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First Co. Manuals & User Guides

First Co. is a leading US-based manufacturer of residential and commercial HVAC products, specializing in independent fan coils, water-source heat pumps, and air handlers.

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First Co. manuals

Selected manuals from manuals+ curated for this brand.

First Co. A2L Sensor and TXV Installation, Operation & Maintenance Manual (IOM4100)

Installation, Operation, & Maintenance

Comprehensive guide for installing, operating, and maintaining First Co. Ceiling Fan Coils with A2L Sensors and TXV. Includes safety precautions, bill of materials, mounting, wiring, and installation steps for HVAC…

First Co. WCX12 Series Thru-the-Wall Split Condensing Unit - R-410A

technical specification

Detailed specifications and features for the First Co. WCX12 Series Thru-the-Wall Split Condensing Units, including electrical data, certified combination ratings, and physical dimensions for models WCX12-AB and WCX12-BB.

First Co. CDX Series AquaTherm Fan Coil Units

technical specification

Detailed specifications and performance data for the First Co. CDX Series AquaTherm horizontal recessed ceiling fan coil units, available in 1.5 to 3 ton cooling capacities.

CDX-HW & CDXX-HW Series Fan Coil Units: Installation, Operation, and Maintenance Instructions

manual

Comprehensive guide for the installation, operation, and maintenance of CDX-HW and CDXX-HW Series Fan Coil Units. Covers safety precautions, installation procedures, piping, electrical connections, startup, and maintenance schedules.

First Co. ECO Series COOL-PAK Single Package Vertical Units

technical specification

Detailed specifications and features for the First Co. ECO Series COOL-PAK Single Package Vertical Units, including straight cool and heat pump models. This document covers unit dimensions, performance data, electrical…

First Co. HX Series Ceiling Fan Coils - Technical Specifications

technical specification

Detailed specifications for the First Co. HX Series of ceiling fan coils, including HX0, HXX, and HXS models. Covers compatibility with R32, R454B, and R410A refrigerants, electrical data, blower performance,…

UC-HW, UCX-HW Series Fan Coil Units: Installation, Operation, and Maintenance Instructions

Installation, Operation, and Maintenance Instructions

Comprehensive guide for the installation, operation, and maintenance of UC-HW and UCX-HW Series Fan Coil Units. Includes safety precautions, mounting instructions, electrical and piping details, pre-startup checks, and maintenance procedures.

VMB Fan Coil Unit Installation, Operation, and Maintenance Instructions

manual

Comprehensive guide for the installation, operation, and maintenance of VMB fan coil units, covering safety precautions, electrical connections, piping, condensate drainage, troubleshooting, and blower speed selection.

Installation, Operation, & Maintenance Manual for EFE/EFW Series FRESH-PAK Units

Installation Manual

Comprehensive guide for the installation, operation, and maintenance of EFE and EFW Series Space Constrained Units with Energy Recovery Ventilation (ERV) from First Co. Includes model nomenclature, safety considerations, physical…