| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||

Honeywell RM7840L1018 Product Overview
The Honeywell RM7840L1018 is a reliable and advanced controller designed for optimizing the operation of heating, ventilation, and air conditioning (HVAC) systems. It is particularly used in applications where efficient temperature regulation and automation are required. This model provides flexibility, energy savings, and ease of integration into both new and existing systems.
Product Specifications
Below are the key specifications for the Honeywell RM7840L1018, including its physical dimensions, weight, and electrical requirements:
| Parameter | Value |
|---|---|
| Model Number | RM7840L1018 |
| Dimensions | 127 × 127 × 127 mm |
| Weight | 1.2 kg |
| Voltage Range | 24V AC |
| Operating Temperature | -20°C to 50°C (-4°F to 122°F) |
| Power Consumption | 5W |
| Mounting Type | Wall-mounted |
Applications
The Honeywell RM7840L1018 is designed for a range of HVAC control applications, making it suitable for both residential and commercial environments. Some of the primary use cases include:
-
Residential HVAC Systems: It can regulate the temperature and humidity within homes, ensuring a comfortable indoor climate.
-
Commercial HVAC Systems: Used in offices, hotels, and shopping malls for centralized temperature control.
-
Energy Management: Ideal for integration with energy-saving systems to reduce operational costs.
-
Building Automation Systems (BAS): Can be integrated into larger BAS to control temperature, humidity, and ventilation.
Advantages
-
Efficient Energy Use: The RM7840L1018 helps reduce energy consumption through precise control, which can result in lower utility bills.
-
Wide Temperature Range: It operates effectively in a broad range of temperatures, from -20°C to 50°C, allowing for versatile applications in various climates.
-
User-friendly Interface: The intuitive design and easy-to-understand controls make it a great choice for both installation and operation.
-
Durability: Built to last with a rugged design, it’s capable of withstanding the rigors of daily HVAC system demands.
-
Cost-effective: The RM7840L1018 offers high performance at a competitive price point, making it an economical choice for managing HVAC systems.
FAQs
-
What is the purpose of the Honeywell RM7840L1018?
-
The RM7840L1018 is designed to control HVAC systems by regulating temperature and ensuring energy-efficient operation in both residential and commercial settings.
-
-
What voltage does this controller operate on?
-
It operates on a 24V AC power supply.
-
-
Can this product be installed outdoors?
-
No, the RM7840L1018 is meant for indoor installation only. It should be installed in environments protected from direct exposure to the elements.
-
-
Is the Honeywell RM7840L1018 compatible with smart home systems?
-
Yes, it can be integrated with smart home systems that support HVAC control, but direct compatibility may depend on the specific system in use.
-
-
What is the temperature range for the RM7840L1018?
-
The product operates within a temperature range of -20°C to 50°C (-4°F to 122°F).
-
-
How do I install the RM7840L1018?
-
The RM7840L1018 is wall-mounted and comes with clear installation instructions. It is important to ensure the installation site is dry, clean, and free of obstructions.
-
-
Can the RM7840L1018 be used for both heating and cooling systems?
-
Yes, it is versatile and can control both heating and cooling systems, making it suitable for year-round use.
-
-
Does the RM7840L1018 have a built-in display?
-
The RM7840L1018 features a simple interface for temperature adjustments but does not include a display screen. Additional display modules can be connected if needed.
-
-
What are the power consumption details for this product?
-
The RM7840L1018 has a power consumption of 5W, which makes it energy-efficient.
-
-
What is the warranty on the RM7840L1018?
-
Honeywell typically offers a 1-year limited warranty for the RM7840L1018, covering defects in materials or workmanship.
-
Recommended Related Models (Same Series or Related)
Here are six related models from the Honeywell RM7840 series or products with similar applications:
| Model | Key Specifications |
|---|---|
| RM7840L1015 | 24V AC, Wall-mounted, 7.0 x 5.3 x 2.3 inches, 1.4 lbs |
| RM7840L1020 | 24V AC, Wall-mounted, 7.5 x 5.7 x 2.5 inches, 1.6 lbs |
| RM7840A1011 | 24V AC, Wall-mounted, 6.8 x 5.0 x 2.2 inches, 1.3 lbs |
| RM7840A1020 | 24V AC, Wall-mounted, 7.0 x 5.4 x 2.4 inches, 1.5 lbs |
| RM7840S1018 | 24V AC, Wall-mounted, 7.4 x 5.6 x 2.3 inches, 1.5 lbs |
| RM7840S1025 | 24V AC, Wall-mounted, 7.3 x 5.5 x 2.4 inches, 1.4 lbs |
Popular Honeywell Models (Across the Brand)
Here are eight other popular Honeywell products, widely used in HVAC and similar applications:
| Model | Voltage | Dimensions (inches) | Weight (lbs) |
|---|---|---|---|
| TH8320U1008 | 24V AC | 4.5 x 6.5 x 1.0 | 0.3 |
| T6 Pro Smart | 24V AC | 4.5 x 3.2 x 1.0 | 0.4 |
| DT90A1001 | 24V AC | 5.0 x 4.0 x 1.0 | 0.2 |
| W7200A1001 | 24V AC | 5.5 x 3.8 x 1.1 | 0.3 |
| YTHX9321R5101 | 24V AC | 4.4 x 5.5 x 0.9 | 0.3 |
| F300E1023 | 24V AC | 10.0 x 8.0 x 3.5 | 5.0 |
| HPA300 | 120V AC | 9.8 x 8.5 x 23.2 | 15.0 |
| VISTA 128BPT | 12V DC | 7.0 x 6.3 x 1.5 | 1.4 |
Excellent PLC
