HRX-OM-I051
Chapter 4 System Startup and Shutdown
HRZ Series
4.5 System Startup and Shutdown
4-5
4.4.2
Circulating fluid temperature setting
From the “Setting screen” on the LCD screen, set the circulating fluid at any
temperature. See section 5.4 “Examples of System Operation” in “Chapter 5
System Operation” on page 5-11 for operating procedure.
[Tips]
See section 8.1.1
“System specification” in “Chapter 8 Appendix” on page 8-1
for the setting range of circulating fluid temperature.
4.5 System Startup and Shutdown
4.5.1
System startup
Press the [START/STOP] key on the operation display panel.
The [RUN] lamp on the operation display panel comes on, and the “System Information screen” is flashing.
The screen
then change to the “Status screen 1”, which initiates system operation.
[Tips]
It is normal
if the “System Information screen” is not displayed. See section
“5.3.13 “System Information screen” in “Chapter 5 System Operation” on
page 5-10 for details.
4.5.2
System shutdown
Press the [START/STOP] key on the operation display panel.
The “System Information screen” is flashing on the LCD screen, and the [RUN] lamp comes on. The
compressor comes to a halt approx. 30 seconds after circulating pump stop for protection of the compressor.
The screen is returned to the “Status screen 1”, which prompts the [RUN] lamp to go out.
[Tips]
See section 5.3.13
“System Information screen” in “Chapter 5 System
” on page 5-10 for details on the System Information screen.
Internal equipment may remain at elevated or lowered in temperature
immediately after system shutdown. Potential burns or frostbite may
happen if your skin comes in contact with these surfaces. Further
work is allowed only when the system reaches room temperature.
Emergency off [EMO] switch and main breaker (OFF) should not be
used for system shutdown unless it is an emergency.
