Frigicoll AHUKZ-01B Kurulum ve Kullanım Kılavuzu - Sayfa 10

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3) The indoor unit quantity detected by outdoor unit will be the sum

of the actual address quantity and the virtual address quantity,

when the capacity code of independent control box is D, the setting

actual address is 5, then it will produce virtual address 6, 7 and 8,

and then the indoor unit quantity detected by outdoor unit will be 4.

4) The outdoor unit can not use auto addressing for to set the

address for the indoor unit without address, only the indoor unit has

address then can the outdoor unit to be set auto addressing;

5) When the DX AHU control box system connects to the indoor unit

centralized controller, the actual address and the virtual address

will be displayed on the centralized controller, when the capacity

code of independent control box is D, the setting actual address is

5, then the actual address 5 and virtual address 6,7 and 8 will be

displayed on the centralized controller, that is to say, it equals to

four DX , and the states of four indoor units will be kept in

the same;

6)The network address is the same as the indoor unit address, no

need to setting separately.

8-4-2 Several DX AHU boxes parallel

connection controlling one indoor unit

For this product, several DX AHU boxes are allowed to parallel

connect to control one indoor unit. In this case, only the master DX

AHU box needs to be set an address, this address is an actual

address. Virtual addresses will be generated in the parallel system.

8-5 The wiring figure for several DX AHU boxes parallel connection.

For several DX AHU boxes parallel connection control one indoor unit condition, the wiring figure is showing as fig.8-2.

Outdoor unit

Signal wire(P、Q、E)

SIEMENS controller

Signal wire(P、Q、E)

The signal wire between outdoor and master DX AHU box

Signal wire (X、Y、E)

The signal wire between master DX AHU and slave DX AHU box

SIEMENS controller

Master DX AHU

Signal wire (X、Y、E)

1# slave DX AHU

Signal wire (X、Y、E)

N# slave DX AHU(N≤3)

Master DX AHU

Signal wire (X、Y、E)

N# slave DX AHU(N≤3)

Shown as Table 8-3, DX AHU box with capacity dial code from 0 to

A occupy 1 address. DX AHU box with capacity dial code of B

occupies 2 addresses. DX AHU box with capacity dial code of C

occupies 3 addresses. DX AHU box with capacity dial code of D

occupies 4 addresses. DX AHU box with capacity dial code of E

occupies 5 addresses. DX AHU box with capacity dial code of F

occupies 6 addresses. The number of virtual addresses in parallel

system equals to the total number of occupied addresses by DX

AHU boxes minus one. Virtual addresses are based on actual

address and exist in the system. For several DX AHU boxes parallel

connection control one indoor unit condition, there's only one actual

address and several virtual addresses.

Take Fig 7-6 for instance, this system is a system that 3 DX AHU

boxes are parallelly connected to control one indoor unit, e.g. 0# DX

AHU box is -03B (KAHU-560.2) and it's capacity code is D, 1# DX

AHU box is AHUKZ-02B (KAHU-360.2) and it's capacity code is B,

2# DX AHU box is AHUKZ-01B (KAHU-200.2) and it's capacity code

is A. So set 0# DX AHU box as master DX AHU box, set 1# DX AHU

box as slave 1 DX AHU box, set 2# DX AHU box as slave 2 DX AHU

box. The quantity of the addresses occupied by the set of parallel

boxes is 4+2+1=7. If set address 5 to 0# DX AHU box , then the

parallel DX AHU boxes occupy address 5,6,7,8,9,10,11. The

address 6,7,8,9,10,11 are virtual adresses. The number of indoor

units which are detected by outdoor unit is 7 units.

If there're several parallel DX AHU boxes systems in one

refrigerant system, take fig 8-2 for instance, please calculate the

number of occupied virtual addresses for each parallel DX AHU box

system, design the actual address of each parallel DX AHU box

system to avoid repetition of actual addresses and virtual addresses.

The actual address and virtual address should less than or equal to

63.

T1,T2,T2B

1# indoor

T1,T2,T2B

2# indoor

Fig.8-2

installation manual