beautypg.com

Operating information – Lochinvar Knight 80 - 285 User Manual

Page 63

background image

Installation & Operation Manual

63

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

#7

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 0-10Vdc 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 #8.

#8

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.

BLR PUMP: OFF

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
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.

ON

The control has received a call for heat from a remote thermostat or
a 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 access Screen #9.

11

Operating information

(continued)