Chapter 8: Model 1108 Special Editions
The Sensaphone Model 1108 also comes in three editions with additional special features: the CottageSitter, BusinessSitter, RemoteControl, and Model 1118 Line Seizure models. If you have purchased one of these versions of the 1108, please refer to this chapter for additional information specific to the operation of your unit.
8.1 Sensaphone 1108 CottageSitter Edition
The Sensaphone 1108 CottageSitter allows you to monitor and check on the status of your cottage or cabin from any cellular or ordinary telephone. The Sensaphone 1108 CottageSitter also allows you to turn a device on or off using the 1108 keypad or using your
This Sensaphone contains a relay contact on the rear of the unit (see Figure 1). The relay contact supports both a normally open and a normally closed contact, commonly referred to as a “double throw” relay.
When the Sensaphone relay is turned ON, a connection is made between the ON and C (common) terminals and the connection to the OFF terminal is disconnected. When the Sensaphone relay is turned OFF, a connection is made between the OFF and the C (common) terminals and the connection between the ON and C
(common) is disconnected (See Figure 1). When the Sensaphone unit is put in standby mode, the relay remains in its last known state. If the Sensaphone is completely shut down by removing the batteries and unplugging it from power, the relay returns to an OFF state, connecting the OFF terminal to the C (common).
The Sensaphone relay is a low voltage relay. Only voltages less than 30 volts AC 2AMPS, or 30 volts DC 2 AMPS may be switched. For higher voltages, an additional
Always enlist the services of a licensed electrician when working with high voltages. Improper wiring can cause harm to you or your property.
NOTE: For safety reasons it is highly recommended that the unit only be used to switch low voltage signals (30 volts or less). If you intend to control higher voltages you must install the unit in an NEC approved electrical panel
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