Water Connections - Trane AquaStream CGWN 205 Installation Operation & Maintenance

18
Installation

Water connections

Before making any connections,
make sure the labeling for entering
and leaving water corresponds to the
submittals. CGWN water-cooled
chillers and CCUN condenserless
units are available in several
versions:
1) Evaporator side options
• No hydraulic control
• With pump contactors to control a
remote pump (single or dual)
• With pump integrated hydraulic
module, single or dual pump, low
or high pressure head
Figure 3 - CGWN hydraulic flow chart - without hydraulic module (205-211)
2
1
2
5
1. Insulated evaporator
2. Valve for air vent
3. ¼ SAE Male pressure tab
4. ¼ SAE Male drain tab
5. Condenser
2) Condenser side options
• No hydraulic control
• With pump contactors to control a
remote pump (single or dual)
• With pump integrated hydraulic
module, consisting of two single
pumps in parallel to adjust
condenser waterflow as a function
of unit capacity, low or high
pressure head
Typical water circuits are given in the
following figures.
3
3
3
4
3
4
CW: Chilled water loop
HW: Condensation water loop
TT: Temperature sensor
FT: Water flow switch
•
For sizes 205 to 207 standard
head 3"
•
For sizes 208 to 215
CG-SVX06D-E4