Nortec SETC Outdoor - Manual (Page 11)

Installation | 8
Typical SETC Outdoor Installation
Figure 4: Typical Humidifier Installation
1- 24 VAC
2- On/Off Loop
3- Ctrl Ground
4- Control Signal
5- Limit Signal
6- 5 VDC
7- Ground
8-
9-
Tank
Ground
10- Actuator
11- Actuator
12- 0-10
Blow Down
VDC Out
On/Off
Controls
Modulation
Controls
E
X
T
S
E
T
C
/
P
L1 N
G
rou
nd
Dedicated
Circuit Breaker
or Disconnect
SETC
EXT
Air
gap
2 in.
(5 cm)
min.
1ft (30 cm)
Location/
Mounting
Pg 9
Steam
Distribution
Pg 15
Controls
Pg 17
Pressure
Steam
Pg 14
Electrical
Pg 16
Pressurized
steam supply
Water
supply
30-80
psig
Tank and
auxiliary drain
Condensate
return to boiler
SAMe Distribution Manifold
Plumbing
Pg 12
30 in.
(76 cm)
Min.
Side
Clearance
30 in.
(76 cm)
Min.
Front
Clearance
36 in. (91 cm)
Min. top clearance
(SE525 - 1050 only)
30 in.
(76 cm)
Min.
Clearance
SE 525
- 1050
only
10 in. (25 cm) Min.
back clearance
(SE525 - 1050 only)