Monoblock & ERV · COMPONENT REFERENCE
All-in-one condensate and disposal accessories troubleshooting
Manages water within a single-package heat pump through the model’s drain arrangement and any fitted disposal accessory.
Failure causes
Choose a cause for symptoms, checks that separate it from similar faults, repair direction and verification.
Drain routing or cabinet-mounting fault →Water cannot leave the intended path because of an obstruction, routing defect or incorrect cabinet mounting.Condensate disposal accessory fault →A fitted accessory cannot perform its intended water-disposal function or is installed incorrectly.Excess water load or insulation defect →Unintended air leakage, surface condensation or thawing produces water outside the normal disposal condition.
References and applicability
Original HVACSim explanations with manufacturer and instrument-maker references for further reading. These resources support the subject; their model-specific examples are not specifications for every system.
- INNOVA (formerly Ephoca): AIO technical resourcesChoose cabinet style, generation and accessories. Installation, maintenance and troubleshooting documents are separate.
- Olimpia Splendid: Unico product literatureArchitecture and product selection; obtain the actual Unico installation and service manual for diagnostic limits.
Editorial review: 2026-09-29. Verify the current manual for the installed model.