Product Overview
5
T6031E-H,J,K THERMOSTATS
63-2118—3
Fig. 6. Strap-on mounting of T6031 bulb on a boiler
discharge pipe.
Mounting Controller
Models With Case
1. Loosen the captive mounting screw above the dial on the
face of the thermostat and remove cover (On models
with adjustment knob, remove knob first by loosening the
setscrew.)
2. Fasten case to wall or panel through mounting holes in the
back of case with furnished screws. (See Fig.1 and 2.)
3. Run tubing through the most convenient of the four
corner notches in case. Do not bend tubing so sharply
that flow is restricted. Leave excess tubing coiled near
the thermostat.
4. Make wiring connections according to instructions in the
WIRING section.
5. Replace cover, careful not to not pinch tubing. Tighten
cover mounting screw.
Models Without Case
Front or back mounting brackets are available. See Fig. 3 and 4
for mounting information and dimensions.
CAPILLARY
TUBE
T6140 BULB
DUCT HANGER WIRE OR
METAL HOSE CLAMPS
PIPE
BULB STRAPPED TO PIPE
DO NOT OVERTIGHTEN CLAMPS TO AVOID SENSOR
BULB DISTORTION. OVERTIGHTENING CLAMPS
MAY CAUSE A SIGNIFICANT SHIFT IN CALIBRATION.
CAUTION
PIPE
CAPILLARY
TUBE
FOAM RUBBER WRAP
(EXTENDS 6 in. (152 mm)
BEYOND ENDS OF SENSOR)
DUCT TAPE
FOAM TAPED OVER STRAPPED BULB (OPTIONAL)
M8835
APPROX. 3 FT
(0.9 M)
WIRING
Disconnect power supply before connecting wiring to prevent
electrical shock and equipment damage. All wiring must comply
with local codes and ordinances.
When wiring, refer to wiring diagrams furnished with system
equipment and to Fig. 7 through 11.
SET POINT
FOR T6031H
SET POINT
SWITCH
DIFFERENTIAL
TEMPERATURE
RISE
R AND W LOCATIONS
DEPEND ON MODEL
AND CONSTRUCTION
W
B
R
BREAKS R-B;
MAKES R-W
ON RISE
MAKES R-B;
BREAKS R-W
ON FALL
M9089
Fig. 7. T6031 switch terminal arrangement and switching.
L1
(HOT)
L2
1
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
W
W
W
B
B
B
R
R
R
W
B
R
T
T
T6031E,F UNIT
THERMOSTAT
T678C CHANGEOVER
THERMOSTAT-ELEMENT
ON SUPPLY WATER PIPE
V2045/V5045
RADIATOR
VALVE
M7538
Fig. 8. Typical hookup for T6031E,F with T678C
changeover thermostat controlling V2045/V5045 Valve on
both heating and cooling cycles.