Nortec SE 1050, SE750, SE 50, Se100, SE 175 Installation And Operation Manual
...
Tank
Clean Out
Port
Heat
Exchanger
Gasket
Base
Total Controller
Float Chamber
Manual Drain Switch
Heat
Exchangers
(Faceplate)
Display and Keypad
Steam Outlet
Transformer
Fill Box
Vacuum Break
Steam Inlet
(Boiler Steam)
Control Terminal Strip
On/Off Switch
Remote Relay
Board
Driver Board
High Voltage
Terminal Block
Actuator
Wye Strainer
Steam Trap
Drain Pump
Mixing Box
CV Valve
Fill Valve
Drain Outlet
P Trap
Condensate Drain
(Boiler Steam)
Auxiliary Drain
Outlet
SETC50
Note:
SE 750 has
outlets
SE 525
-
750
SE
100
-
175
SE
1050
SE 250
-
375
2 steam
E
Ground
Location
Mounting
Pg 11
Steam
Distribution
Pg 17
1 ft (30 cm)
Plumbing
Pg 14
Boiler
Steam
Pg 15
Controls
Pg 23
Electrical
Pg 22
Modulation
Controls
2 in.
(5 cm)
min.
1ft (30 cm)
min.
On/Off
Controls
30 in.
(76 cm)
Min.
SE 1050
SAM-e Distribution Manifold
36 in. (91 cm)
Min. Top Clearance
(0 in SE 50)
30 in.
(76 cm)
Clearance
Min.
Side
30 in.
(76 cm)
Min.
Front
Clearance
Pressurized
steam supply
Water supply
30-80 psig
Tank drain
Air gap
Condensate
return to boiler
123- Ctrl Ground
45-
78-
9- Ground
10-
11-
12-
S
E
X T
T
C
/
P
24 VAC
On/Off Loop
Control Signal
Limit Signal
6-
5 VD C
Ground
Tank Blow Down
Actuator
Actuator
0-10 VDC Out
Dedicated
Circuit Breaker
or Disconnect
SETC/P
EXT
As Close as
Possible to Steam
Distributor
Mount
Humidifier
evel
5-95%
36 in. (91 cm) Min.
Top Clearance
(0 in. for SE50 only)
30 in.
(76 cm)
Min.
SE 1050
only
30 in.
(76 cm)
Min. Side
Clearance
Condensate drain
line must be
sloped down, do
not use to lift
condensate
30 in.
(76 cm)
Min. Front
Clearance
Fasten
SE
humidifier
nuts
Nm).
Note:
Center
support
only
and larger.
Secure
stand
to
floor
(hardware
by
others)
Mount stand on level surface
Ensure humidifier is Level
lock washers, and
to 200 in-lb (22.6
four places.
to stand with bolts,
provided. Tighten
present on SE 525
Anchor 3/8 in (M10)
support rods to ceiling
(by others)
12.8 in.
(32.6 cm)
Sloped drain
1/2 in. pipe
(by others)
Support rods and hardware
(by others) must not extend
below support bracket flange.
0.75 in. (19 mm). OD
un-threaded drain outlet
Connect with hose cuff
and hose clamps.
1/2 in. NPT
Use union to connect
supply pipe to unit.
Always install a water
shut-off valve.
Air gap required.
2 1/2 in. to 1 1/4 in. copper
reducer is ideal.
Hose/line must not touch
the bottom of the funnel.
Min. 1 1/4 in. OD drain line.
Slope down. Increase size
if combining multiple drains.
Axillary drain, 1/2 in. female NPT
For draining tank without pump. Leave
valve closed except if freeze protection is installed.
*Pipe, unions, and water shut-off valve not supplied by NORTEC.
6 in.
cm)
Boiler
steam
supply
psi
measured
at CV
Valve
Actuator
(optional)
F&T Trap
Wye Strainer
Isolation
Valve
Boiler
steam
(see table 3)
Condensate
Drain
Condensate
drain
line.
must be lifted.
Boiler steam
inlet port location
on SE 1050
(15
Max
CV Valve
(see table 3)
inlet port
Port (see table 3)
line. Max 15 psi, Min 5
Pressure
gauge
Note: Nortec supplies CV valve, actuator
and wye strainer. All other
components and fittings by others.
Gravity feed to boiler.
Use pump if condensate
condensate header
Not pressurized
(slope down)
Pressurized condensate
header
Install jam nut
and lock washer
Turn stem
extension
until holes
line up
1/2 in. (1.2 cm)
CV Valve
Install stem
extension
min.
Insert
connecting
pin
Actuator
Raise valve
stem to full up
2 turns then
push in and
1/8 turn to lock
Tighten jam nut
against stem extension
Install and
tighten
mounting nut
10 Degrees
2 in.
) 1 ft
(30 cm)
Use Appropriate Slope Insulate Pipe
(5 cm
0.5 in.
(12 mm)
St
eam
Dire
ction
1ft (30 cm)
2 Degrees
1 in. (2.5 cm) pipe
insulation
as steam
line
12 in. (30 cm)
min drop to
top of Trap
Tee is same size
Use a full size tee, not a 90
degree elbow for vertical
to horizontal transitions.
Traps Use:
-
NORTEC 0.375 in condensate hose .
-
1/4 in Med-L copper tubing, or
-
0.375 in stainless steel tubing
Condensate drains must be sloped down.
Route to humidifier fill cup if possible.
Calculated absorption
obstruction
if unknown
2 x duct
height min.
2/3 Duct
12 in.
(30
cm)
min.
Mount
distributor
to side of duct
distance to any
or 8-10 ft (2.4 - 3 m)
height
Insulated copper
steam line. Support
so weight is not on
steam outlet.
1 ft (30 cm)
min. before
anybend
2 in. (5 cm)
Hose cuff
with clamps
1 ft (30 cm)
min.
Condensate line
Trap
To drain
Use steam hose between
steam outlet and steam line.
Min 12 in.
1 ft (30 cm)
0.5
in. (1.2 cm)
min.
1ft (30 cm)
re
Obstruction
1 ft (30 cm)
Use full s
ize condensate
tee
to
and immediately
after it.
Trap To drain
Trap To drain
(30 cm)
radius
Hose will soften
over time
proper support
Is necessary
1 ft (30 cm)
min. Before
any bend
Support Brackets
Install Condensate Tee
Before Distributor
Trap
1 ft (30 cm)
min.
Trap
To drain
To drain
min. befo
any bend
at low point. Slope lines up
min.
Method for Longer Runs With Limited Vertical Space
1 ft (30 cm)
min before turn
Condensate
tee every
15-20 ft
(4.5 - 6 m)
Install condensate tee
before distributor
Condensate
tee at low
points
Individually trap multiple condensate
returns before joining on common line.
1 ft (30 cm)
min.
To Drain
Knockouts provided
in top and bottom panels.
Install strain relief (by others)
High voltage
terminal block
Note:
1 Dedicated external fused
disconnect must be installed.
Fusing must not exceed max
circuit protection as indicated
on the specification label.
2 Ensure that adequate power is
available to carry full humidifier
amp draw as indicated on the
specification label.
3 All wiring to be in accordance
with national and local electrical
codes.
Single Phase Supply
Ground
L1
Neutral
SETC / P Primary Power
Dedicated circuit
breaker or fused
disconect.
E I
X N
Ground
L1
Neutral
T T
10 ft min.
1
Air
Proving
Switch
2
Duct High
Limit
3
Humidity
Control
(return air
duct or
in room)
Air Proving
Com
Humidifier Terminal Strip
Switch
Duct High Limit
2548732 -On/Off
Duct Humidistat
Humidity Control
2548731 - On/Off
Wall Humidistat
Air Proving Switch
Wire to make when
sensing air flow
N/O
Knockouts provided
in top and bottom panels.
Install strain relief (by others)
Duct High Limit
2548732 - On/Off Duct Humidistat
Wire to make on drop in humidity
Note: 1 Humidifier will run when circuit between
terminal 1 and 2 on humidifier is closed.
2
Terminal 1 is 24VAC Hot, turn unit off to
avoid shorting while wiring.
3
Digital Humidistats require 24 VAC power
from terminals 1 and 3 of humidifier.
4
Humidity Control can be wall mounted
as shown or return air duct mounted.
Humidity Control
2548731 - On/Off Wall Humidistat or,
2548732 - On/Off Duct Humidistat
Connect 24 VAC ,
term inal 1 of hum id ifie r to
term inal 2 of co n t rollers.
OR
E S
X E
T
1- 24 VAC
2 - On/Off Loop
3 - Ground
4 - Control Signal
5 - Limit Signal (SETC only)
6 - 5 VDC
7 - Grou nd
8 - Full Tank Blow Down
9 - Ground
10 - Actuator power
11 - Actuator power
12 - 0-10 VDC Out
Air Proving
1
-
Ground
1 -
G
r
ou
n
d
Switch
High Limit Humidistat
Control Humidistat
Humidifier Terminal Strip
Note: 1
Install On/Off controls or jumper between
terminal 1 and 2 of humidifier in order to run.
2
Terminal 1 is 24 VAC Hot, turn unit off to
avoid shorting while wiring.
3
High Limit Humidistat must be duct mounted.
It can be On/Off or modulating.
4
Control Humidistat can be mounted in space
or in return air duct and can be On/Off or
modulating.
5
The SEP can only accept one modulating
signal.
Knockouts provided
in top and bottom panels.
Install strain relief (by others)
2520266 - Digital Duct Humidistat
Analog Out - 3
24 VAC - 2
Ground - 1
Package
2 - 24 VAC
6 - Analog Out
7 - Analog In
8 - Temperature
Connect 24 VAC, terminal
1 of SETC/P to terminal
2 of controllers.
1510142 - Digital Wall Humidistat
2 - 24 VAC
6 - Analog Out
8 - Temperature
Insert On/Off
controls or jumper
between 1 and 2
1- 24 VAC
2 - On/Off Loop
3 - Ground
4 - Control Signal
5 - Limit Signal (SETC only)
6 - 5 VDC
7 - Ground
8 - Full Tank Blow Down
9 - Ground
10 - Actuator power
11 - Actuator power
12 - 0-10 VDC Out
E
S
X
E
T
1
-
Ground
Temperature
1
-
Ground
Out
Air Proving
only)
Switch
Duct High
Limit
2520261 - Digital
WallW/O Sensor
1509858 - Wall
Sensor
Humidifier Terminal Strip
2520261 - Digital
Wall W/O Sensor
Connect 24 VAC, terminal
1 of SETC/P to terminal
2 - 24 VAC
6 - Analog Out
2 of controllers.
2520261 - Digital Wall W/O Sensor
+
1509858 - Wall Sensor
Wire wall sensor to digital display as shown
below, wire digital display to humidifier as shown
for 151014 2 - Digital Wall Humidistat.
Knockouts provided
in top and bottom panels.
Install strain relief (by others)
7 - Analog In
8 -
2 - 24 VAC
6 - Analog
1509858 - Wall
Sensor
1- 24 VAC
2 - On/Off Loop
3 - Ground
4
- Control Signal
5
- Limit Signal (SETC
6
- 5 VDC
7
- Ground
8
- Full Tank Blow Down
9 - Ground
10 - Actuator power
11 - Actuator power
12 - 0-10 VDC Out
1
- Ground
Out
Air Proving
1
-
Ground
Out
E
Switch
Duct High Limit
1509857 - 2-10V
Duct Humidity
Transducer
Humidity Control
1509858 - 2-10V Wall
Humidity Transducer
Humidifier Terminal Strip
1509857 - 2-10V Duct Humidity
Transducer
Note: 1
Install On/Off controls or jumper between
terminal 1 and 2 of humidifier .
2
Terminal 1 is 24 VAC Hot, turn unit off to
avoid shorting while wiring.
3
Duct High limit can be duct humidity
transducer as shown or duct On/Off
humidistat.
4
Humidity Control can be wall humidity
transducer as shown, duct humidity
transducer, or On/Off humidistat.
Knockouts provided
in top and bottom panels.
Install strain relief (by others)
1509858 - 2-10V Wall Humidity
Transducer
2 - 24 VAC
Co n n ect 24 VAC ,
term inal 1 of SETC to
term inal 2 of con tro llers
3 - Analog
2 - 24 VAC
6 - Analog
Insert On/Off
controls or jumper
between 1 and 2
E
S
X
T
1- 24 VAC
2 - On/Off Loop
3 - Ground
4
- Control Signal
5
- Limit Signal (SETC only)
6 - 5 VDC
7
- Ground
8
- Full Tank Blow Down
9 - Ground
10 - Actuator power
11 - Actuator power
12 - 0-10 VDC Out
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