All brands · General troubleshooting

Crystallization / solidification

What is going on

Possible causes and checks for: crystallization / solidification.

Likely causes

  • LiBr concentration too high (65% crystallizes at 110°F), absorber too cold (< 85°F), air in system

Check in this order

  1. Dissolve/rebalance solution, keep air out, maintain inhibitor, run lab tests. pp.941–943 [915–917]

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Source: General HVAC service practice — verify per model. Written in our own words; check the manual for your exact model.

For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.