Test Run; Before Test Run - Hitachi Rpk-0.6Fsnh3M Installations- Und Betriebshandbuch

Test run

20 TEST RUN
Test run should be performed according to this manual and "Ins-
tallation & Operation Manual" of the outdoor unit.
D A N G E R
• Check to ensure that the electrical resistance is more
than 1 megohm, by measuring the resistance between
ground and the terminal of the electrical parts. If not,
do not operate the system until the electrical leakage is
found and repaired.
• Do not touch any of the parts at the discharge gas side by
hand while the system is running, since the compressor
chamber and the pipes at the discharge side are heated
higher than 90ºC.

20.1 BEFORE TEST RUN

Recheck that there is not any problems to the installation, and
do not perform the test run until all the following checking points
have been cleared.
1 Check to ensure that the refrigerant piping and the transition
wiring are connected to the same refrigerant cycle system.
If not, it will cause an abnormal operation and breakage of
instruments.
2 Do not apply the high voltage to the terminals for the transmis-
sion (TB2 [A, B, 1 and 2]).
3 Check to ensure that each wire is correctly connected at the
phase of power source. If incorrectly connected, the unit will
not operate and the remote control switch will indicate the
alarm code "05". In this case, check the phase of the primary
power source according to the attached attention label on the
rear side of the service cover. Then, perform the reconnection
work correctly with turning OFF the power supply.
4 For wired remote control switch (PC-ARF), set the SW2 to
"Wired" because the setting before shipment is "Wireless". If
not, the operation is not available.
20.2 START TEST RUN
After the installation work is completed, test run should be per-
formed.
In the case that indoor units are connected to the VRF system,
perform the test run of the indoor unit one by one sequentially and
then check accordance of the refrigerant piping system and the
electrical wiring system. (If the multiple indoor units are operated
simultaneously, the system can not be inspected the system ac-
cordance.).
Operate the test run by pointing the transmitter towards the recei-
ver of the indoor unit and press the "RUN/STOP" switch. When
the commands are received by the indoor unit, the "RUN" indica-
tor (orange) of the receiver is turned ON.
39 PMML0292A rev.2 - 09/2015 - P5416572
N O T E
• Check to ensure that the stop valves of the outdoor unit are
fully opened, and then start the system.
• Check to ensure that the switch on the main power source has
been ON for more than 12 hours, to warm the compressor oil
by the crankcase heater.
N O T E
The RUN indicator on indoor unit is turned ON even when the
wired remote control switch is used. However, the indication for ti-
mer settings are only indicated on the wired remote control switch.
5 For the indoor unit wall type without expansion valve, check
that the optional expansion valve kit is installed without fail
before test run.
RUN
(2.0 to 4.0HP)
N O T E
In the case that the "RUN" indicator does not turn ON, the controls
may not have reached the receiver. Send the commands again.
For more information, please refer to remote control "Installation
& Operation Manual".
RUN
(0.6 and 1.5HP)