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.

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

1501, 1002, 1302, 1701, 2001 specifications

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