Cut Sheet

Type 3, 3R, 4, 4X BoXes and enclosuRes WEATHERFLO HD EncLOsuREs AnD AccEssORiEs
PH 763.422.2211nVent.com/HOFFMAN commeRcial 4
Spec-00569 G
panel
Thepanelsizeandopeningsarethesameregardlessofframesize.
Select a panel for each door.
BULLETIN: A3RHD
Catalog Number
AxBxC in./mm
Description
WFHDP7236 63.77 x 28.93 x 1.12
1620 x 735 x 28
Panel





ReaR coVeRs
The heavy-duty rear cover is designed for those applications when
the drive is mounted directly to the rear cover of the enclosure
instead of to the panel. Select a rear cover for each door.
BULLETIN: A3RHD
Catalog Number
AxBxC in./mm Description
Material
WFHD3RC7236 63.69 x 29.25 x 1.29
1618 x 743 x 33
Aluminum Rear Cover .100-in. Aluminum
WFHD3RCH7236 63.69 x 29.25 x 1.29
1618 x 743 x 33
Heavy-Duty Rear Cover 12 Ga. Mild Steel





JoininG KiT
The joining kit will work on either one- or two-door models. The kit
includes hardware and instructions. Enclosures should be joined/
ganged at the application site, as the kit is not designed to be used
while the enclosures are in transit.
BULLETIN: A3RHD
Catalog Number Description
WFHDJK Joining Kit
impelleR
Each Impeller package includes one high-performance, 115 VAC 60
Hz,shieldedimpellerandanaluminumhousing.Eachventedbase
has a provision for two impellers per door.
Please see performance chart below.
BULLETIN: A3RHD
Catalog Number
Description
Impeller Qty.
WFHDFP Impeller Package 1







CFM Performance Chart
Number of
Impellers
CFM
Maximum Heat
Disipation at
10° ΔT (W)
Maximum Heat
Disipation at
20° ΔT (W)
Maximum Heat
Disipation at
30° ΔT (W)
Maximum Heat
Disipation at
40° ΔT (W)
1 840 2,654 5,309 7,963 10,618
2 1680 5,309 10,618 15,926 21,235
3 2520 7,963 15,926 23,890 31,853
4 3360 10,618 21,235 31853 42,470
Calculated using the following equation: Watts = .316 x CFM x ΔT