SCHEDULE TYPE
PROJECT
ENGINEER
CONTRACTOR
DATE
B SERIES
SUPERSEDES DRAWING NO.
9 - 3 - 20
FD-ACC
3 - 29 - 18
DTS
DAMPER TEST SWITCH
FOR USE WITH ALL SMOKE AND COMBINATION
FIRE/SMOKE DAMPERS
MODEL: DTS
Nailor Industries Inc. reserves the right to change any information concerning product or pricing without notice.
Page 2 of 2
DTS LABEL VARIATIONS:
WIRING DIAGRAMS:
nailor.com
DTS Push
To Test
Primary
Temp.
Sensor
Reset
165°F
Combination Fire & Smoke Damper
DTO/DTS Dual Temperature
Override Sensor/Damper Test Switch
High Limit
Sensor Reset
250°F
350°F
Press and hold down
"Momentary" push
button until damper
has fully cycled. The
temperature limits are
manual reset type.
DTO/DTS 12-19
nailor.com
Combination Fire & Smoke Damper
ERL/DTS Electric Resettable Link/
Damper Test Switch
ERL
Reset
Temp.
165°F
212°F
250°F
350°F
ERL/DTS 12-19
DTS Push
To Test
Press and hold down "Momentary"
push button until damper has fully
cycled. The electric resettable link
is manual reset type.
SMOKE DAMPER
DTS Damper Test Switch
Push
To Test
Press and hold down "Momentary" push button until
damper has fully cycled.
DTS 12-19
ERL/DTS Combination Fire/Smoke Damper DTO/DTS Combination Fire/Smoke Damper
DTS Smoke Damper
Model Series
Open (OP)
Closed (CL)
MSXX04
Yellow / Yellow
Blue / Blue
MSXX20
Yellow / Yellow
Blue / Blue
Honeywell Actuator Aux. Switch Wiring Connections
WHT
BLK
BLK
BLK
(BLK)
(RED)
L2
L1
CLOSED
(RED LIGHT)
OPEN
(GREEN LIGHT)
CONTROL
SWITCH
NORMAL
MS2 DAMPER CLOSED
LOWER MICROSWITCH
BLU
BLU
YEL
YEL
MS1 DAMPER OPEN
UPPER MICROSWITCH
CLOSED
REMOTE CONTROL
STATION
(BY OTHERS)
4" x 4" ELECTRICAL BOX
MOUNTED ON DAMPER (FACTORY
WIRING TERMINATES AT SPLICE
POINTS INDICATED)
SMOKE
DETECTOR
(IF USED)
120 VAC. (24 VAC)
ELECTRIC
ACTUATOR OR
EP SWITCH
HEAT
SENSOR
(ERL)
PUSH
BUTTON
TEST
SWITCH
(DTS)
M
DTS/ERL with MLS-300 Nailor or Honeywell
(actuator aux. switches) Position Indicator Package
Figure 3.
WHT
BLK
BLK
BLK
(BLK)
(RED)
L2
L1
CLOSED
(RED LIGHT)
OPEN
(GREEN LIGHT)
CONTROL
SWITCH
NORMAL
MS2 DAMPER CLOSED
LOWER MICROSWITCH
S3
S2
S5
S4
MS1 DAMPER OPEN
UPPER MICROSWITCH
CLOSED
REMOTE CONTROL
STATION
(BY OTHERS)
4" x 4" ELECTRICAL BOX
MOUNTED ON DAMPER (FACTORY WIRING
TERMINATES AT SPLICE POINTS INDICATED)
SMOKE
DETECTOR
(IF USED)
120 VAC. (24 VAC)
ELECTRIC
ACTUATOR OR
EP SWITCH
HEAT
SENSOR
(ERL)
PUSH
BUTTON
TEST
SWITCH
(DTS)
M
DTS/ERL with MLS-300 Siemens GJD Series (actuator
auxiliary switches) Position Indicator Package
Figure 4.