Varifan DIP-1/115 User Manual

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INSTALLATION/

USER’S GUIDE

DIP-1/115

DIP-1/115

ADJUST

+

Compatible

ECS M series

DIGITAL INLET POSITIONER

WITH POTENTIOMETER FEEDBACK

Varifan

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23.3

www.monitrol.com

Table of Contents

Questions and Answers:

G
George CookAug 12, 2025
What to do if my Varifan DIP-1/115 Control Systems display is blank?
- F
  Frank BuckleyAug 12, 2025
  If the display is blank, verify that the DIP-1 is connected to a power source. Also, check that the 10-pin flat cable between the main board and the faceplate board is properly connected.
H
Hector HollandAug 19, 2025
What to do if Varifan Control Systems displays “ER3”?
- B
  Barbara LawrenceAug 19, 2025
  If the Varifan Control Systems displays 'ER3', it may indicate a faulty connection between the DIP-1/115 and the actuator. If the actuator runs in reverse, switch terminals 1 and 2 on the DIP-1/115. If the DIP-1/115 displays the opposite value (wide opened air inlet), change polarity on the actuator. If the value is always between 250-255 and the actuator is moving, the DIP-1/115 reads an open circuit, check the wiring and the jumpers. In case the air inlet is open when it should be closed, inverse the wires from the DIP-1/115’s terminal block 1 and 2.

Varifan DIP-1/115 Specifications

General

Input Voltage	115 VAC
Category	Control Systems
Frequency	50/60 Hz
Power Consumption	2.5 Watts
Output	Relay
Weight	0.2kg

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