Danfoss TR6 Thermostatic Expansion Valve Type Installation Guide
- June 1, 2024
- Danfoss
Table of Contents
Danfoss TR6 Thermostatic Expansion Valve Type
Product Information
Specifications:
- Product Name: Thermostatic Expansion Valve Type TR6
- Refrigerants: R22/R407C, R410A, R32, and R454B
- Max. Working Pressure: 49 bar / 711 psig
- Flow Direction: A to B (Normal), B to A (Reverse)
- Qnom. A to B [kW / TR]: 100%
- Qnom. B to A [kW / TR]: 80%
- Adjustable Setting: Min. 5% Ag
- Connection Size: 19 mm / 3/4 in.
- Torque: 10 Nm / 7 ft-lb
Product Usage Instructions
Fixed Setting:
For normal flow direction (A to B), ensure that the valve is set to position
A. For reverse flow direction (B to A), adjust the valve to position B.
Adjustable Setting:
To adjust the valve, turn the specified number of turns from the factory
setting based on the refrigerant being used. Refer to the table for the number
of turns required for each refrigerant type.
Installation:
- Ensure proper flow direction as per application requirements.
- Connect the valve using the specified connection size.
- Apply the recommended torque for tightening the valve.
Factory Settings:
The factory settings for different refrigerants are as follows:
- R22/R407C MAH SS = 4 K or customer specification
- R410A MAH & LAH SS = 3 K or customer specification
- R32 LAH SS = 3K or customer specification
- R454B LAH SS = 3K or customer specification
Installation
Thermostatic expansion valve
Type TR6
Factory setting
-
R22/R407C MAH
SS = 4 K or according to customer specification -
R410A MAH & LAH
SS = 3 K or according to customer specification -
R32 LAH
SS: 3K or according to customer specification -
R454B LAH
SS: 3K or according to customer specification
Danfoss A/S
Climate Solutions • danfoss.com • +45 7488 2222
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Frequently Asked Questions (FAQ)
Q: What is the maximum working pressure of the valve?
A: The maximum working pressure is 49 bar / 711 psig.
Q: How do I know which setting to use for a specific refrigerant?
A: Refer to the factory settings provided in the manual or consult with a
professional for guidance based on the refrigerant type.