13
Unit Installation
locations of all fittings on the water supply pipeline.
ķ
: Pressure gauge
ĸ
: Shockproof hose
Ĺ
: Thermometer
ĺ
: exhaust valve
Ļ
: Tree-way valve
ļ
: Shutoff valve
Ľ
: Filter
ľ
: Drain valve
Ŀ
: Balance valve
1
Water outlet
(3)
Unit
Unit
(4)
(1)
2
3
3
1
2
4
5
7
6
6
(2)
6
6
5
8
9
Water inlet
Figure 1. Installation Drawing for Typical Pipeline Fittings
The description of
Figure 1
is as follows:
Pressure gauge: displaying the water inlet and outlet pressure.
Thermometer: displaying the water inlet and outlet temperature.
Balance valve: controlling the water flow.
Shutoff valve: used for disconnecting the host unit and the water pump when maintaining. The
shutoff valves are required to be installed on the water inlet and outlet pipes.
Filter: preventing the evaporator from being contaminated and blocked.
Drain valve: draining the residual water in the pipeline when the machine is shut down.
Tree-way valve: used when the evaporator is cleaned.
Cautions
•
All units must be equipped with the filters which can filter the particles with the diameter larger
than 1 mm to ensure that the impurities cannot enter the evaporator.
•
Never use the untreated or improperly treated system water for fear of damaging the unit.
Otherwise, TRANE will not be responsible for the unit damage therefrom.
•
After the installation of water pipeline is completed, please firstly close the shutoff valves 2 and 3,
open the shutoff valves 1 and 4, the open the water pump, and flush the debris in the water pipe
residual in the water pipe with water onto the filter; then close the shutoff valves 1 and 4, remove
the filter and cleanup the dirt on the filter, and reinstall the filter. Repeat the above operation till
there is no dirt on the filter. Therefore, the evaporator can be prevented from being blocked.
•
The chiller water pipe must be insulted to prevent condensation. If the pipeline may be exposed
below 0
℃
, the pipeline must be equipped with the heating resistor.
•
When the ambient temperature is below 16
℃
in winter, do not cut off the power supply, and
preheat the unit 24 hours ahead of start-up, otherwise the compressor will be damaged.
