White Rodgers 11B05-101 Well Immersion Hydronic Control Installation Instructions
WHITE-RODGERS DIVISION
EMERSON ELECTRIC CO.
9797 REAVIS RD., ST. LOUIS, MO. 63123
(314) 577-1300,
FAX (314) 577-1517
9999 HWY. 48, MARKHAM, ONT. L3P 3J3
(905) 475-4653, FAX (905) 475-4625
Printed in U.S.A.
PART NO. 37-2070B
Replaces 37-2070 & 37-9197
9546
Label all wires prior to disconnection when ser-
vicing controls. Wiring errors can cause im-
proper and dangerous operation.
Following installation or replacement, follow
appliance manufacturer’s recommended instal-
lation and/or service instructions to insure proper
operation.
THESE CONTROLS MUST BE INSTALLED BY A
QUALIFIED INSTALLER.
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 compo-
nents could cause the control to malfunction.
This control has been accurately calibrated at the factory.
Any attempt to calibrate this control will void the White-
Rodgers warranty.
CAUTION
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE
INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL
INJURY AND/OR PROPERTY DAMAGE.
These controls have close-on-rise switch action and are
designed for use on hot water heating installations. They
prevent operation of the circulator or unit heater fan if the
boiler water is not hot enough for proper heating.
Models are available with either horizontal or vertical well.
Some of these models also have excess capillary stored
within the enclosure, permitting them to be used with wells
having either a standard or extended shank.
Another model, ideal for replacement purposes, has a
slotted case and excess capillary stored within the enclo-
sure. This control can be used with either a standard or
extended shank well, on either horizontal or vertical well
installations.
PRECAUTIONS
DESCRIPTION
Convertible controls have a Knockout Plate on back of
case (secured by Hex Nut on Horizontal models, and by
Knockout Plug on Vertical models). To convert from
Horizontal to Vertical:
1. Remove control cover. Then remove bottom knockout.
2. Remove Hex Nut (inside control) from Well Mounting
Stem. (To loosen, hold Hex Nut inside while turning
Hex Nut on back of control counterclockwise.)
3. Pull Well Mounting Stem away from case and remove
Knockout Plate.
4. Swing capillary down through slot into bottom knock-
out.
5. Secure Knockout Plate to back of case by using
Knockout Plug provided in envelope.
6. Insert Well Mounting Stem into bottom knockout and
tighten Hex Nut (inside control) securely.
CONVERTIBLE CONTROLS
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 instal-
lation is complete.
CAUTION
Do not use on circuits exceeding specified
voltages. Higher voltages will damage control
and could cause shock or fire hazard.
WARNING
11B05
HOT WATER CONTROL
Reverse Acting – Well-Immersion
Adjustable Differential
INSTALLATION INSTRUCTIONS
WHITE-RODGERS
Operator: Save these instructions for future use!
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