Units Manuals & User Guides

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

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

Units manuals

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

Nuaire 671755 Drimaster Eco Heat Units User Guide

February 22, 2026
Nuaire 671755 Drimaster Eco Heat Units DRI-ECO-HC USER GUIDE Condensation dampness is more common than you think, particularly in older homes. As winter sets in and the temperature starts to drop many of us will notice the problem more. The…

LENNOX 508846-01 Hvac Rooftop Electric Heat Units Installation Guide

January 30, 2026
LENNOX 508846-01 Hvac Rooftop Electric Heat Units Specifications Product Name: Electric Heat Units Model Number: 508846-01 Manufacture Date: 1/2026 Usage: Electric heaters for SC/SH 092-120 units Shipping and Packing List Electric Heat Package Contains Electric Element/Control Box Assembly Installation Instruction…

Carrier 42DT Ducted Fan Coil Units User Manual

January 26, 2026
Carrier 42DT Ducted Fan Coil Units Specifications Product: Ducted Fan Coil Unit Application: Horizontal concealed ceiling Installation: Easy Maintenance: CE certified DUCTED FAN COIL UNITS 42DT The Carrier 42DT is available in different sizes with 2-pipe or 4-pipe coils, with…

KOMFORT 281 L-R Roto EC S Air Handling Units User Manual

January 10, 2026
KOMFORT 281 L-R Roto EC S Air Handling Units This user’s manual is a main operating document intended for technical, maintenance, and operating staff. The manual contains information about purpose, technical details, operating principle, design, and installation of the KOMFORT…