemperatureF Advanced Setup E BMS1 Service G/H SH/HWG Night SetbackI ModBus J CascadeCascade Offset Minimum On/Off Time1 Service K PumpsL Service Notification Service Notification in MonthsService Notification Running Hours Service Notification Cycles1 Service Cascade Screen Figure 1-8 Cascade ScreenFigure 1-9 Graph Screen Parameter Selection Graph ScreenFigure 1-10 Graph Screen Figure 1-11 History Screen Lockout Faults 1 Service History ScreenFigure 1-12 Graph Screen Blocking Faults History Screen Figure 1-13 History Screen Runtime HistoryService Screen Figure 1-14 Service Screen2 Maintenance Maintenance and annual startup Service technicianOwner maintenance see the following pages for instructions2 Maintenance Address reported problemsClean condensate trap Inspect boiler area2 Maintenance continued Flue vent system and air pipingCheck water system Check expansion tankCheck ignition ground wiring Check all boiler wiringCheck control settings Check flame signalCleaning boiler heat exchanger Review with owner2 Maintenance continued Handling ceramic fiber materials3 Troubleshooting Before troubleshootingCheck the following Check control module fuses3 Troubleshooting continued FAULTCAUSE CORRECTIVE ACTION3 Troubleshooting Checking temperature sensorsTable 3E - Flue Sensor Resistance vs. Temperature 3 Troubleshooting continued FAULTTable 3F Troubleshooting Chart - Noisy System CAUSEFAULT DESCRIPTIONCORRECTIVE ACTION 3 Troubleshooting3 Troubleshooting continued FAULTDESCRIPTION CORRECTIVE ACTION3 Troubleshooting FAULTDESCRIPTION CORRECTIVE ACTION3 Troubleshooting continued FAULTDESCRIPTION CORRECTIVE ACTION3 Troubleshooting FAULTDESCRIPTION CORRECTIVE ACTIONTroubleshooting continued DESCRIPTIONFAULT CORRECTIVE ACTION3 Troubleshooting FAULTDESCRIPTION CORRECTIVE ACTION3 Troubleshooting continued FAULTDESCRIPTION CORRECTIVE ACTION3 Troubleshooting FAULTDESCRIPTION CORRECTIVE ACTION3 Troubleshooting continued FAULTDESCRIPTION CORRECTIVE ACTION3 Troubleshooting FAULTDESCRIPTION CORRECTIVE ACTION3 Troubleshooting continued FAULTDESCRIPTION CORRECTIVE ACTIONCombustion Analysis Procedure POSSIBLE CAUSE3 Troubleshooting CORRECTIVE ACTIONGas valve adjustment procedure 3 Troubleshooting continuedFigure 3-2 Gas Valve Adjustment Models 1.5 and Figure 3-3 Gas Valve Adjustment ModelPage Page FB-SERRev B 7/11