Sanyo 85464369098000 Test Run Procedure, Items to Check Before the Test Run, Unit with the unit

8-2. Test Run Procedure

<Outdoor unit control PCB> Unit No. setting switch (S007)

<Outdoor unit control PCB> Unit No. setting switch (S006)

<Outdoor unit control PCB> Unit No. setting switch (S004 and S005)

(Check the link wiring.)

<Outdoor unit control PCB> Unit No. setting switch (S002 and S003)

Recheck the items to check before the test run.

NO

Have the outdoor sub units been connected?

YES

*1 *1 The unit with the unit

Set the unit address.No. set to 1 is the

main unit. All other units are sub units.

Set the No. of outdoor units.

Set the No. of indoor units.

	Are the inter-unit control wires		NO	CASE 1
connected to more than 1 refrigerant
	system?
		YES
	Set the system address.

Items to Check Before the Test Run

1.Turn the remote power switch on at least 5 hours before the test, in order to energize the crank case heater.

2.Turn the outdoor service valves (4 locations) to the full-open positions.

●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.

●These settings are not made on the indoor unit PCB.

	When multiple outdoor main units exist, disconnect the terminals	Note: It is not necessary to remove
Refer to Fig. 8-4	extended from the shorted plugs (CN003) at all outdoor main unit	the socket that is used to
	PCBs except for 1.	short-circuit the terminal plugs
	Alternatively, move the sockets to the OPEN side.	from the outdoor sub unit
		PCBs.

Is it possible to turn ON the power only

YES

CASE 2

for the 1 refrigerant system where the

test run will be performed?

Turn ON the indoor and

NO

outdoor unit power for that

refrigerant system only.

Will automatic address setting be

Make necessary corrections.

Short-circuit the automatic address pin (CN100)

NO

performed in Heating mode?

on the outdoor main unit PCB for 1 second or

longer, then release it.

CASE 3B

YES

CASE 3A

Turn OFF the indoor and

outdoor unit power.

Is it OK to start the compressors?

Is it OK to start the compressors?

LED 1 and 2 blink alternately

Check the alarm contents.

(about 2 or 3 minutes).

Turn ON the indoor and

Turn ON the indoor and

NO

outdoor unit power.

outdoor unit power.

Are LEDs 1 and 2 on the

*2

*2

Make necessary

outdoor unit PCB OFF?

Short-circuit the mode change pin

Short-circuit the automatic address

corrections

Refer to “Table of

(CN101) on the outdoor main unit PCB.

pin (CN100) on the outdoor main

Self-Diagnostic Functions and

Description of Alarm Displays.”

YES

At the same time, short-circuit the

unit PCB for 1 second or longer,

Turn OFF the indoor

automatic address pin (CN100) for 1

then release it.

and outdoor unit power.

second or longer, then release it.

*3	*3
Start indoor and outdoor unit	Start indoor and outdoor unit
cooling operation.	heating operation.
LED 1 and 2 blink alternately.	LED 1 and 2 blink alternately.

Check the alarm

contents.

Are LEDs 1 and 2 on the	NO
outdoor unit PCB OFF?

YES

*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.

Check that test run preparation is OK.

(Do not allow the short-circuited pins to remain short-circuited.)

	Set the wired remote controller for test run.
Refer to the remote		NO	Check and make corrections according to
controller test-run
settings.	Does system operate?		“Table of Self-Diagnostic Functions.”

YES

Return remote control to normal mode

End test run.

Fig. 8-3

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W-3WAY_ECO-i_US.indd 84 2008/02/07 10:56:11