Warmup COMBOX/19 Installation And Operating Manual
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Warmup COMBOX/19 Installation And Operating Manual

Warmup COMBOX/19 Installation And Operating Manual

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COMBOX/19 & RESIBOX/19
INSTALLATION MANUAL
COMBOX/19
RESIBOX/19
Installation and Operating manual
v2411
Page 1

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Summary of Contents for Warmup COMBOX/19

  • Page 1 COMBOX/19 & RESIBOX/19 INSTALLATION MANUAL v2411 Page 1 COMBOX/19 RESIBOX/19 Installation and Operating manual...
  • Page 2 Wiring the RESIBOX/19 ……………………………..………………………. 6 Wiring the RESIBOX/19C..…….………………………………..………………. 7 Wiring the COMBOX/19…………..…………………………………...………. 8 Connecting snow sensors and COMBOX/19 slaves...…………….….……..9 Installation and Wiring Connections – AIRSENSE…………..………………10 Installation and Wiring Connections – PRO-R-ROOF/GUTTER…..………. 11 Installation and Wiring Connections – PRO-G-H-GROUND……..……… 12 Operating instructions………………………………………………………...….
  • Page 3 Page 3 of 32 Index DIP Switch settings……………………………………………………………….. 25 DIP switch S2 - Short measuring times (test only) …………………………... 25 DIP switches S3 and S4 – heaters sequencing logic………………………... 25 Enable/Disable zones ………………………………………………………...…. 26 Select critical zones……….…………………………………………………...…. 27 BMS communication protocol – BACnet/Modbus (DIP switch S6) …...…. 28 Temperature reading errors……………………………………………………...
  • Page 4 The use of several zones staggering allow covering larger area for snow melting with a limited available electrical power. The COMBOX/19 offers various operating and programming options such as: - Switchable temperature scales (°F or °C) - Adjustable Lower ambient temperature limit to stop...
  • Page 5 Page 5 of 32 COMBOX Series Installation PLEASE READ THIS MANUAL AND THE SAFETY WARNINGS CAREFULLY BEFORE INSTALLING AND USING THE CONTROLLER AND SAVE IT FOR FUTURE USE Installation notes Familiarize yourself with the markings, warnings, components and terminology. The COMBOX power boxes and its accessories must be installed by a qualified electrician in accordance with local regulations and the requirements of the NEC (NFPA 72 ) and the CEC part 1.
  • Page 6 SENOSRs Black Up to 2 3rd party sensor (GIT-1/CIT-1/SIT/6E) White GROUND or dry contact switch SENOSRs PYROULS Upper Limit Sensor Up to 3 COMBOX/19 (slaves) OUTDOOR SENSOR (option) Should be used when only PRO-G-H is connected To multiple PYRO JBOXs...
  • Page 7 SENOSRs Black Up to 2 3rd party sensor (GIT-1/CIT-1/SIT/6E) White GROUND or dry contact switch SENOSRs PYROULS Upper Limit Sensor Up to 3 COMBOX/19 (slaves) OUTDOOR SENSOR (option) Should be used when only PRO-G-H is connected To multiple PYRO JBOXs...
  • Page 8 Page 8 of 32 Wiring the COMBOX/19 Caution: Incorrect voltage may cause fire or seriously damage the unit. 3-P Contactors C1,C2,C3,C4 Contactor C5 Make sure the wire gauge (AWG) is suitable 600VAC, 50A Max. per pole 277VAC, 30A Max. for the circuit Amperage draw, as specified T3 T2 B2 A2 in the NEC/CEC table 1.
  • Page 9 Page 9 of 32 Connecting communicating sensors and COMBOX/19 slaves Power Device/Sensor Number of Power/Comm. consumption type sensors/devices cable length Address (24VAC) AIRSENSE Up to 4 32.8ft / 10m Aerial sensor Ground sensors Up to 2 15.6VA 32.8ft / 10m...
  • Page 10 Page 10 of 32 Installation and Wiring Connections – AIRSENSE Wall mount installation Roof installation Roof side installation The AIRSENSE aerial sensors are supplied with: 1. A plastic cap, to protect the sensor from dust and debris for when the sensor is not in use (off season).
  • Page 11 Page 11 of 32 Installation and Wiring Connections – AIRSENSE Power cable (R,C) Power cable (R,C) 18AWG - Up to 500ft / 150m 18AWG - Up to 500ft / 150m 12AWG - Up to 1000ft / 300m 12AWG - Up to 1000ft / 300m Communication cable (A,B) Communication cable (A,B) Jacketed shielded twisted...
  • Page 12 Page 12 of 32 Installation and Wiring Connections – PRO-R Power cable (R,C) Communication cable (A,B) 18AWG - Up to 500ft / 150m Jacketed shielded twisted 12AWG - Up to 1000ft / 300m pair 120 Ohm, 18AWG - Up to 500ft / 150m Gutter sensor installation Installation and Wiring Connections –...
  • Page 13 Page 13 of 32 Operating instructions Green POWER lamp GFEP Test/Reset button The green power lamp will light when TEST GFEP (GREEN button) power is supplied to the unit (120 VAC) GROUND FAULT RESET lamp will lit when the internal GFEP is tripped RESET GFEP (RED button) - Press for 5 seconds Turning the system ON and OFF...

  • Page 14: Enter Technician Settings Mode

    Page 14 of 32 Technician settings Use the technician settings to view and adjust the following parameters: Temperature set point Lower ambient temperature limit to stop heaters Energy saving, upper slab temperature limit to stop heaters Time delay before stopping the heaters ON time for manual mode Heaters cycle time / Splitting time Sensors and heaters control logic...
  • Page 15 Page 15 of 32 Technician settings P01 - Temperature set point Move DIP switch S1 located on the side of thermostat to ON position to enter technician settings mode. “P01” and the temperature set point will appear on display. Use the [+] and [-] buttons to adjust the temperature set point. Range: 14…59°F / -10…+15°C, default 37°F / +3°C Temperature set point...
  • Page 16 Page 16 of 32 Technician settings (Cont’) P03 – Upper limit temperature for heating Press the [SELECT] and [+] buttons simultaneously. “P03” and the slab upper limit temperature will appear on display. Use the [+] and [-] buttons to adjust the upper limit temperature. Range: +41…+122°F / +5…+50°C Default: 86°F / +30°C *For numbers above 100, “100”...
  • Page 17 Page 17 of 32 Technician settings (Cont’) P05 - Manual mode ON time Press the [SELECT] and [+] buttons simultaneously. “P05”, “On” and the “Manual ON” mode time period will appear on display. The hours will blink. The delay time parameter defines a time frame in which the heaters remain ON after receiving an “Manual ON”...
  • Page 18 Page 18 of 32 Technician settings (Cont’) P07 - Heaters outputs logic controlled by PYRO sensors or by 3 party sensor Press the [SELECT] and [+] buttons simultaneously. “P07” and the figures “0”, “1”, “2” or “3” will appear on display. Use the [+] and [-] buttons to define the heaters logic (model dependent) as follows: Heaters controlled by Heaters controlled by...
  • Page 19 Page 19 of 32 Technician settings (Cont’) P08 - Snow sensor sensitivity Press the [SELECT] and [+] buttons simultaneously. “P08” and the snow sensor sensitivity value will appear on display. Use the [+] and [-] buttons to adjust the sensitivity. Range: 20...80 % (20% - Less sensitive, 80% - more sensitive), Default: 50 % Snow sensor sensitivity...
  • Page 20 Page 20 of 32 Technician settings (Cont’) P09 – Enable/Disable AIRSENSE sensors connected to system Important! When new sensors are connected to the system, please refer to technician parameter P13 - scan the system for new sensors. After the scanning process explained in P13 completes, the sensors found can be enabled or disabled.
  • Page 21 Page 21 of 32 Technician settings (Cont’) P10 - Test conditions mode / Technician commissioning mode Turn ON test conditions to check the functionality of the system regardless of sensors parameters (i.e. during the summer). In test conditions, the Ambient temperature is always -5°C/23°F. Note: In order to trigger the system and activate the heaters, use some water to wet the circuit on top of the snow sensor.
  • Page 22 PYRO-JBOX Notes: 1. Use multiple Junction Boxes to connect up to 6 sensors and 3 COMBOX/19 slaves 2. A,B Communication wire to slaves: flexible twisted pair overall foil + braid shielded and overall jacketed with a flexible PVC compound, 2000 ft, (600 m) maximum length.
  • Page 23 Page 23 of 32 Technician settings (Cont’) P13 – Scan the system for new sensors Important! Disconnect power to the main board before installing new sensors. The system can recognize up to 3 different sensors in one scanning loop: - One AIRSENSE aerial, One PRO-G-H and One PRO-R If more than one sensor of the same type is used, connect the first sensor and run the scanning procedure.

  • Page 24: Save Changes And Return To Normal Display

    Page 24 of 32 Technician settings (Cont’) P14 – Reset PYRO Sensors MAC Address Press the [SELECT] and [+] buttons simultaneously. “P14” will appear on display. Use the [+] and [-] buttons to select sensor by its MAC address. Press the [ON] button to reset the sensor’s MAC address. If required, run the sensors scanning procedure again –...
  • Page 25 Page 25 of 32 Technician settings (Cont’) DIP switch S2 - Short measuring times (test only) Use DIP switch S2 to short the - “ON” - Short measuring times – for test/commissioning only (measuring times will be divided to 60). - “OFF”...
  • Page 26 Page 26 of 32 Technician settings (Cont’) Enable/Disable zones Follow the steps below to enable or disable each of the 5 zones. By default, all zones are enabled. 1. Turn the thermostat OFF. 2. Press and hold both the [+] and the [-] buttons simultaneously for 10 seconds. 3.
  • Page 27 Page 27 of 32 Technician settings (Cont’) Select Critical zones Follow the steps below to set each of the active zones as Critical or Non-critical zone. By default, all zones are critical. 1. Turn the thermostat ON. 2. Press and hold both the [+] and the [-] buttons simultaneously for 10 seconds. 3.

  • Page 28: Temperature Reading Errors

    Page 28 of 32 BMS Communication Protocol – BACnet/Modbus Use DIP switch S6 located on the side of thermostat to select BMS (A1,B1) network protocol: S6 ON – BACnet, S6 OFF – MODBUS Modbus BACnet Important! When using Master-Slave logic, the BMS communication protocol should be set only on the Master unit.
  • Page 29 Page 29 of 32 Object list – Modbus (DIP switch S6 = OFF) MODBUS RTU Mode, Address Slave 1-127, Vendor Url = “meitavtec.com” Baud rate: 9600, n, 8, 1 Product Name = “Pyrocon 19” Supported Commands: User Application Name = “Pyrocon 19” 0x03 = Read Holding Registers (for all).
  • Page 30 Page 30 of 32 Object list – BACnet (DIP switch S6 = ON) BACnet MSTS Baud rate: 9600, 19200, 38400, 76800 no parity, 8 data bits, 1stop bit N° Object Value Object name Default Perm. TS AnalogValue_#0 -10...15°C (14...59°F) SetPoint 3°C (37°F) AnalogValue_#1 -40...0°C (-40...32°F)
  • Page 31 COMBOX/19 PYROBOX3/3C/19 The GFEP should be tested monthly. 0.01 Press the GREEN GFEP TEST button located ont the COMBOX/19 door for to 0.02 trip the outlet and break the circuit. The 0.03 RED internal LED on the GFEP and the 0.04...
  • Page 32 Page 32 of 32...

This manual is also suitable for:

Resibox/19Resibox/19c

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