User’s Information Manual

4SMART SYSTEM control module

Status Display Screens (cont’d)

By using the Previous/Next (￿, ￿) arrow keys on the SMART SYSTEM display panel, you can navigate through the eight (8) 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

 

SYS: ***.*F

If the system supply sensor has not been selected as the control

 

sensor, only the system temperature will be displayed.

 

 

 

 

 

 

 

When the system supply sensor has been selected as the control sensor,

 

***.*F (***)

the control will display the system temperature as well as the set point

 

 

in parenthesis.

 

 

 

 

Open

The control does not detect the system supply sensor.

#3

 

 

Shorted

The system supply sensor wires or the sensor itself has become

 

grounded.

 

 

 

OUTDOOR: ***.*F

The control will display the outdoor air temperature as sensed by the

 

outdoor air sensor.

 

 

 

 

 

 

Open

The control does not detect the outdoor air sensor.

Shorted

The outdoor air sensor wires or the sensor itself has become shorted.

Press the Next ￿ arrow key on the SMART SYSTEM display to access Screen #4.

#4

FLUE: ***.*F

The control will display the flue temperature.

 

 

Open

The control does not detect the flue sensor.

 

 

Shorted

The flue sensor wires or the sensor itself has become shorted.

 

 

AUX: ***.*F

The control will display the temperature.

Open

The control does not detect the auxiliary sensor.

Shorted

The auxiliary sensor wires or the sensor itself has become shorted.

Press the Next ￿ arrow key on the SMART SYSTEM display to access Screen #5.

#5

FAN SPD: ****RPM

The control will display the actual fan motor RPM.

 

 

FLAME SIG: **.*uA

The control will display the flame signal in dc microamps.

 

 

Press the Next ￿ arrow key on the SMART SYSTEM display to access Screen #6.

#6

SH CFH: OFF

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

 

 

ON

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

 

 

DHW 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 DHW thermostat.

 

 

Press the Next ￿ arrow key on the SMART SYSTEM display to access Screen #7.

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Lochinvar 210, 50 manual Sys ***.*F, Control will display the actual fan motor RPM

50, 210 specifications

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