Appendix D: Equipment Data
Table D1: VHC-36, -42 and -50 Equipment Data
VHC-36
VHC-42
VHC-50
Fans
Supply type – Belt drive, ODP
Wheel type
Forward curved
Forward curved
Forward curved
Bearing
Pillow block
Pillow block
Pillow block
Motor (HP)
0.5 to 5
0.5 to 5
1 to 10
Supply type – Direct drive, ODP
Wheel type
Backward inclined airfoil
Backward inclined airfoil
Backward inclined airfoil
Motor (HP)
0.5 to 5
0.5 to 5
1 to 10
Exhaust type – Belt drive, ODP
Wheel type
Forward curved
Forward curved
Forward curved
Bearing
Pillow block
Pillow block
Pillow block
Motor (HP)
0.5 to 5
0.5 to 5
1 to 10
Energy Recovery Module
4” wheel depth standard efficiency
Wheel size
36” x 4” [914 x 102 mm]
42” x 4” [1,067 x 102 mm]
50” x 4” [1,270 x 102 mm]
Cassette size
40” x 40” x 4.5”
[1,016 x 1,016 x 114 mm]
46” x 46” x 4.5”
[1,168 x 1,168 x 114 mm]
54” x 54” x 4.5”
[1,372 x 1,372 x 114 mm]
8” wheel depth high efficiency
Wheel size
36” x 8” [914 x 203 mm]
42” x 8” [1,067 x 203 mm]
50” x 8” [1,270 x 203 mm]
Cassette size
40” x 40” x 8.5”
[1,016 x 1,016 x 216 mm]
46” x 46” x 8.5”
[1,168 x 1,168 x 216 mm]
54” x 54” x 8.5”
[1,372 x 1,372 x 216 mm]
Wheel substrate
Aluminum
Aluminum
Aluminum
Wheel desiccant
Silica gel
Silica gel
Silica gel
Wheel performance
0.20 to 0.90” w.g.
0.20 to 0.90” w.g.
0.30 to 1.00” w.g.
Filters
Supply and return
2” [51 mm] MEF
(MERV 8 30–35%)
1 of 20” x 20” [508 x 508 mm] &
1 of 16” x 20” [406 x 508 mm]
1 of 18” x 24” [457 x 610 mm] &
1 of 24” x 24” [610 x 610 mm]
4 of 16” x 24” [406 x 635 mm]
4” [102 mm] MEF
(MERV 8 30–35%)
1 of 20” x 20” [508 x 508 mm] &
1 of 16” x 20” [406 x 508 mm]
1 of 18” x 24” [457 x 610 mm] &
1 of 24” x 24” [610 x 610 mm]
4 of 16” x 24” [406 x 635 mm]
Supply only
1” [102 mm] prefilter
MEF (MERV 8 30–35%)
1 of 20” x 20 “ [508 x 508 mm] &
1 of 16” x 20” [406 x 508 mm]
1 of 18” x 24” [457 x 610 mm] &
1 of 24” x 24” [610 x 610 mm]
4 of 16” x 25” [406 x 635 mm]
4” [102 mm] HEF secondary filter
(MERV 14 80–85%)
1 of 20” x 20” [508 x 508 mm] &
1 of 16” x 20” [406 x 508 mm]
1 of 18” x 24” [457 x 610 mm] &
1 of 24” x 24” [610 x 610 mm]
4 of 16” x 25” [406 x 635 mm]
Maximum Weight
Base unit, no heating or cooling
1,825 lbs [829 kg]
2,035 lbs [923 kg]
2,250 lbs [1,020 kg]
Heating coil – add
65 lbs [30 kg]
85 lbs [39 kg]
90 lbs [41 kg]
Non-integrated cooling coil – add
128 lbs [58 kg]
162 lbs [74 kg]
242 lbs [110 kg]
Air cooled integrated cooling – add
390 lbs [177 kg]
523 lbs [237 kg]
664 lbs [301 kg]
Gas heat – add
465 lbs [210 kg]
480 lbs [217 kg]
530 lbs [240 kg]
WSHP – add
605 lbs [274 kg]
775 lbs [351 kg]
920 lbs [417 kg]
Max unit
3,057 lbs [1,387 kg]
3,555 lbs [1,612 kg]
4,117 lbs [1,867 kg]
Roofcurb – add
274 lbs [124 kg]
308 lbs [139 kg]
360 lbs [163 kg]
Extended cabinet roofcurb – add
352 lbs [159 kg]
390 lbs [176 kg]
450 lbs [204 kg]
VCES-VHC-IOM-1F – VHC-36, -42 & -50
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