C499M-A (11/05) 3
Description
The HKHS3000 (120 VAC) and HKHS3024 (24 VAC) are field installed heater kits for the HS3000 and HS3020 high security enclosures.
These heater kits provide 30 watts of heat and are thermostatically controlled ON at 40°F (4.44°C) and OFF at 60°F (15.56°C).
RECOMMENDED CABLE DISTANCES
The following are the recommended cable distances for heater operation when used with a transformer capable of delivering the power require-
ments. Cable distances are based on a 10% line loss.
120 VAC
(at 30 watts)
24 VAC
(at 30 watts)
16 Awg
18 Awg
20 Awg
5,970 feet (1,820 m)
3,760 feet (1,146 m)
2,365 feet (721 m)
240 feet (73 m)
150 feet (46 m)
95 feet (29 m)