Alfa Laval 3183034171

Technical Dossier

Product Details And Specifications

Alfa Laval HEATPAC Series Technical Notes

The Evolution of HEATPAC Architecture

The HEATPAC control platform was introduced by Alfa Laval to address the need for dedicated, compact automation of plate heat exchanger (PHE) and gasketed heat exchanger (GHE) systems. Early-generation HEATPAC units (pre-2000) relied on analog signal conditioning with discrete relay logic for alarm and trip functions. These units used proprietary edge connectors and were not field-programmable.

The second generation introduced digital I/O expansion capability, RS-485 serial communication, and configurable PID loop parameters via front-panel interface. This generation introduced the modular sub-assembly format that defines the current spare parts catalog structure — individual control boards, power supply cards, and I/O modules became independently replaceable field units.

As of 2024, the HEATPAC series has entered the mature/end-of-life phase. Alfa Laval has transitioned new installations to the Alfa Laval Automation platform. HEATPAC modules are no longer in active production, making third-party sourcing and lifecycle extension services the primary supply channel for maintenance operations.

HEATPAC Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly sourced components within the Alfa Laval HEATPAC control module ecosystem. Units are classified by functional role.

Control & CPU Modules

• 3183034171: HEATPAC main control module; central processing unit for PHE automation loop management
• 3183034172: HEATPAC CPU board variant; extended memory configuration for multi-loop applications
• 3183034100: HEATPAC master controller card; primary logic execution and setpoint management
• 3183034101: HEATPAC controller module; single-loop PID regulation with local HMI interface
• 3183034150: HEATPAC process controller; dual-loop configuration for parallel heat exchanger trains

Analog Input / Output Modules (AI/AO)

• 3183034200: HEATPAC analog input module; 8-channel 4–20 mA signal acquisition board
• 3183034201: HEATPAC AI card; PT100 RTD input, 4-channel, for temperature measurement
• 3183034210: HEATPAC analog output module; 4-channel 4–20 mA for valve positioner control
• 3183034211: HEATPAC AO expansion card; 8-channel output for multi-actuator configurations

Digital Input / Output Modules (DI/DO)

• 3183034300: HEATPAC digital input module; 16-channel 24 VDC discrete signal acquisition
• 3183034301: HEATPAC DI card; 32-channel high-density input for pump and valve status monitoring
• 3183034310: HEATPAC digital output module; 16-channel relay output for alarm and trip actuation
• 3183034311: HEATPAC DO expansion module; 24 VDC solid-state output, 8-channel

Communication & Network Adapters

• 3183034400: HEATPAC Modbus RTU communication adapter; RS-485 interface for SCADA integration
• 3183034401: HEATPAC Modbus TCP/IP module; Ethernet port for plant network connectivity
• 3183034410: HEATPAC fieldbus gateway; Profibus DP slave adapter for third-party DCS integration

Power Supply Modules

• 3183034500: HEATPAC power supply unit; 24 VDC regulated, 5A output for backplane distribution
• 3183034501: HEATPAC redundant PSU module; hot-swap capable, for continuous-operation installations

Sourcing Hard-to-Find & Obsolete HEATPAC Parts

With the HEATPAC series confirmed as end-of-life by Alfa Laval, OEM channel availability for modules such as 3183034171 and related SKUs is effectively closed. DriveKNMS maintains a dedicated inventory of tested HEATPAC spare parts sourced through authorized decommissioning programs, surplus industrial auctions, and direct acquisition from facilities undergoing system upgrades.

Quality Control for the HEATPAC Range

HEATPAC modules present specific testing challenges due to their integrated backplane communication bus and proprietary analog signal conditioning circuits. DriveKNMS applies the following verification protocol to all HEATPAC units prior to dispatch:

• Visual inspection: PCB examination for corrosion, capacitor failure, burnt traces, and connector pin integrity
• Power-on test: Module energized at rated 24 VDC; current draw measured against factory specification
• I/O channel verification: Each analog and digital channel stimulated and output confirmed within tolerance (±0.1 mA for AI/AO; logic-level verification for DI/DO)
• Communication bus test: Modbus RTU/TCP register read/write cycle executed to confirm protocol stack integrity
• Thermal soak: Units operated at elevated ambient temperature (50°C) for minimum 2 hours to screen latent component failures
• Firmware version logging: Firmware revision recorded and disclosed to buyer prior to shipment