Sample And Exhaust Lines; Tubing Material; Routing And Placement - Trane TruSense RMWH Installation, Operation And Maintenance Manual

Installation
Figure 7. Mounting location
Chillers Sampling Points
Figure 8. Front of device
Figure 9. Rear of device
12
Refrigerant
TruSense
Storage
Refrigerant Monitor
Entry Way Signalling

Sample and Exhaust Lines

Tubing Material

The device can use hard and soft tubing. The following are
acceptable tubing types:
Imperial (I-P) Units
1/4-in. OD x 1/8-in. inside diameter (ID) Polyurethane tubing (ether-
based)
1/4-in. OD x 3/161/4-in. ID Polyurethane tubing (ether-based)
1/4-in. OD Copper tubing
1/4-in. OD Stainless steel tubing
International System (SI) Units
6-mm OD x 4-mm ID Polyurethane tubing (ether-based)
6-mm OD Copper tubing
6-mm OD Stainless steel tubing
Note: Use the appropriate tools to give a clean, smooth
end to the tubing when it is cut.

Routing and Placement

Trane recommends the use of at least two gas-monitoring
points per chiller for sufficient detection monitoring. Due
to installation and application variations, each system
must be analyzed individually.
Do a smoke test of the mechanical room to determine the
flow pattern and allow for optimal placement of the
sample lines. For a list of approved parts and how to order
them, refer to "Ordering Information," p.
Keep the total line length of a point, including the sample
line and exhaust line, at less than 1200 ft (366 m). Keep
lines as short as possible to minimize the transport time of
the device.
Table 4. Transport time
Line Length (ft) 4 pts
0 19 s
50 19 s
100 19 s
150 19 s
200 19 s
250 19 s
300 1 m 35 s
350 1 m 35 s
400 2 m 51 s
450 2 m 51 s
500 2 m 51 s
Note: Transport time is similar for all tubing
configurations.
52.
8 pts 16 pts
19 s 19 s
19 s 19 s
19 s 19 s
19 s 19 s
19 s 19 s
19 s 19 s
2 m 51 s 5 m 23 s
2 m 51 s 5 m 23 s
5 m 23 s 10 m 27 s
5 m 23 s 10 m 27 s
5 m 23 s 10 m 27 s
RMWH-SVX001C-EN