PTAC Series - EMI RetroAire

PTAC Series - EMI RetroAire
ENVTRoair
E IIIII-
PTAC Series
Packaged Terminal Air Conditioner/Heat Pump
Installation, Operation &
Maintenance Manual
l
� ECR internatio11�J
A Family of Heating & Cooling Brands.
ENVIROair
ECR International, Inc.
2201 Dwyer Avenue• Utica, New York 13501
Phone: 800.325.5279• Web: enviromaster.com
PN 615000151 REV B, [09/2015]
CONTENTS
1. SAFETY PRECAUTIONS..................................................................................2
2. IMPORTANT SAFETY INSTRUCTIONS ...........................................................4
3. AIR CONDITIONER FEATURES......................................................................5
4. CONTROL PANEL OPERATION.......................................................................6
5. INSTALLATION ............................................................................................7
6. CARE AND CLEANING...................................................................................9
7. TROUBLESHOOTING....................................................................................10
Read This Manual
Inside you will find many helpful hints on how to use and maintain your air conditioner properly.
Just a little preventive care on your part can save you a great deal of time and money over
the life of your air conditioner. You’ll find many answers to common problems in the chart of
troubleshooting tips. If you review our chart of Troubleshooting Tips first, you may not need to call
for service at all.
! CAUTION
• If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or
similarily qualified persons in order to avoid a hazard.
• the appliance shall be installed in accordance with national wiring regulations.
• Do not operate your air conditioner in a wet room such as a bathroom or lundry room.
• The appliance with electric heater shall have at least 1 meter space to the combustible
materials.
• Contact the authorized service technician for repair or maintenance of this unit.
• Contact the authorized installer for installation of this unit.
1
SAFETY PRECAUTIONS
To prevent injury to the user or other people and property damage, the following instructions must
be followed. Incorrect operation due to ignoring of instructions may cause harm or damage. The
seriousness is classified by the following indications.
!
WARNING
This symbol indicates the possibility of death or serious injury.
!
CAUTION
This symbol indicates the possibility of injury or damage to property.
Meanings of symbols used in this manual are as shown below.
Never do this.
!
Always do this.
! WARNING
!
!
!
!
!
Do not operate or stop the
unit by inserting or pulling
out the power plug.
Do not damage or use an
unspecified power cord.
Otherwise, it may cause electric
shock or fire due toexcess heat
generation.
It may cause electric shock or fire
due to heat generation.
Do not modify power cord
length or share the outlet
with other appliances.
Do not operate with wet
hands or in damp
environment.
It may cause electric shock or fire.
If the power cord is damaged, it must
be replaced by the manufacturer or
an authorized service centre or a
similarly qualified person in order to
avoid a hazard.
It may cause electric shock or fire
due to heat generation.
It may cause electric shock.
Plug in power cord
properly.
Always ensure effective
grounding.
Do not allow water to run
into electric parts.
!
Incorrect grounding may cause
electric shock.
It may cause machine failure or
electric shock.
Incorrect installation may cause fire
and electric shock.
Unplug the unit if strange
sounds, smell, or smoke
comes from it.
It may cause fire and electric
shock.
Do not use the power cord
close to heating appliances.
It may cause fire and electric shock.
Do not use the socket if it is
loose or damaged.
It may cause fire and electric shock.
Do not use the power
cord near flammable gas
or combustibles, such as
gasoline, benzene, thinner,
etc.
It may cause an explosion or fire.
2
Always install circuit
breaker and a dedicated
power circuit.
Do not open the unit
during operation.
It may cause electric shock.
Do not disassemble or
modify unit.
It may cause failure and electric
shock.
! CAUTION
When the air filter is to be
removed, do not touch the
metal parts of the unit.
Do not clean the air conditioner
with water.
Do notoperate unit where pet or
house plant will be exposed to
direct air flow.
When the unit is to be
cleaned, switch off, and turn off
the circuit breaker.
Do not clean unit when power is
on as it may cause fire and electric
shock, it may cause an injury.
!
Stop operation and close
the window in storm or
hurricane.
Failure to follow these
instructions may cause failure of
appliance or personal injury.
Do not use strong detergent
such as wax or thinner but use a
soft cloth.
Appearance may be deteriorated
due to change of product color
or scratching of its surface.
!
!
Do not use this air conditioner to
preserve precision devices, and art
objects. It may cause deterioration
of quality, etc.
Do not remove plug from wall
socket by pulling on plug.
!
Failure to follow these
instructions may cause electric
shock or damage.
Operation with windows
opened may cause wetting of
indoor and soaking of household furniture.
Do not place obstacles around
air-inlets or inside of air-outlet.
Do not use for special
purposes.
This could injure the pet or plant.
!
!
Ensure the appliance sleeve
and unit are not damged due to
prolonged exposure to weather.
If sleeve is damaged, unit may
cause property damage or
personal injury.
Ventilate the room well when
used together with a stove, etc.
An oxygen shortage may occur.
Water may enter the unit and degrade the insulation. It may cause
an electric shock.
It may cause an injury.
!
!
Turn off main power switch when
not using the unit for a long time.
It may cause failure of product or
fire.
!
Always insert the filters securely.
Clean filter once every two
weeks.
Operation without filters may
cause appliance failure.
Do not place heavy object on the
power cord and ensure that the
cord is not compressed.
Do not drink water drained from
air conditioner.
Failure to follow these instructions
may cause fire or electric shock.
Water from unit contains
contaminants and could make
you sick.
Use caution when unpacking and
installing. Sharp edges could cause injury.
!
Clean the evaporator once every three
months by professional installer.
Otherwise it may cause failure of electric
heating feature.
3
If water enters the unit, turn the unit off at the power
outlet and switch off the circuit breaker. Isolate supply by
taking the power-plug out and contact a qualified service
technician.
IMPORTANT SAFETY INSTRUCTIONS
NOTE The power supply cord with this air
conditioner contains a current detection
device designed to reduce the risk of fire.
Please refer to the section Operation of
Current Device for details.
In the event that the power supply cord
is damaged, it cannot be repaired-it must
be replaced with a cord from the Product
Manufacturer.
Do not, under any
circumstances, cut,
remove, or bypass
the grounding prong.
Power supply cord
with 3-prong grounding plug
and current detection device
WARNING
For your safety
Do not store or use gasoline or other flammable vapors and liquids in
the vicinity of this or any other appliance.
Avoid fire hazard or electric shock. Do not use an extension cord or an
adaptor plug. Do not remove any prong from the power cord.
WARNING
Electrical Information
Be sure the electrical service is adequate for the model you have
chosen. This information can be found on the serial plate, which is
located on the side of the cabinet and behind the grille.
Be sure the air conditioner is properly grounded. To minimize shock
and fire hazards, proper grounding is important. The power cord is
equipped with a three-prong grounding plug for protection against
shock hazards.
Your air conditioner must be used in a properly grounded wall
receptacle. If the wall receptacle you intend to use is not adequately
grounded or protected by a time delay fuse or circuit breaker, have a
qualified electrician install the proper receptacle.
Ensure the receptacle is accessible after the unit installation.
Do not run air conditioner without side protective cover in place.
This could result in mechanical damage within the air conditioner.
Do not use an extension cord or an adapter plug.
NOTE:
The shape may be different according to its model:
Power Card
Power Suppy
230V,15A
230V,20A
230V,30A
4
Operation of Current Device(optional)
The power supply cord contains a current device that senses damage to the power cord. To test your power
supply cord do the following:
1. Plug in the Air Conditioner.
2. The power supply cord will have TWO buttons on the plug head. Press
the TEST button, you will notice a click as the RESET button pops out.
3. Press the RESET button, again you will notice a click as the button
engages.
4. The power supply cord is now supplying electricity to the unit. (On
some products this it also indicated by a light on the plug head.)
NOTES:
Do not use this device to turn the unit on or off.
Always make sure the RESET button is pushed in for correct operation.
The power supply must be replaced if it fails reset when either the TEST button is pushed, or it cannot be reset.
A new one can be obtained from the product manufacturer.
If power supply cord is damaged, it cannot be repaired. It MUST be replaced by one product obtained from the
manufacturer.
When 265V units are to be installed,the power supply must be permanent wiring.Permanent wiring may be done
through the accessory subbase.An exposed cord connection on 265V units are not permitted.
AIR CONDITIONER FEATURES
This unit has many featrues.The servicer must be
familiar with these features in order to properly service
the unit.
Compressor Restart Delay
This feature extends the overall life of compressor
by preventing the short-cycling of the air conditioner.
When the compressor restarts,the unit is designed
to give a minimum of three minutes to have a time
of equalizing the refrigerant pressures for optimizing
cycling.
Memory
The unit has memory. If power is lost,all of the control
settings(mode, fan speed, on/off and configuration)
are remembered. So when power is restored, the unit
will start back up in the mode (and configuration) it
was in, when power was lost.
Automatic Evaporator Freeze Protection
Automatically to keep the evaporator from freezing,
the compressor is turned off and indoor fan is turned
on when the evaporator temperature is too lower. If
evaporator temperature is not too lower this function
is off.
Automatic Quick Warm-up (for heat
pump models only)
If the room temperature falls to 4.5°C/8°F
below the set point temperature, the reverse cycle
heat is shut off and the electric strip heat is turned
on for one cycle, until heating is satisfied.
LED Indicators and Buttons
The touch pad has buttons for MODE,FAN, POWER,
SETPOINT UP and SETPOINT DOWN.
It also has LEDs that correspond to the mode, fan
speed, power and setpoint operation,t o indicate the
unit’s status. LEDs for HIGH, MED and LOW indicate
the fan speed that is selected. LEDs for FAN,COOL
and HEAT indicate what operating mode is active.
LED for POWER is the unit ON/OFF status LED.If the
unit is in ON mode, the LED will be green.If the unit is
OFF,the LED will be off.
NOTE: HEAT mode is for Cooling & Heating models only
High Temperature Protection In Heating
Operation
The compressor and(or) electric heater will be
switched off to prevent damage in high indoor blow
air temperature or error indoor temperature sensor.
Unit Configuration
°F or °C
The unit can display in either °F or °C.
5
CONTROL PANEL OPERATION
The control panel keypad will look like the following
Fig.1. For some models with REMOTE SIGNAL RECEPTOR,
the unit can be controlled by the control panel alone or by the
remote. NOTE: Some models do not have REMOTE SIGNAL
RECEPTOR.
NOTE: If the unit has DIP SWITCHES feature, the temperature
range can be set/controlled by the DIP SWITCHES. See “DIP
SWITCHES CONFIGURATIONS” on page 8 for details.
UP/DOWN BUTTONS (+/-)
-Push the UP (or DOWN) button to increase (or
decrease) the set temperature of the unit in cooling or
heating mode.The temperature can be set by
increments of 1°C (1°F).The setting temperature
appears in the display.
Fig.1
NOTE:Press and hold “+” and “-” buttons together for 3
seconds will alternate the temperature display between “°C”
&”°F” scale.
FAN (FAN SPEED)
- Every time you push this button,the fan speed
cycles through the settings as follows:HIGH-MEDLOW-HIGH.
POWER
- Press the POWER button to turn the unit on or off.
When the unit is on,the power indicator light will be
green.When the unit is off,the light will go out.
DISPLAYS:
-Shows the set temperature in °C or °F. While on
Fan only mode,it shows the room temperature.
Control code (on some models):
MODE
- Push this button to cycle through the modes from COOLHEAT-FAN-COOL.The indicator light beside the “MODE”
option will illuminate, identifying the mode selected.
- COOL:The range of set temperature is 17°C/62°F
~30°C/86°F.Cooling begins automatically when the
room temperature is above the set point,and stops
LC -Pads on the control panel is not available.The unit
can be setted by using wire cotroller only.
Error codes:
AS-Room temperature sensor error;
ES-Evaporator temperature sensor error;
CS-Condenser temperature sensor error;
OS-Outside temperature sensor error;
HS-Exhaust temperature sensor error;
NOTE:When error occurs,unplug the unit and plug
it back in.If error repeats, call for service.
Other codes:
LO- Room temperature is lower than 0°C/32°F;
HI- Room temperature is higher than 37°C/99°F.
NOTE: All the illustrations in this manual are
for explanation purpose only. Your air
conditioner may be slightly different.
The actual shape shall prevail.
NOTE:This air conditioner is designed to be
operated under condition as follows:
when the room temperature is 2°C(4°F) below the
set point.But the compressor will run 5 minutes at least in
COOL mode before stoping. The fan runs in continuous
mode.
- HEAT:The range of set temperature is 17°C/62°F
~29°C/84°F. For heat pump models,the unit can
alternate to run between in reverse cycle heat mode and
electric heater mode according to the difference between
the setting temperature and the room temperature.The
fan motor cycles on and off with the compressor and
electric heater.
NOTE:
The reverse cycle and electric heater cannot be run at the
same time. In following cases, it is normal that the reverse
cycle does not operate.
1.When the outdoor temperatrue is lower than
4°C/40°F or the room temperature falls to
4.5°C/8°F below the set point temperature.
2.There is a 3-minute minimum compressor run time at
any setting to prevent short cycling. The indoor fan
motors starts before the compressor and stops after the
compressor cycles off.
3.When frost builds up to the evaporator coils, the unit will
defrost automatically and the compressor will cycle off.
- FAN:Fan operation only without heating and cooling.
Cooling Outdoor temp:
operation
Heating
18-43°C/64-109°F
Indoor temp:
17-32°C/62-90°F
Outdoor temp:
-5-24°C/23-76° F
operation Indoor temp:
0-27°C/32-80°F
Note: Performance may be reduced outside of these
operating temperatures.
6
CONTROL PANEL OPERATION (CONTINUED)
THIS UNIT IS CONTROLLED BY WALL MOUNTED THERMOSTAT
7
DIP SWITCHES CONFIGURATIONS (Optional)
• REMOVING THE FRONT PANEL
t®
- Dip switches controls are located behind front panel,
through an opening below the control panel.To
access.remove front panel.See Fig.2.
- Dip switches are accessible without opening the
control box.See Fig.3.
· - Unit must be powered OFF to effectively change
their status.
�CD
- Pull out at the bottom to release it from the tabs CD
Then lift up (ID.
• DIP SWITCHES CONFIGURATIONS
Fig.2
- See Table 1 and Fig.4 for Dip Switches configurations
and functions of each dip switch position.
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Wall thermostat type
Heating type
:em·perature display type
Control type
'-. ----------S�tpoint limit 1
'--------------Setpoint limit 2
'--------------Fan CON/CYC for heating
Fan CbN/CYC for cooling
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Fig.3
Fig.4
Table 1-- DIP SWITCHES CONFIGURATIONS
No .
UP(ON)
DOWN(OFF)
S1
Electric Heat Only
Electric Heat and Pump Heat
S2
Temperature Display in °C
S3
Wall Thermostat Enable
Temperature Display in °F
Control Panel Enable
UP*UP:61°F-86°F(16°C-30 °C);
S4*S5 UP*DOWN:65°F-78°F(18°C-26°C);
DOWN*UP:�3°F-80°F(17°C-27° C);
DOWN*DOWN:68°F-75°F(20°C-24°C);
S6
Fan Continuous Run for Heating Fan Cycle for Heating
S?
Fan Continuous Run for Cooling
S9
Use some types of wall ·
T hermostat
Remarks
. For Heat Pump unit only
Fan Cycle for Cooling
Use PTAC other Wall
Thermostat
Two configurations (S4*S5)
combine to select set point
range.
you can consult with the
sales agency or manufacturer ·
for details
NOTE: on·heating mode, the setting temperature
• Heat and Cool Fan CON/CYC Dip-switches
. can not be higher than 29°C/84° F.
- Allows the fan to operate in continuous or cycle
• Electric Heat Only (for heat pump unit only)
modes while the unit is in heating and cooling mode.
- T his setting is typically used for Emergency Heating.
CON(Continuous)
• Wall Thermostat Enable
-Allows fan to run continuously,circulating air even when the
- A wired wall thermostat can be connected to the
temperature setting has been satisfied.This switch helps to
maintain the room temperature closer to the thermostat
unit .If it is,this dip switch must be moved to the
"'
setting. ·
Wall Thermostat Enable Position.before the wall
CYC(Cycle)
thermostat will begin control.
- This setting allows the fan to cycle on and off with the
• Setpoint Terpperature Limits
compressor or electric heater.The fan stops a short time
after the temperature setting is satisfied.
- Provides a restricted range of temperature control.
8
WALL THERMOSTAT TERMINAL (Optional)
• IMPORTANT: Only trained, qualified personnel
· should access electrical panel on unit and install
electrical accessories. Please contact your local
electrical contractor, dealer, or distributor for
assistance.
• Thermostat Wire Routing
Thermostat wire is field supplied. Recommended
wire gauge is 18 to 20 gauge solid thermostat wire.
NOTE: It is recommended that extra wires are run
to unit in case any are damaged during installation.
Thermostat wire should always be routed around
or under, NEVER through, the wall sleeve. The
wire should then be routed behind .the frorit panel
to the easily accessible terminal connector.
- Insert the wire connector of the wall thermostat into
the relevant terminal according to different shapes as
shown below.
Term.inal of some types of wall
thermostat
• Installation instruction of PTAC other Wall
Thermostat
- Remove the two screws as shown below and take the cover
panel down.
Remove the two screws
Take the cover panel down
Terminal of PTAC other Wall
Thermostat
Terminal of PTAC other Wall Thermostat
[0[0[0z [0z [0[· [0[0[0a.. [0[0[
THERMOSTAT WIRE ROUTING
(UNDER SLEEVE, BEHIND FRONT PANEL)
::::?
..........
z
0 0
LL
Fig. A - Proper Wire Routing Beneath Unit
NOTE: Refer to thermostat installation instructions
for details on installing wall thermostat.
• Installation· instruction of some types of wall
Thermostat (you can Consult with the
sales agency or manufacturer for details)
- Pull the dip switch to the DOWN(OFF) position as
shown below..
9
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DESIGNATION
.FC(L)
Front desk control terminal L
FC(N)
Front desk control terminal N
LOW-FAN
Low fan speed
HI-FAN
High fan speed
4-WAY
4-way valve; Reverse cycle (Energized in
Heat) For heat pump models
HEAT2
Electrical heater 2
HEAT1
Electrical heater 1
COMP
Compressor
24V(N)
24VAC terminal N(Neutral),Common
24V(L)
24VAC terminal L
::::.
INSTALLATION
Dimension of air conditioner
HOW TO INSTALL THE UNIT
! CAUTION
1067mm/42inch
There are sharp edges that can cause serious cuts.
When lifting the air conditioner,it is HEAVY.Use 2
people to lift.
408mm/16inch
- For existing sleeve,you should measure the wall
sleeve dimensions.
- Install the new air conditioner according to these
installation instructions to achieve the best
performance. All wall sleeves used to mount the new
air conditioner must be in good structural condition
and have a rear grille that securely attaches to the
sleeve or the flange of the sleeve to secure the new
air conditioner.
-To avoid vibration and noise,make sure the unit is
installed securely and firmly.
- When installing the sleeve,make certain there is
nothing within 20 of the back that would interfere
with heat radiation and exhaust air flow. (See Fig.2)
606mm/23.9inch
Dimension of sleeve assembly (optional)
1067mm/42inch
408mm/16inch
376mm/14.8inch
COOLED
AIR
WALL
SLEEVE
HEAT
RADIATION
Over 20
INTAKE
AIR
Shipping
tape
WALL
Fig.3
Fig.2
PREPARATION OF SLEEVE ASSEMBLY(optional)
- Refer to the installation instruction of sleeve assembly for
details.
PREPARATION OF REAR GRILLE ASSEMBLY(optional)
- Refer to the installation instruction of rear grille assembly
for details.
UNIT INSTALLATION
- Carefully remove shipping tapes from the front panel.
(See Fig.3)
- Pull out at the bottom to release it from the tabs .
- Then lift up .
Fig.4
Shipping
screw
- Remove the front panel. (See Fig.4)
- Remove the shipping screw from the vent door. (See Fig.5)
11
Fig.5
INSTALLATION CONTINUED
12
CARE AND CLEANING
- Removing Air Filter
FRONT PANEL AND CASE
- Turn unit off and disconnect power supply.To clean,
use water and a mild detergent. DO NOT use bleach
and abrasivers.Some commercial cleaners may
damage the plastic parts.
2 Air filters
Pull up
OUTDOOR COIL
- Coil on outdoor side of unit should be checked
regularly.Unit will need to be removed to inspect
dirt build-up that will occur on the inside of the
coil. If clogged with dirt and soot ,coil should be
professionally cleaned.Clean inside and outside of
outdoor coils regularly.
Fig.9
- Replacing Air Filter
NOTE: Never use a high-pressure spray on coil.
! CAUTION
UNIT DAMAGE HAZARD
Failure to follow this caution may result in equipment
damge or improper operation. Airflow restriction may
cause damage to the unit.
Push down
AIR FILTERS
IMPORTANT:TURN UNIT OFF BEFORE
CLEANING.
Fig.10
VENT DOOR FILTER
IMPORTANT:TURN UNIT OFF
BEFORE CLEANING.
- If vent door is open, access requires removal of the
unit from the wall sleeve. Clean vent filter twice a
year or as required.
- Make sure to remove the shipping screw from the
vent door.(See Fig.5)
- Rotate vent control lever to open vent door.(See
Fig.6)
- Remove four screws from the vent door filter.
(See Fig.11)
- First pull out vent door steel wire from the hole of
the vent door, then take off the vent door and filter.
(See Fig.11)
- Clean the filter. Dry thoroughly before replacing.
- Replace the vent door and filter,reinstall the four
screws.
- Reinsert the vent door steel wire into the hole of the
vent door.
Vent door
! CAUTION
UNIT DAMAGE HAZARD
Failure to follow this caution may result in
equipment damge or improper operation.
Do not operate unit without filters in place.If a filter
becomes torn or damaged,it should be replaced
immediately.
Operating without filters in place or with damaged
filter will allow dirt and dust to reach indoor coil and
reduce cooling,heating,airflow and efficiency of unit.
Airflow restriction may cause damage to unit.
- The most important thing you can do to maintain
unit efficiency is to clean the filters once every
two weeks as required.
Clogged filters reduce cooling,heating and airflow.
-Keeping filters clean will:
Decrease cost of operation.
Save energy.
Prevent clogged indoor coil.
Reduce risk of premature component failure.
control lever
Screws
Vent door
steel wire
-To Clean Air Filters:
Vacuum off heavy soil.
Run water through filter.
Dry thoroughly before replacing.
Fig.11
13
Vent door
Vent door
filter
TROUBLESHOOTING
POSSIBLE CAUSES
UNIT DOES NOT START
Unit may have become unplugged
Fuse may have blown
Circuit breaker may have been
tripped
Unit may be off
Unit may be in a protection mode.
UNIT NOT COOLING/HEATING
ROOM
Unit air discharge section is blocked
Temperature setting is not high or low
enough
Note:Setpoint limits may not allow
the unit to heat or cool the room to the
temperature desired. Check section on
dipswitch settings.
Unit air filters are dirty.
Room is excessively hot or cold when
unit is started.
Vent door left open.
Unit may be in a protection mode.
Compressor is in time delay.
DISPLAY HAS STRANGE
NUMBERS/CHARACTERS ON IT
UNIT MAKING NOISES
WATER DRIPPING OUTSIDE
SOLUTONS
Check that plug is plugged securely in wall receptacle.
Note:Plug has a test/reset button on it.Make sure that the plug
hasnot tripped.
Replace the fuse.See Note 1.
Reset circuit breaker.See Note 1.
Turn unit on (bottom right button on keypad).
Make sure that curtains,blinds or furniture are not restricting or
blocking unit airflow.
Reset to a lower or higher temperature setting.
Remove and clean filters.
Allow sufficient amount of time for unit to heat or cool the room.
Startheating or cooling early before outdoor temperature,cooking
heat orgatherings of people make room uncomfortable.
Close vent door.
Check dipswitch settings for desired comfort.
Wait approximately 3 minutes for compressor to start.
The unit may be in a protection mode.
The unit may be set for °C (instead of °F).
Clicking, gurgling and whooshing noises are normal
during operation of unit.
If a drain kit has not been installed, condensation runoff during
very hot and humid weather is normal. See Note 2. If a drain kit
has been installed and is connected to a drain system, check
gaskets and fittings around drain for leaks and plugs.
WATER DRIPPING INSIDE
Wall sleeve is not installed level
Wall sleeve must be installed level for proper drainage
of condensation. Check installation is level and make
any necessary adjustments.
ICE OR FROST FORMS ON
INDOOR COIL
Low outdoor temperature
Dirty filters
When outdoor temperature is approximately 55°F or below, frost
may form on the indoor coil when unit is in Cooling mode. Switch
unit to FAN operation until ice or frost melts.
Remove and clean filters.
COMPRESSOR PROTECTION
Random Compressor restart - Whenever the unit is
plugged in, or power has been restarted, a random compressor
Power may have cycled, so
compressor is in restart protection.
ELECTRIC HEATING FAILURE
restart will occur.
After a power outage, the compressor will restart after
approximately 3 minutes.
Compressor Protection-To prevent short cycling of the
compressor, there is a random startup delay of 3 minutes and a
minimum compressor run time of 3 minutes.
Clean the evaporator once every three months by
professional installers.
NOTES:
1.If circuit breaker is tripped or fuse is blown more than once, contact a qualified electrician.
2.If unit is installed where condensation drainage could drip in an undesirable location, an accessory drain kit
should be installed and connected to drain system.
14
The design and specifications are subject to change without prior notice for product improvement.
Consult with the sales agency or manufacturer for details.
16120300A2070
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