Lochinvar 402 - 2072 Screen #5, Screen #6, Screen #7, Screen #8, Line, Operating information

Models: 402 - 2072

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Installation & Operation Manual

7 Operating information

Status Display Screens (cont’d)

By using the Previous/Next (, ) arrow keys on the SMART SYSTEM display panel, you can navigate through the 11 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

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

Screen #5

0 – 10V BMS: **.*V

The control displays the BMS voltage input from 0 to 10 volts.

Line 1

 

 

 

 

 

Screen #5

STG DEMAND: ****

The control displays the number of stages being called by the control.

Line 2

 

 

 

 

 

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

Screen #6

FAN SPEED: ***

The control will display either OFF, LOW, or HIGH depending upon

Line 1

fan speed requirements of number of stages firing.

 

 

 

 

 

 

 

Screen #6

0 – 10V RATE: **.*V

The control will display 0 to 10 volts based upon the number of stages

Line 2

firing.

 

 

 

 

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

Screen #7

SH CFH: ***

The control will display either ON or OFF based upon a demand (call

Line 1

for heat) for space heating.

 

 

 

 

 

 

 

Screen #7

WHR CFH: ***

The control will display either ON or OFF based upon a demand (call

Line 2

for heat) for DHW (domestic hot water).

 

 

 

 

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

Screen #8

SYS PUMP: ***

The control will display either ON or OFF based upon system pump

Line 1

requirements upon demand for space heating.

 

 

 

 

Screen #8

SYSPUMPSPD: **.*V

The control will display the 0 – 10V input voltage from the system

Line 2

pump based upon system pump speed.

 

 

 

 

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

 

UNIT PUMP: ***

The control will display either ON or OFF based upon unit pump

Screen #9

requirements upon demand for space heating.

 

Line 1

 

 

UNIT PUMP: DELAY

The control will display delay in unit pump operation after the space

 

 

heating requirements have been satisfied.

 

 

 

 

 

 

DHW PUMP: ***

The control will display either ON or OFF based upon unit pump

Screen #9

requirements upon demand for DHW.

 

Line 2

DHW PUMP: DELAY

The control will display delay in unit pump operation after the DHW

 

 

requirements have been satisfied.

 

 

 

 

 

Screen #5 60 Screen #6

Page 60
Image 60
Lochinvar 402 - 2072 Screen #5, Screen #6, Screen #7, Screen #8, Line, Operating information, Display shows, Screen #9