Pioneer MINI-SPLITS OUTDOOR - Manuals

1 System Components High Wall-Mounted Air Conditioner The system is made up of two or more units connected together via insulated copper pipes and an electrical communication cable. The indoor unit is mounted onto one of the walls in the room that is to be conditioned. The outdoor unit is installed ...

2 Included Accessories 1x Installation and Owner’s Manual 1x Communication/Signal Cable* SPLIT-TYPE ROOM AIR CONDITIONER CS78421-548-754 IMPORTANT NOTE: Read this manual carefully before installing or operating your new air conditioning unit. Make sure to save this manual for future reference. Insta...

 Page 8  Indoor Unit Overview 3 Owner’s Manual 3 1 2 4 5 No. Description Symbol Meaning 12 5 34 Indicates that the unit is currently Wi-Fi Enabled WI-FI SLEEP TIMER Receptor Temp. Display Indicates that the system is currently in SLEEP mode Displays the current set temperature or any error codes I...

 Page 9  Owner’s Manual Operating Instructions The display and some features of the remote control may vary according to the model of the system. The shape and positions of the buttons and indicators may vary according to the model of the system, but the features and functionality would remain the...

 Page 10  4 NOTE ON ILLUSTRATIONS The illustrations in this manual are strictly for explanatory purposes. The actual display and some functions of the remote controller may vary according to the model purchased. Operating Instructions No. Description Icon 10 3456 8°C/46°F Vacation Mode Mute Mode N...

Operating the Remote Controller Sucessfully and Safely • Ensure no objects come between the remote controller and signal receptor of indoor unit. The signal transmission range is 25 ft. • Keep the remote at least 3 ft away from televisions and other electrical appliances that emit or accept signals....

4 Operating Instructions  Page 12  CAUTION Regarding the Airflow of the Indoor Unit The air that is pulled in by the fan (the “return air”) enters the grille and is passed through the filter. It is then cooled/dehumidified/heated through the heat exchanger. The direction of the air output is manip...

 Page 13  COOLING Mode Cooling mode allows the air conditioner to cool the room while also reducing the humidity of the air in the room. To put the system into cooling mode, press the button until the symbol appears on the remote’s display. The TEMP – and + buttons can then be used to set a temper...

 Page 14  DRY Mode Dry mode is a limited function that can rapidly reduce the humidity/moisture of the room. To put the system into dry mode, press the button until the symbol appears on the remote’s display. An automatic preset of this mode is then activated. Note that the fan speed will remain o...

 Page 15  Turning the Display On or Off The LED display on the front panel of the system can be turned on or off as desired. To do so, press the button in order to switch off the LED display on the front panel. This button can be pressed again to turn the LED display back on. 4 Operating Instructi...

 Page 16  Use the CLOCK button to set the current time, which is useful for TIMER control (explained on next page). Energy Saver (ECO) Option In this mode, the appliance will automatically manage the operation in order to save energy. To turn the ECO feature on, press the button on the remote, and...

 Page 17  NOTE Regarding Timers • Press the buttons to cancel at any time in Timer Modes. • The programming will cancel if no buttons are pressed after 10 seconds. This may require restarting the process. Using the Timer - TIMER ON The TIMER feature allows you to set a time delay for the system to...

 Page 18  4 Operating Instructions Owner’s Manual 46°F Freeze Protection Function This feature is meant to be used to prevent freezing while the user is away from home. When turned on, it sets the system to keep a tem- perature of 46°F. If the unit is in standby, then the setting will automaticall...

 Page 19  I FEEL - To Ensure Comfort The I FEEL feature enables the remote to act as the temperature sensor and relay the current air temperature of where the remote is physically placed within the room. In some cases, this can aid with reducing thermal drift between the set temperature and the ac...

 Page 20  NOTE After stopping and restarting the air conditioner, or after the mode is changed during operation, the system does not restart immediately, and will come on when three minutes have elapsed (as a protection for the compressor). 4 Operating Instructions Owner’s Manual An Important Note...

Interior of the Indoor Air Handler In addition to the filters, the interior of the indoor unit itself as well as the inner coil should be inspected every season. The front panel can be disconnected and removed from the top hinge where the pegs connect. This will allow for easier inspection of the in...

Indoor Unit Installation Location Selection Follow the below best practices for selecting an optimal space for installation the indoor unit: • DO NOT install the unit on a wall that is subject to vibrations. • DO NOT install the system near sources of heat, steam, or flammable gases. • DO NOT instal...

Installation Diagram Before proceeding, it is important to consider the following height and length restrictions: Before starting the installation, decide on the position of both the indoor and outdoor units. Take into account the minimum clearance requirements for both the indoor and outdoor units,...

Electrical Connections - Indoor Unit All systems will include a wiring diagram affixed to the indoor unit. See Page 44 for more details. 1. Lift up the front panel of the indoor unit. 2. Remove the cover as indicated in the illustration. 3. For the electrical wiring, consult the circuit diagram affi...

Preparing the Refrigerant Piping of the Indoor Unit The piping “pigtails” pre-attached to the indoor unit can be run in 3 different ways as shown in the illustration. Decide which type of configuration is most suitable before continuing. By default it is routed for a left side exit as shown in #1. T...

Connecting the Drain Hose By default, the drain hose is attached to the left-hand side of unit (”left” when facing the back of the unit). However, it can also be attached to the right-hand side. 1. To ensure proper drainage, attach the drain hose on the same side that your refrigerant piping exits t...

Connecting the Signal Cable Cable Wire Specifications (For Uncommon Configurations) Color selection does not matter as much as matching number to number does. Consult the diagram affixed to the indoor and outdoor unit respectively for specific wiring instructions. There are 3 terminals (1, 2 , 3) an...

Connecting the Refrigerant Piping to the Indoor Unit Wrapping the Lines and Mounting the Indoor Unit Once the copper piping kit coil is unwound, refer to the below instructions to proceed: 1. Bring the ends of both the copper line and the indoor unit line together. Align the centers of the pipes tha...

Outdoor Unit Installation Location Selection Follow the below best practices for selecting an optimal space for installation the indoor unit: • DO NOT install the unit near sources of heat, steam, or flammable gases. • DO NOT install the system in areas prone to extreme winds or dust. • DO NOT insta...

Mounting the Outdoor Unit to the Selected Location The outdoor unit should be installed either on a pad or on a solid wall and fastened securely. Follow the procedure below before connecting any pipes or cables: • Decide what the best position on the wall or on the ground is, and leave enough space ...

 Page 32  7 Outdoor Unit Installation Instructions Outdoor Unit Installation BEFORE PERFORMING ANY ELECTRICAL WORK, READ THESE REGULATIONS 1. All wiring must comply with local and national electrical codes, and must be installed by a fully-licensed electrician. 2. All electrical connections must b...

Power/Signal Electrical Wiring to the Outdoor Unit On the outdoor unit, the wiring diagram is located in the inner side of the handle cover. The outside unit’s terminal block is protected by an electrical wiring cover on the side of the unit. A comprehensive wiring diagram is printed on the inside o...

Connection of the Refrigerant Piping The length of refrigerant piping will affect the performance and energy efficiency of the unit. Nominal efficiency is tested on units with a pipe length of 5 meters (16 ft). Refer to the table below for speci fi cations on the maximum length and drop height of pi...

 Page 35  7 Outdoor Unit Installation Instructions Outdoor Unit Installation Step 3: Flare pipe ends Proper fl aring is essential to achieve an airtight seal. 1. After removing burrs from cut pipe, seal the ends with PVC tape to prevent foreign materials from entering the pipe. 2. Sheath the pipe ...

 Page 36  7 Outdoor Unit Installation Instructions Outdoor Unit Installation MINIMUM BEND RADIUS When bending connective refrigerant piping, the minimum bending radius is 10 cm (4”). Radius ≥10cm (4 in) Instructions for Connecting Piping to Outdoor Unit 1. Unscrew the cover from the packed valve o...

Air Evacuation and Bleeding the Circuit The air and/or humidity left inside the refrigeration circuit can contaminate the refrigerant and cause abnormal spikes in pressure, leading to eventual compressor malfunction. Therefore, after having connected the indoor and outdoor units to create a closed s...

Evacuation Instructions (Cont’d) 6. Turn on the vacuum pump to evacuate the system. 7. Run the vacuum for at least 15 minutes, or until the Compound Meter reads -76cmHG (-100 kPa or -30 inHg). 8. Close the low pressure knob of the manifold gauge, and turn off the vacuum pump. 9. Wait for 5 minutes, ...

 Page 39  8 Electrical/Gas Leak Check and Test Run Electrical/Gas Leak Check ELECTRICAL SAFETY CHECKS After installation, confirm that all electrical wiring is installed in accordance with local and national regulations, and according to the Installation Manual. BEFORE TEST RUN Check Grounding Wor...

Test Run PASS/FAIL?  Page 40  8 Electrical/Gas Leak Check and Test Run Test Run BEFORE TEST RUN Only perform a test run after the following steps have been completed: Electrical Safety Checks Gas Leak Checks   No Electrical Leaks or Abnormal Noises  Unit is Properly Grounded  All Electrical Te...

 Page 41  9 Troubleshooting Troubleshooting MALFUNCTION If there are strange odors... If there’s running water... If the airflow is insufficient, and the air is not hot or cold enough... If the display is off... If a fine mist is coming from the air outlet... If the appliance does not respond to c...

Pioneer WYF Series Mini Split Outdoor MODEL/Capacity (Btu/h) A B D H YN009GHFI25RPH (9,000 BTU - 208/230V) YN012GHFI25RPH (12,000 BTU - 208/230V) YN024GHFI25RPH (24,000 BTU - 208/230V) Air Inlet Air Inlet Air Outlet 510 mm 20-1/16 in. 510 mm 20-1/16 in. 542 mm 21-5/16 in. 608 mm 23-15/16 in. 310 mm ...

Guidelines for Drilling the Wall Hole Below are the suggested locations for the wall hole for systems between 9,000 - 24,000 BTU. Both left side/right side exits are considered. Confirm holes are appropriate by corner tracing.  Page 43  A Appendix Outdoor Unit Installation Appendix 1 3/8” 1 3/8” 1...

Appendix Guidelines for Drilling the Wall Hole (continued) Simplified Wiring Diagram (230V)  Page 44  A Appendix Signal Cable to Outdoor Unit Indoor Unit Terminal Block 1 ( N ) 2 ( L ) 3 ( SI ) 1 5/8” 9 1/4” 14 ” 14 ” 4 11/16” 13 9/16” 51 3/16” Ø 2 1/2” Ø 2 1/2” Left Side Exit Right Side Exit (For...

European Disposal Guidelines This appliance contains refrigerant and other potentially hazardous materials. When disposing of this appliance, the law requires special collection and treatment. Do not dispose of this product as household waste or unsorted municipal waste. When disposing of this appli...

The design and specifications of this product are subject to change without prior notice as development continues. Consult with the sales agency or manufacturer for details. Refer to the equipment nameplate for all other applicable specifications. is a registered trademark of Parker Davis HVAC Inter...