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Page 11
2008-10-01
RIGHT
FRONT
LEFT
TOP
FRONT VIEW
BOTTOM VIEW
KNOCKOUT FOR
POWER LINE AND
HOLES FOR CONTROL
WIRING
KNOCKOUT FOR
OPTIONAL
WATER INLET
BACK VIEW
STEAM LINE
CONNECTION
1.750inch OD
ROOF CURB
BY OTHERS
FILL WATER LINE,
SINGLE OR DOUBLE,
1/2" NPT BY OTHERS
SECONDARY FILL LINE
ONLY FOR NHRS.
1/2" NPT BY OTHERS
EXPLODED VIEW
POWER KNOCKOUTS
TO AND FROM
BREAKER
FRONT
ROOF PIPE
CHASES
A
B
E
D
C
3 3/4" MAX
(9.5cm)
F
G
5"
(12.7cm)
5"
(12.7cm)
4"
(10.16cm)
Model Front Left Right Back(Curb Mount)
** 0-50lbs 24" (60.96cm) 0 20" (50.80cm) 6" (15.25cm)
50-100lbs 24" (60.96cm) 0 20" (50.80cm) 6" (15.25cm)
100-200lbs 38" (96.52cm) 0 20" (50.80cm) 6" (15.25cm)
Minimum Required Clearance
Model Dimension F Dimension G Curb Height
** 0-50lbs 20.1" (51.1cm) 13.3" (33.8cm) 15"(38.1cm) Min.
50-100lbs 25.1" (63.8cm) 18.1" (46.0cm) 15"(38.1cm) Min.
100-200lbs 41.1" (104.4cm) 18.1" (46.0cm) 15"(38.1cm) Min.
Roof Curb Height
Model Weight (lbs)
0-50 lbs
50-100lbs
100-200lbs
Model Dim. A Dim. B Dim. C Dim. D Dim. E
** 0-50lbs 34.7" (88.1cm) 25.0" (63.5cm) 15.5" (39.4cm) 3.4" (8.6cm) 7.9" (20.1cm)
50-100lbs 55.1" (140.0cm) 30.0" (76.2cm) 20.4" (51.8cm) 3.1" (7.8cm) 12.75" (32.4cm)
100-200lbs 55.1" (140.0cm) 46.0" (116.8cm) 20.4" (51.8cm) 3.1" (7.8cm) 12.75"/28.75" (32.4cm/73.1cm)
Major Dimensions
99 lbs (45 kg)
137 lbs (62 kg)
206 lbs (93 kg)
NH Outdoor Enclosure Physical Data Sheet
Small/Medium/Large models
May 21 2008
NHRS humidifiers under 50lbs/hour require a medium Outdoor Enclosure
Figure 1. Recommended Clearances and Curb Dimensions