Test Run Settings - Panasonic U-16GE2E5 Verfahren Und Technische Punkte Für Den Probelauf

13. Test Run Settings

* When a test run is performed using the control board of the outdoor unit with the smallest address, the test run is performed
for all outdoor units connected to the same refrigerant tubing system.
* You can cancel a test run from the control board of the outdoor unit with the smallest address.
(1) Select the
(2) Press the SET key to change to the following display.
Example:
(3) Use the UP and DOWN keys to select the following settings: forced cool test run, forced heat test run, forced valve operation,
forced water circulation, and forced bypass valve closing.
Table 5
DOWN
UP
13-1. Setting outdoor unit trial run and forced outdoor unit operation
Forced cool test run setting
With the forced cool test run setting selected, press and hold the SET key for 1 second to perform a forced cool test run.
During this time, the setting in progress indicator lights.
Forced heat test run setting
With the forced test run setting selected, press and hold the SET key for 1 second to perform a forced heat test run. During
this time, the setting in progress indicator lights.
Forced valve opening (Use when applying vacuum.)
With the forced valve opening setting selected, press and hold the SET key for 1 second to operate the valves.
The indoor unit solenoid valve, outdoor unit solenoid valves (2), liquid valve, and bypass valve open all the way. For W-Multi
units, the oil recovery valve, balance valve, fl ushing valve, and refrigerant-gas trip valve (optional) open as well. During this
time, the setting in progress indicator lights.
All the outdoor units connected to the same refrigerant system are set to forced valve opening.
When the individual outdoor unit has to be confi gured, it must be separated from the system.
Forced water circulation setting (Use when checking the cooling water system.)
With the forced water circulation setting selected, press and hold the SET key for 1 second to operate the cooling water pump.
(The cooling water 3-way solenoid valve switches to the radiator side for 3 minutes, then to the sub evaporator side for 1
minute 15 seconds.) During this time, the setting in progress indicator lights.
Forced bypass valve closing (Use when performing pump-down.)
With the forced bypass valve closing setting selected, press and hold the SET key for 1 second to close the bypass valve all
the way. During this time, the setting in progress indicator lights.
Automatic air-bleeding mode (Used for the cooling water system, air bleeding and so on.)
While the automatic air-bleeding mode is selected, press and hold the SET key for a second to operate the cooling water
pump, move the cooling water three-way valve and warm water three-way valve to automatically conduct the air-bleeding
operation. The cooling water pump automatically repeats via start and stop. At the same time, the TEST/WARNING indication
lights up and the progress status is displayed.
* Please mount the air-bleeding jig before conducting this operation.
* After this operation, please check for the presence or absence of residual air with the forced water circulation setting. If
air-bleeding is insuffi cient, please repeat this operation until all the air has come out.
(test run, forced outdoor unit operation setting) menu item to display
(forced cool test run setting)
Display
Forced cool test run
Forced heat test run
Forced valve opening
Forced water circulation
Forced bypass valve closing
Automatic air release mode
EN - 13
Function
.