Mammoth 800 to 5500 CFM: Dedicated Outdoor Air System with Enthalpy Wheels (VHC) - Manual (Page 23)

MAMM-VHC-IOM-1A (JANUARY 2013) 23
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 medium efficiency
Wheel size 36” x 4” [914 x 102 mm] 42” x 4” [1,067 x 102mm] 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]
6” wheel depth standard efficiency
Wheel size 36” x 6” [914 x 152 mm] 42” x 6” [1,067 x 152 mm] 50” x 6” [1,270 x 152 mm]
Cassette size
40” x 40” x 6.5”
[1,016 x 1,016 x 165 mm]
46” x 46” x 6.5”
[1,168 x 1,168 x 165 mm]
54” x 54” 6.5”
[1,372 x 1,372 x 165 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 7 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 7 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
4” [102 mm] prefilter
MEF (MERV 7 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] prefilter
HEF (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
1,800 lbs [818 kg] 2,000 lbs [909 kg] 2,200 lbs [1,000 kg]
WSHP – add 590 lbs [268 kg] 755 lbs [343 kg] 890 lbs [405 kg]
Max unit 2,884 lbs [1,311 kg] 3,351 lbs [1,523 kg] 3,850 lbs [1,750 kg]
Roofcurb – add 210 lbs [95 kg] 250 lbs [114 kg] 270 lbs [123 kg]
Appendix D: Equipment Data