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INSTALLATION INSTRUCTIONS & USER'S MANUAL
Packaged Terminal Air Conditioner / Heat Pump
Thank you for choosing this YMGI product. Please read the owner's manual carefully before installation and operation and retain
for your records and future reference. If you need a replacement copy, please contact your local agent or visit www.ymgigroup.com
to download a current electronic version.
This product is designed and manufactured to be free from any defects in material and workmanship during normal use and
maintenance. Installation, operation, maintenance and repair must follow all standards and professional practices for regular
cooling and heating equipment, such as NEC, State, or Local Codes and all related documents/manuals provided by YMGI.
Failure to follow and adhere to all codes and documentation can cause damage to equipment, property even personal injury.
Installer: Currently licensed/certified HVAC technicians only. Must Read the manual and all provided documents prior to
installation. Complete and fill out all required information on the warranty registration card.
User: Retain this manual and all supplied documents for your records and future reference.
Servicer: Use this manual for information concerning servicing and maintenance of this product.
Only qualified technicians should install and service this equipment. The installation, startup, operation and servicing of this
equipment can be hazardous and requires a HVAC professional who has been trained, licensed and certified. Installations,
adjustments or any equipment alterations done by an unqualified person could result in serious injury and even death. When
working on the equipment, observe all precautions in the provided documents, on the tags, stickers, and labels that are attached
to or placed on the equipment.
YMGI, Engineered Comfort Products for A Sustainable
PTAC/PTHP
07-15K Btu/h Cooling and Heat Pump
04 Version
NOTICE
SAFETY WARNING
and Efficient Green World!
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Table of Contents
Related Manuals for YMGI PTAC Series
Summary of Contents for YMGI PTAC Series
- Page 1 04 Version Thank you for choosing this YMGI product. Please read the owner’s manual carefully before installation and operation and retain for your records and future reference. If you need a replacement copy, please contact your local agent or visit www.ymgigroup.com to download a current electronic version.
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Page 2: Table Of Contents
TABLE OF CONTENTS YMGI PTAC/PTHP Main Unit and Accessories ..................3 Introduction ............................. 4 Note From YMGI – Must Read ....................... 6 Limited Product Warranty ........................8 Limited Product Warranty Registration Card ..................10 Safety Precautions ..........................11 PTAC AC Only Specifications ........................ 13 PTAC w/ Electric Heater Specifications .................... -
Page 3: Ymgi Ptac/Pthp Main Unit And Accessories
Optional accessories to complete a particular installation are the following: • • • • • • • • • • • • NOTE: Consult sales literature for the appropriate voltage and amperage selections, if applicable. YMGI • Your Modern Green Idea... -
Page 4: Introduction
Refrigerants that contain Chlorine, Fluorine and Carbon (CFCs) and those containing Hydrogen, Chlorine, Fluorine and Carbon (HCFCs), may affect the ozone layer. Not all refrigerants have the same potential impact on the environment. YMGI Group advocates for the responsible handling of all refrigerants including industry replacements for CFCs such as HCFCs and HFCs. - Page 5 Copyright This document and the information contained therein are the sole property of YMGI Group and shall not be used or reproduced in whole or in part, without the written permission of YMGI Group. YMGI Group reserves the right to revise this manual at any time and to make changes to its content without obligation to notify anyone about any modifications, revisions or changes.
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Page 6: Note From Ymgi - Must Read
YMGI Group is the MEDIA AUTHORITY: YMGI Group, located in O'Fallon, MO, is the author of all media produced for its products and is the only party able to give any additional explanation for any data, definitions and or descriptions found within any of its media, including but not limited to YMGI product brochures, manuals, pamphlets, catalogs, and videos. - Page 7 With the information provided above, you will know some things to look for and questions you can ask. If at any time you feel there may be an issue with the installation, please have your technician contact YMGI at (866)833-3138 x 703 with any questions, issues or concerns you may have.
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Page 8: Limited Product Warranty
YMGI Group upon request. Warranty parts may be new or refurbished. All parts are tested and approved before shipping. At no time does YMGI Group warrant labor cost of any type. Warranty will start from the date of successful installation at original installation location, or 90 days as of original shipping date from YMGI Group, whichever comes first. - Page 9 2. YMGI will check the customer's warranty filing. There will be no charge for Parts with a validated and approved warranty. Any Parts that have not been validated and approved or have an invalid warranty filing resulting in an unapproved warranty request, will be charged accordingly.
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Page 10: Limited Product Warranty Registration Card
YMGI • Your Modern Green Idea... -
Page 11: Safety Precautions
If the unit does not operate normally or if you notice any type of burning odor, power off the unit and turn off the main power supply, then immediately contact your YMGI authorized repair service center or HVAC professional. - Page 12 YMGI Group will not be responsible for any personal injury or any property damage caused by improper or incorrect installation, improper service or maintenance or by not following the instructions listed in this manual. DO NOT pull on the power supply cords or refrigeration lines that are connected to the indoor and outdoor units.
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Page 13: Ptac Ac Only Specifications
Fin type (code) Window fin Window fin Window fin Window fin φ7×0.24+0.18×C φ7×0.24+0.18×C φ7×0.24+0.18×C φ7×0.24+0.18×C Tube outside dia. and type Screwed pipe Screwed pipe Screwed pipe Screwed pipe Coil length x 704*252 704*252 704*252 722*252 height YMGI • Your Modern Green Idea... - Page 14 41°F ≤ AC ≤ 115°F 41°F ≤ AC ≤ 115°F 41°F ≤ AC ≤ 115°F 41°F ≤ AC ≤ 115°F °F Note: Due to continuing improvements, specifications are subject to change without notice. YMGI • Your Modern Green Idea...
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Page 15: Ptac W/ Electric Heater Specifications
722*252 height Number of circuits Indoor air flow (Hi/Lo) m3/h 720/620 M3/h 720/620 M3/h 750/650 M3/h 800/700 M3/h 800/700 M3/h Indoor air flow (Hi/Lo) 424/365 CFM 424/365 CFM 442/383 CFM 471/412 CFM 471/412 CFM YMGI • Your Modern Green Idea... - Page 16 HP ≤ 41°F HP ≤ 41°F HP ≤ 41°F HP ≤ 41°F AC ≤ 115°F AC ≤115°F AC ≤115°F AC ≤115°F AC ≤ 115°F Note: Due to continuing improvements, specifications are subject to change without notice. YMGI • Your Modern Green Idea...
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Page 17: Pthp Specifications
Screwed pipe Screwed pipe Screwed pipe Screwed pipe Screwed pipe Coil length x 704 x 252 704 x 252 704 x 252 722 x 252 722 x 252 height Number of circuits YMGI • Your Modern Green Idea... - Page 18 ≤ HP 41°F ≤HP 41°F ≤HP 41°F ≤HP 41°F ≤HP 41°F ≤ AC ≤ 115°F ≤AC≤ 115°F ≤AC≤ 115°F ≤AC≤ 115°F ≤AC≤ 115°F Note: Due to continuing improvements, specifications are subject to change without notice. YMGI • Your Modern Green Idea...
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Page 19: Unit Features
Power to the outdoor fan and the compressor are turned off if the indoor coil gets too hot during heat pump operation to prevent damage to the compressor. YMGI • Your Modern Green Idea... - Page 20 DIP switch, power the unit on again, and the new function will be activated. HIGH VOLTAGE DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT, FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. YMGI • Your Modern Green Idea...
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Page 21: Installation Instructions
ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death. Disconnect all power to unit to avoid possible electrical shock during installation. YMGI • Your Modern Green Idea... -
Page 22: Wall Sleeve Assembly
Projection of case into room-1/2"minimum up to1-3/4"maximum without use of electrical sub-base. Note: 2-3/8" minimum when sub-base is used. Height above finished floor or top of carpet-1/2"minimum, 2" recommended without sub-base-3" minimum with sub-base YMGI • Your Modern Green Idea... -
Page 23: Preparation Of Wall
In order for condensate water to drain properly inside the unit, the sleeve must be installed properly: Level from right to left. • A slight downward pitch from the indoor side to the outdoor side as shown below (Fig 6). • Fasten the wall sleeve (Fig 7). • YMGI • Your Modern Green Idea... -
Page 24: Outdoor Grille Installation
If air is obstructed and/or deflected back into the unit, the air conditioner compressor may cycle on and off rapidly. This could damage the compressor or possibly void the warranty. YMGI • Your Modern Green Idea... - Page 25 2. Pull the bottom of the cabinet front away from the chassis until the retaining clips disengage. 3. Lift the cabinet front off of the chassis. Reverse this procedure to reinstall the cabinet front YMGI • Your Modern Green Idea...
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Page 26: Drain Kit Installation
If you are using the external drain, one gasket and mounting plate without drain holes are not used. After completing installation work, always check to be sure that water drains properly and that there are no leaks from blocked-up points. YMGI • Your Modern Green Idea... - Page 27 YMGI • Your Modern Green Idea...
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Page 28: Installing Louvered Grilles
UNIT DAMAGE HAZARD Be sure to keep a firm grip on the plastic handle and grille to prevent it from dropping and /or causing possible injury or property damage. YMGI • Your Modern Green Idea... -
Page 29: Installing Architectural Grilles
4. Attach the grille to the sleeve by aligning and inserting the threaded studs in the corresponding holes. 5. Secure the grille to the sleeve with washers C and hex nuts D provided with the kit. Remove the plastic handle after installation is completed. YMGI • Your Modern Green Idea... -
Page 30: Wiring
Once the unit is properly wired, measure the unit supply voltage. Voltage must fall within the voltage utilization range given in Chart 3. Operating Voltage Chart 3 - Unit Voltage Voltage Utilization Range (+/- 10%) Rating Minimum Maximum 208-230 265-277 YMGI • Your Modern Green Idea... - Page 31 NOTE: See the “Remote Thermostat Change” instructions before using the thermostat. YMGI • Your Modern Green Idea...
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Page 32: Operating Instructions
OPERATING INSTRUCTIONS Unit Mounted Control Panel Remote Controller (optional accessory) YMGI • Your Modern Green Idea... - Page 33 Other display icons: Fan mode Clock (blinks when clock Heating mode set function is turned on) Remote buttons are Fan speed display. Locked Low voltage. Unit is not getting adequate Automatic fan speed. voltage. YMGI • Your Modern Green Idea...
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Page 34: Cool/Fan/Heat Mode Operation
3) Remote thermostat change: On standby off mode, press HEAT and + button, for 3 seconds, the buzzer will chime and LED display will read or . : Unit control panel has control of unit. : Wall thermostat has control of unit. YMGI • Your Modern Green Idea... -
Page 35: Ventilation Control
4. Rotate the vent control lever to either open or close the damper. HIGH VOLTAGE DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES BE PRESENT, FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. YMGI • Your Modern Green Idea... - Page 36 3. Remove the seven (7) screws which secure the discharge air grille to the cabinet front. Discharge Air Flow Grille Removal 4. Rotate the grille 180° clockwise 5. Reinstall the screws securing the discharge air grille to the cabinet front. Reinstall the cabinet front on the unit. YMGI • Your Modern Green Idea...
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Page 37: Maintenance And Cleaning
The cabinet front and discharge air grille can be cleaned with a water dampened cloth. Under no circumstances should hydrocarbon-based cleaners (e.g. acetone, benzene, naphtha gasoline, etc.) or ammonia based cleaners be used to clean the front or air grilles. Use care when cleaning the control area. YMGI • Your Modern Green Idea... - Page 38 8. Allow unit to dry for 24 hours before reapplying power. When power is reapplied test unit for proper operation. 9. Place a non-acidic algaecide in the base pan to inhibit bacteria growth. Ensure the algaecide is compatible with wet coil operation and is not corrosive to the coil. YMGI • Your Modern Green Idea...
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Page 39: Normal Operating Sounds And Conditions
This is due to a built– in delay to protect the compressor. Buzzer Response The buzzer will chime “Di” (0.1 sec) as response when receiving the effective order from key pad control and remote control YMGI • Your Modern Green Idea... -
Page 40: Diagnostic Codes
AC: OFF OFF-Disable freeze protection Electric Memory ON-Enable : OFF-Disable Fan CYC for Cooling ON-Enable : OFF-Disable Set temp. step for ON-Set temp step for two degrees One/two degrees OFF-Set temp step for one degree YMGI • Your Modern Green Idea... -
Page 41: Troubleshooting
If circuit breaker is tripped or fuse is blown more than once, contact a qualified electrician. 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. YMGI • Your Modern Green Idea... -
Page 42: Rt Conversion Tables
4.11 0.89 73.4 5.320 5.377 5.484 2.22 2.78 174.2 0.882 0.908 0.934 4.13 0.87 75.2 5.131 5.185 5.238 2.27 2.73 0.858 0.884 0.910 4.15 0.85 77.0 4.950 5.05 2.31 2.69 3274 Sensor resistance table YMGI • Your Modern Green Idea... -
Page 43: Wiring Diagrams
PTAC Wiring Diagrams Wiring diagram-PTAC Cooling Only (40) models YMGI • Your Modern Green Idea... - Page 44 Wiring diagram-PTAC w Elec. Heater (41) models YMGI • Your Modern Green Idea...
- Page 45 Wiring diagram- PTHP Heat Pump Wiring Drawing-7K,9K,12K (42, 43, 45) models YMGI • Your Modern Green Idea...
- Page 46 Wiring diagram- PTHP Heat Pump Wiring Drawing-15K heat pump (42, 43, 45) models YMGI • Your Modern Green Idea...
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Page 47: Receptacles And Fuse Types
NOTE: The 277v models do not incorporate this feature as they require use of the electrical subbase accessory. RECEPTACLES AND FUSE TYPES – 265, 277 VOLTS RECEPTACLE AMPS RATED VOLD TIME-DELAY TYPE FUSE (or HACR Circuit Breaker) * May be used for 15 amp applications YMGI • Your Modern Green Idea... -
Page 48: User Notes And Installation/Service And Maintenance Notes
USER NOTES AND INSTALLATION/SERVICE/MAINTENANCE NOTES INSTALLATION NOTES Put down any questions, comments, or problems you have experienced as a unit history: Asked Technician Did You Ask YMGI Date Notes for Help? Tech. for Help? YMGI • Your Modern Green Idea... - Page 49 Put down whatever questions you have or problems you have seen as a unit history: Company Name, Technician Name, Job Not Performed Technician Checklist Date Phone & HVAC License # by Technician Completed Fully? YMGI • Your Modern Green Idea...
- Page 50 SERVICE / MAINTENANCE NOTES Company Name, Technician Name, Date Service / Maintenance Phone & HVAC License # YMGI • Your Modern Green Idea...
- Page 51 YMGI • Your Modern Green Idea...
- Page 52 YMGI is dedicated to designing, manufacturing and distributing the highest quality, energy saving and environmentally friendly air conditioner and heat pump products, while providing the best service and support to all of our customers. Our mission is to help build a sustainable, efficient and green world.
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