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MULTI-POSITION AHU
OUTDOOR UNIT
CENTRAL SPLIT AIR HANDLER AIR CONDITIONING SYSTEM
Installation Manual
IMPORTANT NOTE:
Thank you for purchasing our air conditioning system. Please read this manual carefully
before operating your new air conditioning units. Make sure to save this manual for future
reference.
Model:
OS-EAH36-230VO
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Table of Contents
Related Manuals for Olmo OS-EAH36-230VO
Summary of Contents for Olmo OS-EAH36-230VO
- Page 1 CENTRAL SPLIT AIR HANDLER AIR CONDITIONING SYSTEM Installation Manual Model: OS-EAH36-230VO IMPORTANT NOTE: Thank you for purchasing our air conditioning system. Please read this manual carefully before operating your new air conditioning units. Make sure to save this manual for future...
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Page 3: Table Of Contents
Contents Safety precautions ............................1 Refrigerant flow diagram..........................3 Diagram of refrigerant cycle & wiring ......................3 Refrigerant flow diagram ..........................3 Electrical wiring diagram ..........................3 Installation instructions..........................4 Transportation and handling before installation ....................4 Installation locations selection........................4 Drainage elbow and drain hose installation ....................5 Outdoor unit installation ..........................5 Refrigerant piping ............................6 Wiring ................................9... -
Page 4: Safety Precautions
Safety precautions 1.This air conditioner uses new refrigerant HFC (R410A). 2.Since the max. working pressure is 550 psig (3.8MPa) [R22:450 psig (R22:3.1MPa)], some of the piping and installation and service tools are special. 3.This air conditioner uses power supply:208/230V ~, 60Hz. 4. - Page 5 Safety precautions ·If the electrical covers on the indoor unit or the service panel of the outdoor unit are not attached securely, it could result in a fire or an electric shock due to dust water, etc. ·Please be sure to cut off the main power supply before the installation of indoor electronic PCB or wiring.
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Page 6: Refrigerant Flow Diagram
Diagram of refrigerant cycle & Wiring Refrigerant flow diagram INDOOR UNIT OUTDOOR UNIT Gas piping Pressure sensor Compressor Accumulator Wide service valve 4-way valve High pressure switch Check valve Liquid piping Service valve Heating cycle Note: High pressure switch is only v alid for 48K and 60K models. -
Page 7: Installation Instructions
Installation instructions Transportation and handling before installation Transport the product as close to the installation location as practical before unpacking. ·Handling Method ·Handling When handling the unit, ensure a balance of the unit, If have no package to move, please protect with cloth or check safety and lift it up smoothly. -
Page 8: Drainage Elbow And Drain Hose Installation
Installation instructions Drainage elbow and drain hose installation Install Drainage Elbow and Drain Hose ·The condensate water may drain from the outdoor unit when the unit operates in heating mode. In order to avoid disturbing neighbors and protect the environment, it is necessary to install a drainage elbow and a drain hose to drain out the condensate water. -
Page 9: Refrigerant Piping
Installation instructions Refrigerant piping 1. Piping requirement Outer Diameter of Pipe [ in. (mm)] Model Liquid (19.05) (9.52) The shorter the refrigerant piping is, the better the performance will be. So the connecting pipe should be as short as possible. Pipe length L Indoor unit Height difference H... - Page 10 Installation instructions ！ 危 险 C A U T I O N When installing pipe through Do not place the pipe Correct Incorrect the wall, secure a cap at the directly on the ground. end of the pipe. Incorrect Correct Incorrect Correct Rain water can...
- Page 11 Installation instructions 6. Vacuum pumping and charge refrigerant · Vacuum pumping (1) Remove the service port cap of the stop valve on the gas pipe side of the outdoor unit. (2) Connect the manifold gauge and vacuum pump to the service port of the stop valve on the gas pipe side of the outdoor unit.
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Page 12: Wiring
Installation instructions Wiring ！ WARNING · Turn OFF the main power switch to the indoor unit and the outdoor unit and wait for more than 3 minutes before electrical wiring work or a periodical check is performed. · Check to ensure that the indoor fan and the outdoor fan have stopped before electrical wiring work or a periodical check is performed. - Page 13 Installation instructions Wires connect steps: Electric box cover removal Unscrew the mounting screws to remove the electric box cover. (2) Fasten the power supply cable and the transmitting cable to the conduit holder using the lock nut. (3) Connect the power supply cable and the transmitting cable to terminal. (4) Fasten the power supply cable and the connection cable with the cable clamp.
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Page 14: Test Run
Installation instructions Electrical Data Model Power Source Transmitting Circuit Power Supply (Capacity) Cable Size Cable Size Breaker (A) Rated Current Nominal Sensitive Current (mA) 208/230V ~/60Hz 3×10AWG 5×16AWG Running Current REFER TO NAMEPLATE Note： (1) Follow local codes and regulations when select field wires ,and all the above are the minimum wire size. (2) When transmitting cable length is longer than 262ft. - Page 15 Product Registration: Products must be registered for Limited Warranty within 60 days of installation by licensed HVAC technician. Products can be registered at olmo-comfort.com. Alternatively, the warranty registration card from the product User’s Manual can be filled out and sent in as instructed.
- Page 16 leaks Comfortside does not cover any claims related to the lack of refrigerant in new products, discovered upon arrival, or during installation, as well as subsequent refrigerant loss occurring at any time afterward. This Warranty is not transferable. No person or entity is authorized to change the terms and conditions outlined in this Warranty agreement, in any respect, nor to create any additional obligations or liabilities for any party involved.
- Page 17 www.olmo-comfort.com...
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