688 HEATER0 pages
688 HEATER
24 — 36kW
The Model 688 Heater consists of element assemblies mounted inside a stainless steel tube
which is enclosed in an insulated jacket. The jacket allows maximum heat transfer to the
airstream while maintaining a low surface temperature. This makes the Model 688 ideal for
mounting in vulnerable areas or in enclosures containing other equipment.
The inlet of the 688 is flanged and the outlet is either flanged or provided with a Duct / Hose
adapter.
The terminal box is manufactured from aluminium and is protected to IP65. Connection is made
to each element using DIN rail termination for ease of wiring.
The Model 688 Heater will give an outlet temperature up to 300°C and is available in loadings
of 24, 27 or 36kW. The inlet of the 688 can be fitted with a thermal cut-out to protect the
element in the event of the airflow becoming restricted.
A variety of temperature controls are available ranging from switching devices to provide fixed
loadings through to systems to monitor and regulate the output temperature.
A range of adapters is available to couple the Model 688 with a variety of SECOMAK Fans.
Electrical:
415V or 380V 3 phase
220V or 240V single phase
Other voltages available
with limited loading.
Maximum Outlet Temperature: 300°C
Resistance to Airflow (approx.)
0.22” w.g. at 200 ft/min
3.50” w.g. at 800 ft/min
10.80” w.g. at 1400 ft/min
Secomak Ltd. 330 Centennial Park, Elstree, Hertfordshire, WD6 3TJ, UK
Phone: +44 (0) 208 7321 300 Fax: +44 (0) 208 7321 301
E-mail: sales@secomak.com
Web: www.secomak.com