Daikin RZQ180MY1, Operation Manual

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Contents
Page
1. Definitions ...................................................... 1
1.1 Meaning of warnings and symbols ................ 1
1.2 Meaning of used terms .................................. 1
1.3 Safety precautions ......................................... 2
2. Introduction .................................................... 6
2.1 System layout ................................................ 6
3. Before operation ............................................. 6
4. Remote controller ........................................... 6
5. Operation range ............................................. 7
6. Operation procedure ..................................... 7
6.1 Cooling, heating, fan only, automatic
operation and dry operation .......................... 7
6.2 Program dry operation .................................. 8
7. Energy saving and optimum operation ........... 9
8. Maintenance .................................................. 9
8.1 Maintenance after a long stop period
(e.g., at the beginning of the season) ............ 9
8.2 Maintenance before a long stop period
(e.g., at the end of the season) ................... 10
9. Symptoms that are not air conditioner
troubles ........................................................ 10
9.1 The system does not operate ...................... 10
9.2 Fan operation is possible, but cooling/
heating do not work ..................................... 10
9.3 White mist comes out of a unit .................... 10
9.4 The remote controller display shows
“U4” or “U5” and stops, but then restarts
after a few minutes ...................................... 10
9.5 Noise of air conditioners .............................. 10
9.6 Dust comes out of the unit .......................... 11
9.7 The units can give off odours ...................... 11
9.8 The outdoor unit fan does not operate.
But compressor still running ........................ 11
9.9 The compressor in the outdoor unit
does not stop after a short heating
operation ..................................................... 11
9.10 The inside of an outdoor unit is warm
even when the unit has stopped .................. 11
9.11 Does not cool very well ............................... 11
10. Troubleshooting ............................................ 11
11. After-sales service and warranty .................. 12
11.1 Warranty period ........................................... 12
11.2 After-sales service ....................................... 12
11.3 Shortening of “maintenance cycle” and
“replacement cycle” needs to be
considered in following situations ................ 13
11.4 Malfunction codes ....................................... 14
1. Definitions
1.1 Meaning of warnings and symbols
Warnings in this manual are classified according
to their severity and probability of occurrence.
DANGER
Indicates an imminently hazardous situation
which, if not avoided, will result in death or
serious injury.
WARNING
Indicates a potentially hazardous situation
which, if not avoided, could result in death
or serious injury.
CAUTION
Indicates a potentially hazardous situation
which, if not avoided, may result in minor or
moderate injury. It may also be used to alert
against unsafe practices.
NOTICE
Indicates situations that may result in
equipment or property-damage accidents
only.
INFORMATION
This symbol identifies useful tips or
additional information.
Some types of danger are represented by
special symbols:
Electric current.
Danger of burning and scalding.
1.2 Meaning of used terms
Installation manual:
Instruction manual specified for a certain product
or application, explaining how to install, configure
and maintain it.
Operation manual:
Instruction manual specified for a certain product
or application, explaining how to operate it.
Operation manual
01_EN_3P529409-2B.indd 1 15-Nov-19 3:02:26 PM