Lochinvar 752, 502, 2001, 1701, 1302, 1002, 1501 user manual Delay, 10V in **.VDC

Page 15

User’s Information Manual

3SMART SYSTEM control module (continued)

Status Display Screens (cont’d)

By using the Previous/Next (￿, ￿) arrow keys on the SMART SYSTEM display panel, you can navigate through the nine (9) display screens. Each screen will contain two (2) viewable items. The following is a description of the individual items and what they can display:

Screen

Display shows:

Description

 

SH CFH: OFF

The control has not received a call for heat from a SH remote

 

thermostat.

 

 

 

 

 

 

ON

The control has received a call for heat from a SH remote thermostat.

#7

 

 

DHW CFH: OFF

The control has not received a call for heat from a tank sensor or tank

 

 

thermostat.

 

 

 

 

 

 

ON

The control has received a call for heat from a tank sensor or tank

 

thermostat.

 

 

 

 

 

Press the Next ￿ arrow key on the SMART SYSTEM display to access Screen #8.

#8

DHW PUMP: OFF

The control has not received a DHW call for heat and has not powered

the DHW pump.

 

 

 

ON

The control has received a DHW call for heat and has powered the

DHW pump.

 

 

 

Delay

The DHW call for heat has been satisfied and the DHW pump is

running for a fixed time to remove any residual heat.

 

 

 

0-10V IN: **.VDC

The control will display a 0-10 VDC signal received from a Building

Management System (BMS) connected to the unit.

 

 

 

Press the Next ￿ arrow key on the SMART SYSTEM display to access Screen #9.

#9

SYS PUMP: OFF

The control has not received a call for heat from a remote thermostat

and has not powered the system pump.

 

 

 

ON

The control has received a call for heat from a remote thermostat and

has powered the system pump.

 

 

 

Delay

The system call for heat has been satisfied and the system pump is

running for a fixed time to remove any residual heat.

 

 

 

 

The control has either not received a call for heat from a remote

 

thermostat, a remote thermostat is not connected to the unit and the

BLR PUMP: OFF

water temperature has not dropped below the temperature set point of

 

the control to initiate a call for heat, or the control has received a DHW

 

call for heat from a DHW thermostat.

 

 

 

The control has received a call for heat from a remote thermostat or a

ON

remote thermostat is not connected and the water temperature has

dropped below the temperature set point of the control to initiate a call

 

 

for heat.

 

 

Delay

The call for heat has been satisfied and the boiler pump is running for

a fixed time to remove any residual heat.

 

 

 

Press the Next ￿ arrow key on the SMART SYSTEM display to roll back to Screen #1. At any point if you wish to access an earlier screen, press the Previous ￿ arrow key on the SMART SYSTEM display.

15

Image 15
Contents Save this manual for future reference Models 502, 752, 1002 1501, 1701, Up To 51 TurndownHazard definitions ContentsChecking equipment Please read before proceedingCodes Maintenance schedule Service technician Owner maintenanceSee the following pages for instructions Maintenance procedures Maintenance scheduleCheck appliance piping gas and water Test low water cutoff if installedReset button low water cutoff Inspect condensate systemOperating instructions Smart System control module Power-fin control moduleAccess modes InstallerModify Display Parameter tableData logging Temperature settings boiler onlyViewable and changeable control parameters GeneralDHW settings Status display screens Control will display the actual fan motor RPM SYS ***FSysrt Valve ***%10V in **.VDC DelayPBX-PFX-USER-Rev B CP-2M-8/07
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1501, 1002, 1302, 1701, 2001 specifications

Lochinvar 2072,502 is an innovative and robust water-heating solution tailored for residential and commercial applications. This model represents a significant advancement in energy efficiency and performance, catering to the dynamic heating requirements of modern buildings.

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