Test Running - Hitachi PSC-A1T Installation And Operation Manual

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TEST RUNNING

8
5
5.
TEST RUNNING
Perform the test running according to the procedure described below.
Preparation:
Set the operation schedule according to the "7. Operation Procedure".
(1) In the case where the present time indication is ON TIME (The "RUN" lamp of the control timer
is ON).
1. Set the present time at the time one minute before the OFF time.
2. One minute later, check to ensure that the target indoor unit is stopped.
3. After checking, set the present time at the time one minute before the ON time.
4. One minute later, check to ensure that the target indoor unit is operated.
(2) In the case where the present time indication is OFF time (The "RUN" lamp of the control timer
is OFF)
1. Set the present time at the time one minute before the ON time.
2. One minute later, check to ensure that the target indoor unit is operated.
3. After checking, set the present time at the time one minute before the OFF time.
4. One minute later, check to ensure that target indoor unit is stopped.
NOTE:
After the test running, set the present time at the correct time again.
ATTENTION:
a). When using the remote control switch (PC-2H2) or PSC-A16RS together, the first setting
after the test running is not available in the following cases.
- When the first setting after the test running (1) is ON time
- When the first setting after the test running (2) is OFF time
b). When the "RUN" lamp of the control timer flickers, and there is a failure in transmission. In
this case, check for the condition of wiring and the setting of the dip switch.