KRON Plus - Thermostat Orbis - Free user manual and instructions
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| Product type | GSM communicating thermostat |
| Brand | Orbis |
| Model | KRON Plus (CODITEL 2) |
| Dimensions (L x H x D) | 4 DIN modules (approx. 70 x 90 x 60 mm) |
| Weight | Approximately 200 g |
| Power supply | 230 V AC (-10%/+10%), 50 Hz, max. 30 mA |
| Backup battery | Lithium, autonomy ~1 hour |
| Outputs | 2 relays: 1 bistable 8A/250V~, 1 NO 5A/250V~ |
| Digital inputs | 2, max. voltage 40 V DC, impedance 10 kΩ |
| Analog input | 0-10 V or 0-20 mA, 12-bit resolution |
| Communication | GSM quad-band (850/900/1800/1900 MHz), SMA-F antenna (3 m cable) |
| Configuration | By SMS, phone call or USB port (mini-B) |
| Number management | Up to 2000 users, 10 STAFF numbers, 1 admin |
| Main functions | Remote control of relays, alarms on inputs, time/pulse counters, scheduled SMS sending |
| LED indicators | 2 red (relay status), 2 green (input status), 1 multicolor (GSM status) |
| Operating temperature | 0 °C to +50 °C |
| Operating humidity | 10 % to 90 % without condensation |
| Protection rating | IP40 (installation in closed electrical panel) |
| Maintenance and cleaning | Clean with a dry cloth. Do not use chemicals. Periodically check connections. |
| Safety | Installation by qualified personnel. Follow connection diagrams. Disconnect power before accessing terminals. |
| Spare parts and repairability | External antenna available. For repairs, contact Orbis technical service. |
| General information | Compliant with directive 2014/53/EU. Declaration of conformity at www.orbis.es. |
Frequently Asked Questions - KRON Plus Orbis
How to install the KRON Plus?
Insert an activated SIM card (PIN disabled, voicemail disabled). Remove the cover, insert the SIM into the push-push slot. Screw on the antenna. Connect the power supply, inputs and outputs according to the diagram. Power on: the green LED blinks after ~30 s if the GSM network is detected.
How to register the admin number?
Press and hold the '1-SET' button for 5 s until red/green LED blinks. Make a call from the desired number. You will receive a confirmation SMS. This number will have full control.
How to add a user?
Two methods: 1) By call: press and hold '1-SET' 5 s, call with the number to add. 2) By SMS from admin: send USERADD [number]. Example: USERADD 0612345678.
How to control relays remotely?
Send an SMS from an authorized number with the syntax: OUT [output number] [ON/OFF] [duration] [unit]. Example: OUT 1 ON or OUT 2 OFF 10 S (10 seconds). You can also call: the call triggers the configured action (default toggle).
How to configure an alarm on a digital input?
Use the command DIG [input] [mode] [delay] [unit]. Example: DIG 1 OPEN 10 S triggers an alarm if input 1 remains open >10 s. For a time counter: DIG 1 TIMER OPEN. For pulses: DIG 1 PULSE OPENCLOSE.
How to reset the device?
For a factory reset: press '1-SET', wait for the LED to turn off, then press '1-SET' again until 2 flashes. This erases all user numbers (except the SIM card if STORE was used). For a simple restart: press '2'.
What to do if the LED stays solid red?
Solid red LED = insufficient GSM coverage. Check the antenna, its connection, and that the SIM card is properly inserted. If the problem persists, relocate the antenna or install an external antenna with higher gain.
How to change the password?
From the admin number, send PASS [new password] (max 8 digits). Example: PASS 87654321. The password is used if you control from an unauthorized number.
How to schedule periodic SMS sending?
Use SCHEDTIME [period in hours] [delay in minutes] to set the interval. Then SCHEDTXT [text with tags] for the content. Example: SCHEDTXT Consumption: #P1R liters. Then define recipients with SENDALARM SCHED [index] SMS.
How to connect the KRON Plus to a computer?
Use the mini-B USB port (cable not included). Install the driver so it appears as a COM port. Open a terminal (9600 8N1). Send 12345678* ADMIN_UART then ECHO. You can then send all SMS commands via the terminal. You can also use the free ORBIS software.
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