Forney IDD Cooling Chamber User Manual
Page 2
Forney Corporation
3405 Wiley Post Road
Carrollton, TX 75006 USA
Tel: 972.458.6100
Fax: 972.458.6650
www.forneycorp.com
FL
AME DETECTORS
TECHNICAL BULLETIN
PUBLICATION
#404005-18
REV 09/05
COOLING CHAMBER FOR IDD SERIES DETECTORS
PRODUCTS AND ACCESSORIES
Cooling Chamber
Part #381071-01
IDD II, Filtered Infrared Detector
Part #38321-21
IDD-IIU, Unfiltered Infrared Detector
Part #38321-22
IDD-IIL, Infrared Detector for Lignite
Part #339234-01
SPECIFICATIONS
The Forney Cooling Chamber is required when the ambient temperature is above 140°F
(60°C) but no more than 200°F (93°C).
Dimensions:
9.8” x 5” x 3.5” (249 x 127 x 89mm)
We i g h t :
4 lbs 2oz (1.86kg)
Mounting:
1" FNTP sight tube fitting
Cooling air connection:
1" FNTP
Materials:
Cast Steel Housing, Silicone Rubber Seal
Electrical:
N/A
Detector temperature limits:
32°F to 140°F (0°C to 60°C) for all IDD detectors
Cooling air flow/supply:
Front mount applications - minimum cooling air flow of 10 scfm
(17m
3
/hr) at a maximum temperature of 120°F (48°C)
Fiber optic applications - minimum cooling air flow of 15 scfm
(25m
3
/hr) at a maximum temperature of 120°F (48°C)
Compatible flame detectors: IDD-II, IDD-IIU, IDD-UV and IDD- I I L
Cable support:
The cooling air chamber supports the IDD series detec-
tor cable by capturing it in the cooling air housing cap.