Energy Wheels - Revision history

Gmoncus at 18:47, 7 May 2025

2025-05-07T18:47:13Z

← Older revision		Revision as of 18:47, 7 May 2025
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	Be aware of how the wheel is removed or fixed in the field. There should be a plan for repairs in the field if ever they are needed.		Be aware of how the wheel is removed or fixed in the field. There should be a plan for repairs in the field if ever they are needed.

			ASHRAE 90.1 minimum enthalpy recovery efficiency is 50%. Found on a Greenheck table.

Gmoncus at 18:44, 7 May 2025

2025-05-07T18:44:54Z

← Older revision		Revision as of 18:44, 7 May 2025
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	05/07/2025		05/07/2025
	Watch out for some of the motors. They’re not all VFD rated and require some work arounds. See Rotorsource info in Vendor and Component data.		Watch out for some of the motors. They’re not all VFD rated and require some work arounds. See Rotorsource info in Vendor and Component data.

	Fan orientation can be an issue.		Fan orientation can be an issue.

	You can use the VSD on the wheel for frost control but I think most manufacturers prefer the OA face and bypass damper set up for frost control.		You can use the VSD on the wheel for frost control but I think most manufacturers prefer the OA face and bypass damper set up for frost control.

	Purge is not needed most of the time since the RA and OA streams usually mix anyways. But, many times we include it “just in case”.		Purge is not needed most of the time since the RA and OA streams usually mix anyways. But, many times we include it “just in case”.

			Be aware of how the wheel is removed or fixed in the field. There should be a plan for repairs in the field if ever they are needed.

Gmoncus: Created page with "05/07/2025 Watch out for some of the motors. They’re not all VFD rated and require some work arounds. See Rotorsource info in Vendor and Component data. Fan orientation can be an issue. You can use the VSD on the wheel for frost control but I think most manufacturers prefer the OA face and bypass damper set up for frost control. Purge is not needed most of the time since the RA and OA streams usually mix anyways. But, many times we include it “just in case”."

2025-05-07T18:43:43Z

Created page with "05/07/2025 Watch out for some of the motors. They’re not all VFD rated and require some work arounds. See Rotorsource info in Vendor and Component data. Fan orientation can be an issue. You can use the VSD on the wheel for frost control but I think most manufacturers prefer the OA face and bypass damper set up for frost control. Purge is not needed most of the time since the RA and OA streams usually mix anyways. But, many times we include it “just in case”."

New page

05/07/2025
Watch out for some of the motors. They’re not all VFD rated and require some work arounds. See Rotorsource info in Vendor and Component data.
Fan orientation can be an issue.
You can use the VSD on the wheel for frost control but I think most manufacturers prefer the OA face and bypass damper set up for frost control.
Purge is not needed most of the time since the RA and OA streams usually mix anyways. But, many times we include it “just in case”.