Advertisement
Quick Links
Hoffman Specialty
Series 1140 and 1141
Temperature Regulators
®
� - ! ! ,ff /·,
·
�
-
J"
I;
0, .
IMPORTANT:
adaptability for your application, please call the factory or
an authorized representative before installing or using the
product.
IMPORTANT:
Regulators in applications where ambient temperature
exceeds the regulator's set control temperature.
INSTRUCTION MANUAL
A
CAUTION
• FOLLOW
ALL
INSTALLATION AND
� -
OPERATING
1NsTRucT10Ns.
?A,
·i• • ·
•TURN OFF WATER OR STEAM
.
BEFORE SERVICING.
• WEAR HEAT-RESISTANT GLOVES
BEFORE MAKING ADJUSTMENTS.
• OPEN SUPPLY VALVES SLOWLY TO
PREVENT WATER HAMMER OR
SUDDEN SHOCK.
• HANDLE REGULATOR WITH
EXTREME CAUTION. DO NOT LIFT
REGULATOR BY ANY EXTERNAL
TUB ING. DO NOT KINK OR TWIST
TUBING AND AVOID BENDING IT ON A
RADIUS LESS THAN 4" (100 mm).
• THE SENSING BULB MUST NOT BE
EXPOSED TO TEMPERATURES THAT
EXCEED THE RANGE LISTED ON THE
NAME PLATE.
• ALARMS OR CUT-OFFS SHOULD BE
INSTALLED ON CRITICAL
APPLICATIONS TO INDICATE
REGULATOR FAILURE. A LEAK
COULD CAUSE THE ACTUATOR TO
LOSE ITS CHARGE AND CAUSE THE
SYSTEM TO OVERHEAT.
•
THIS PRODUCT CAN EXPOSE YOU
TO CHEMICALS INCLUDING LEAD,
WHICH IS KNOWN TO THE STATE OF
CALIFORNIA TO CAUSE CANCER
AND BIRTH DEFECTS OR OTHER
REPRODUCTIVE HARM. FOR MOR
INFORMATION GO TO:
WWW.P65WARNINGS.CA.GOV.
• FAILURE TO FOLLOW THIS CAUTION
MAY RESULT IN PROPERTY DAMAGE
OR PERSONAL INJURY.
If you are uncertain as to the product's
Do not install Series 1141 Temperature
HS-504I
517031
Advertisement
Related Manuals for Xylem Bell & Gossett Hoffman Specialty 1140 Series
Summary of Contents for Xylem Bell & Gossett Hoffman Specialty 1140 Series
- Page 1 INSTRUCTION MANUAL HS-504I 517031 ® Hoffman Specialty CAUTION Series 1140 and 1141 • FOLLOW INSTALLATION AND � - ! ! ,ff /·, · � - OPERATING 1NsTRucT10Ns. � J" ·i• • · Temperature Regulators 0, . •TURN OFF WATER OR STEAM BEFORE SERVICING.
- Page 2 OPER TING PRINCIPLE This Series 1140 regulator automatically controls the Valves used to control heating cycles are direct acting, flow of steam, water or other medium passing through i.e., they shut off on increase of temperature. its valve by responding to temperature changes at the bulb.
- Page 3 BULB INST LL TION IMPORTANT: Installing the bulb in the correct location and position is extremely important. Figure No. 5 - Bulb Installation Positions The bulb should be installed at a point of actual system temperature and it must be fully inserted in the fluid being controlled.
-
Page 4: All Installations
THERMOST TIC BULB INST LL TION Figure No. 7 - Three-Way Valve FOR THREE-WAY VALVES 1. Install the bulb as close as possible to the outlet of the mixed water line. See Figure No. 7. 2. Immerse bulb as far as possible into the pipeline. COLD ALL INSTALLATIONS The capillary tubing is the flexible tubing that connects... - Page 5 CHANGING VALVE DISC MOVEMENT TEMPER TURE DJUSTMENT Under some conditions, it may be necessary to adjust the This regulator can be set to control at any temperature amount of valve movement. This may occur on oil heater within the limits of the temperature range stamped on installations, where only a very small quantity of steam is the name plate.
- Page 6 CH NGING THERMOST TIC CAUTION CTU TOR ON TWO-W Y V LVES REGULATORS OPERATING LOWER THAN 120˚ - 160˚ The Thermostatic Actuator used on the Series 1140 reg- (49˚ - 71˚C) OR IN ROOMS ABOVE 100˚F (38˚C), THE BELLOWS MUST BE COOLED UNTIL IT CAN BE ulators is shown in Figure No.
- Page 7 CH NGING THERMOST TIC CTU TOR ON THREE-W Y V LVES 6. Remove the bellows housing nuts and screws CAUTION and lift unit off bracket. 7. Turn temperature adjustment wheel up sufficiently to ALL SUPPLY VALVES MUST BE TURNED OFF, SYSTEM PRESSURE put enough tension on the spring to hold the cold port MUST BE REDUCED TO 0 psi (0 bar), shut.
- Page 8 THREE W Y MIXING V LVES TO CHECK THE OPERATION OF A THREE-WAY VALVE USED AS A MIXING VALVE PROCEED AS FOLLOWS: IMPORTANT: When installing a three-way mixing Check the packing gland to see if it is only hand tight. If valve, it is necessary that return circulation be piped to this gland is too tight, it will bind the valve stem.
- Page 9 ST RT UP PROCEDURE 1. Make sure inlet gate valve is closed. 6. Allow system to stabilize. 2. Open outlet gate valve and all equipment drain 7. Open inlet valve more. valves. Allow system to drain completely. 8. Allow system to stabilize. 3.
- Page 10 Problem: Problem: 2. System Temperature High 3. System Temperature Erratic a. Cause: Bypass gate valve is open. a. Cause: Thermostatic bulb installed upside down. Solution: Close the valve. Solution: The bulb mounting flange has the word top stamped in the O.D. This b.
- Page 12 Xylem Inc. 8200 N. Austin Avenue Morton Grove, Illinois 60053 Phone: (847) 966-3700 Fax: (847) 965-8379 www.xylem.com/bellgossett Bell & Gossett is a trademark of Xylem Inc. or one of its subsidiaries. © 2019 Xylem Inc. HS-504I May 2019 Part No. 517031...