1 60-2035—9
RA890G
Protectorelay™ Primary Control
The RA890G Protectorelay™ control provides
solid state electronic safeguard protection for in-
dustrial and commercial gas, oil, or combination
gas-oil burners.
■ Designed for interrupted ignition with intermittent
pilot for gas burners, and for interrupted or inter-
mittent ignition on oil burners.
■ Used only with a C7027, C7035, or C7044 Mini-
peeper Ultraviolet Flame Detector.
■ Either a line voltage or low voltage controller can
be used.
■ Solid state circuitry eliminates warmup and in-
creases resistance to vibration.
■ Push-to-reset safety switch button is in dust-resis-
tant enclosure.
■ Safe start check prevents start if flame or flame
simulating failure is present.
■ Automatic safety switch lockout if flame fails on
start or if flame is not re-established after a flame
failure.
■ When limit control opens, control de-energizes
ignition and fuel valves, but safety switch lockout
will not occur.
■ Test jack permits readings of flame signal.
■ Easy mounting and removal through use of captive
mounting screws. Durable thermosplastic mount-
ing base.
■ -40°F (-40°C) approved model available.
CONTENTS
Specifications ................................................. 2
Ordering Information ..................................... 2
Installation ..................................................... 3
Operation And Checkout ................................ 5
Service ............................................................ 8
Troubleshooting ............................................. 9
S.Y. • Rev. 1-95 • ©Honeywell Inc. 1995
60-2035-9
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