Smart Temp SMT?770 Installer Manual - The

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P a g e

If

you

choose

not

to

use

commissioning

mode

you

may

see

various

words

and

Icons

flashing

in

the

LCD

whenever

a

time

period

is

in

use.

For

example,

the

word

“HEAT”

may

flash

to

indicate

heating

is

required

but

being

held

off

by

the

4

minute

anti

‐

cycle

timer.

Or

the

word

“HEATING”

may

be

flashing

to

indicate

set

point

has

been

achieved

however

heating

is

being

held

ON

by

the

minimum

run

timer.

The

golden

rule

with

the

SMT

‐

770

is

anything

that

flashes

is

a

timer

overriding

what

would

normally

be

expected

to

occur;

either

a

function

is

being

held

on

or

off

momentarily.

Please

be

patient.

Test

fan

operation.

With

the

thermostat

OFF

(tap

the

mode

button

to

show

OFF

in

the

LCD).

Simply

tap

the

fan

button

to

cycle

through

the

available

fan

speeds.

As

the

LCD

changes

to

show

the

fan

speed

or

fan

mode

you

should

here

faint

“clicks”

as

the

SMT

‐

770

internal

relays

change,

the

equipment

fan

speed

should

change

accordingly.

Test

heating

and

cooling

(if

both

fitted).

Turn

the

SMT

‐

770

to

Auto

season

change

mode

by

tapping

the

mode

button

until

the

words

“Heat”

and

“Cool”

are

shown

on

the

LCD.

Using

the

temp

or

Temp

button

set

the

desired

temperature

a

few

degrees

below

the

ambient

temperature.

After

a

few

moments

you

will

hear

a

click

and

the

word

“Heat”

will

change

to

“Heating”.

Verify

that

the

heating

system

is

on

and

operating