Installation manual
1
RZQG71~140L + RZQSG100~140L
Split system air conditioners
4P339538-1A – 2014.03
Content
Page
1.
Definitions ................................................................................................ 1
1.1.
Meaning of warnings and symbols................................................. 1
1.2.
Meaning of used terms .................................................................. 1
2.
Safety considerations............................................................................... 2
3.
Before installation..................................................................................... 3
3.1.
Scope of this manual ..................................................................... 3
3.2.
Precautions .................................................................................... 3
3.3.
Precautions for R410A................................................................... 3
3.4.
Installation ...................................................................................... 4
4.
Accessories.............................................................................................. 4
4.1.
Handling......................................................................................... 4
5.
Selecting installation site.......................................................................... 4
5.1.
General .......................................................................................... 4
5.2.
Selecting a location in cold climates .............................................. 5
6.
Precautions on installation ....................................................................... 5
6.2.
Installation method for prevention of falling over ........................... 6
6.3.
Drain pipe disposal ........................................................................ 6
7.
Installation service space ......................................................................... 6
7.1.
Precaution on installation ............................................................... 6
8.
Refrigerant pipe size and allowable pipe length....................................... 7
8.1.
Selection of piping material............................................................ 7
8.2.
Refrigerant pipe size ...................................................................... 7
8.3.
Selection of branch pipe ................................................................ 8
8.4.
Allowable pipe length and height difference................................... 8
9.
Precautions on refrigerant piping ............................................................. 9
9.1.
Flaring guidelines........................................................................... 9
9.2.
Brazing guidelines........................................................................ 10
9.3.
Stop valve operation .................................................................... 10
9.4.
Tightening torques ........................................................................11
10. Refrigerant piping....................................................................................11
10.1. Preventing foreign objects from entering ......................................11
10.2. Precautions when connecting field piping
and regarding insulation................................................................11
10.3. Cautions for necessity of a trap ................................................... 12
11. Leak test and vacuum drying ................................................................. 12
11.1. General guidelines ....................................................................... 12
11.2. Setup............................................................................................ 12
11.3. Leak test ...................................................................................... 12
11.4. Vacuum drying ............................................................................. 13
12. Charging refrigerant ............................................................................... 13
12.1. Important information regarding the refrigerant used................... 13
12.2. Precautions and general guidelines............................................. 13
12.3. Calculating the additional refrigerant charge ............................... 14
12.4. Complete recharging.................................................................... 15
12.5. Total charging weight of the refrigerant (after a
leak, etc.) ..................................................................................... 15
13. Pump down operation ............................................................................ 15
14. Electrical wiring work.............................................................................. 16
14.1. Precautions on electrical wiring work........................................... 16
14.2. Connecting power supply and inter-unit wiring ............................ 16
14.3. Precautions on wiring of power supply and
inter-unit wiring............................................................................. 17
14.4. Specifications of standard wiring components ............................. 17
15. Test operation......................................................................................... 18
15.1. Pre-run checks............................................................................. 18
15.2. Remote controller confirmation .................................................... 18
15.3. Test run ........................................................................................ 18
15.4. Precautions regarding test-runs................................................... 19
15.5. Failure diagnosis at the moment of first installation ..................... 19
16. Wiring diagram ....................................................................................... 20
Thank you for purchasing this product.
The original instructions are written in English. All other languages
are translations of the original instructions.
1.
Definitions
1.1.
Meaning of warnings and symbols
Warnings in this manual are classified according to their severity and
probability of occurrence.
Some types of danger are represented by special symbols:
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.
Maintenance instructions:
Instruction manual specified for a certain product or application,
which explains (if relevant) how to install, configure, operate and/or
maintain the product or application.
Dealer:
Sales distributor for products as per the subject of this manual.
Installer:
Technical skilled person who is qualified to install products as per the
subject of this manual.
User:
Person who is owner of the product and/or operates the product.
RZQG71~140L_V1B
RZQG71~140L_Y1B
RZQSG100~140L_V1B
RZQSG100~140L_Y1B
Split system air conditioners
Installation manual
CAREFULLY READ THESE INSTRUCTIONS BEFORE
INSTALLATION. THEY WILL TELL YOU HOW TO
INSTALL AND HOW TO CONFIGURE THE UNIT
PROPERLY. KEEP THIS MANUAL IN A HANDY PLACE
FOR FUTURE REFERENCE.
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.
Electric current.
Danger of burning and scalding.
