Page 45 - Fire Alarm-Combined

Assembly High-humidity environments
Sampling tube Detector
socket Use the SD-PH Protective Housing when installing SuperDuct
detectors in high-humidity environments. The SD-PH is a weather-
Exhaust tube
socket ized housing that prevents condensation on the device by insulat-
ing the detectors and providing circulated air from the monitored
HVAC duct. The SD-PH also adds a layer of protection against
physical damage to the unit.
Exhaust tube

Thin
gasket
Thick
gasket
Coupling
Duct Detector
SD-PH
Sampling tube Protective
(ordered separately) Housing

Plug
Mounting
Rear View
HVAC duct
Airflow
Hinged
Detector Cover
Housing
air tube

Housing Detector
air tube conduit holes
Sampling
tube
The SD-PH is easy to install and service. The hinged and transpar-
ent cover provides ready access to the detector, while keeping its
status indicators visible at all times.

#10 sheet metal screw (2X) Note: The SD-PH Protective Housing is weatherized against out-
door air, but it is not intended for direct outdoor exposure.
Wiring
Auxiliary
equipment

SIGA-LED [1]
Alarm

[1] No more than one remote test station
or LED indicator can be connected to or
the detector at the same time. Wiring 1
17 16 15 is unsupervised. Maximum wire Alarm
resistance is 10 ohms per wire. 2
SD-TRK
or
Test
SD-TRM [1]
3
4
Data Out ()

Data Out ()

DataIn( )

DataIn( )

14 13 12 11 10 9 8 7

Power indicator
Alarm indicator

Page 3 of 4 DA T A SHEET K85001-0584
Not to be used for installation purposes. Issue 1.1