Thermal Zone MS412HP13240A User manual

OPERATION
INSTRUCTIONS
MINI-SPLIT
HEAT PUMP
FOR MODELS:
MS412HP13240A
MS418HP13240A
950-0023-REV-F 12-19-06

2
TABLE OF CONTENTS
SAFETY & OPERATION NOTES………………………………………………………………3
UNIT PARTS & FEATURES……………………………………………………………………4
REMOTE CONTROL FUNCTIONS & INDICATORS………………………………………5
OPERATION GUIDE……………………………………………………………………………6
CARE & MAINTENANCE……………………………………………………………………8
TROUBLESHOOTING…………………………………………………………………………9
TECHNICAL SUPPORT
IF YOU NEED TECHNICAL SUPPORT PLEASE CALL
1-[phone]

3
SAFETY & OPERATION NOTES
SAFETY
Earth: The ground MUST be connected properly by a certified technician. Never connect
earth ground to the gas pipe, drain pipe or any other incorrect grounding system.
Be sure to cut off the power supply when not using the air conditioner for a long time.
Don’t attempt to repair the air conditioner by yourself.
Don’t place a space heater near the air conditioner.
Don’t block the air intake or outlet vents of both the outdoor and indoor units.
Don’t step on the top of the outdoor unit or place something on it.
Keep combustible spray away from the units.
Please assure if a stand is used for the outdoor unit, it is firm enough to hold the weight of
the outdoor unit.
Splashing water on the air conditioner can cause an electric shock and malfunction.
Air conditioner should be operated with stable voltage range of 208-230V 1PH. An
unstable supply may create vibration and damage.
OPERATION
Set the room temperature appropriately.
Don’t leave windows and doors open for a long time while operating the air conditioner.
Don’t operate unit without air filter.
Don’t operate indoor unit when front cover is removed.
Don’t store remote controller in direct sunlight or excessive heat.
Don’t drop or throw the remote controller.
Don’t immerse the remote controller in water or any other liquids.

4
UNIT PARTS & FEATURES

5

6
OPERATION GUIDE
Notes: On first operation ensure that power to both indoor and outdoor units is active.
Install Batteries:
Remote control takes two (2) AAA batteries.
• Press and slide the battery compartment cover on the bottom side of remote to open it.
• Insert two (2) AAA batteries, being careful to align the polarities correctly as labeled
inside the battery compartment.
• Close the battery compartment cover by sliding it back into place.
Using the Remote Control:
• The remote control must always be pointed at the receiver on the indoor unit to operate
properly.
• The operating range of the remote control is approximately 22 ft. Ensure that you are
within that range when attempting to operate the system with the remote control.
• Please refer to the diagram on page 3 for general operating instructions. Some of the
specific functions will be addressed in more detail below and on the following pages.
Selecting MODE:
• Press the MODE button on the remote control repeatedly until the icon appears for the
mode you want to select. (See diagram on page 5.)
• In HEAT and COOL mode the system will run to satisfy the temperature setting.
• In AUTO mode the system will determine the operation mode based upon the room
temperature in the vicinity of the indoor unit.
• In FAN mode the heating and cooling will not operate, but the fan will run constantly at
the selected speed unless the temperature setting is satisfied.
• In DRY mode cooling will run periodically with low speed fan in order to dehumidify the
room. Heating will not operate in this mode.

7
OPERATION GUIDE (Cont)
SWING operation:
• Press the SWING button on the remote control to initiate automatic rotation of the
louvers.
• Louvers can be kept in automatic rotation in order to circulate air throughout the room.
• If desired, press the SWING button again to stop the louvers at a specific position in
order to control the direction of air flow.
Selecting FAN speed:
• Press the FAN button on the remote control repeatedly to select auto, low, medium or
high speed fan. (See diagram on page 5.)
• In AUTO FAN, the system will select the proper fan speed to satisfy the temperature
setting.
• The fan will continuously operate even if the temperature has been satisfied. If a fan
speed is selected, the fan will operate at the selected fan speed continuously.
Setting SLEEP mode:
1. Make sure that unit is turned “On”.
2. Press SLEEP button once to initiate SLEEP mode.
3. Press TIMER OFF button repeatedly to advance the scheduled length of time before
the system is turned off. Time will advance in half hour increments from 0.5 hr to 24 hr.
4. Press + or - buttons to specify final temperature setting for SLEEP mode.
5. Once SLEEP mode is set, the system will gradually adjust the temperature setting
throughout the period of operation until the both final temperature setting and set time are
reached and the unit automatically turns off.
TIMER operation:
• When system is “On”, press TIMER OFF button repeatedly to advance the scheduled
length of time before the system is turned off. Time will advance in half hour increments
from 0.5 hr to 24 hr.
• When system is “Off”, press TIMER ON button repeatedly to advance the scheduled
length of time before the system is turned on. Time will advance in half hour increments
from 0.5 hr to 24 hr.

8
Diag.2
CARE & MAINTENANCE
CAUTION
Always disconnect power before cleaning.
Cleaning Cover Panel
Note: Always remove cover before cleaning.
1. Open cover panel and remove the cover panel.
2. Wipe with a damp cloth using warm water or mild cleaner and allow to air dry.
Note: Never use hot water.
3. Replace the cover panel by inserting the tab support on either end of the cover into the
supporting slots on the unit, then closing and latching the cover.
Cleaning Air Filters
Note: Recommended once every three months under normal
conditions.
1. Open cover panel.
2. Using the tab at the bottom of the filter, lift the filter and remove in
the direction of the arrows in Diag.1.
3. Clean filters using a vacuum cleaner (see Diag.2) or by washing
them with warm water and allowing them to air dry.
Note: never use hot water.
4. Replace filters by inserting as shown in Diag.3. Then close and
latch the cover panel.
Diag.3
Diag.1

9
TROUBLESHOOTING
The following is a list of problems that are sometimes encountered when using a room air
conditioner. Possible cause and suggest remedies are given for each problem.
Problem Possible Solutions
System will not operate. Has the power been disconnected?
Is the system turned off?
Has the system turned off in the last three
minutes? (There is a 3 minute delay that
prevents the system from engaging the
heat or cool within three minutes of turning
off in order to protect itself.)
Is your circuit breaker “on”?
Is “TIMER ON” displayed on LCD?
An unusually odor is detected from the
indoor unit. This can be caused by odors trapped in the air filter, such as smoke, food, etc. Follow
air filter cleaning instruction.
Aslight liquid noise is heard from the indoor
unit. This can be caused by the refrigerant flowing inside the unit
A slight creaking noise is heard from the
indoor unit.
This can be caused by expansion and
contraction of the plastic materials due to
temperature changes.
Remote control will not operate. Do the batteries need to be replaced?
Are you within the operating range of the
remote control?
Are you pointing the remote control towards
the receiver on the indoor unit?
Is anything obstructing the path between
the remote control and the receiver?
Occasionally the remote control may not
function properly when the unit is disturbed
or when the functions are changed
frequently. In this case disconnect the
power to the indoor unit and then reconnect
to recover remote control operation.