FORM: QM1354
Rev 6, November 2010
Page 1 of 4
Munters Corporation
4215 Legion Dr. Mason, MI 48854-1036 USA
(517) 676-7070 Fax (517) 676-7078
www.munters.us/aerotech
SSC and SSC1
Select Speed
Control
R
Ventilation Systems
R
FORM: QM1354
Rev 6, November 2010
Page 2 of 4
Munters Corporation
4215 Legion Dr. Mason, MI 48854-1036 USA
(517) 676-7070 Fax (517) 676-7078
www.munters.us/aerotech
To achieve maximum performance and insure long life from your Aerotech product it is essential
that it be installed and maintained properly. Please read all instructions carefully before
beginning installation.
Section
USER'S MANUAL and INSTALLATION GUIDE
TABLE OF CONTENTS
THANK YOU
PLEASE NOTE
Parts list ........................................................................................................................... 2
Installation Instructions .................................................................................................... 2-3
Troubleshooting ............................................................................................................... 3
Thank you for purchasing an Aerotech Select Speed Control. Aerotech equipment is
designed to be the highest performing, highest quality equipment you can buy. With the
proper installation and maintenance it will provide many years of service.
WARRANTY
For Warranty claims information see the "Warranty Claims and Return Policy" form QM1021
available from the Munters Corporation ofce at 1-800-227-2376 or by e-mail at aerotech@
munters.com.
Conditions and Limitations:
• Products and Systems involved in a warranty claim under the “Warranty Claims and Return
Policy” shall have been properly installed, maintained and operated under competent
supervision, according to the instructions provided by Aerotech Ventilation Systems,
Munters Corporation.
• Malfunction or failure resulting from misuse, abuse, negligence, alteration, accident or lack
of proper installation or maintenance shall not be considered a defect under the Warranty.
FORM: QM1354
Rev 6, November 2010
Page 3 of 4
Munters Corporation
4215 Legion Dr. Mason, MI 48854-1036 USA
(517) 676-7070 Fax (517) 676-7078
www.munters.us/aerotech
INSTALLATION INSTRUCTIONS
Control Specifications:
Input Voltage: 220-240 VAC (SSC)
110-120VAC (SSC1)
Phase: 1
Hertz: 50/60
Maximum Load: 7 Amp (SSC)
10 Amp (SSC1)
- (1) 36" Fan only
NOTE: The Select Speed Control
is designed to provide manually
adjusted speed control of a perma-
nent split capacitor (PSC), variable
speed fan motor. Do not connect to
other types of loads.
4
3
⁄/4"
2
9
⁄/16"
WARNING: This is a semiconductor device which can be instantly damaged by short circuits.
Confirm that all wiring connections are correct before applying power.
WARNING
!
High Voltage,
disconnect power
before installation.
Figure 1
Step 2
Drill entrance hole(s) in bottom of box
for wiring, never in top of box. Use
watertight connectors or PVC conduit
to seal all wiring entrances.
Step 1
Open enclosure and mount rear
portion on a secure surface using
(4) #6 x 1" screws (not provided)
through holes in back of box. See
Figure 1.
PARTS LIST
4
13
⁄/16"
3
7
⁄/16"
FORM: QM1354
Rev 6, November 2010
Page 4 of 4
Munters Corporation
4215 Legion Dr. Mason, MI 48854-1036 USA
(517) 676-7070 Fax (517) 676-7078
www.munters.us/aerotech
TROUBLE SHOOTING
Step 4
If continuous ventilation is important, as in animal housing, each room must have at least two electrical
circuits for ventilation in case one circuit should fail. Put this control on one circuit and remaining ventilation
fans on other circuits.
Step 5
Conrm wiring connections are correct, close box and apply power. Adjust control to
give desired fan RPM. Do not run fan below its minimum safe speed:
• 9" fans -- 700 RPM minimum
• 14-24" fans -- 500 RPM minimum
• 26" fans -- 550 RPM minimum
• 36" fans -- 320 RPM minimum
Step 6
Installation is complete. When control is in operation, periodically remove dust buildup
from faceplate using a brush or cloth. Never use liquids to clean electrical controls.
Step 3
Make electrical connections as shown. See Figure 2. All wiring should be installed in accordance with
National, State and Local electrical codes. Only one 36" variable speed fan may be operated on each con-
trol.
KEY:
L1 = Line 1 H = Hot
L2 = Line 2 N = Neutral
G = Ground
NOTE: Information in parenthesis refers to 120VAC control.
Figure 2
WARNING
!
Do not power
wash.
WARNING
!
High Voltage,
disconnect power
before servicing.
Fan not operating
1. Speed control set to low.
2. Blown fuse or open circuit
breaker.
3. Speed control defective.
4. Motor defective.
POSSIBLE CAUSE
Increase idle speed setting.
Replace fuse or reset breaker.
Repair or replace control.
Repair or replace motor control.
CORRECTIVE ACTION
SYMPTOM
Fan operating full
speed
1. Speed control set to full.
2. Speed control defective.
Set to lower setting.
Repair or replace control.
Black Red
L1 (H)
L2 (N)
G
240VAC
(120VAC)
Power
To Load
SSC - 7 amp Max.
(SSC1 - 10 amp Max)
Select Speed Control
SSC (SSC1)
(COOL.)
(COM.)
Optional Thermostat
R
WB
Circuit Breaker Switch
or Equivalent
T1
T2
T1
T2
G
L1
L2
-
1
-
2
-
3
-
4
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