Installation & Operation Manual

11 Operating information

Status Display Screens (cont’d)

Section

Display

Description

 

SYSTEM:

The temperature read by the system supply sensor (if connected).

 

 

 

 

TANK:

The temperature read by the tank sensor (if connected).

 

 

 

 

OUTDOOR:

The temperature read by the outdoor sensor (if connected).

 

 

 

 

INLET TEMP:

The temperature read at the inlet to the heat exchanger.

 

 

 

 

OUTLET TEMP:

The temperature read at the outlet of the heat exchanger.

 

 

 

 

DELTA T:

The temperature difference between the inlet and the outlet of the

 

heat exchanger.

 

 

 

 

 

 

FLUE TEMP:

The temperature read by the flue sensor.

 

 

 

 

FLAME CURRENT:

The current measured by the flame sense circuit.

 

 

 

 

FAN SPEED:

The speed of the combustion blower.

C

 

 

BOILER PUMP:

The status of the boiler pump output.

(Operational

 

 

SYSTEM PUMP:

The status of the system pump output.

Information)

 

 

DHW PUMP:

The status of the DHW pump output.

 

 

 

 

 

BMS VOLTAGE:

The voltage received from a BMS system.

 

 

 

 

BLR PUMP OUTPUT:

The speed signal sent to a variable speed boiler pump in percent.

 

 

 

 

SYS PUMP INPUT:

The speed signal received from a variable speed system pump control.

 

 

 

 

RATE OUTPUT:

A 0 - 10V signal indicating the firing rate of the boiler.

 

 

 

 

SH RUN HOURS:

The total hours of operation in the Space Heating Mode.

 

 

 

 

SH CYCLES:

The total burner cycles in the Space Heating Mode.

 

 

 

 

DHW RUN HOURS:

The total hours of operation in the DHW Mode.

 

 

 

 

DHW CYCLES:

The total burner cycles in the DHW Mode.

 

 

 

 

LAST 10 FAULTS NO:*

The last 10 lockouts.

 

 

 

 

MENU

Press and hold the LEFT SELECT key for 5 seconds to enter the Menu

 

Screen.

 

 

 

 

 

 

EXIT

Press the LEFT SELECT key to exit the current screen or setting.

D

 

 

YES

Press the LEFT SELECT key to confirm that the boiler needs to

(LEFT SELECT

shutdown.

 

key function)

LIMITS

Press the LEFT SELECT key to enter the screen that allows you to

 

adjust the limit settings.

 

 

 

 

 

 

HOME

Press the LEFT SELECT key to return to the Status Screen and upload

 

parameter changes.

 

 

 

 

 

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Lochinvar 801, 400 operation manual Information

400, 801 specifications

The Lochinvar 801,400 is a cutting-edge solution in the realm of high-efficiency commercial water heating. This model represents a significant advancement in the design and functionality of water heaters, catering primarily to the demands of large-scale facilities like hotels, hospitals, and large industrial operations.

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