22
2-3
■ U-60PZ2R5, U-71PZ2R5
2-1. Preparing for Test Run
● Before attempting to start the air conditioner, check the following:
(1) All loose matter is removed from the cabinet especially
steel filings, bits of wire, and clips.
(2) The control wiring is correctly connected and all electrical
connections are tight.
(3) The protective spacers for the compressor used for
transportation have been removed. If not, remove them
now.
(4) The transportation pads for the indoor fan have been
removed. If not, remove them now.
(5) Both the gas and liquid tube service valves are open. If
not, open them now.
Liquid tube
Gas tube
(6) Request that the customer be present for the test run.
Explain the contents of the Installation Instructions, and
then have the customer actually operate the system.
(7) Be sure to give the Installation Instructions to the
customer.
● If it is necessary to make settings such as system address when performing a test run, remove the top panel and electrical
component box cover as illustrated below and check each switch on the control PC board.
(1) Remove the top panel by unfastening
five screws.
(2) To remove the electrical component
box cover, press the latches on the
cover in the direction of the arrow
while holding the handle with one
hand.
Screws (× 5)
Electrical component box cover
Latches
Handle
LED1
LED2
TEST
CHK
JP002
A.ADD
CN-EMG
STOP
RUN
MODE
CN-TERMINAL
System address
DIP switch
PUMPDOWN
System address
Rotary switch
01_301769_2WAY_eng.indb 29 2018/3/20 9:15:06
2-2. Caution
● This unit may be used in a single-type refrigerant system where 1 outdoor unit is connected to 1 indoor unit.
● The indoor and outdoor unit control PCB utilizes a semiconductor memory element (EEPROM). The settings required for
operation were made at the time of shipment.
Only the correct combinations of indoor and outdoor units can be used.
● This test run section describes primarily the procedure when using the wired remote controller.
Regarding the wireless remote controller, refer to the Installation Instructions attached to the wireless remote controller.
2-3. Test Run Procedure
YES
NO
NO
YES
Recheck the items to check before the test run.
(See 2-4)
Is group control with multiple
outdoor units used?
Turn ON the indoor and outdoor power.
Indicate (mark) the combination number.
(See 2-9)
Auto
address
setting
Set the remote controller to “test run”.
(See 2-5)
Can operation be started?
Return the remote controller to normal control.
(See 2-7)
Setting the Outdoor Unit System
Address
Set the outdoor unit system
address.
Auto Address Setting
(See 2-8)
Use the remote controller to
perform auto address setting.
(See 2-11)
Auto address setting from the
outdoor unit
See the section “2-10. Table of Self-
Diagnostic Functions and Corrections”
to check the system.
Furthermore, check the circuit diagram
and modify if necessary.
* When performing “test run” using the
Indicator of the indoor unit (Type K2),
refer to the Installation Instructions
attached to the indoor unit.
2-4. Items to Check Before the Test Run
Fully open the closed valves on the liquid-tube and gas-tube sides.
01_301769_2WAY_eng.indb 30 2018/3/20 9:15:06
SM830266-00_大洋州向けR32シングルTD&SM.indb 3 18/03/29 11:58:17
To Next Page
Loading...
