Product Overview

Thermal Actuator

for radiant heating and cooling systems instruction sheet

The Uponor Thermal Actuator, four-wire (A3023522) features a low, 1-watt power consumption and includes three adapter

rings for compatibility with the following manifolds.

Thermal Actuator with adapter ring

Actuator mounting

Install the actuator verticallly or horizontally as shown above.

Note: The actuator is shipped locked partially open. To unlock, apply power for a minimum

of 6 minutes. Failure to do so will allow ow through the loops.

Actuator mounting

Vertical Vertical (inverted) Horizontal

Actuator mounting

Vertical Vertical (inverted) Horizontal

Actuator mounting

Vertical Vertical (inverted) Horizontal

Actuator installation

1. Thread the adapter ring

onto the valve.

Vertical Vertical (inverted) Horizontal

2. Place the actuator vertically

on the adapter ring.

3. Press down vertically and snap

the actuator onto the adapter ring.

A2671300 (EP Heating

Manifold Adapter Ring)

A2771060 (Stainless-steel

Manifold Adapter Ring)

A2870100 (TruFLOW

Manifold Adapter Ring)

Adapter rings

• Engineered Polymer (EP)

Heating Manifold

• Stainless-steel Manifold

• TruFLOW™ Jr. Manifold

• TruFLOW Classic Manifold

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Thermal Actuator with adapter ring Thermal Actuator for radiant heating and cooling systems instruction sheet The Uponor Thermal Actuator, four-wire (A3023522) features a low, 1-watt power consumption and includes three adapter rings for compatibility with the following manifolds. • Engineered Polymer (EP) Heating Manifold Adapter rings • Stainless-steel Manifold • TruFLOW™ Jr.
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Actuator wiring instructions to Uponor Zone Control Module (A3031003 or A3031004) 2 3 4 R 2 3 4 R C ES } ES ES ES R1 R2 Y1 Y2 System end switch (pump relay, boiler, etc.) Yellow Yellow Red Red R1 R2 Y1 Y2 Yellow Yellow R1 R2 Y1 Y2 Red } Alternative wiring (pump relay, boiler, etc.) 2 3 4 C Red 50 VA Transformer (A3050050) Note: Two-wire application will not work with Uponor Zone Control Module A3030003 or A3030004.