1. 서론
The Robertshaw uni-line 712 series pilot ignition system features flame rectification with solid-state logic and flame sensing. This system provides automatic sequencing to ensure proper operation of an intermittent pilot ignition device. The 712 series pilot ignition system is designed for quick and easy installation, and includes comprehensive instructions and troubleshooting information. These systems are available with various gas valve types to suit a wide range of furnace applications, handling up to 720,000 BTU (natural gas) depending on the model. The SP845 lockout ignition control, used in the 712 lockout uni-kits, provides 90 seconds of spark followed by a six-minute time delay (purge) period between ignition attempts. After three unsuccessful tries, if no pilot flame is sensed, the SP845 enters a 1-hour lockout period. If the demand for heat persists after this lockout, the unit will automatically repeat the three ignition attempts.
주요 특징
- Converts conventional standing pilot systems to intermittent pilot systems.
- Suitable for use with residential and commercial heating equipment.
- Includes 720-070 valve, 780-715 module, wiring harness, spark/sensor probe, and mounting hardware.
- Inlet/outlet dimensions: 1/2 x 3/4 inches.
- BTU capacity: 200,000 NG (Natural Gas).
그림 1: 위에view of the Robertshaw 712-017 Pilot Ignitor System components, including the valve, module, and wiring.
2. 안전 정보
경고: 부적절한 설치, 조정, 변경, 서비스 또는 유지보수는 재산 피해, 부상 또는 사망을 초래할 수 있습니다. 이 장비를 설치하거나 서비스하기 전에 설치, 작동 및 유지보수 지침을 철저히 읽으십시오.
- Always disconnect electrical power and shut off the gas supply to the appliance before performing any service.
- 설치 및 서비스는 자격을 갖춘 설치자, 서비스 기관 또는 가스 공급업체를 통해 수행되어야 합니다.
- 모든 배선 연결이 지역 및 국가 전기 규정을 준수하는지 확인하세요.
- Check for gas leaks after installation or service using a soap solution; never use an open flame.
- 이 기기나 다른 기기 근처에서 가솔린이나 기타 가연성 증기 및 액체를 보관하거나 사용하지 마십시오.
- This product is designed for natural gas (NG) applications. Refer to product specifications for compatibility with other gas types.
3. 패키지 내용
설치를 시작하기 전에 모든 구성 요소가 있는지 확인하세요.
- Robertshaw 720-070 가스 밸브
- Robertshaw 780-715 Ignition Module
- 배선 마구
- Spark/Sensor Probe Assembly
- 장착 하드웨어
- 설치 및 작동 지침
4. 설치
Installation of the Robertshaw 712-017 Pilot Ignitor System should be performed by a qualified service technician. Refer to the detailed installation instructions provided with the product for specific wiring diagrams and mounting procedures.
- 준비: Disconnect all electrical power to the appliance and shut off the main gas supply.
- Remove Old System: Carefully remove the existing pilot system and associated components, if applicable.
- 마운트 구성 요소: Mount the new 720-070 gas valve and 780-715 ignition module in appropriate locations, ensuring proper ventilation and access for service.
- 가스 배관 연결: Connect the gas piping to the new valve, ensuring all connections are tight and leak-free.
- 와이어 연결: Connect the wiring harness to the ignition module, spark/sensor probe, and appliance controls according to the provided wiring diagram. Ensure all electrical connections are secure.
- 누출 테스트: Restore gas supply and perform a thorough leak test on all gas connections using a non-corrosive soap solution.
- 전기 테스트: Restore electrical power and test the system operation as described in the operating instructions.
중요한: Always verify proper operation and safety controls after installation.
5. 사용 설명서
The Robertshaw 712-017 Pilot Ignitor System operates automatically in response to a call for heat from the thermostat.
- 열을 요청합니다: When the thermostat calls for heat, the ignition module initiates a sequence.
- Spark Ignition: The module sends a spark to the pilot burner, attempting to ignite the pilot flame.
- 화염 감지: Once the pilot flame is established, the flame sensor detects its presence, signaling the module.
- Main Burner Ignition: Upon successful pilot ignition, the main gas valve opens, allowing gas to flow to the main burners, which are then ignited by the pilot flame.
- Heat Cycle Completion: The system continues to operate until the thermostat's call for heat is satisfied, at which point the main burner and pilot flame are extinguished.
Lockout Feature (SP845 Control)
- The SP845 lockout ignition control provides 90 seconds of spark during each ignition attempt.
- If ignition is not achieved, there is a six-minute time delay (purge) before the next attempt.
- After three unsuccessful ignition attempts, the SP845 enters a 1-hour lockout period.
- If the demand for heat is still present after the 1-hour lockout, the unit will automatically repeat the three ignition attempts.
6. 유지관리
Regular maintenance ensures the longevity and efficient operation of your Robertshaw 712-017 Pilot Ignitor System. All maintenance should be performed by a qualified service technician.
- 연례 검사: Have the entire heating system, including the pilot ignitor, inspected annually by a qualified technician.
- 청결: Ensure the pilot burner and flame sensor are free from dust, lint, and debris. A dirty sensor can prevent proper flame detection.
- 배선 점검: 정기적으로 모든 배선 연결부의 조임 상태와 마모 또는 손상 여부를 점검하십시오.
- 가스 압력 : Verify that the gas pressure to the valve is within the manufacturer's specified range.
- 구성 요소 무결성: Inspect the gas valve and ignition module for any visible signs of damage or corrosion.
7. 문제 해결
Before attempting any troubleshooting, ensure all safety precautions are followed, including disconnecting power and gas supply. If you are not a qualified technician, contact a professional for assistance.
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| No ignition/Pilot not lighting | No power to the module, no gas supply, faulty spark/sensor probe, dirty pilot burner, module in lockout. | Check power supply, verify gas valve is open, inspect and clean pilot assembly, check for module lockout (wait 1 hour or reset power if applicable), test spark/sensor probe. |
| Main burner does not ignite after pilot lights | Weak pilot flame, faulty flame sensor, main gas valve issue. | Adjust pilot flame, clean or replace flame sensor, check main gas valve operation. |
| System goes into lockout frequently | Intermittent pilot ignition failure, low gas pressure, faulty module. | Inspect pilot assembly for obstructions, verify gas pressure, test or replace ignition module. |
For detailed troubleshooting steps and diagnostic procedures, refer to the complete manual provided with your system or consult a qualified HVAC technician.
8. 사양
| 특징 | 세부 사항 |
|---|---|
| 모델 번호 | 712-017 |
| 제조업체 | 스탠다드 플러밍 서플라이 |
| 품목 무게 | 3파운드 |
| 제품 치수 | 3 x 3 x 4.13 인치 |
| 포함된 구성 요소 | 720-070 Valve, 780-715 Module, Wiring Harness, Spark/Sensor Probe, Mounting Hardware |
| Inlet/Outlet (Gas Valve) | 1/2 x 3/4인치 |
| BTU Capacity (Natural Gas) | 200,000비티유 |
| 점화 유형 | 간헐적 파일럿 |
| Lockout Control | SP845 (90 sec spark, 6 min purge, 3 tries, 1 hr lockout) |
9. 보증 및 지원
Robertshaw products are manufactured to high-quality standards. For specific warranty information, please refer to the documentation included with your purchase or visit the official Robertshaw web대지.
For technical support, service, or replacement parts, please contact a qualified HVAC professional or Robertshaw customer service directly. When contacting support, please have your model number (712-017) and purchase date available.
로버트쇼 Web대지: www.robertshaw.com