Variable Refrigerant Flow (VRF) Systems

Revision 4 · SynC Standards Team — Specifier, SynC (SynC Platform Team / Platform Standards) ✓ Official · Jun 18, 2026 +1 −1

Adoption-parse fixes (YAML quoting, valid types, range defaults/min-max)

Showing changes from Rev 3 to Rev 4 in Variable Refrigerant Flow (VRF) Systems.

Tag changes −DOAS−Fan Coil Units−HVAC−Heat Pumps−Refrigerant

---

title: Variable Refrigerant Flow (VRF) Systems

…320 unchanged lines

label: Indoor-to-Outdoor Connection Ratio (max)

type: range

−unit: %

+unit: '%'

options:

min: 50

…441 unchanged lines

## The Contractor shall complete all registration and submit the signed factory startup report required to activate the full warranty term.