Description :

1. HEM-550E is the master sensor of HEM-2 Guestroom HVAC Energy Management System. This is not only an occupancy sensor, but also a signal processor of the system.
2. With superior detection capability, this sensor is able to detect the slightest movement of hotel guest.
3. When guestroom is physically occupied, the HEM-550E will command PP-116 to provide power for HVAC operation.
4. After the guestroom is vacant, the HEM-550E will command PP-116 to shut off the power for HVAC operation to reduce the energy consumption.

Specification :

1. Power supply 24 2 VAC / DC. 2. Detection range: 110, 15 x 15 m at 25C. 3. Relay output: form C, 5A / NO, 3A / NC resistive. 4. Current drain: standby: 7 mA, Active: 23 mA. 5. High-temp limit 30 / 28 / 26C (85 / 82 / 79F). 6. Low-temp limit 15 / 13 / 11C (59 / 55 / 51F). 7. Mounting height: 1.8 ~ 3.6m. 8. ON delay 0 - 10" - 30" - 1' - 5' - 10' selectable. 9. OFF delay 10" - 1' - 5' - 10' - 20' - 30' selectable. 10. Detectable speed 0.1~ 3 m/sec.(0.3~10 ft/sec.). 11. RFI immunity Av. 20 V/m (10~1,000 MHz). 12. Humidity: 95% RH max. 13. Temperature: -10C~60C (14F~140F). 14. Dimensions 112 x 66 x 45 mm (4.4 x 2.6 x 1.8").

Features :

1. High density detection capability.
2. Form C changeover relay output.
3. High-low temperature setbacks.
4. Superior RFI and EMI immunity.
5. Disabled walk test LED indication.
6. Optional door switch connectivity.
7. Wall / corner / ceiling mount available.
8. 5-minute door open HVAC shut off.
9. Programmable ON & OFF delay times.
10. Automatic temperature compensation.

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  Guestroom HVAC Energy Management Systems
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  Guestroom HVAC Energy Management Systems
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  System Master Sensors