Nortec NH-EL Series - Manual (Page 42)

39 | Start Up
Steam Line
- Adequate slope
- No restrictions
- No kinks (hose)
- Condensate traps
on long runs
P Trap .
.
with 12 in
(30 cm) min drop
.
Fused
Disconnect
Correct
voltage /
amps /
phase
per spec
label.
On/Off Controls
(Air Proving)
in series between
terminal 1 and 2
Min 10 ft (3 m)
Control
- Wired to terminal 4.
- On/Off in series between
terminal 1 and 2.
- In return duct or location
which represents humidified
space (no drafts, not by
door, not by diffuser).
Air
gap
1/2 in line min
30-80 PSI
Not plastic drain,
Not to sink.
High Limit
- Wired to terminal 5
- On/Off in series
between terminal
1 and 2
Mounting
- Unit level
- Screws into
structural member
- L Bracket on top
Spec label
Calculated absorption distance
to any obstruction or 8 - 10 ft
(2.4 - 3 m) if unknown.
2 x duct height
from fan or
transition
SPACE
SPACE
Installation Check
Before turning on power to the NH-EL, inspect the installation to ensure that it was carried out
correctly. Refer to Figure 35: Installation Check, to the NH-EL Pre-Start Up Checklist on page
46, and to the chapter on Installation that starts on page 9.
Figure 35: Installation Check