Mars PS-121B Instruction manual

517.787.2100 • www.marsdelivers.com

Installation, Operation

& Maintenance Manual

Heat Controller • 1900 Wellworth Ave. • Jackson, MI 49203 • (517)787-2100 • www.heatcontroller.com

INSTALLATION, OPERATION

& MAINTENANCE MANUAL

Portable Room Air Conditioner

and Heat Pump

PS-121B

PSH-141A

French version of this manual is available on our website

Thank you for purchasing our Portable Air Conditioner.

Before using your air conditioner, please read this instruction

manual carefully and keep it for future reference.

READ AND SAVE THESE INSTRUCTIONS!

Installation, Operation & Maintenance Manual - PS-121B / PSH-141A

Preparation.............................................................................................................................................2

Safety Precautions.................................................................................................................................3

Cautions..................................................................................................................................................4

Installation..............................................................................................................................................5

Operation................................................................................................................................................9

Maintenance.........................................................................................................................................14

Faults Diagnosis..................................................................................................................................15

Design and Compliance Notes...........................................................................................................16

Contents

Installation, Operation & Maintenance Manual - PS-121B / PSH-141A

Preparation

rear

front

control panel

handle

(both sides)

horizontal louver

blade

(swing automatically)

Caster

bottom tray

drain outlet

(only for pump

heating mode)

power cord outlet

power cord storage clips

power plug socket

upper air filter

(behind the grille)

upper air intake

air outlet

lower air filter

lower air intake

drain outlet

Installation, Operation & Maintenance Manual - PS-121B / PSH-141A

Safety Precautions

•Installation must be performed according to the installation instructions. Improper

installation can cause water leakage, electrical shock, or ﬁre.

•Use only the included accessories and parts, and speciﬁed tools for the installation. Using

non-standard parts can cause water leakage, electrical shock, ﬁre, and injury or property

damage.

•Make sure that the outlet you are using is grounded and has the appropriate voltage. The

power cord is equipped with a three-prong grounding plug to protect against shock.

Voltage information can be found on the side of the unit, behind the grille.

•Install the unit on a ﬂat, sturdy surface. Failure to do so could result in damage or

excessive noise and vibration.

•The unit must be kept free from obstructionsto ensure proper function and to mitigate

safety hazards.

•DO NOT modify the length of the power cord or use an extension cord to power the unit.

DO NOT share a single outlet with other electrical appliances. Improper power supply

can cause ﬁre or electrical shock.

•DO NOT install your air conditioner in a wet room such as a bathroom or laundry room.

Too much exposure to water can cause electrical components to short circuit.

•DO NOT install the unit in a location that may be exposed to combustible gas, as this

could cause ﬁre.

•The unit has wheels to facilitate moving. Make sure not to use the wheels on thick carpet

or to roll over objects, as these could cause tipping.

•DO NOT operate a unit that has been dropped or damaged.

•Only use the included accessories and speciﬁed parts for installation. Using nonstandard

parts can cause water leakage, electrical shock, ﬁre, and injury or property damage.

•The unit must be kept free from obstruction to ensure proper function.

•DO NOT allow children to play with the air conditioner. Children must be supervised

around the unit at all times.

•If the air conditioner is knocked over during use, turn off the unit and unplug it from the

main power supply immediately. Visually inspect the unit to ensure there is no damage. If

you suspect the unit has been damaged, contact a technician or customer service for

assistance.

•In a thunderstorm, the power must be cut off to avoid damage to the machine due to

lightning.

Please read through these instructions before you start the installation process.

Improper installation can cause damage to the unit, your personal property, and

also poses a personal safety hazard.

Installation, Operation & Maintenance Manual - PS-121B / PSH-141A

Cautions

•This appliance can be used by children aged from 8 years and above and person with

reduced physical, sensory or mental capabilities or lack of experience and knowledge if they

have been

given supervision or instruction concerning use of the appliance in a safe way and

understand the hazards involved. Children should not play with the appliance. Cleaning and

user maintenance should not be made by children without supervision.

•This appliance is not intended for use by persons (including children) with reduced physical,

sensory or mental capabilities or lack of experience and knowledge, unless they have been

given supervision or instruction concerning use of the appliance by a person responsible for

their safety.

•Children should be supervised to ensure that they do not play with the appliance.

•If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or

similarly qualified persons in order to avoid a hazard.

•Prior to cleaning or other maintenance, the appliance must be disconnected from the supply

mains.

•Do not install the appliance in a location that may be exposed to combustible gas.

•If combustible gas accumulates around the unit, it may cause fire.

•Do not run cord under carpeting. Do not cover cord with throw rugs, runners, or similar

coverings. Do not route cord under furniture or appliances. Arrange cord away from traffic

area so it will not be tripping hazard.

•Do not operate unit with a damaged cord or plug. Discard unit or return to an authorized

service facility for examination and/or repair.

•To reduce the risk of fire or electric shock, do not use this appliance with any solid-state

speed control device.

•The appliance shall be installed in accordance with national wiring regulations.

•Contact the authorized service technician for repair or maintenance of this unit.

•Contact the authorized installer for installation of this unit.

•When there are wide differences between "USER'S MANUAL" and "Remote controller

Illustration" on function description, the description on "USER' S MANUAL" shall prevail.

•Do not operate your air conditioner in a wet room such as a bathroom or laundry room.

Installation, Operation & Maintenance Manual - PS-121B / PSH-141A

Installation

Choosing The Right Location

Your installation location should meet the following

requirements:

•Make sure that you install your unit on an even

surface to minimize noise and vibration.

•The unit must be installed near a grounded

plug, and the Collection Tray Drain (found on

the back of the unit) must be accessible.

•The unit should be located at least 30cm (12”)

from the nearest wall to ensure proper air

conditioning.

•DO NOT cover the Intakes, Outlets or Remote

Signal Receptor of the unit, as this could cause

damage to the unit.

Note About Fluorinated Gases

•This air-conditioning unit is a hermetically sealed unit that contains ﬂuorinated gases.

For speciﬁc information on the type of gas and the amount, please refer to the relevant

label on the unit itself.

•Installation, service, maintenance and repair of this unit must be performed by a

certiﬁed technician.

•Product un-installation and recycling must be performed by a certiﬁed technician.

•If the system has a leak-detection system installed, it must be checked for leaks at least

every 12 months.

•When the unit is checked for leaks, proper record-keeping of all checks is strongly

recommended.

NOTE:

All the illustrations in the manual are for explanation purpose only. Your machine may be

slightly different. The actual shape shall prevail. The unit can be controlled by the unit

control panel alone or with the remote controller. This manual does not include Remote

Controller Operations, see the <<Remote Controller Instruction>> packed with the unit for

details.

Installation, Operation & Maintenance Manual - PS-121B / PSH-141A

Installation

Tools Needed

•Medium Phillips screwdriver

•Tape measure or ruler

•Knife or scissors

•Saw (optional, to shorten window adapter for narrow windows)

Accessories

Your Window Installation Kit ﬁts windows 67.5-123cm (26.5-48”) and can be shortened

for smaller windows.

Window Installation Kit Step One:

Preparing the Exhaust Hose

assembly

Press the exhaust hose into the window

slider adapter and unit adapter, clamp

automatically by elastic buckles of the

adapters.

Step Two: Install the Exhaust Hose

assembly to the unit

Insert unit adapter of the Exhaust hose assembly

into the lower groove of the air outlet of the unit

while the hook of the adapter is aligned with the

hole seat of the air outlet and slide down the

Exhaust hose assembly along the arrow

direction for installation.

Part Description

1 pc

2 pc

1 set

Unit Adaptor

Window Slider Adaptor

Window Slider A

Window Slider B

Exhaust Hose

Bolt

Foam Seal A (Adhesive)

Foam Seal B (Adhesive)

Foam Seal C (Non-adhesive)

Security Bracket and 2 Screws

Drain Hose

Drain Hose Adaptor(only for

heat pump mode)

Quantity

Remote Controller and Battery

(For remote control models only)

ON/OFF

TEMP

SHORT

CUT

TIMER

OFF

MODE

FAN

SLEEP SWING LED

Unit adaptor Window slider

adaptor

Exhaust hose Exhaust hose

assembly Hook Hole Seat

Lower groove

adaptor Make sure the adaptor is

inserted into the lower

groove of the air outlet.

Installation, Operation & Maintenance Manual - PS-121B / PSH-141A

Installation

Step Three: Preparing the Adjustable Window Slider

Depending on the size of your window, adjust the size

of the window slider.

If the length of the window requires two window sliders,

use the bolt to fasten the window sliders once they are

adjusted to the proper length.

Cut the adhesive foam seal

A and B strips to the proper

lengths, and attach them to

the window sash and frame

as shown.

Insert the window slider

assembly into the window

opening.

Insert the window slider

adaptor into the hole of

the window slider.

Cut the non-adhesive foam

seal C strip to match the

width of the window. Insert

the seal between the glass

and the window frame to

prevent air and insects from

getting into the room.

Note:

Once the Exhaust Hose assembly and Adjustable Window Slider are prepared,

choose from one of the following two installation methods.

Type 1: Hung Window Installation

Window slider A Window slider B

Bolt

Foam seal B

(Adhesive type-shorter)

Foam seal A

(Adhesive type)

Window slider A

Window slider B

(if required)

Foam seal C

(Non-adhesive type)

If desired, install the

security bracket with two

screws as shown.

2 Screws

Security Bracket

Installation, Operation & Maintenance Manual - PS-121B / PSH-141A

Installation

Cut the adhesive foam seal

A and B strips to the proper

lengths, and attach them to

the window sash and frame

as shown.

If desired, install the

security bracket with two

screws as shown.

Insert the window slider

adaptor into the hole of

the window slider.

Insert the window slider

assembly into the window

opening.

Cut the non-adhesive foam

seal C strip to match the

window height. Insert the

foam seal between the

glass and the window frame

to prevent air and insects

from getting into the room.

Type 2: Sliding Window Installation

Note:

To ensure proper function, DO NOT over-extend or bend the hose. Make sure

that there is no obstacle around the air outlet of the exhaust hose (in the range of

500mm) in order for the exhaust system to work properly. All illustrations in this

manual are for explanation purposesonly. Your air conditioner may be slightly

different. The actual shape shall prevail.

Foam seal B

(Adhesive type-shorter)

Foam seal A

(Adhesive type)

Window slider A

Window slider B

(if required)

Foam seal C

(Non-adhesive type)

2 Screws

Security

Bracket

Installation, Operation & Maintenance Manual - PS-121B / PSH-141A

Operation

Swing button

Used to initiate the Auto swing

feature. When the operation is ON,

pressing the SWING button can stop

the louver at the desired angle.

Timer button

Used to initiate the AUTO ON start

time and AUTO OFF stop time

program, in conjunction with the

+ & - buttons. The timer on/off

indicator light illuminates under the

timer on/off settings

Mode button

Selects the appropriate operating

mode. Each time you press the

button, a mode is selected in a

sequence that goes from AUTO,

COOL, DRY, FAN and HEAT

(cooling only models without). The

mode indicator light illuminates

under the different mode settings.

Sleep/Eco button

Used to initiate the SLEEP/ECO

operation.

Up (+) and Down (-) buttons

Used to adjust (increasing/decreasing)

temperature settings in 1°C/1°F increments

in a range of 17°C/62°F to 30°C/86°F or

the TIMER setting in a range of 0~24hrs.

NOTE: The control is capable of

displaying temperature in degrees

Fahrenheit or degrees Celsius. To

convert from one to the other,

press and hold the Up and Down

buttons at the same time for 3

seconds.

Fan/Ion button (Ion is optional)

Controlsthe fan speed. Press to select the

fan speed in four steps-LOW, MID, HIGH

and AUTO. The fan speed indicator light

illuminates under different fan settings.

NOTE: Press this button for 3 seconds to

initiate ION feature. The ion generator is

energized and will help to remove pollen

and impurities from the air, and trap them

in the filter. Press it for 3 seconds again to

stop the ION feature.

Power button

Power switch on/off.

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