GE Zoneline Features That Matter in Hotels: Sentinels, Temperature Limits, and Desk Control
Most of what makes a GE Zoneline useful to a hotel engineer is already in the unit, set through its auxiliary controls. These features apply across the current AZES, AZHS, and AZVS series.
Freeze Sentinel
When the unit is plugged in, even switched off, it watches room temperature. If the room drops to 41°F, it turns on the electric heater and runs until the room reaches 46°F. In an unrented room in January, that protects the plumbing. It can be turned off through Auxiliary Control A3.
Heat Sentinel
The opposite case: when turned on, it starts the air conditioning if the room reaches 85°F, even with the unit off, and stops at 80°F. It ships turned off and is enabled through Auxiliary Control A3. Useful for vacant rooms on the sunny side of a building.
Temperature limits
Zoneline units have eight programmable cooling limits and eight heating limits. The factory default keeps cooling from going below 66°F and heating from going above 78°F. Limits keep guests from running a room at 60°F with the window open. They are set through Auxiliary Control A5.
SmartFan
The indoor fan can behave differently in cooling and heating without anyone changing a setting each season. The default is continuous fan in cooling and cycling in heating. Both are adjustable through Auxiliary Control A1.
Central desk control
All Series A units work with two-wire central desk control systems through the RAKCDC connector, sold separately. Typical hotel setup: the front desk enables the unit at check-in and disables it at checkout. The system can also be wired to balcony or patio door contacts, so the unit shuts off when the door opens. Freeze and Heat Sentinel still protect the room while the unit is disabled.
Remote thermostats
Every current Zoneline accepts a Class 2 low-voltage wall thermostat, enabled through Auxiliary Control A6. The AZVS also supports two-way communication with the RAK190V thermostat for tighter temperature and humidity control.
Display
The LED temperature display dims itself in a dark room, so it does not keep guests awake, and shows Fahrenheit or Celsius.
Quieter maintenance
Two filters slide out from the front without removing the room cabinet, and the composite base pan does not rust, which removes one of the most common long-term failures in through-the-wall units.
Compare the three series in GE Zoneline AZES vs. AZHS vs. AZVS, or see the GE Zoneline PTAC page.
Send the old unit's model number, the voltage, and the quantity through the contact form or call 800-866-1210 for pricing and availability.