White Rodgers 3046-5 Installation Instructions

Type 3046

WHITE-RODGERS

Operator: Save these instructions for future use!

FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY
BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE
PERSONAL INJURY AND/OR PROPERTY DAMAGE.

Automatic pilots are required on gas-fired heating equip­ment to prevent the flow of gas to the main burner if the
pilot flame is not burning or is insufficient to properly ignite
the main burner.

This pilot has automatic reset (automatic recycling) need­ing merely relighting or possibly only the resumption of
proper gas pressure to put back in operation.

If in doubt about whether your wiring is millivolt, line, or low
voltage, have it inspected by a qualified heating and air
conditioning contractor, electrician, or someone familiar
with basic electricity and wiring.

Do not exceed the specification ratings.
All wiring must conform to local and national electrical

codes and ordinances.
This control is a precision instrument, and should be

handled carefully. Rough handling or distorting compo­nents could cause the control to malfunction.

WARNING

!

Do not use on circuits exceeding specified volt­age. Higher voltage will damage control and could
cause shock or fire hazard.

Automatic Pilots

INSTALLATION INSTRUCTIONS

DESCRIPTION

These automatic pilots may be used with natural, manu­factured, or mixed gases, and with LP gases where
means are provided for obtaining a 100% shutoff system.
The pilot burner should be equipped with the recom­mended size orifice fitting.

The metal box containing the switch may be conveniently
mounted in any position. The cover is easily removed,
making the switch terminals readily accessible.

PRECAUTIONS

CAUTION

!

To prevent electrical shock and/or equipment
damage, disconnect electric power to system at
main fuse or circuit breaker box until installation
is complete.

Shut off main gas to heating system until installa­tion is complete.

Label all wires prior to disconnection when ser­vicing controls. Wiring errors can cause improper
and dangerous operation.

Following installation or replacement, follow ap­pliance manufacturer’s recommended installa­tion and/or service instructions to insure proper
operation.

These Pilots can be used with either A, B, or E series pilot

burners.

Pilot Burners are available in 14 port arrangements,

Bunsen and “Non-linting”, and with a wide choice of
mounting facilities.

Contact Action is SPST snap-action, close-on-rise.

ATTENTION!

This product contains mercury. There will not be any exposure to mercury under normal conditions of use. This product may
replace a unit which contains mercury. Do not open mercury cells. If a cell becomes damaged, do not touch any spilled
mercury. Wearing nonabsorbent gloves, take up the spilled mercury with sand or other absorbent material and place into a
container which can be sealed. If a cell becomes damaged, the unit should be discarded. Mercury must not be discarded in
household trash. When this unit or the unit it is replacing is to be discarded, place in a suitable container and return to us .

WHITE-RODGERS DIVISION

EMERSON ELECTRIC CO.
9797 REAVIS RD., ST. LOUIS, MO. 63123-5398
[phone], FAX [phone]

9999 HWY. 48, MARKHAM, ONT. L3P 3J3
[phone], FAX [phone]

Printed in U.S.A.

SPECIFICATIONS

Orifice fittings offer three different styles of connections

each available for the most used gases.

Timing: Contacts close approximately 60 seconds after

the pilot is ignited. Contacts open approximately 40
seconds after the flame is extinguished.

PART NO. 37-0613G

Replaces 37-0613F

9651

INSTALLATION

CAUTION

!

To avoid personal injury and/or property damage,
shut off gas and electric to heating system until
installation is complete.

Uncoil the capillary carefully, making certain that it is not
bent sharply at any place. Be particularly careful with that
part of the capillary connected to the diaphragm.

The thermal element of the automatic pilot may be at­tached to the pilot burner either before of after the pilot
burner is mounted to the main burner. To attach the
thermal element to the pilot burner: remove nut and
lockwasher, slip thermal element into bracket of pilot
burner so that screw on element extends through the hole
in bracket. Then fasten with nut and lockwasher.

The orifice fitting should then be screwed into the pilot
burner and the tubing connected to the orifice fitting.

The proper location of an automatic pilot, with respect to
the main burner, should be determined by the manufac­turer of the burner according to the requirements of the
American Gas Association and the local gas utility.

1. The operating temperatures, as taken by thermo­couples attached to the surface of the automatic pilot
and pilot burner at the points shown below, must not
exceed the following:

2. The automatic pilot must be mounted near enough to
the main gas burner so it is easily ignited by the pilot
ignition flame even when the pilot flame is reduced to
the point where it is just sufficient to keep the pilot
switch contacts closed.

3. Proper functioning of the automatic pilot requires that
the flame from the main gas burner not touch any part
of the automatic pilot.

4. The pilot burner must be positioned so as to receive
incoming secondary air and not the products of com­bustion.

5. Unless protected from strong drafts of secondary air,
which tend to carry the flame away from the bulb, the
automatic pilot may not be supplied with sufficient
heat for proper operation.

6. It is recommended that on installations burning manu­factured gas, an approved filter of sufficient capacity
be connected into the pilot gas line to prevent forma­tion of gum at the orifice.

Bleed Burners are available



for vertical or horizontal pilots.

1. Tip of pilot burner, 1200 ° F.

2. Tip of thermal element, 1400 ° F.

3. Orifice fitting, 475 ° F.

4. Capilllary 500 ° F.

5. Terminal screw on pilot, 175 ° F.

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4

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3

WIRING

CAUTION

!

To prevent electrical shock and/or equipment
damage, disconnect electric power to system at
main fuse or circuit breaker box until installation
is complete.

All wiring should be installed in accordance with
local and national electrical codes and ordinances.

1

7. Bleed tubes are available for attaching to the bracket
of the pilot burner. This tube is for burning the bleed
gas from the diaphragm gas valve and from the
pressure regulator and should be connected accord­ingly.

Horizontal

Vertical

NOTE

These typical wiring diagrams show only the terminal
identification and wiring hook up. Always refer to wiring
instructions provided by equipment manufacturer for sys­tem hookup operation.

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