1-1
INTRODUCTION
Revision Y05-02
Series Manual - DUO Series
1.
INTRODUCTION
1.1 General
The DUO multi split R410A outdoor unit series, comprise the following ST (cooling only)
and RC (heat pump) models:
•
Cooling Only
OU7 (9+9) ST, OU7 (9+12) ST, OU7 (12+12) ST
•
Heat Pump
OU7 (9+9) RC, OU7 (9+12) RC, OU7 (12+12) RC
1.2 Main
Features
•
R410A refrigerant
•
Built in Deicing Controller.
•
High COP
•
Outdoor coil with hydrophilic louver fins for RC units.
•
Metal sheets protected by anti - corrosion paint work allowing long life
resistance.
•
Compressor mounted in a soundproofed compartment
•
Easy installation and service.
1.3 Tubing
Connections
Flare type interconnecting tubing to be produced on site.
For further details please refer to APPENDIX A on this manual, and to the relevant
indoor service Manual,
1.4 Inbox
Documentation
Each indoor unit is supplied with its own installation and operation manuals, an
additional instillation guide is provided in the DUO outdoor package.
1.5 Matching
Table
OUTDOOR UNITS
INDOOR UNITS
MODEL
REFRIGERANT
WNG9
WNG12
ALPHA 9
ALPHA 12
DUO 9+9 ST/RC
R410A
√
√
DUO 9+12 ST/RC
R410A
√
√
√
√
DUO 12+12 ST/RC
R410A
√
√