Emerson 1F92 User Manual

Page 23

Advertising
background image

21

CAUTION

!

COOLING SYSTEM

COOLING SYSTEM

COOLING SYSTEM

COOLING SYSTEM

COOLING SYSTEM

To prevent compressor and/or
property damage, if the outdoor
temperature is below 50°F
(10°C), DO NOT operate the
cooling system.

1. Press PROGRAM

RUN

.

2. Press

SYSTEM

until

COOL

COOL

COOL

COOL

COOL is

displayed.

3. Press

to adjust thermostat

setting below room temperature.
The fan should come on (after the
fan-on delay time, if any), followed
by cold air circulation.

4. Press

to adjust tempera-

ture setting above room temperature.
The cooling system should stop
operating, and the fan should stop

running (after the fan-off delay time,
if any).

MULTI-STAGE/HEAT PUMP

MULTI-STAGE/HEAT PUMP

MULTI-STAGE/HEAT PUMP

MULTI-STAGE/HEAT PUMP

MULTI-STAGE/HEAT PUMP
AUXILIARY OPERATION

AUXILIARY OPERATION

AUXILIARY OPERATION

AUXILIARY OPERATION

AUXILIARY OPERATION
TEST

TEST

TEST

TEST

TEST

Follow these steps to energize all
stages of heat or cool to permit
system checks during installation.

HEAT: Press

to raise

temperature setting to 99°F, then
hold for five seconds. The second
and third stage heat relays will
energize immediately for test
purposes. The LED indicator will
glow green for first stage and yellow
for second stage.

COOL: Press

to lower

temperature setting to 45°F, then
hold for five seconds. The second
stage cool relay will energize
immediately for test purposes. The
LED indicator will glow green for
first stage and yellow for second
stage.

EMERGENCY (heat pump only):
Press

SYSTEM

to select EMER

mode. The LED indicator will glow
red for emergency mode. A flashing
light indicates a malfunction in the
system.

Advertising