VRF Single Port Changeover Box

208/230V

The YORK® Changeover Box (COB) is the workhorse in a heat recovery system that redirects refrigerant vapor to the desired zone.

  • Continuous operation eliminates the risk of full system shutdown if there is a malfunction among the connected indoor units.
  • Electronically controlled valves and a fully insulated valve housing minimizes noise and delivers quieter operation.
  • Single-port design is ideal for single zones that require individual heating and cooling control.
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The Workhorse in Your Heat Recovery System

Zoned buildings are dynamic. Finding a solution to meet these varied needs can be complex. YORK® VRF systems simplify heat recovery to deliver precise indoor comfort you can rely on.

Continuous heating/cooling operation efficiently recovers and transfers refrigerant vapor based on the demands of the area. The single-port changeover box is ideal for single zones that require individual control with options that include 4 tons (connecting 1-7 indoor units) and 8 tons (connecting 1-8 indoor units).
VRF Product Catalog
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Benefits

SYSTEM DESIGN FLEXIBILITY

Single-port changeover box is ideal for single zones that require individual heating and cooling control connecting up to 8 indoor units.

EASE OF SERVICE

A simplified design provides easy access to valves, reducing service time.

EXCEPTIONAL RELIABILITY

Continuous operation means no risk of system shutdown, even if one of the connected units malfunctions.

Features

  • Optimized reliability through continuous operation
  • Fine mesh strainers protect valves and further increase reliability
  • System operates using vapor instead of liquid, reducing number of valves required for increased simplicity
  • Malfunctions among connected units do not result in system shutdown
  • Electronically controlled valves and fully insulated housing minimizes noise for greater installation flexibility
  • Simplified design provides easy service access to valves

Technical Resources

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York VRF Catalogue 2020

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VRF Systems Product Line Data Sheet

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Installation Manual for Cooling / Heating Change-Over Box (COBS-B21S)

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Installation Manual for Cooling / Heating Change-Over Box (COBS-B22S)

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Service Parts List for Change-Over Box (Generation 1)

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Service Parts List for Change-Over Box (Generation 2)

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COBS048B21S Submittal Data Sheet

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COBS096B21S Submittal Data Sheet

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