Bell & Gossett HS 504F Series 1141 Temperature Regulators - Manual

INSTRUCTION MANUAL
HS-504
REVISION F
Hoffman Specialty ®
Series 1140 and 1141
Temperature Regulators
CAUTION
• FOLLOW ALL INSTALLATION AND
OPERATING INSTRUCTIONS.
• 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
TUBING. 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.
• FAILURE TO FOLLOW THIS CAUTION
MAY RESULT IN PROPERTY DAMAGE
OR PERSONAL INJURY.
IMPORTANT: If you are uncertain as to the product’s
adaptability for your application, please call the factory or
an authorized representative before installing or using the
product.
IMPORTANT: Do not install Series 1141 Temperature
Regulators in applications where ambient temperature
exceeds the regulator's set control temperature.
!