Honeywell RA890F Flame Safeguard Primary Control agent

Product Details

Product Description

Product Description
INSTALLATION INSTRUCTIONS
• Push-to-reset safety switch in dust-resistant enclosure.
• Built-in protection against ignition crossover in flame rod systems.
• Does not start if flame-simulating failure occurs in flame detector circuit.
• Automatic safety shutdown if flame fails on start, or if flame not re-established after flame failure.
• Flame signal current is directly measurable at test jack.
• Line or 24 volt, automatic or manual controller can be used. (Manual controller must open circuit on either power or flame failure.)
• Captive mounting screws allow easy mounting and removal. Thermoplastic mounting base.
• Optional alarm circuit indicates safety shutdown.
APPLICATION
The RA890F Protectorelay™ Primary Control is a nonprogramming, amplifying relay that provides solid state electronic flame safeguard protection for industrial and commercial gas, oil, or combination gas-oil burners.
FEATURES
• Employs rectification principle of electronic flame detection using a flame rod, rectifying photocell, or C7012A,C Ultraviolet Flame Detector.
• Clipping pilot link jumper wire permits use with standing pilots.
• Can directly replace RA890E and mount on same Q270A Subbase.
• Solid state circuitry eliminates vacuum tube replacement and increases resistance to vibration. Power application not required during Off cycle; no tube to warm up before starting.

---

>> Hot Recommend Small Plough Machine China Factory Direct Sell Cultivator Self Propelled
>> Galvanized Chicken Breeding Farm Machinery Battery Pullet Cage with Automatic Feeding
>> cotton wool balls 100% cotton wool ball disposable 0.5gm medical cotton wool balls
>> Brand New Replacement Parts GLC Class W253 Exhaust Tips Bracket Set
>> Silk Ties for Men Solid Celebrity Slim Neck Skinny Tie
>> China manufacturer Guide ring DTYD100TY006 for power generation
>> 8L Outdoor Camping Fishing Ice Box Custom Logo Portable Plastic Cooler Box for Beer Cans
>> For Chevrolet Captiva Engine Bearing 96626771 96626769
>> Magnetic whiteboard sheet/ memo board/ writing board
>> 13m Full Motion Fixed Satcom Antenna
>> Jar Opener, 5 in 1 Multi Function Can Opener Bottle Opener Kit with Silicone Handle
>> Ywt 300t 4000 CNC Steel Bending Machine
>> Double sides round felt seat cushion /seat mat/seat pads
>> Sanki Portable Fuel Station 20FT 40FT Used Container Fuel Tank Mobile Fuel Station
>> Competitive Price Dried Soya Bean Curd Stick Fuzhu Tofu
>> Vintage Planet Map PVC Sticker Aesthetic Chidlren′s Korean Stationery DIY Decoration Scrapbooking School Supplies
>> Acrylic+TPU Magsafe Clear Case for iPhone16e iPhone 12 13 14 15 16 PRO Max
>> Gi Square Pipe 25X25 Pre Galvanized Hollow Section 30X30X1.5 Tubes
>> Hot Sale Floral Printed Scarf Trendy Chiffon Shawl
>> China Manufacturer Oeko-Tex 100% Polyester Weft Yarn for Woven Label 30d-300d