White Rodgers 2B61, 2B62 User Manual
CAUTION
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.
Type 2B61 and 2B62 Remote Bulb Thermostats are designed
for use on a wide variety of heating equipment and appliances,
and are especially suitable for electric heating. Extremely compact in size, these snap-action thermostats are suitable for use
on both inductive and non-inductive loads.
When the temperature of the liquid or air surrounding the bulb
rises, the switch contacts open to turn off the heat. When the
temperature drops the contacts close to turn on the heat.
TYPE 2B61 & 2B62
SNAP ACTION
REMOTE BULB THERMOSTAT
INST ALLA TION INSTRUCTIONS
DESCRIPTION
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.
Switch Action: Open on rise, snap-action
Contact Structure:
Type 2B61: – Single Pole
Type 2B62: – Double Pole
Maximum Ambient:
Temperature Switch: 150°F (66°C)
NOTE
These controls have been accurately calibrated at the factory.
Any attempt to calibrate these controls voids the White-Rodgers
warranty.
The switch mechanism of this control may be mounted in any
location, provided that the temperature and humidity of the air in
which it is located do not cause a condensation on the switch
parts.
If the equipment manufacturer has made provisions for location
of the switch and control bulb, follow his instructions. If none are
provided, the following general rules should be observed:
PRECAUTIONS
To prevent electrical shock and/or equipment damage,
disconnect electric power to system at main fuse or
circuit breaker box, until installation is complete.
SPECIFICATIONS
Electrical Rating
INDUCTIVE RATING
NON-INDUCTIVE
TYPE RATING FULL LOAD LOCKED ROTOR
NUMBER
120V 240V 120V 240V 120V 240V
2B61 25A 25A 10A 6A 60A 36A
2B61 – 25A 10A 6A 60A 36A
INSTALLATION
1. The control bulb should be located in an area of average
temperature of the medium being controlled.
When used to sense air temperature (as in an electric
heater) the bulb should be located so that the return air to the
heater flows freely over the bulb. The bulb should be fastened away from the cabinet of the heater so that it senses
air temperature, and not cabinet temperature.
When used to control a liquid bath, be sure that the bulb is
fully immersed in the liquid. Also be sure that the bulb is
located where it can sense average temperature of the liquid.
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. 37-5539A
Replaces 37-9245
9523
INSTALLATION (CONT.)
In this regard, do not locate the bulb too close to the heating
element.
2. Care should be taken not to damage the capillary tubing
between the switch and bulb of the control. Do not kink the
capillary.
3. Do not dent or bend the control bulb as this will change the
SETTING
In most cases the equipment manufacturer has provided a dial
to indicate the setting of the control. For a warmer setting, turn
WIRING
All wiring should be done in accordance with local and national electrical codes and ordinances.
Follow any instructions provided by the equipment manufacturer.
The diagrams shown here represent typical wiring for these
controls.
control calibration and cause the control to cycle at a temperature lower than the dial setting.
4. The switch of the control may be mounted in any convenient
location provided that the ambient temperature surrounding
the switch does not exceed 150°F (66°C).
knob or shaft clockwise. For a cooler setting, turn knob or shaft
counterclockwise.
TYPE 2B62TYPE 2B61
L1
LINE
L2
MAKE L1 “HOT”
ON 120V MODELS
LOAD
BLACK (LINE)
L1
240V
L2
BLUE (LOAD)
2
Loading...