059305–00 REV. E
HEAT-TIMER CORP.
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35
04 INSTALLATION INSTRUCTIONS
CALIBRATING THE ACTUATOR
1 Close the isolation valve on the supply piping to the ETV valve HOT port.
2 Ensure the Actuator Manual Tab is in the Normal Operation position (UP).
3 Ensure DIP switch 7 is in the ON/MAN position
4 Change DIP switch 7 to the OFF (AUTO) position then back to the ON
(MAN) position.
The green and red LEDs start blinking, indicating calibration has started.
The Actuator moves the valve stem up and down. Calibration is complete
when the green LED is steady-on or blinking.
5 Replace the Actuator cover and secure with mounting screw.
6 Open the isolation valve on the supply piping to the ETV valve HOT port.
NOTE
Each time the Actuator is assembled to the valve, the Actuator must
be calibrated.
OFF
HOT BHOT A
SEQ
5–10, 6–100–5, 2–6
INCMOD
2–100–10
4–20mA
MANAUTO
ON
1 2 3 4 5 6 7
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