Table of Contents
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INSTALLATION, OPERATION
Installation, Operation
& MAINTENANCE MANUAL
& Maintenance Manual
Portable Room Air Conditioner
and Heat Pump
PS-121B
PSH-141A
Thank you for purchasing our Portable Air Conditioner.
French version of this manual is available on our website
Before using your air conditioner, please read this instruction
manual carefully and keep it for future reference.
Heat Controller • 1900 Wellworth Ave. • Jackson, MI 49203 • (517)787-2100 • www.heatcontroller.com
READ AND SAVE THESE INSTRUCTIONS!
517.787.2100 • www.marsdelivers.com
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Summary of Contents for Mars PS-121B
- Page 1 & MAINTENANCE MANUAL & Maintenance Manual Portable Room Air Conditioner and Heat Pump PS-121B PSH-141A Thank you for purchasing our Portable Air Conditioner. French version of this manual is available on our website Before using your air conditioner, please read this instruction manual carefully and keep it for future reference.
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Page 2: Table Of Contents
Installation, Operation & Maintenance Manual - PS-121B / PSH-141A Contents Preparation.............................2 Safety Precautions..........................3 Cautions..............................4 Installation..............................5 Operation..............................9 Maintenance............................14 Faults Diagnosis..........................15 Design and Compliance Notes......................16... -
Page 3: Preparation
Installation, Operation & Maintenance Manual - PS-121B / PSH-141A Preparation control panel horizontal louver blade (swing automatically) handle (both sides) Caster front upper air filter (behind the grille) upper air intake drain outlet air outlet lower air filter lower air intake... -
Page 4: Safety Precautions
Installation, Operation & Maintenance Manual - PS-121B / PSH-141A Safety Precautions 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. -
Page 5: Cautions
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. -
Page 6: Installation
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. -
Page 7: Tools Needed
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. - Page 8 Installation, Operation & Maintenance Manual - PS-121B / PSH-141A Installation Step Three: Preparing the Adjustable Window Slider Bolt 1. Depending on the size of your window, adjust the size of the window slider. 2. If the length of the window requires two window sliders,...
- Page 9 Installation, Operation & Maintenance Manual - PS-121B / PSH-141A Installation Type 2: Sliding Window Installation Foam seal B Foam seal C (Adhesive type-shorter) (Non-adhesive type) Window slider B (if required) Foam seal A (Adhesive type) Window slider A Cut the adhesive foam seal...
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Page 10: Operation
Installation, Operation & Maintenance Manual - PS-121B / PSH-141A Operation Up (+) and Down (-) buttons Swing button Used to adjust (increasing/decreasing) Used to initiate the Auto swing temperature settings in 1°C/1°F increments feature. When the operation is ON, in a range of 17°C/62°F to 30°C/86°F or pressing the SWING button can stop the TIMER setting in a range of 0~24hrs. -
Page 11: Led Display
Installation, Operation & Maintenance Manual - PS-121B / PSH-141A Operation LED display Shows the set temperature in °C or °F and the Auto-timer settings. While on DRY and FAN modes, it shows the room temperature. Shows Error codes and protection code: E1-Room temperature sensor error. -
Page 12: Auto Operation
Installation, Operation & Maintenance Manual - PS-121B / PSH-141A Operation AUTO operation • When you set the air conditioner in AUTO mode, it will automatically select cooling, heating (cooling only models without), or fan only operation depending on what temperature you have selected and the room temperature. - Page 13 Installation, Operation & Maintenance Manual - PS-121B / PSH-141A Operation Other features FOLLOW ME/TEMP SENSING feature (optional) NOTE: This feature can be activated from the remote control ONLY. The remote control serves as a remote thermostat allowing for the precise temperature control at its location.
- Page 14 Installation, Operation & Maintenance Manual - PS-121B / PSH-141A Operation • During heat pump mode, remove the lower drain plug from the back of the unit, install the drain connector (5/8" universal female hose connection) with 3/4" hose (locally purchased). For the models without a drain connector, attach the drain hose to the hole.
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Page 15: Maintenance
Installation, Operation & Maintenance Manual - PS-121B / PSH-141A Maintenance Safety Precautions • Always unplug the unit before cleaning or servicing. • DO NOT use flammable liquids or chemicals to clean the unit. • DO NOT wash the unit under running water. Doing so causes electrical danger. -
Page 16: Faults Diagnosis
Installation, Operation & Maintenance Manual - PS-121B / PSH-141A Faults Diagnosis Please refer to the following form before requesting service: Problem Possible Cause Troubleshooting The Water Collection Tray is full. Turn off P1 Error Code the unit, drain the water from the Water Unit does not turn Collection Tray and restart the unit. -
Page 17: Design And Compliance Notes
Installation, Operation & Maintenance Manual - PS-121B / PSH-141A Design and Compliance Notes Design Notice In order to ensure the optimal performance of our products, the design specifications of the unit and remote control are subject to change without prior notice. - Page 18 1900 Wellworth Ave. • Jackson, MI 49203 • 517.787.2100 • www.marsdelivers.com 12/2016...
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