Test Run Procedure; Items To Check Before The Test Run - Sanyo Mini ECO-i 85464359981002 Installation Instructions Manual

8-2. Test Run Procedure

<Outdoor unit control PCB>
Unit No. setting switch
(S004)
(Check the link wiring.)
<Outdoor unit control PCB>
Unit No. setting switch
(S002 and S003)
Refer to Fig. 8-4
NO
CASE 3B
Is it OK to start the compressors?
Turn ON the indoor and
outdoor unit power.
*2
Short-circuit the mode change pin
(CN50) on the outdoor main unit PCB.
At the same time, short-circuit the
automatic address pin (CN51) for 1
second or longer, then pull it out.
*3
Start indoor and outdoor unit
cooling operation.
LED 1 and 2 blink alternately.
Are LEDs 1 and 2 on the
outdoor unit PCB OFF?
(Do not allow the short-circuited pins to remain short-circuited.)
Set the wired remote controller for test run.
Refer to the remote
controller test-run
Does system operate?
settings.
Return remote control to normal mode
Recheck the items to check before the test run.
Set the No. of indoor units.
Are the inter-unit control wires
connected to more than 1 refrigerant
system?
YES
Set the system address.
When multiple outdoor units exist, disconnect the terminals
extended from the shorted plugs (CN33) at all outdoor main unit
PCBs except for 1.
Alternatively, move the sockets to the OPEN side.
Is it possible to turn ON the power only
for the 1 refrigerant system where the
test run will be performed?
NO
Will automatic address setting be
performed in Heating mode?
YES
CASE 3A
Is it OK to start the compressors?
Turn ON the indoor and
outdoor unit power.
*2
Short-circuit the automatic address
pin (CN51) on the outdoor unit PCB
for 1 second or longer,
Turn OFF the indoor
then release it.
*3
Start indoor and outdoor unit
heating operation.
LED 1 and 2 blink alternately.
NO
YES
Check that test run preparation is OK.
NO
Check and make corrections according to
"Table of Self-Diagnostic Functions."
YES
End test run.

Items to Check Before the Test Run

1. Turn the remote power switch on at
2. Turn the outdoor service valves (2
G
Use caution when making the settings. If
there are duplicated system addresses,
or if the settings for the Nos. of the
indoor units are not consistent, an alarm
will occur and the system will not start.
G
These settings are not made on the
indoor unit PCB.
CASE 1
NO
CASE 2
YES
Make necessary corrections.
Short-circuit the automatic address pin (CN51)
on the outdoor unit PCB for 1 second or longer,
Turn OFF the indoor and
outdoor unit power
Check the alarm contents.
NO
Make necessary
corrections
Refer to "Table of
Self-Diagnostic Functions and
Description of Alarm Displays."
and outdoor unit
Check the alarm
contents.
*2 A minimum of 5 hours must have passed after the
power was turned ON to the outdoor unit.
*3 All indoor units operate in all refrigerant systems
where the power is ON.
Fig. 8-3
69
least 5 hours before the test, in order to
energize the crank case heater.
locations) to the full-open positions.
Turn ON the indoor and
outdoor unit power for that
refrigerant system only.
then release it.
LED 1 and 2 blink alternately
(about 2 or 3 minutes).
Are LEDs 1 and 2 on the
outdoor unit PCB OFF?
YES