Refrigerant System - Fujitsu AIRSTAGE J-II Design & Technical Manual

1. SYSTEM DESIGN
1-1.

REFRIGERANT SYSTEM

CONNECTABLE UNIT WITHIN 1 REFRIGERANT SYSTEM
„ „
Unit
Outdoor unit
Indoor unit
Table
z „
Capacity
HP
(kW)
4
5
6
*1: Condition 1: 1.1 kW cooling capacity indoor unit is NOT connected.
Condition 2: 1.1 kW cooling capacity indoor unit is connected and 9.0 kW or larger cooling capacity AU or AR is
NOT connected.
Condition 3: 1.1 kW cooling capacity indoor unit is connected and 9.0 kW or larger cooling capacity AU or AR is
connected.
Caution
z „
When all indoor units are operating at maximum capacity, individual indoor unit operate at a
●
„
slightly lower capacity. (When connecting more than 100%)
Do not exceed both of "connectable capacity range" and "maximum connectable indoor
●
„
unit", otherwise it may cause hinder the return of the refrigerant oil and cause a compressor
breakdown.
Minimum connectable indoor unit number is 2.
●
„
Quantity
1 unit
2 to Max. 7 units
2 to Max. 8 units
2 to Max. 9 units
Outdoor unit
quantity
12.1 1
14.0 1
15.5 1
Remarks
4HP (AJ  A40LALH)
5HP (AJ  A45LALH)
6HP (AJ  A54LALH)
Maximum Connectable
connectable cooling capacity
indoor unit range *1
Condition 1:
46% to 130%
Condition 2:
7
46% to 120%
Condition 3:
46% to 110%
Condition 1:
50% to 130%
8
Condition 2:
50% to 120%
9
Condition 3:
50% to 110%
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