Munters SN1010 Owner's manual

Munters SN1010 Owner's manual
SN1010
NATURAL VENTILATION CONTROLLER
SN 1010
A e r o C u r ta in 1 .0
S E T P O IN T
20
AUTO
15
25
30
OPEN
10
OFF
35
MANUAL
Aerotech, Inc.
4215 Legion Dr.
Mason, MI
48854-1036 USA
Ph. (517) 676-7070 Fax (517) 676-7078
5
CLOSE
FORM: QM 1303
Dec. 1997
SN1010: NATURAL VENTILATION CONTROLLER
Œ
INTRODUCTION
The SN1010 is a temperature controller used to operate natural ventilation curtains. A
target set point can be specified, as well as opening, closing and off times for the
curtains. Additional features include:
- overload protection on the output
- a 115/230 VAC - 50/60Hz power supply

PRECAUTIONS
Although fuses at the outputs of the controller protect its circuits in case of
an overload, we recommend installing an additional protection device on the
controller's supply circuit.
The room temperature where the controller is located MUST ALWAYS REMAIN
BETWEEN 32°F AND 104°F (0°C TO 40°C).
To avoid exposing the controller to harmful gases or excessive humidity, it is
preferable to install it in a corridor.
DO NOT SPRAY WATER ON THE CONTROLLER
Ž
MOUNTING INSTRUCTIONS
Remove the four screws on the front cover and lift the cover. Mount the enclosure on the
wall using three screws. Be sure the electrical knockouts are at the bottom of the enclosure
in order to prevent water from entering the controller. Insert the screws in the mounting
holes provided in three corners of the enclosure and tighten. Fasten the three black caps
provided with the controller onto the three mounting holes.

CONNECTIONS
To connect the controller, refer to the wiring diagram enclosed with this user's manual.
ð
Set the voltage switch to the appropriate voltage.
ð
Use the electrical knockouts provided at the bottom of the enclosure. Do not make
additional holes in the enclosure, particularly on the side of the enclosure.
ð
If metallic cable holders are used to secure cables entering the enclosure, use the
ground plate provided with the controller. Connect the ground wire to the ground stud
on the plate.
2
VOLTAGE
SWITCH
PARAMETER
ADJUSTMENTS
GROUND
PLATE
W IN C H
OPEN
CLO S E
ALL WIRING MUST BE DONE BY AN AUTHORIZED ELECTRICIAN AND
MUS T COMP LY WI T H AP P L I CABL E CO DE S , L AWS AN D
REGULATIONS. BE SURE POWER IS OFF BEFORE DOING ANY
WIRING TO AVOID ELECTRICAL SHOCKS AND EQUIPMENT DAMAGE.
3

LOCATION OF THE CONTROLS
SN 1010
A e ro C u rta in 1 .0
SET POINT
ADJUSTMENT
S E T P O IN T
MODE
SELECTOR
2 0
AUTO
1 5
2 5
3 0
1 0
OPEN
OFF
3 5
5
CLOSE
MANUAL
MANUAL
CONTROLS
Front Panel
CURTAIN DEAD
BAND ( F)
CURTAIN OFF
TIME (minutes)
o
DEAD BAND
CURTAIN OPENING
TIME (seconds)
Inside Box
4
OFF TIME
CURTAIN CLOSING
TIME (seconds)
‘
USING THE CONTROLLER
AUTOMATIC MODE
CURTAINS CLOSE
ACCORDING TO TIMER
SETTINGS
CURTAINS OPEN ACCORDING TO TIMER
SETTINGS
DEAD BAND
TEMPERATURE
SET POINT
When the temperature rises to Set Point + 1/2 (Dead Band), the curtains open according to the timer settings. When the temperature falls to Set Point — 1/2 (Dead Band),
the curtains close according to the timer settings. In between these two points, the
curtains are at rest. The dead band can be adjusted from 1oF to 20oF (0.2oC to 11.1oC)
using the potentiometer (TP1) inside the enclosure.
Timer Operation
The curtains open and close intermittently according to the timer settings. The off
time is the time the curtains stop. It applies to both the opening and the closing
cycles. It can be adjusted from 0 to 10 minutes using the potentiometer (TP2) inside
the enclosure. The opening and closing times can be adjusted from 5 to 120 seconds
using the potentiometers (respectively TP3 and TP4) inside the enclosure.
OPENING
TIME
OFF TIME
CLOSING
TIME
OFF TIME
5
ADJUSTING THE SET POINT
The set point can be adjusted from 40oF to 100oF (4 oC to 38oC).
n
Use the set point adjustment knob on the front panel to adjust the set point to the
desired value.
MANUAL MODE
Toggle switches on the front panel allow the user to manually control the operation of
the curtains. Place the left toggle switch in the manual position.
Use the right toggle switch to open, close or stop the curtains.
’
TECHNICAL SPECIFICATIONS
Supply:
115/230 VAC, 50/60 Hz.
12 VDC, if no AC voltage available.
Winch
Output:
OPEN-CLOSE output, 115/230 VAC, 50/60 Hz, 30 VDC, 5A winch output,
fuse F1-5A slow blow.
Use the right toggle switch to open, close or stop the curtains.
Enclosure: ABS, moisture and dust-tight.
The room temperature where the controller is located
MUST ALWAYS REMAIN BETWEEN 32 o AND 104 oF (0 o AND 40 oC).
6
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