Section 1: Outline Of W-3Way Eco-I System; Features Of W-3Way Eco-I System - Sanyo ECO-i AHX0752 Technical Data Manual

2. Features of W-3WAY ECO-i SYSTEM

2-1. Outline of W-3WAY ECO-i SYSTEM
System example
Inverter unit
CONNECTION
If indoor/outdoor units need servicing, a ball
1
valve (optional) cuts off non-operational
units to let other units stay running.
2
System limitations
Maximum number of combined outdoor units
Maximum horsepower of combined outdoor units
Maximum mumber of connectable indoor units
3
Indoor/outdoor unit capacity ratio
Maximum actual tubing length
Maximum level difference ( when outdoor unit is lower )
Maximum total tubing length
4
✟ Combination of outdoor units
The DC inverter unit can be used independently or in combination.
CAUTION
5
Combination of outdoor units
6
Total horse
power
10
Inverter unit
10
1
16
7
8
Inverter unit
* The capacity after the setting is
made must not exceed 32 PS.
●
R407C models and R22 models must not be used in combination with each
other.
16 20 26 32
2 1
1 1
2
CONCENTRATION
If your indoor capacity load changes in the future,
it's easy to add on both indoor and outdoor units
2
using the same piping.
32 HP
*If the additional installment of outdoor and indoor units is
40
expected, the size of refrigerant piping should be decided
50~130% according to the total capacity after the addition.
492 ft
164 (131) ft
984 ft
1-4
Outline of W-3Way ECO-i SYSTEM
Since all pipings are
concentrated into
one pipe shaft, you
can minimize piping
space and construc-
tion labor
Solenoid
valve kit
Indoor unit
ADDITION