INSTALLATION DATA
VC4510
low temperature CoNtrol KIt
Description
The Robertshaw® Low Temperature Model BJFMA without switch and
BJFMAZ with pressure switch for “Oven On” and “Oven Ready” panel
light applicaons. Control has outlet ngs for 1/4” pipe, 3/8” and
7/16” tubing. Pilot outlet extension ng is 3/16” tubing. Stem length
adaptor, chrome bezel, ange nipple “O” ring gasket and 4-way dial are
included in the kit.
cAUtion
THIS DEVICE SHOULD BE INSTALLED BY A QUALIFIED SERVICE
TECHNICIAN WITH DUE REGARD FOR SAFETY AS IMPROPER
INSTALLATION COULD RESULT IN A HAZARDOUS CONDITION.
rotAtion oF reAr HoUsinG
If rear housing on the replacement control is in the desired posion,
proceed to controL MoUntinG secon.
To rotate housing posion, proceed as follows:
1. Gas cock must be turned to the “OFF’” posion.
2. Remove four hex head bolts on rear of control and comptetely
separate housings. Do not turn valve or valve stem while control
is disassembled.
3. Using a small screwdriver, push in the calibraon screw in the
center of the gas cock plug. Turn this screw 1/4 turn in either
direcon. This will allow the sloed end of the gas cock to engage
the valve stem cross pins when the control is ressembled.
NOTE: If the above procedure is followed carefully, calibraon will not
be aected when the rear housing is reassembled.
4. Reassemble rear housing with outlet down. Be certain cross pin on
end of valve stem engages slot in inner end of gas cock.
Do not Force toGetHer. When properly aligned, rear housing
will move into posion easily.
5. Replace and ghten the four hex head bolts.
controL MoUntinG
NOTE: DIASTAT IS LIQUID FILLED AND SHARP BENDS ARE TO BE
AVOIDED. Recommended method to uncoil diastat is to insert a round
screwdriver sha through the center of the diastat coil and push away
from the control body.
1. Assemble outlet ngs required into control.
2. Mount control using new manifold gasket and mounng bolts.
3. Aach pilot line.
4. Connect outlet line.
5. Turn on gas supply and leak test all connecons.
DiAL steM AsseMBLY
lnsert “D” stem dial sleeve into front of control and snap in place.
When addional stem length is required, use stem length adaptor as
follows:
1. Place adaptor on “D” stem dial sleeve and place dial on adaptor.
2. To determine correct adaptor length, measure distance from back
edge of dial to panel front or bezel. Cut this amount o small end
of adaptor.
3. If ghter dial t is desired, spread end of “D” stem sleeve and stem
length adaptor slightly.
BeZeL instALLAtion
Bezel and sleeve are installed by closing center sleeve over dial guide
on the front of the control.
If standard sleeve is too short, remove from bezel. Use pliers to apply
light pressure and squeeze the adaptor slightly to disengage locking
tabs. Install correct length sleeve in bezel.
Bezel index posion can be changed to match manifold mounng
posion of control. Snap sleeve out of bezel as described above.
sWitcH terMinAL connections
“Oven on” terminals are located on the inner side of the switch next to
the control body. “Oven ready” terminals are located on the outer side
of the switch. Terminal connecons required for replacing each specic
model control are shown in the following chart.
oLD MoDeL Use terMinALs
BJFMX OVEN READY
BJFMZ ALL
BJFMAX OVEN READY
BJFMAY OVEN ON
BJFMAZ ALL
operAtinG instrUctions
HeAter piLot ADJUstMent
1. Be sure constant burning pilot is ignited.
2. Turn heater pilot adjusng key counterclockwise to full open.
3. Turn dial to the DOT posion (between “OFF” and “140°”), then
turn heater pilot adjusng key clockwise unl ame extends about
1/2” beyond bulb on type #50 pilot or 1/4” beyond bulb on
type #52 pilot.
BY-PASS ADJ.
HEATER PILOT
ADJ.
DIAL
SLEEVE
BEZEL
DIAL
ADAPTOR
OUTLET
FITTING
V4510-001
(BJFMA)
SWITCH LEFT
OUTLET RIGHT
SWITCH RIGHT
OUTLET LEFT
STEM LENGTH