Pressure-Temperature chart for YN009GLSI25RPH outdoor units.

<h1 id="outdoor-unit-model-number-yn009glsi25rph-z2u20101080003">Outdoor Unit Model Number: YN009GLSI25RPH (Z2U20101080003)</h1><p><br></p><h2 id="refrigerant-r-454b"><strong>Refrigerant: R-454B</strong></h2><p><br></p><h2 id="cooling-chart"><strong>Cooling Chart</strong></h2><p><strong>Active Pressure:&#xA0;</strong>Compressor running outside</p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025102916-8ada86d5-dd73-4d51-bf73-f3a3802cfc94-yn009glsi25rph_cooling_chart_1.png" style="width: 1000px;" class="fr-fic fr-dib fr-bordered"></p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025102916-ec31b8b1-1add-45a4-815b-e2f4a49cc547-yn009glsi25rph_cooling_chart_2.png" style="width: 1000px;" class="fr-fic fr-dib fr-bordered"></p><p><br></p><h2 id="heating-chart"><strong>Heating Chart</strong></h2><p><strong>Active Pressure:&#xA0;</strong>Compressor running outside</p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025102916-777b4a73-ee36-4456-850a-5b841c4446ce-yn009glsi25rph_heating_chart_1.png" style="width: 1000px;" class="fr-fic fr-dib fr-bordered"></p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025102916-2293aca4-5c5d-40b4-9f55-ddbab7e33ecd-yn009glsi25rph_heating_chart_2.png" style="width: 1000px;" class="fr-fic fr-dib fr-bordered"></p><p><br></p><h2 id="system-pressure-table"><strong>System Pressure Table</strong></h2><p><strong>Static Pressure:&#xA0;</strong>Compressor not running outside</p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025102916-3f2edd9a-b4ab-4c2c-abd0-8efc79cff9cc-r454b_pressure_table.png" style="width: 1000px;" class="fr-fic fr-dib fr-bordered"></p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025102916-64bb9356-8056-4886-bcb9-851d7a45c936-r454b_pressure_table_2.png" style="width: 1000px;" class="fr-fic fr-dib fr-bordered"></p><p><br></p>

PT Chart (YN009GLSI25RPH)

Pressure-Temperature chart for YN012GLSI25RPH outdoor units.

<h1 id="outdoor-unit-model-number-yn012glsi25rph-z2u20101011565">Outdoor Unit Model Number: YN012GLSI25RPH (Z2U20101011565)</h1><p><br></p><h2 id="refrigerant-r-454b"><strong>Refrigerant: R-454B</strong></h2><p><br></p><h2 id="cooling-chart"><strong>Cooling Chart</strong></h2><p><strong>Active Pressure:&#xA0;</strong>Compressor running outside</p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025102916-5d8d7449-af13-42e8-82b5-6064b21c151d-yn012glsi25rph_cooling_chart_1.png" style="width: 1000px;" class="fr-fic fr-dib fr-bordered"></p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025102916-49321759-9b9a-4efa-ac7c-8c1ea88ef157-yn012glsi25rph_cooling_chart_2.png" style="width: 1000px;" class="fr-fic fr-dib fr-bordered"></p><p><br></p><h2 id="heating-chart"><strong>Heating Chart</strong></h2><p><strong><strong id="isPasted">Active Pressure:</strong></strong> Compressor running outside</p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025102916-aface6a4-5927-4531-b73f-9c07e9328cc8-yn012glsi25rph_heating_chart_1.png" style="width: 1000px;" class="fr-fic fr-dib fr-bordered"></p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025102916-12a48cae-6a40-419f-bdca-4cc98e068026-yn012glsi25rph_heating_chart_2.png" style="width: 1000px;" class="fr-fic fr-dib fr-bordered"></p><p><br></p><h2 id="system-pressure-table"><strong>System Pressure Table</strong></h2><p><strong>Static Pressure:&#xA0;</strong>Compressor not running outside</p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025102916-1d09d9cd-5242-4c14-92df-6f77641c68c2-r454b_pressure_table.png" style="width: 1000px;" class="fr-fic fr-dib fr-bordered"></p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025102916-eb44edd0-8551-4568-88e7-4cc7c9a36fd2-r454b_pressure_table_2.png" style="width: 1000px;" class="fr-fic fr-dib fr-bordered"></p><p><br></p>

PT Chart (YN012GLSI25RPH)

Pressure-Temperature chart for YN018GLSI25RPH outdoor units.

<h1 id="outdoor-unit-model-number-yn018glsi25rph-z4u20101042498">Outdoor Unit Model Number: YN018GLSI25RPH (Z4U20101042498)</h1><p><br></p><h2 id="refrigerant-r-454b"><strong>Refrigerant: R-454B</strong></h2><p><br></p><h2 id="cooling-chart"><strong>Cooling Chart</strong></h2><p><strong>Active Pressure:&#xA0;</strong>Compressor running outside&#xA0;</p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025102916-c83e70b1-8adf-44a1-8269-fff6c3595a1d-yn018glsi25rph_cooling_chart_1.png" style="width: 1000px;" class="fr-fic fr-dib fr-bordered"></p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025102916-422bf3ea-422c-4801-a3ad-c756d36abe28-yn018glsi25rph_cooling_chart_2.png" style="width: 1000px;" class="fr-fic fr-dib fr-bordered"></p><p><br></p><h2 id="heating-chart"><strong>Heating Chart</strong></h2><p><strong><strong id="isPasted">Active Pressure:&#xA0;</strong></strong>Compressor running outside<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025102916-e58f7018-aea7-46e3-8e20-ed9c09ea5575-yn018glsi25rph_heating_chart_1.png" style="width: 1000px;" class="fr-fic fr-dib fr-bordered"></p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025102916-109368e1-5fd5-4cd3-a2fd-f7dd87326d66-yn018glsi25rph_heating_chart_2.png" style="width: 1000px;" class="fr-fic fr-dib fr-bordered"></p><p><br></p><h2 id="system-pressure-table"><strong>System Pressure Table</strong></h2><p><strong>Static Pressure:&#xA0;</strong>Compressor not running outside</p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025102916-4e66e124-bdeb-40e9-8181-16c543ae3344-r454b_pressure_table.png" style="width: 1000px;" class="fr-fic fr-dib fr-bordered"></p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025102916-ae2dcc53-1a07-40d7-a39e-1438835fc8ea-r454b_pressure_table_2.png" style="width: 1000px;" class="fr-fic fr-dib fr-bordered"></p><p><br></p>

PT Chart (YN018GLSI25RPH)

Pressure-Temperature chart for YN024GLSI25RPH outdoor units.

<h1 id="outdoor-unit-model-number-yn024glsi25rph-z4u20101042115">Outdoor Unit Model Number: YN024GLSI25RPH (Z4U20101042115)</h1><p><br></p><h2 id="refrigerant-r-454b"><strong>Refrigerant: R-454B</strong></h2><p><br></p><h2 id="cooling-chart"><strong>Cooling Chart</strong></h2><p><strong><strong id="isPasted">Active Pressure:&#xA0;</strong></strong>Compressor running outside <strong><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025102916-0a16b920-e8a9-4510-8ed0-f29695adaa89-yn024glsi25rph_cooling_chart_1.png" style="width: 1000px;" class="fr-fic fr-dib fr-bordered"></strong><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025102916-558ef276-7466-467a-80c3-eed63141d09d-yn024glsi25rph_cooling_chart_2.png" style="width: 1000px;" class="fr-fic fr-dib fr-bordered"></p><p><br></p><h2 id="heating-chart"><strong>Heating Chart</strong></h2><p><strong>Active Pressure:&#xA0;</strong>Compressor running outside&#xA0;</p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025102916-a3e64f88-f4a1-415e-b8e5-b53e79a67a97-yn024glsi25rph_heating_chart_1.png" style="width: 1000px;" class="fr-fic fr-dib fr-bordered"></p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025102916-2d3e6c06-f765-45fa-9261-185c17703f5b-yn024glsi25rph_heating_chart_2.png" style="width: 1000px;" class="fr-fic fr-dib fr-bordered"></p><p><br></p><h2 id="system-pressure-table"><strong>System Pressure Table</strong></h2><p><strong>Static Pressure:&#xA0;</strong>Compressor not running outside</p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025102916-8d22f205-c8d2-433f-a8a3-9c12420f84e9-r454b_pressure_table.png" style="width: 1000px;" class="fr-fic fr-dib fr-bordered"></p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025102916-87788cc4-fecb-43a8-af5d-4e5754c83e9f-r454b_pressure_table_2.png" style="width: 1000px;" class="fr-fic fr-dib fr-bordered"></p><p><br></p>

PT Chart (YN024GLSI25RPH)

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Pressure-Temperature charts for WYT-25 systems.

PT Charts - WYT-25

Product Data & Technical Information

PT (Pressure Temperature) Charts

Pioneer offers hyper-heat units

Pioneer systems offer both heating and cooling functions

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Mini splits are capable of using fewer indoor units than the outdoor unit’s zonal capacity

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Diamante Essenza (WYT-17) Overview

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CL error code

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Troubleshooting

IDU Disassembly for Diamante Essenza & Pro / Quantum Ultra - High Wall Mount

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Indoor Unit Disassembly Guides

ODU Disassembly for Diamante Essenza & Pro / Quantum Ultra / Quantum Hyperformance