Honeywell RM7895A1014/U Burner Mod Primary Control
Specifications
Manufacturer: Honeywell
Product No.: RM7895A1014/U
Condition： 10 العناصر الموجودة في المخزون
Product Type: Burner Primary Controls
Product Origin: USA
Payment:T/T, Western Union
Weight: 2000g
Shipping port: Xiamen
Warranty: 12 months
تفاصيل المنتج
وصف
The RM7895A1014/U is a microprocessor-based integrated primary burner control engineered by Honeywell for automatically fired gas, oil, or combination-fuel single burner applications. This unit provides on-off primary control with integrated prepurge functionality, delivering advanced safety, functional capability, and system diagnostics compared to conventional controls. Key functions include automatic burner sequencing, flame supervision, airflow switch checks, and comprehensive nonvolatile memory for history retention.
System Architecture and Required Components
Operation of this primary control requires specific plug-in components, including a Q7800A or Q7800B universal wiring subbase, an interchangeable plug-in flame amplifier compatible with the 7800 Series, and an ST7800A plug-in purge timer card to determine prepurge timing. Five diagnostic LEDs provide real-time sequence information, while nonvolatile memory retains history files and sequencing status even after a power loss.
Electrical Ratings and Environmental Performance
The control operates on a 120 Vac supply voltage at 50 Hz or 60 Hz frequencies with a ±10% tolerance. It is housed in an enclosure designed to withstand a 0.5 G vibration environment and supports a shipping and storage temperature range of -40 deg C to +60 deg C. The unit carries recognized and certified industrial approvals including UL, CSA, Factory Mutual, and CSD-1 compliance.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | RM7895A1014/U |
| Brand | Honeywell |
| Product Type | Burner Mod Primary Control (On-Off Primary Control with Prepurge) |
| Voltage | 120 Vac (+10, -15%) |
| Frequency | 50 Hz / 60 Hz (±10%) |
| Flame Establishing Period - Pilot | 4 sec or 10 sec |
| Flame Establishing Period - Main | Intermittent |
| Required Components | Q7800A/B Subbase, 7800 Series Flame Amplifier, ST7800A Purge Timer Card |
| Used With | 7800 Series Amplifiers |
| Dimensions (with Q7800A Subbase) | 127 mm x 127 mm x 133 mm (5 in. x 5 in. x 5 1/4 in.) |
| Dimensions (with Q7800B Subbase) | 127 mm x 127 mm x 155 mm (5 in. x 5 in. x 6 3/32 in.) |
| Operating/Storage Temperature | -40 deg C to +60 deg C (-40 F to +140 F) |
| Vibration Tolerance | 0.5 G environment |
| Weight | 0.9 kg (1 lb 15 oz) |
| Shipping Weight | 2 kg |
| Approvals | UL File No. MP268, CSA File No. LR95329-3, FM Report No. OX4A5.AF, CSD-1, Swiss RE, FCC Part 15 Class B |
Frequently Asked Questions
Q: What mandatory plug-in components are required for the RM7895A1014/U to operate?
A: It requires a Q7800A or Q7800B universal wiring subbase, a compatible 7800 Series plug-in flame amplifier, and an ST7800A purge timer card.
Q: How does the control retain data during a power interruption?
A: It features built-in nonvolatile memory that retains historical error files and sequencing status after a power loss.
Q: What is the nominal operating voltage for this primary burner control? A: It operates on 120 Vac power at 50 Hz or 60 Hz frequencies.
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