Products Description




| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
| +8613950166376 | |||
| 13950166376 |

Technical Specifications
| Parameter | Specification |
|---|---|
| Model | Honeywell RM7850A1001 |
| Series | 7800 SERIES Burner Control |
| Power Supply Voltage | 120 Vac (+10% / -15%), 50/60 Hz (±10%) |
| Control Voltage | 115–120 Vac |
| Power Dissipation (Relay Module) | Max. 10 W |
| Maximum Load | 2000 VA |
| Fusing | 15 A (Type SC or equivalent) |
| Ambient Operating Temperature | -40°C to +60°C (-40°F to +140°F) |
| Storage Temperature | -40°C to +66°C (-40°F to 150°F) |
| Humidity | 85% RH, non-condensing |
| Vibration | 0.5G |
| Ignition Output | 120 Vac, 2A ignition |
| Pilot Valve Outputs | PV1 & PV2: 120 Vac, 4A, 20A inrush |
| Main Fuel Valve Output | 120 Vac, 4A, 20A inrush |
| Flame Signal Input | 136 to 220 Vac, current limited |
| Sequence Timing (Preignition) | 2 seconds |
| Firing Rate Outputs | HI, LO, MOD, COM: 120 Vac, 0.5A each |
| Dimensions | 127 x 127 x 133 mm |
| Weight | 0.73 kg |
| Flame Detection Compatibility | UV or Rectification types with plug-in amplifiers |
| Certifications | EN298, SIL3 capable, FM, CE |
FAQ
FAQ
Q1: What type of burner applications is the RM7850A1001 suitable for?
A1: It is designed for fully modulating burner applications using gas, oil, or combination fuels.
Q2: What is the power supply requirement for the RM7850A1001?
A2: The module operates at 120 Vac ±10%, 50/60 Hz.
Q3: What kind of flame detectors are compatible with this control?
A3: It supports UV detectors like C7027/C7035 and rectification flame rods with plug-in amplifiers such as R7847 or R7861.
Q4: Does it support flame signal self-check functionality?
A4: Yes, using dynamic self-check flame amplifiers such as R7861A.
Q5: Can the RM7850A1001 be used in SIL 3 safety systems?
A5: Yes, it is SIL 3 capable when used in an appropriately designed safety system.
Q6: What environmental conditions can it withstand?
A6: Operating temperatures from -40°C to +60°C, and 85% RH non-condensing humidity.
Q7: Is a Keyboard Display Module (KDM) required?
A7: No, it is optional, but provides additional diagnostics and configuration functions.
Q8: What are the dimensions and weight of the unit?
A8: The unit measures 127 x 127 x 133 mm and weighs 0.73 kg.
Tags
Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
