Flomec QSI Series Manuals

Flomec QSI Series Installation instructions manual (20 pages)

• Identifier: id-1626303
• Brand: Flomec
• Device: Control Unit
• Type: Installation instructions manual, PDF
• Key Aspects: Warranty and Service Information, Technical Drawings and Schematics
• UPD Date: 02.04.2026
• Source File: 1604020.pdf
• Pages: 20
• Description: Device setup guide for the Flomec QSI Series. It provides information on safety and product handling, security instructions, repair references, operation.

Key Pages and Contents:

• Sensor VCC Output

  PT100-White Input High Side PT100-Blue Input Return RS-485 (Galvanically Isolated) RS485 (+) Positive Signal RS485 (-) Negative Signal RS485 GND Circuit Ground* PULSE INPUT +5V 5 V (dc) output to power external sensor (+) Digital Pulse Frequency Input, up to

• QSI Version 1

  Inputs: Temp Sensors, Variable Reluctance, Pickup Coil Outputs: RS-485, Pulse Output (+) (-) Power (-) Power (+) ISOLATED POWER SUPPLY 12-30 V (ac) or 12-36 V (dc) Pulse Out (+) Pulse Out (-) Open Collector Pulse Input RS485 (-) RS485 (GND) *R2....=120Ω *Shield Custo

• 4. Using a small regular screwdriver,

  remove the clear sealant from the 10 pin female connector holes on the backside of your display. 5. Insert the “long legs” of the 10 pin male connector that came with the kit into the 10 pin female connector on the QSI circuit board

• The QSB and QSI modules are

  available with or without a display. The QSI modules are also available as a “display ready” version with no display installed, but ready for the customer to install his own GPI display. QSB: The QSB module is equipped with pulse-out electronics. Pulse

Flomec QSI Series Installation instructions manual (8 pages)

• Identifier: id-1286232
• Brand: Flomec
• Device: Adapter
• Type: Installation instructions manual, PDF
• Key Aspects: Practical Advice for Users, Device History and Development, User Satisfaction Surveys
• UPD Date: 23.03.2026
• Source File: 1301470.pdf
• Pages: 8
• Description: Full technical guide for the Flomec QSI Series. This manual elaborates on operating guidelines, network configuration, replacement parts, performance optimization.

Key Pages and Contents:

• QSI VERSION 2 PC BOARD

  Pulse In BTU Pulse Out RTDs Pulse Input Power In Figure 7 WIRING DIAGRAMS WIRING DIAGRAM QSI Version 2 Inputs: Temp Sensors, Pulse Input Outputs: Pulse Output (+) (-) Power (-) Power (+) ISOLATED POWER SUPPLY 12-36V AC/DC Pulse Out (+) Pulse Out (-) Open Collector Pulse Inpu

• Q09 DISPLAY (SHOWN)

  (OR) NO DISIPLAY (4) M5-0.8 X 12 SCREW (6) SCREWS, #8-16 X 3/4 (4) MUSHROOM PLUGS O-RING GLAND Figure 1 KIT CONTENTS • (1) Completely assembled QSI module (with or without a display). • (4) M5-0.8 x 12 metric screws. • (1) O-

• Connection / Wiring Diagram

  Standard Pulse Output Board +5V OR Pulse In - QSI Pulse Input Pull Up Resistor R1 Not Both Pulse In + Pulse In + Pulse In - Figure 6 Connection / Wiring Diagram Reed Only Pulse Output Board X Pulse In + Pulse In - (Recommended, but not required)

• Sensor VCC Output

  PT100-White Input High Side PT100-Blue Input Return RS-485 (Galvanically Isolated) RS485 (+) Positive Signal RS485 (-) Negative Signal RS485 GND Circuit Ground* PULSE INPUT +5V 5VDC output to pow- er external sensor (+) Digital Pulse Fre- quency Input, up to

Flomec QSI Series Installation instructions manual (8 pages)

• Identifier: id-1286233
• Brand: Flomec
• Device: Adapter
• Type: Installation instructions manual, PDF
• Key Aspects: Practical Usage Examples, User Case Scenarios, System Requirements
• UPD Date: 05.07.2026
• Source File: 1301469.pdf
• Pages: 8
• Description: Installation guide for the Flomec QSI Series. This manual offers stepwise instructions for regulatory notices, setup instructions, technical assistance, hardware components.

Key Pages and Contents:

• Adapter Kit - QSI Electronics to G-Series Meter

  Installation Instructions INSTRUCTIONS 1. Remove any attached products from the 1” male NPT fitting on top of your G-Series meter. It will be replaced with the adapter kit components. 2. Remove the (6) #8-16 x 3/4 screws attach

• QSI Version 1

  Inputs: Temp Sensors, Variable Reluctance, Pickup Coil Outputs: RS-485, Pulse Output (+) (-) Power (-) Power (+) ISOLATED POWER SUPPLY 12-36V AC/DC Pulse Out (+) Pulse Out (-) Open Collector Pulse Input RS485 (-) RS485 (GND) *R2....=120Ω *Shield Customer Equipment Cus

• QSI VERSION 2 PC BOARD

  Pulse In BTU Pulse Out RTDs Power In Coil A & B (Non-polarized wires) Figure 5 WIRING DIAGRAM QSI Version 2 Input: Temp Sensors, Variable Reluctance, Pickup Coil Output: Pulse Output (+) (-) Power (-) Power (+) ISOLATED POWER SUPPLY 12-36V AC/DC Pulse Out (+)

• Sensor VCC Output

  PT100-White Input High Side PT100-Blue Input Return RS-485 (Galvanically Isolated) RS485 (+) Positive Signal RS485 (-) Negative Signal RS485 GND Circuit Ground* PULSE INPUT +5V 5VDC output to pow- er external sensor (+) Digital Pulse Fre- quency Input, up to

Flomec QSI Series Owner's manual (16 pages)

• Identifier: id-1616803
• Brand: Flomec
• Device: Control Unit
• Type: Owner's manual, PDF
• Key Aspects: Integration with Other Systems, Future Technology Considerations
• UPD Date: 11.06.2026
• Source File: 1613520.pdf
• Pages: 16
• Description: Device instruction manual for the Flomec QSI Series. This guide explains technical procedures for cleaning instructions, component replacement, service procedures.

Key Pages and Contents:

• Sensor VCC Output

  PT100-White Input High Side PT100-Blue Input Return RS-485 (Galvanically Isolated) RS485 (+) Positive Signal RS485 (-) Negative Signal RS485 GND Circuit Ground* PULSE INPUT +5V 5VDC output to power external sensor (+) Digital Pulse Frequency Input, up to 3kH

• The QSI communications

  module is a multiple capability electronics package. The module is available with the plain cover plate or the display mount cover plate. The QSI module has three versions (QSI1, QSI2 or QSI3) available; each with its own mix of capabilities to better serve the

• QSI VERSION 2 PC BOARD

  Pulse In BTU Pulse Out RTDs Power In 10-Pin Ribbon Connector Figure 6 WIRING DIAGRAM QSI Version 2 Inputs: Temp Sensors, GPI Custom Sensor Outputs: Pulse Output 10-Pin Ribbon Cable GPI SENSOR (+) (-) Power (-) Power (+) ISOLATED PWR SUPPLY 12-30VAC, 50-60Hz / 12-

• After wiring the probes to the

  correct terminal of the PC board, perform the differential check. NOTE: Use NSF approved thread sealant on the male threads of the probes when installing in either the meter ports or system port. Failure to do will void the NSF certification. After performing the d