Lochinvar 000, 1 warranty Points From Information, Visible From The Screen Of, The Command Display

10. O.A. Temp.— A display of the outdoor air temperature as sensed by the optional outdoor air reset sensor.

NOTE:

Allow 10 seconds for data shown in the display screens to update when viewing or making adjustments to any of the six adjustable points.

to drop lower (Changeable Point from the Command Display).

11.

Max. SetPoint — The maximum water temperature

POINTS FROM INFORMATION

the boiler or water heater may be set to operate at

VISIBLE FROM THE SCREEN OF

(Changeable

from

the

Command

Display).

THE COMMAND DISPLAY

12.

Min. SetPoint — The minimum water temperature the

boiler or

water

heater may be

set

to

operate at. This

1.

Calculated

Set Point

— The

water

temperature

as

temperature

is

established

in

the configuration

process

adjusted

by

an

optional

outdoor

reset

function

at the factory.

used on a heating boiler only. If no outdoor reset

function

is

used,

this

displays

the

same

13.

Total

Run

Time —

The

accumulated

number

of

temperature

as

the set point.

Outdoor

Air

Reset

hours

that

the

boiler

or

water

heater

burner

has

function not available on a water heater application.

been in operation. Time is accumulated in one hour

2.

Set

Point

Temp

—

The desired

water temperature

increments and

can

total

up

to 99,999 hours

before

rolling over to restart the accumulation process.

as adjusted by the owner/operator. This becomes

the lowest boiler operating temperature

when

an

14.

Sequencing

Type

—

The

type

of

sequencing

optional outdoor reset function is used (Changeable Point

selected

for

operation

of

multiple

units,

FOFO,

from the Command Display).

FOLO, etc., when ordered as an option.

See

3.

Return/Inlet Temp — The temperature of the water

“Sequencing

Options”

(Changeable

Point

from

the Command Display).

entering the boiler or water heater, a basic thermometer

function to display inlet water temperature.

15.

Percent Modulation — The percent of maximum

4.

Supply/Outlet

Temp

—

The

temperature

of

the

input

that

the

burner

is

actually

firing

at.

This

may vary from 25% up to 100% of rate based on demand.

water leaving the boiler or water heater, a basic

thermometer function to display outlet water 16.

Auxiliary Relay — The “ON” or “OFF” status of an

temperature.

additional relay to indicate

a

specified function

of

5.

Temp. Rise — The difference between

inlet

and

the unit.

outlet water temperature at the boiler

or

water

17.

Percent Bypass — The percent that the bypass valve is

heater to show the water temperature rise.

open to allow heated discharge water

to

be

6.

Status —

Displays current

status

of

the

control as

recirculated into the inlet of the primary heat

exchanger

in order to control condensate formation on the primary

the

appliance

is

going through

its firing

sequence

heat

exchanger.

0%

indicates

that

the valve

is fully

and

possible

faults

that

could

occur

and

the

closed and 100% indicates that

the valve is fully open.

condition

of each.

See Status

Point Modes

and

The

percentage

will

vary

with

valve

operation.

Alarms.

7.O.A. Lockout — The maximum outdoor air 18. Bypass Temp. — A display of the water

temperature where

the

boiler

will

continue

to

temperature

in

the

inlet

to

the primary

heat

exchanger

after

being mixed with hot discharge

operate.

When

the

outdoor

temperature rises

water

from

the

bypass

piping

when the

bypass

above

this

setting,

no

heat

should

be

needed

for

valve is open.

the building and the boiler

will

lockout

and

not

fire.

19.

Operating

Sensor —

A

display

which

indicates

8.

O.A. Max

—

The

warmest

outdoor

air

temperature

the

location

of

the operating sensor in the unit.

The

operating

sensor

may

be

in

the

where

the

boiler

reset

function

will

begin

to

Return/Inlet

or

Supply/Outlet of the boiler or water

function and

operate

the

boiler

at

the

initial

heater (Changeable Point from the Command Display).

set point temperature. The boiler set point will

increase based on a corresponding drop

in

outdoor

20.

Heater Pump — The “ON” or “OFF” status of the

temperature below this temperature.

integral circulating pump for the boiler or water

9.

O.A. Min — The coldest outdoor air

temperature

heater.

where the boiler reset function will

reach

a

21.

Heater

I.D. —

An

indication

of

whether

the unit

maximum

boiler

water

temperature.

No

additional

is

a boiler

or

water

heater

(Changeable

Point

reset

(increase)

in

boiler

temperature

will

occur

from the Command Display).

past

this

point

as

outdoor

temperature

continues

41