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Master Your Pool Chemistry: A Guide to the BECSys5 Installation & Technical Manual

Whether you’re managing a high-traffic waterpark or a professional lap pool, the BECSys5 Water Chemistry Controller

is often described as the "workhorse" of the industry. This guide breaks down the core technicalities found in its Installation and Technical Manual to help you get your system running efficiently. 1. Pre-Installation Checkpoints

Before you begin wiring, ensure the mechanical environment is ready.

Mounting Environment: Use a NEMA 4X (IP65) rated enclosure for protection. Ensure the location has adequate ventilation and is not in an explosive environment.

Plumbing First: All flow cell components must be mounted and the plumbing pressure-tested before any electrical wiring begins.

Code Compliance: Installation must strictly adhere to local plumbing and electrical codes. 2. Core Technical Specifications

is highly scalable, supporting advanced monitoring beyond basic pH and ORP.

Standard Inputs: Includes pH, ORP, and temperature sensors as standard equipment.

Advanced Monitoring: Capable of tracking Total Alkalinity (TA), Free/Total Chlorine (PPM), Turbidity, and even TDS (Total Dissolved Solids). Safety Features:

Manual-On Limit: Automatically returns overrides to "Automatic" mode to prevent chemical overfeeds.

No-Flow Alarm: Lockouts prevent chemical feed if the system detects no water circulation.

Emergency Off: A physical front-panel button that immediately halts all outputs. 3. Setting Up the System

Programming the controller is done through a multi-level menu tree. Operation and Maintenance Manual - BECSys5 - Aquafinity

The BECSys5 is a high-performance water chemistry controller designed for commercial aquatic environments such as pools, spas, and water parks. The Installation and Technical Manual (specifically for firmware v2.20 and later) provides comprehensive guidance on mounting, plumbing, and electrical configuration. Core Installation Guidelines

Preparation: All mechanical components, including the flow cell plumbing, must be mounted and pressure-tested before any electrical wiring begins.

Environment: The unit is housed in a NEMA 4X (IP66) rated enclosure, making it water-resistant but not suitable for explosive environments. It requires adequate ventilation to maintain operating temperatures between -18°C and 50°C. Mounting Options: Kit Form: Arrives unassembled for custom wall mounting.

Pre-assembled: Can be ordered pre-mounted on a back panel for "hang-and-wire" convenience.

Plumbing: The manufacturer highly recommends a "pressure-to-pressure" piping method for integrating the flow cell into the main filtration system. Technical Capabilities & Features

Standard Monitoring: Continuous tracking of pH (0–14 range), ORP (-1000 to +1000 mV), and temperature. Advanced Control:

Supports direct Free Chlorine (ppm) monitoring via optional amperometric sensors.

VFD Control: Integrates with Variable Frequency Drives to manage circulation pump speed based on flow rate or pressure.

Total Alkalinity (TA): Can automatically toggle between acid and CO2cap C cap O sub 2 for pH control based on TA set points.

Data Logging: Includes battery-protected RAM that stores up to 56 days of sensor history and 1,100 system events. Safety & Security

Fail-Safes: Features programmable overfeed timers (up to 18 hours) to prevent chemical flooding.

Interlocks: A dedicated "No Flow" alarm disables chemical feeds if water circulation stops.

Security: Multi-level password protection prevents unauthorized changes to set points or calibration.

Emergency Off: A front-panel button immediately halts all chemical feeds and relay outputs. Connectivity

Remote Access: Standard 100BaseT Ethernet provides access to BECSys Live!, a free portal for 24/7 monitoring and mobile notifications (Email/SMS).

Software: Every unit includes BECSys for Windows for detailed graphing and reporting of logged data. BECSys5 Installation and Technical Manual - Googleapis.com

The BECSys5 Installation and Technical Manual (Document #8620112) outlines the requirements for installing and maintaining the BECSys5 Water Chemistry Controller, covering mounting, electrical wiring, and operational specifications. It emphasizes adhering to safety standards for sensor maintenance, flow cell installation, and interlock relay setup to ensure precise pool and spa water management. For more details, visit BECSys5 Installation and Technical Manual storage.googleapis.com BECSys5 Installation and Technical Manual - Googleapis.com

BECSys5 Installation and Technical Manual serves as a comprehensive guide for one of the industry's most advanced water chemistry controllers. This manual is essential for facility operators managing commercial aquatic environments like pools, spas, and waterparks. Commercial Aquatic Supplies 1. Key Technical Specifications

The BECSys5 is designed for heavy-duty commercial use and features: : Housed in a NEMA 4X (IP66)

glass-reinforced polycarbonate enclosure for superior environmental protection. Core Monitoring : Standard inputs for ORP (-1000 to +1000 mV) Temperature (32-150°F) Expansion Capabilities : Supports advanced sensors for Free Chlorine (ppm) Conductivity/TDS Connectivity : Features an integral 100BaseT Ethernet port for remote access via the BECSys Live! web portal 2. Installation Overview

The manual highlights that proper setup is critical to performance. Key steps include: Aquafinity

: The unit should be wall-mounted in a ventilated area, away from explosive environments. Options include pre-assembled back panels for easier setup.

: Requires installation of a flow cell and sample stream components (isolation valves, pressure gauge). Plumbing must be pressure-tested before full operation. : The controller supports 115/230 VAC

and includes four standard solid-state relays (expandable to 15) for chemical feeders or pumps. 3. Operational Features & Safety Advanced Control : Includes VFD (Variable Frequency Drive)

technology to optimize circulation pump efficiency based on flow or pressure. Energy Saving : Operators can program "Sleep" modes

or alternate setpoints for low-usage periods to reduce chemical and energy costs. Failsafe Alarms : Features programmable overfeed timers (up to 18 hours), high/low alarm lockouts , and a front-panel Emergency Off Data Logging : Logs up to

of input history and 1,100 system events, which can be exported via USB or viewed online. 4. Maintenance Highlights Sensor Care

: The manual provides specific calibration procedures for pH and ORP sensors to ensure long-term accuracy. Remote Management BECSys Live! , staff can receive Email or SMS notifications

for alarms, allowing for proactive maintenance without being on-site. Are you currently troubleshooting a specific alarm code or looking for guidance on a particular sensor calibration

Technical Data Sheet - BECSys5 - Commercial Aquatic Supplies

Preparation: All mechanical components, including the flow cell plumbing, must be mounted and pressure tested before wiring the controller.

Environment: The unit is housed in a NEMA 4X (IP65) enclosure, which is splash-proof but not intended for explosive environments. It must be mounted in a location with adequate ventilation. becsys5 installation and technical manual

Compliance: Installations must strictly adhere to all applicable local plumbing and electrical codes.

Safety: The controller features an internal safety shield to prevent accidental contact with high-voltage circuitry during tasks like fuse replacement. Core Technical Specifications Resolution pH 0 to 14 pH 0.1 or 0.01 units ORP -1000 to +1000 mV Temperature 32 to 150 °F (0 to 66 °C) 1 °F or °C PPM (Optional) 0 to 20 ppm 0.1 or 0.01 ppm Operational Highlights

Advanced Control: Includes VFD control technology and Total Dynamic Head (TDH) monitoring to optimize circulation pump efficiency.

Programming: Accessing the program menu typically requires holding the Cal and Up keys for three seconds.

Calibration: The chlorine sensor requires a one-hour polarization period after installation before it can be accurately calibrated.

Safety Timers: Includes programmable "Manual-On" limits that automatically return overrides to automatic control to prevent overfeeding chemicals.

Connectivity: Features standard Gigabit Ethernet for remote monitoring via the BECSys Live! web portal or the BECSys for Windows PC software. Critical Safety Features

No Flow Alarm: Automatically locks out chemical feed if it detects a lack of water circulation.

Emergency Off: A dedicated front-panel button immediately halts all chemical feeds and control outputs.

Alkalinity Management: Can automatically switch between acid and CO2cap C cap O sub 2

for pH control based on user-defined Total Alkalinity (TA) set points. Operation and Maintenance Manual - BECSys5 - Aquafinity

The BECSys5 is an industry-leading water chemistry controller designed for commercial aquatic facilities, including pools, waterparks, and aquariums. Proper setup and maintenance are vital for ensuring water safety and system longevity. Installation Guidelines

Successful installation requires following a specific sequence to protect sensitive electronic components and ensure accurate sensor readings.

Environmental Requirements: The BECSys5 is housed in a NEMA 4X (IP65) enclosure, making it splash-resistant but not suitable for explosive environments. It should be mounted in a well-ventilated area where temperature specifications are not exceeded.

Mounting and Plumbing: Before any electrical work, mount the controller and install the flow cell plumbing. The system must be pressure tested to ensure there are no leaks in the sample stream.

Electrical Setup: All wiring must comply with local plumbing and electrical codes. The unit features an internal safety shield to prevent high-voltage contact during fuse replacement.

Interlock Verification: It is critical to establish a verifiable electrical interlock to ensure chemical feed only occurs while the circulation pump is running. Technical Features and Configuration

The BECSys5 offers deep customization through its menu-driven interface.

Standard Inputs: Includes pH (0–14 range), ORP (-1000 to +1000 mV), and temperature (32–150 °F).

Optional Monitoring: Can be expanded to track free chlorine/bromine (0–20 ppm), conductivity/TDS, turbidity, and system flow rate.

Relay Logic: Users can assign relays to specific functions, such as sanitizer feed or pH adjustment.

Connectivity: Features standard 100BaseT Ethernet for remote access via BECSys Live!. Operational Programming BECSys5 Installation and Technical Manual - Googleapis.com

Before any wiring begins, the physical environment must be prepared. The

is housed in a NEMA 4X (IP66) glass-reinforced polycarbonate enclosure designed to withstand harsh mechanical room conditions.

Mechanical Mounting: All components, including the machined flow cell and the controller itself, should be securely mounted to a backboard before starting plumbing.

Plumbing Checklist: Install the flow cell plumbing and perform a pressure test before any electrical work. This ensures no leaks will interfere with the electronic sensors. 2. The Connection: "Wiring and Power"

The controller acts as the "brain" of the mechanical room, coordinating various high-voltage and low-voltage systems.

Power Supply: It typically includes a 36-watt 24VDC power supply to drive external devices.

The Safety Shield: During internal maintenance like fuse replacement, an Internal Safety Shield is used to prevent accidental contact with high-voltage circuitry.

Interlock Relay: An essential safety feature that ensures chemical feeds, heaters, and UV systems only operate when the circulation pump is active. 3. The Senses: "Advanced Sensor Integration"

doesn't just "guess" water quality; it uses proprietary technology to monitor multiple parameters 24/7.

Standard Monitoring: It tracks pH, ORP (sanitizer levels), and temperature using high-precision sensors.

Specialized Sensors: It can be upgraded with TruePPM sensors for direct free chlorine monitoring, conductivity (TDS) sensors, and turbidity meters.

Inventory Tracking: Optional 4-20mA inputs allow the controller to monitor liquid chemical tank levels, providing alerts before an acid or chlorine tank runs empty. 4. The Intelligence: "Automation and Efficiency"

Once sensors are calibrated, the controller optimizes the facility's performance to save costs and energy.

VFD Control: It can directly manage a Variable Frequency Drive (VFD) to adjust circulation rates based on real-time needs, significantly reducing energy consumption.

Intelligent Autofill: It maintains proper pool water levels and can even identify leaks by monitoring water consumption.

Vitals Tracking: It calculates the Langelier Saturation Index (LSI) to help operators maintain perfect water balance and prevent equipment corrosion or scaling. 5. The Safety Net: "Alarms and Remote Access"

is designed to be a "workhorse" that keeps operators informed even when they aren't on-site.

Failsafes: Built-in overfeed timers and "No Flow" alarms automatically shut down chemical feeds if a system failure occurs.

BECSys Live: Through its standard Ethernet connection, operators can view status, change settings, and receive text or email alerts from any smartphone or computer.

Technical Data Sheet - BECSys5 - Commercial Aquatic Supplies

The BECSys5 Installation and Technical Manual (Part Number 8620112) is the primary technical resource for the professional installation and configuration of the BECSys5 Water Chemistry Controller. Produced by BECS Technology, Inc., this document covers the mechanical and electrical requirements necessary to ensure the system operates within its design specifications. Key Components of the Manual

Mechanical Installation: Detailed instructions for mounting the controller and plumbing the flow cell. It includes specifications for compatible flowmeters ranging from 1/2” up to 36” to accommodate various commercial pool or industrial water applications.

Electrical Wiring: Guidance on high-voltage connections for powering chemical feed pumps, as well as low-voltage signal wiring for sensors like pH, ORP (Oxidation-Reduction Potential), and temperature. Master Your Pool Chemistry: A Guide to the

Technical Specifications: Engineering data regarding power requirements, relay ratings, and communication protocols (such as Ethernet or Serial) for remote monitoring.

Maintenance & Warranty: The manual explicitly states that the limited warranty is contingent upon using authorized replacement parts and sensors; using non-authorized components may void coverage. Related Documentation

The Installation and Technical Manual is typically used in conjunction with other BECS resources found at providers like Aquafinity, including:

Operation and Maintenance Manual: For day-to-day user interactions and calibration.

Quick Reference Sheet: For rapid troubleshooting and basic menu navigation. Operation and Maintenance Manual - BECSys5 - Aquafinity

The is a high-end water chemistry controller designed for commercial aquatic facilities like pools, spas, and water parks. It provides advanced monitoring for pH, ORP (sanitizer level), temperature, and flow rate, with additional capabilities for managing total alkalinity and chemical inventory. Installation Overview

Proper installation is critical for the accuracy and longevity of the controller. Always refer to the full BECSys5 Operation & Maintenance Manual before starting.

Environmental Requirements: The unit is housed in a NEMA 4X (IP65) enclosure, which is water-resistant but not designed for explosive environments. Ensure it is mounted in a well-ventilated area that stays within recommended environmental specifications. Mechanical & Plumbing:

Mounting: All components should be securely mounted to a backboard for ease of access.

Piping: It is highly recommended to use the pressure-to-pressure method for piping the water treatment system into the filtration lines.

Testing: Install the flow cell plumbing and perform a pressure test before wiring the controller to avoid water damage during setup.

Electrical Setup: All wiring must comply with local plumbing and electrical codes. For remote monitoring features, the BECSys5 comes standard with Gbit Ethernet. Technical Features & Controls Monitoring Capabilities: Beyond basic pH and ORP, the

can monitor True PPM (Free, Total, and Combined chlorine), Total Alkalinity, and even system turbidity. Safety Fail-Safes:

Manual-On Limit: Automatically returns manual overrides back to automatic mode to prevent accidental chemical overfeeding.

No Flow Alarm: Locks out chemical feed if it detects a lack of circulation, ensuring sensors aren't monitoring stagnant water.

Feed Limit Alarms: Programmable timers to prevent overfeeding due to equipment failure.

Remote Management: Through the BECSys Live! portal, operators can access real-time data and receive alarm notifications via email or text on smartphones and tablets. Maintenance & Troubleshooting

Calibration: The controller allows for Reset Calibration, which restores settings to factory defaults if readings become inconsistent.

Alarms: The digital display will scroll through multiple alarms to help identify issues like "Booster FAILSAFE" (continuous feeding without reaching set point) or flow disruptions.

Sensor Care: The proprietary pH and ORP sensors typically carry a 2-year warranty and are essential for maintaining the "workhorse" performance of the unit. BECSys5 Installation and Technical Manual - Googleapis.com

The BECSys5 Water Chemistry Controller is an advanced system designed for continuous monitoring and control of aquatic environments like pools and spas. Detailed technical information can be found in the BECSys5 Operation and Maintenance Manual and the BECSys5 Technical Data Sheet. Installation Guidelines

Proper installation is critical for the controller's performance and longevity:

Mounting and Plumbing: All components must be mounted and the flow cell plumbing installed and pressure-tested before any electrical wiring begins.

Environmental Requirements: The unit is housed in a NEMA 4X (IP66) enclosure, which is splash-proof but not suitable for explosive environments. It must be installed in a well-ventilated area where ambient temperatures stay between -18∘Cnegative 18 raised to the composed with power cap C 50∘C50 raised to the composed with power cap C

Code Compliance: Installation must strictly adhere to all local electrical and plumbing codes. Technical Specifications offers robust monitoring and control capabilities:

Inputs: Monitors pH (0–14 range), ORP (-1000 to +1000 mV), and temperature (32–150°F). Optional inputs include free chlorine, conductivity/TDS, turbidity, and system pressure.

Electrical: Operates on 115/230 VAC, 50/60 Hz single-phase power.

Connectivity: Features standard Gbit Ethernet and supports remote access via the BECSys Live! web portal and mobile apps. Operation and Maintenance

Key procedures for maintaining system accuracy and safety include:

Programming: Access the program menu by holding the Cal and Up keys for three seconds.

Sensor Care: pH and ORP sensors require regular cleaning and should be stored in a pH 4 buffer with potassium chloride (KCl) during the off-season.

Safety Features: Includes programmable "Feed Limit Alarms" to prevent over-chemicalization and an emergency-off button that immediately halts all chemical feeds.

For specific troubleshooting or parts, distributors like Aquafinity and Commercial Aquatic Supplies provide direct access to the latest documentation and support. Operation and Maintenance Manual - BECSys5 - Aquafinity

The server room hummed with the sound of a million dollars of cooling equipment, but Elias was sweating anyway. In his hands, he held the Holy Grail, or at least the closest thing to it in the world of legacy industrial software: a pristine, shrink-wrapped copy of the BECsys5 Installation and Technical Manual.

"Where did you find it?" whispered Sarah, the junior sysadmin, her eyes wide. The overhead fluorescents flickered, casting long shadows across the dusty raised floor.

"Antique shop in Akron," Elias muttered, wiping grease from his thumb onto his jeans. "The owner thought it was a cookbook for a Russian pressure cooker. Cost me fifteen bucks and a pack of smokes."

He approached the BECsys5 mainframe—a monolithic slab of beige steel that predated the internet as they knew it. It controlled the atmosphere for the entire subterranean research facility. For three days, the humidity sensors had been reading "Desert Dry" while the condensation dripped from the ceiling like a bad horror movie.

"Okay," Elias said, cracking the spine of the manual. The glue popped with the sound of a breaking twig. "Let’s see what secrets you hold."

He flipped past the disclaimer—WARNING: Improper configuration may result in rapid pressure equalization—and found the installation schematic. It was page 42, famously known in the industry as the 'Triangle of Death.'

"Sarah, hand me the RS-232 to USB adapter. No, the other one. The one with the frayed cable."

Sarah handed it over. "The forums say BECsys5 was written in 1987 by a guy named Boris who didn't believe in comments."

"True," Elias said, plugging the cable into the dusty port on the mainframe's front panel. "But Boris believed in over-engineering. Look at this manual. It’s three hundred pages of pure technical necessity."

He opened the terminal on his laptop. The cursor blinked, a green heartbeat on a black screen.

SYSTEM READY. AWAITING HANDSHAKE.

"Section 4: Initialization Protocols," Elias read aloud. "It says here we need to input the installer code. Do you have the post-it note from the previous admin?" Temperature: 5°C to 45°C (41°F to 113°F) during

Sarah fumbled through a binder. "Found it! It says 'Admin Password: 12345'."

"Too easy," Elias grunted, typing. The screen flashed red.

ACCESS DENIED. INITIATING LOCKOUT PROCEDURE.

A heavy mechanical thunk echoed from inside the mainframe.

"Wait!" Sarah pointed at the manual. "Look at the footnote! The manual text says, 'Default password is 12345, unless the year is a prime number. In that case, use the factory set variable located on the inside of the casing cover.'"

"It's 2023," Elias said, his stomach dropping. "2023 is prime."

He scrambled for his toolkit, grabbing a screwdriver. He had thirty seconds before the lockout engaged the fire suppression system—a halon gas deployment that would kill the servers (and them) to prevent a non-existent fire.

"Talk me through it, Sarah. I can't read the screen and the manual at the same time."

"Section 2, Paragraph C," Sarah read, her voice trembling. "If the lockout triggers, locate the physical bypass switch. It is disguised as a cassette tape eject button to prevent unauthorized tampering."

Elias stared at the front panel. Amidst the blinking lights and knobs was a dusty slot labeled DATA REC. He jammed his thumb against it.

Nothing happened.

"Seven seconds," Sarah counted down.

Elias looked at the manual in her hands. He saw a diagram he hadn't noticed before. It wasn't just a button; it was a specific sequence. He pressed the button twice, held it on the third press, and whispered, "Boris loves engineering."

Click.

The hum of the server changed pitch. The red warning light turned amber, then a steady, soothing green.

LOCKOUT DISENGAGED. MANUAL OVERRIDE ACCEPTED.

Elias exhaled, his forehead resting against the cool metal of the cabinet. He looked down at the BECsys5 Installation and Technical Manual. It was open to a page he hadn't seen before—the appendix.

Scrawled in faded ballpoint pen in the margin, in handwriting that looked suspiciously like the diagram labels, was a note:

“Prime number trick is a joke. Password is always the name of my cat: MR. WHISKERS.”

Elias looked at the blinking cursor. He typed: MR. WHISKERS.

ACCESS GRANTED. WELCOME, ADMINISTRATOR.

He looked at Sarah. "Remind me to never trust the internet again."

"The humidity is stabilizing," Sarah said, checking her tablet

The BECSys5 is a high-performance water chemistry controller designed for commercial aquatic facilities.

Key aspects of its installation and technical operation include: Installation Guidelines Manual Review

: Read the manual completely before starting; installation requirements vary based on the specific application. Prerequisites

: Mount all components, install flow cell plumbing, and perform pressure testing before wiring the controller. Compliance

: Ensure all work adheres to local plumbing and electrical codes.

: The standard manual covers firmware v2.20; for newer versions, contact your distributor for an updated copy. Technical Capabilities Monitoring & Control

: Provides continuous tracking and dosing for pH, ORP (sanitizer/oxidizer), conductivity, TDS, and turbidity. Operational Systems

: Features patent-pending VFD control and Total Dynamic Head monitoring to optimize circulation pump efficiency. Hardware Protections

: Data logs are maintained in battery-protected RAM to prevent data loss during power failures. Connectivity : Standard Gbit Ethernet supports the BECSys Live!

online portal, mobile apps (iOS/Android), and automated email/text alarm notifications. Navigation & Programming Accessing Menus : Press and hold the keys simultaneously for three seconds.

: If an access code is set, use the arrow keys to enter the three-digit code. Adjusting Settings arrows to scroll through settings and the key to select or save changes. Auto-Timeout

: The controller will automatically exit the program menu after five minutes of inactivity. Technical Specifications Range / Resolution 0 to 14 pH (0.1 or 0.01 resolution) -1000 to +1000 mV (1 mV resolution) Temperature 32 to 150°F / 0 to 66°C (1° resolution) Conductivity/TDS 0 to 20,000 micro-mhos / 10,000 ppm Up to 8800 gpm (0.1 gpm resolution) For complete documentation, you can view the BECSys5 Installation and Maintenance Manual Technical Data Sheet or a specific calibration guide for the sensors? BECSys5 Installation and Technical Manual - Googleapis.com

Installation and Technical Manual is an advanced, expandable water chemistry controller designed for commercial aquatic facilities such as pools, water parks, and fountains. This guide provides a technical overview of installation, wiring, and system specifications. 1. Technical Specifications

is available in two primary voltage configurations and offers extensive input/output capabilities Electrical Ratings 115VAC Model : 60Hz, Single Phase, 12.25 Amps Full Load. 230VAC Model : 50Hz, Single Phase, 12.125 Amps Full Load. Standard Relays : Four (4) solid-state relay outputs (3A each).

: Up to 15 additional relays (total 19-24) using SRX or MRX modules. Input Capabilities Standard Probes

: Proprietary pH, ORP, and temperature sensors (36” or 10’ cable lengths). Advanced Monitoring

: TruePPM™ sensors (Free, Total, and Combined Chlorine), Total Alkalinity, Conductivity (TDS), and Turbidity. Analog Outputs

: Up to eight separately isolated 4-20mA outputs for VFD control or data recording. 2. Installation Guidelines

Proper mounting and plumbing are critical for accurate sensor readings and system safety. Mounting & Location Environmental Conditions

: The unit must be mounted in a protected area. For convenience, it is often pre-assembled on a back panel with the flow cell. Safety First

: Components must be mounted and pressure tested before any electrical wiring begins. Emergency Off : Ensure the front-panel Emergency Off button is easily accessible. Plumbing the Sample Stream BECSys5 Installation and Technical Manual - Googleapis.com


1.3 Environmental Considerations

  • Temperature: 5°C to 45°C (41°F to 113°F) during operation
  • Humidity: 10% to 90% non-condensing
  • EMI/RFI: Keep at least 30 cm from high-power variable frequency drives (VFDs)
  • Grounding: Isolated earth ground for chassis (impedance < 1 ohm)

4.2 Gateway Network Settings (BEC5-GW)

Access via front panel or serial console (115200, 8‑N‑1).
Set static IP (DHCP not recommended for production):

IP Address   : 192.168.1.100
Subnet Mask  : 255.255.255.0
Default GW   : 192.168.1.1
BACnet Port  : 47808 (UDP)
Modbus TCP Port : 502

11. Technical Support

  • Email: support@becsys5.com
  • Web Ticket: https://support.becsys5.com
  • Phone: +1 (888) 232-7795 (24/7 emergency)
  • Have ready: Controller serial number, firmware version, network topology diagram.

Document Control
Author: BECSys Engineering Team
Last Reviewed: 2025-03-15
Next Review: 2026-03-15

End of Manual


2.1 Site Readiness

  • Ambient temperature: 0°C to 50°C (operational)
  • Humidity: 10–90% RH (non-condensing)
  • Mounting surface: Flat, non-flammable, vibration-free
  • Clearance: 150mm top/bottom, 50mm sides for airflow