FIRSTCO Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for FIRSTCO products.

Tip: include the full model number printed on your FIRSTCO label for the best match.

FIRSTCO manuals

Latest posts, featured manuals, and retailer-linked manuals for this brand tag.

Firstco R-410A Water Source Heat Pump Instruction Manual

Firstco R-410A Water Source Heat Pump Instruction Manual

January 2, 2024
Firstco R-410A Water Source Heat Pump Product Information Specifications Model: WSH6 009-072 Horizontal Series Water Source Heat Pump Installation, Operation, & Maintenance Manual: IOM 8003 Rev. A 5/23 Safety Considerations READ THE ENTIRE MANUAL BEFORE STARTING THE INSTALLATION. These instructions…
Brand: FIRSTCO
Firstco HBXBX Air Handlers User Guide

Firstco HBXBX Air Handlers User Guide

January 2, 2024
Application Bulletin Release Date: June 14, 2023 HBXBX Air Handlers RE: Filter applications for 60 series HB air handlers with ECM motors It has come to our attention that we have shipped HBXBX and VHBX model air handlers with a…
Brand: FIRSTCO
firstco IOM5901 Series Fan Coil Unit Instruction Manual

firstco IOM5901 Series Fan Coil Unit Instruction Manual

March 8, 2023
firstco IOM5901 Series Fan Coil Unit WARNING TO INSTALLER, SERVICE PERSONNEL, AND OWNER Altering the product, improper installation, or replacing parts with unauthorized parts voids all warranty or implied warranty and may result in adverse operational performance or possible hazardous…
Brand: FIRSTCO
Firstco IOM5904 VMB Variable Speed Instruction Manual

Firstco IOM5904 VMB Variable Speed Instruction Manual

March 8, 2023
Firstco IOM5904 VMB Variable Speed WARNING TO INSTALLER, SERVICE PERSONNEL, AND OWNER Altering the product, improper installation, or replacing parts with unauthorized parts voids all warranty or implied warranty and may result in adverse operational performance or possible hazardous conditions…
Brand: FIRSTCO
Firstco CDXQ Series Fan Coil Units User Manual

Firstco CDXQ Series Fan Coil Units User Manual

March 7, 2023
CDXQ Series Fan Coil Units User Manual*CDXQ, *CDXQX, *CDXQR, *CDXQXR SERIES FAN COIL UNITS Installation, Operation, and Maintenance Instructions WARNING TO INSTALLER, SERVICE PERSONNEL, AND OWNER Altering the product, improper installation, or replacing parts with unauthorized parts voids all warranty…
Brand: FIRSTCO
Firstco HBXB-HW Fan Coil Units Instruction Manual

Firstco HBXB-HW Fan Coil Units Instruction Manual

March 7, 2023
Firstco HBXB-HW Fan Coil Units WARNING TO INSTALLER, SERVICE PERSONNEL, AND OWNER Altering the product, improper installation, or replacing parts with unauthorized parts voids all warranty or implied warranty and may result in adverse operational performance or possible hazardous conditions…
Brand: FIRSTCO
Firstco VMBE Air Handler Instruction Manual

Firstco VMBE Air Handler Instruction Manual

March 7, 2023
Firstco VMBE Air Handler WARNING TO INSTALLER, SERVICE PERSONNEL, AND OWNER Altering the product, improper installation, or replacing parts with unauthorized parts voids all warranty or implied warranty and may result in adverse operational performance or possible hazardous conditions to…
Brand: FIRSTCO
Firstco XHD Direct Drive Double Wall Air Handler User Manual

Firstco XHD Direct Drive Double Wall Air Handler User Manual

March 6, 2023
XHD Direct Drive Double Wall Air Handler User Manual*WHD / *XHD Direct Drive ECM DIRECT DRIVE DOUBLE WALL AIR HANDLER 0-10VDC input controlled Installation, Operation, and Maintenance Instructions WARNING TO INSTALLER, SERVICE PERSONNEL, AND OWNER Altering the product, improper installation,…
Brand: FIRSTCO