Nortec SE Series - Manual (Page 13)

Installation | 10
Typical Humidifier Installation
Figure 5: Typical Humidifier Installation
Air gap
Pressurized
steam supply
Water supply
30-80 psig
Tank drain
Condensate
return to boiler
1- 24 VAC
2- On/Off Loop
3- Ctrl Ground
4- Control Signal
5- Limit Signal
6- 5 VDC
7- Ground
8-
9-
Tank Blow Down
Ground
10- Actuator
11- Actuator
12- 0-10 VDC Out
On/Off
Controls
Modulation
Controls
E
X
T
S
E
T
C
/
P
L
1
N
G
ro
u
n
d
Dedicated
Circuit Breaker
or Disconnect
SETC/P
EXT
2 in.
(5 cm)
min.
1ft (30 cm)
1 ft (30 cm)
min.
Location
Mounting
Pg 11
Steam
Distribution
Pg 17
Controls
Pg 23
Plumbing
Pg 14
Boiler
Steam
Pg 15
Electrical
Pg 22
30 in.
(76 cm)
Min.
Side
Clearance
30 in.
(76 cm)
Min.
Front
Clearance
36 in. (91 cm)
Min. Top Clearance
(0 in SE 50)
30 in.
(76 cm)
Min.
SE 1050
SAM-e Distribution Manifold