Daikin VRV S RXQ4/5ARV1, Service Manual

Page: 176 / 377

Test Operation (6/8 HP) SiAF332111E
170 Part 5 Field Settings and Test Operation
6. Test Operation (6/8 HP)
6.1 Checks before Test Operation
Before carrying out a test operation, proceed as follows:
6.2 Checkpoints
To carry out a test operation, check the following:
 Check that the temperature setting of the remote controller is at the lowest level in cooling
mode or use test mode.

Go through the following checklist:
Step Action
1
Make sure the voltage at the primary side of the safety breaker is:
220-240 V ± 10% for 1-phase units;
380-415 V ± 10% for 3-phase units.
2 Fully open the liquid and the gas stop valve.
Checkpoints Cautions or warnings
Are all units securely installed?

Dangerous for turning over during storm

Possible damage to pipe connections
Is the earth wire installed according to the applicable
local standard?
Dangerous if electric leakage occurs
Are all air inlets and outlets of the indoor and outdoor
units unobstructed?

Poor cooling
Does the drain flow out smoothly? Water leakage
Is piping adequately heat-insulated? Water leakage
Have the connections been checked for gas
leakage?

Poor cooling

Stop
Is the supply voltage conform to the specifications on
the name plate?
Incorrect operation
Are the cable sizes as specified and according to
local regulations?
Damage of cables
Are the remote controller signals received by the
unit?
No operation