Checking Performance; Checking The Basic Performance Of Indoor And Outdoor Units - Panasonic 2WAY MULTI U-16GE3E5 Test Run Manual

5. Checking performance

(1) Checking the basic performance of indoor and outdoor units

Operate the system in test run mode continuously for at least 30 minutes, and when the refrigerant system has stabi-
lized, from the LED on the board note and record the data for each part. In the case of the W MULTI system, check
the data for all outdoor units in the same refrigerant system. Check the data of the indoor unit on the outdoor unit
board with the smallest outdoor unit address.
 How to note down data
 During normal operation, the following displays are repeatedly displayed at 10 second intervals.
• System address, No. of indoor units Example:  (system 01, indoor units 24 units)
• Engine operating hours Example:  (Operating hours 12345 hours)
 During this time, press the SET (SW007) key and the system data will be displayed.
 When the data is displayed, each press of the UP (SW005) key changes the data code and data displayed in the
order shown in the table below.
 If data display proceeds too far, press the DOWN (SW006) key to display the necessary data, and then record the
data.
* If the HOME (SW004) key is pressed for longer than 1 second or no operation is performed for 10 minutes, the
normal display is restored.
● Display examples
[Outdoor unit data]
Data code
 Assessment of data
As described in the previous item
Measurement item
Data
code
Data name
1 Engine operation time
2 Engine operating counts
3 Starter operation time
4 Starter operating counts
5 Current oil change time
↑
c Number of compressor oil refills
d Number of times oil supplied
E Clutch 1 on time
↓
F Number of clutch 1 on operations
G Clutch 2 on time
h Number of clutch 2 on operations
[Indoor unit data]
Data
, display the data in the table below, and record it onto a data sheet, and assess it.

Display example
Unit
Hr

Times

Seconds

Times

Hr

Times

Times

Hr

Times

Hr

Times

II - 45
Data code
Indoor unit number.
Basic operation data
When COOL
Data
When HEAT