| Вид документа | Інструкція з монтажу |
|---|---|
| Виробник | JCI |
| Код документа | ln-series-sensors-installation-instructions |
| Група обладнання | LN Controller |
| Сторінок | 4 |
| Мова документа | англійська |
| Розмір файлу | 0.2 МБ |
Текст документа
Installation Instructions
Issue Date September 1, 2009
Supersedes December 1, 2004
LN Series Sensors
Installation
Application Requirements
Note: Wall surface must be flat and clean.
The LN Series Sensor analog wall sensor family is
specifically designed to interface with fan coil, heat 1. Remove security screw on the bottom of
pump, rooftop and other terminal unit building thermostat cover.
automation controls. The units provide precise indoor
2. Pull the bottom side of thermostat to open
local temperature sensing. Local setpoint adjustment
(Figure 1).
with various scales is available.
3. Pull cables 6 inches out of the wall.
The modern, attractive, low profile enclosure is
suitable for classrooms, hotels, executive areas, office 4. Insert cable in the central hole of the base.
spaces, and other commercial areas.
5. Align the base and mark the location of the two
mounting holes on the wall. Install proper side of
Mounting base up.
Location Consideration 6. Install anchors in the wall.
Install the sensor away from any heat source. 7. Insert screws in mounting holes on each side of
Do not install the sensor: the base. Do not overtighten.
• on an outside wall 8. Strip each wire 1/4 inch.
• near an air discharge grill 9. Insert each wire according to wiring diagram.
10. Gently push excess wiring back into the hole in wall.
• in a location affected by direct sun radiation
11. Press printed circuit board into place.
• in a location that restrains vertical air circulation to
the thermostat 12. Install the cover, top side.
13. Install security screw.
Wall Anchor
Pull on plastic tab
to release the
printed circuit board
Flip printed circuit
board to access Security Screw
mounting hole
Figure 1: LN Series Sensor
Figure 2: Sensor Installation
© 2009 Johnson Controls, Inc. 1
Code No. LIT-1201871 www.johnsoncontrols.com
Wiring CN1
Figure 3 shows the terminals. Generic Sensor wiring is
in Figure 4; please check Table 1 and Table 2 to verify 1 Normally open 10K type 2 NTC thermistor
Momentarily closed 5% precision
models. Override button
2
3 10K DA setpoint potentiometer
20% tolerance
Resistance increases on CW
4 rotation
5 24 Vac / Vdc externally powered LED
for occupied / unoccupied system
6 status
7
8
1/8 inch LONWORKS Network Port Connnection
CN2
1 LONWORKS Network Terminals 1-2 TP-FT10
or Smart Sensor +/- remote connection via
LONWORKS Network Port
2
3
Figure 3: Terminals 4
Figure 4: Sensor Wiring
Table 1: Sensor Functions
Part Number Sensor Temperature ± Scale C. Scale F. Scale Terminals
Override
LN-SENSOR-0 X 1, 2, 7, 8
LN-SENSLO-0 X X 1, 2, 5, 6, 7, 8
LN-SENOCW-0 X X X 1, 2, 3, 4, 5, 6, 7, 8
LN-SENOSC-0 X X X 1, 2, 3, 4, 5, 6, 7, 8
LN-SENOSF-0 X X X 1, 2, 3, 4, 5, 6, 7, 8
2 LN Series Sensors Installation Instructions
Table 2: Sensor Models
Part Number Description
LN-SENSOR-0 Room sensor – no setpoint
LN-SENSLO-0 Room sensor with LED, override push button
LN-SENOCW-0 Room sensor with LED, override push button, and setpoint adjustment (cool/warm)
LN-SENOSC-0 Room sensor with LED, override push button, and setpoint adjustment (°C)
LN-SENOSF-0 Room sensor with LED, override push button, and setpoint adjustment (°F)
LN-SENAV1-0 Room sensor containing four thermistors. Jumper configurable for averaging up to maximum of for
sensors connected in parallel. No setpoint.
LN-SENAV2-0 Room sensor containing four thermistors. Jumper configurable for averaging up to a maximum of four
sensors connected in parallel. With LED and Override push button. No setpoint.
Averaging Sensors Wiring Examples
Single Remote Room Sensor
1 x LN-SENAV2-0 LN-SENAV1-0
Wiring 1 Sensor Wiring 1 Sensor
S2 -1 = ON / S2 -2 = ON S2 -1 = ON / S2 -2 = ON
Scom
Scom Scom
OR
RS RS RS
Aux
AU
C
C DI
D2 D1
Dip switch ON S2-1 = ON
setting for: S2-2 = ON
1 sensor 1 2
Figure 5: Single Remote Room Sensor Wiring Example
Two Room Sensors for Averaging Applications
2 x LN-SENAV2-0
Wiring 2 sensors
2 x LN-SENAV1-0
S2 -1 = OFF / S2 -2 = ON
Wiring 2 sensors
Scom
Scom Scom S2 -1 = OFF / S2 -2 = ON
RS RS RS
Scom
Aux Aux Scom Scom
AU
C C
C
RS RS RS
DI DI
D2 D1 AU
1 x LN-SENAV1-0 and
1 x LN-SENAV2-0 C
Wiring 2 sensors
S2 -1 = OFF / S2 -2 = ON D2 D1 Dip switch ON S2-1 = OFF
setting for: S2-2 = ON
Scom
Scom Scom 2 sensors 1 2
RS RS RS
Aux
AU
C
C DI Notes for averaging applications:
D2 D1
LN-SENAV-1 and LN-SENAV2-0 can be mixed matched.
Wire LN-SENAV-1 and LN-SENAV2-0 in parallel.
Request the dip switch setting in each remote sensor.
Figure 6: Two Remote Sensors for Averaging Applications Wiring Example
LN Series Sensors Installation Instructions 3
Three Room Sensors for Averaging Applications
2 x LN-SENAV1-0 and 1 x LN-SENAV2-0 1 x LN-SENAV1-0 and 2 x LN-SENAV2-0
Wiring 3 sensors Wiring 3 sensors
S2 -1 = OFF / S2 -2 = OFF S2 -1 = OFF / S2 -2 = OFF
Scom
Scom Scom S com
Scom
RS RS RS RS Scom
Scom Scom Scom
Aux
AU
C
RS RS RS RS
C DI Aux Aux
AU
D2 D1 C C
C DI DI
D2 D1
Dip switch ON S2-1 = OFF
setting for: S2-2 = OFF
3 sensors 1 2
Figure 7: Three Room Sensors for Averaging Application Wiring Example
Temperature versus Resistance Chart for 10 K ohm NTC Thermistor
ºC ºF K ohm ºC ºF K ohm ºC ºF K ohm ºC ºF K ohm ºC ºF K ohm
-20 -4 87.1310 -10 14 51.3490 0 32 31.1410 10 50 19.4020 20 68 12.3980
-19 -2 82.5330 -9 16 48.7820 1 34 29.6670 11 52 18.5320 21 70 11.8710
-18 0 78.2010 -8 18 46.3570 2 36 28.2700 12 54 17.7050 22 72 11.3690
-17 1 74.1190 -7 19 44.0650 3 37 26.9460 13 55 16.9190 23 73 10.8900
-16 3 70.2710 -6 21 41.8990 4 39 25.6910 14 57 16.1720 24 75 10.4340
-15 5 66.6420 -5 23 39.8490 5 41 24.5000 15 59 15.4620 25 77 10.0000
-14 7 63.2200 -4 25 37.9110 6 43 23.3710 16 61 14.7870 26 79 9.5858
-13 9 59.9910 -3 27 36.0770 7 45 22.3000 17 63 14.1450 27 81 9.1909
-12 10 56.9430 -2 28 34.3410 8 46 21.2840 18 64 13.5330 28 82 8.8143
-11 12 54.0660 -1 30 32.6970 9 48 20.3190 19 66 12.9520 29 84 8.4549
Building Efficiency
507 E. Michigan Street, Milwaukee, WI 53202
Metasys® and Johnson Controls® are registered trademarks of Johnson Controls, Inc.
All other marks herein are the marks of their respective owners. © 2009 Johnson Controls, Inc.
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