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Heat pump condensing unit

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Trane Heat pump condensing unit VSHK0424

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Trane Trane AHRI Outdoor - Axiom Variable Speed Water Source Heat Pump Heat pump condensing unit Repair, maintenance, and replacement planning
Trane VSHK0424 product image

Technical Specifications

Product Specs

  • AHRI unit role: Outdoor
  • AHRI model/pattern: VSHK0424
  • AHRI records represented: 1
  • AHRI equipment type: Ground Water | Ground Loop | WLHP
  • AHRI tonnage: 3.75 | 3.5166666666666666 | 3.3583333333333334
  • Verified catalog model: VSHK0424
  • Verified product family: Axiom Variable Speed Water Source Heat Pump
  • Verified catalog brand: Trane
  • Verified model family: VSHK
  • AHRI model/pattern: VSHK0424
  • Base catalog model/pattern: VSHK0424
  • Application: horizontal variable-speed water-source heat pump
  • Nominal capacity: 3.5 ton
  • Refrigerant: R-410A
  • Official product page: https://www.trane.com/commercial/north-america/us/en/products-systems/packaged-units-and-split-systems/water-source-heat-pumps/high-ef-horizontal-vertical-wshp.html
  • Official technical documentation: https://www.trane.com/content/dam/Trane/Commercial/global/products-systems/equipment/unitary/water-source-heat-pumps/variable-speed-wshp/WSHP-PRC026H-EN_03202020.pdf
  • Configuration: variable-speed Axiom WSHP cabinet family

Useful troubleshooting details

  • Confirm the installed model and serial number, matched indoor or outdoor equipment, voltage, refrigerant, controls, and AHRI certificate before service or replacement planning.
  • Use the linked AHRI certificates to verify matched-system combinations, rebate conversations, and equipment eligibility before quoting replacement work.
  • Collect photos of the nameplate, equipment access, recent fault history, and comfort symptoms before dispatch or proposal planning.

Troubleshooting

Error Codes

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High pressure switch open High pressure safety

High pressure switch open

Record the flash pattern, avoid repeated reset attempts, and schedule GreenFlow service.
Low pressure switch open Low pressure safety

Low pressure switch open

Record the flash pattern, avoid repeated reset attempts, and schedule GreenFlow service.
High head pressure Refrigeration pressure

High head pressure

Record the flash pattern, avoid repeated reset attempts, and schedule GreenFlow service.
Low suction pressure Refrigeration pressure

Low suction pressure

Record the flash pattern, avoid repeated reset attempts, and schedule GreenFlow service.
Condensate overflow Condensate safety

Condensate overflow input active

Document the flash pattern, check thermostat, filter, and visible outdoor-unit obstruction status, and schedule service if the condition remains.
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Certification match

AHRI certificates

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Eligible Ground Water | Ground Loop | WLHP

AHRI 217967042

AHRI 217967042 identifies a Mass Save qualified Ground Water | Ground Loop | WLHP from TRANE with outdoor unit VSHK0424.

Service planning

How GreenFlow handles VSHK0424 requests

1

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

2

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

3

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

4

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

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Ray

Just had a service call because my tankless water heater stopped working with E110 code. Andrey located the root cause real quick and fixed the issue within half an hour, also gave reasonable recommendations for further maintenance.

Dev W.

I had a breakdown of my cooling system and Hanna at Green Flow responded to my request right away. They scheduled me same day. The team at Green Flow was easy to communicate with over phone and text. They kept me updated on delays on arrival of the...

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In an industry that often fraught with contractors taking advantage of homeowners, Andrey was honest with his assessment and willing to install a product acquired elsewhere (most want that margin themselves), patiently answered my questions (I’m an engineer so like to understand what’s happening), and proactively offered practical...

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