Johnson Controls markets YORK VRF, from its Johnson Controls-Hitachi joint venture, in heat-pump and heat-recovery outdoor units.
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Johnson Controls markets YORK VRF, from its Johnson Controls-Hitachi joint venture, in heat-pump and heat-recovery outdoor units.
Published manufacturer figures, rated under AHRI 1230 where stated. Separate maxima may come from different models or ducted/non-ducted combinations; check the AHRI certificate for a matched system.
| Product family | Capacity | Efficiency | Source |
|---|---|---|---|
| YORK VRF heat recovery (YVAHR) | 6 to 16 tons single chassis; systems to 36 tons | Not published in the source reviewed | Manufacturer source |
YORK VRF heat-recovery systems use Change-Over Boxes (COB), including multiport versions, to serve zones in simultaneous heating and cooling.
Change-over box layout, controls and service tools are brand-specific; follow the current YORK VRF catalog and installation manuals.
Sets outdoor and indoor units, brazes, pressure-tests, evacuates and charges refrigerant piping to the brand's manual. EPA 608 required; factory installation training is often required for warranty.
Runs brand-specific startup, addressing and test-run procedures and diagnoses with the manufacturer's service tools and error codes. Factory service training per brand is common.
Builds layouts in the brand's selection software, checks refrigerant concentration limits and supports submittals for reps, distributors and contractors.
Official YORK careers. Applications are handled by the company, not Gulfstream.
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