Gesa GH-800 Manual

Standalone hvac room energy sensor

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Standalone HVAC Room Energy Sensor

Applications

Resort/Hotel/Motel Guestrooms
School/College Dormitories
Timeshare Vacation Units
Military Lodging Facility
Commercial Offices
Conference Rooms

Features

• Smart Guestroom Occupancy Verification
• Superior RFI/EMI immunity
• High density pyroelectric infrared detection zones
• Fail-safe system operation protection ensure HVAC operation even system failure
• HVAC start cycle delay enabled
• Programmable temperature high-low setbacks for unoccupied mode
• Occupancy status signal output
• Audible & visible test indication
• 24V/dry contact selectable output
• Corner/Wall mount available
• Multi-directional adjustment
• Optional HVAC slave sensor connectivity

General

The GH-800 is specially developed to provide intelligent HVAC energy management
of vacant rooms of lodging industry. With this system installed, hotelier can effectively
reduce the energy expense from HVAC operation. The system utilizes reliable
sensing technology and sophisticated logic control software to verify the occupancy
status of guestroom. When guestroom is physically occupied, the system will allow
the occupant to operate HVAC according to personal requirement. After the room is
vacant, the system will automatically shut off the unnecessary HVAC operation to
reduce energy consumption and equipment wear. To ensure optimum performance
of the system, please carefully read this instruction before installing.

Benefits

Reduce building energy consumption
Reduce equipment operation load
Prolong operation life of equipment
Reduce building management cost
Enjoy comfort of automatic control
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Summary of Contents for Gesa GH-800

  • Page 1 Standalone HVAC Room Energy Sensor General The GH-800 is specially developed to provide intelligent HVAC energy management of vacant rooms of lodging industry. With this system installed, hotelier can effectively reduce the energy expense from HVAC operation. The system utilizes reliable sensing technology and sophisticated logic control software to verify the occupancy status of guestroom.
  • Page 2 Max. 95% RH non-condensated Dimension 110 x 52.5 x 30 mm (4.3 x 2.1 x 1.2 inch) System Component in GH-800 GH-MS1 Master Sensor GH-MS1 is the master sensor of Standalone HVAC Room Energy Sensor. It consists of a high sensitivity passive infrared (PIR) motion sensor and sophisticated microprocessor with intelligent logic control in an aesthetically pleasing housing.
  • Page 3 G G G G Standalone HVAC Room Energy Sensor Termination Diagram To connect the wires between GH-MS1 and other components of the system, the terminals of GH-MS1 should be connected with correct wire to ensure optimum performance. Each terminal block of GH-MS1 are described as follow in the left to right sequence. This terminal and terminal “GND”...
  • Page 4 G G G G Standalone HVAC Room Energy Sensor Wiring Technique CAUTION • HVAC units may contain AC mains power. To prevent electric shock, ensure that AC mains is OFF before connecting with HVAC units. • Do NOT take shortcuts when connecting the HVAC power circuits. Wiring Techniques Conceal the sensor wiring by “fishing”...
  • Page 5 G G G G Standalone HVAC Room Energy Sensor Mount the Door Switch 1. Select a proper position on the door frame. Drill a3/4” hole on the frame for switch recess. Use the spacer as a guide, drill two 1/8” holes for fixing. 2.
  • Page 6 G G G G Standalone HVAC Room Energy Sensor GH-MS1 Master Sensor Description Jumper Setting Low temperature limit This jumper allows the selection of 3 different low temperature limits in which the GH-MS1 master sensor will automatically operate the HVAC when room temperature is lower than the set value. The sensor detects the room temperature once every 5 minutes.
  • Page 7: System Operation

    After the system operation test completed, ensure to place the jumper JP7 to “NORMAL” position for normal operation of the system. The normal operation of GH-800 is quite sophisticated. Many different operation modes and statuses are carefully managed and controlled by the microprocessor. Various modes and statuses are...
  • Page 8 Maintenance After final installation of the unit, no routine maintenance is required. The GH-800 is not field serviceable and should be returned if repair is needed (field repair should not be attempted and may void warranty). Be sure to include a brief description of the problem plus any relevant application notes.

This manual is also suitable for:

Gh-ms1Pp-1

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