Connecting The Refrigerant Piping For The Ts 12Xx Models - Tectro TS 1225 Manuel D'installation

valve is not opened fully, the system may malfunction and suffer damage. Screw the cover back on
to the bottom valve and tighten it well to ensure that it is properly sealed.
Important! The conical ring on the valve has an important sealing function together with the sealing seat in
the caps. Ensure that you do not damage the cone and that you keep the cap free of dirt and dust.
7. After completing steps 1- 6, check that all the connections are sealed correctly using leak detection
spray or soap suds. If any bubbles form, the system has a leak and the screw connectors must be
retightened using an open- ended spanner.
8. Start the equipment so that the operating pressures build up inside it. Check all the connectors again
for signs of leaks
a) during cooling mode
b) in heating mode.
If any bubbles form, the system has a leak and the screw connectors must be retightened using an
open-ended spanner.

Connecting the refrigerant piping for the TS 12xx models.

8.2
a. Provide the pipe ends with a flare with swivel or similar screw connection.
b. Inner part: Secure the swivel nut manually to the piping of the indoor unit and secure the swivel nut
with an open-end wrench and a torque wrench as shown in Fig. 13.
c. Outer part: Secure the swivel nut manually to the fittings on the valves of the outdoor unit and
secure the swivel nut with an open-end wrench and a torque wrench as shown in Fig. 13.
Piping from
indoor unit
d. Apply the correct torques (see table 1) to prevent damaging the piping, fittings and nuts.
Swivel nut
Piping
Picture 13
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