Toshiba Estia RUA-CP1701H, Руководство по установке

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57
Monobloc Outdoor Unit Installation Manual
9.4.3 Parameter configuration
No. Step Figure FC Designation Description Range Default Ex.
1
Change follower 2 NHC
address to 3
For header unit with a RC, to address the different units of header/follower installation, it is
necessary to disconnect RS485 bus (Green connector J6) from Header and all Followers
except the
last one. But RC is switched on by header unit (12VDC)
641 Unit address
It is necessary to set the NHC
board address of Follower
2 different as NHC board
address of Header
0 ~ 239 0 3
Wait 30s before next step. An error can appear on RC screen, but it is not a problem to continue the
configuration.
2
Change follower 1 NHC address to 2
Connect the RS485 bus (Green connector J6) on Follower 1, besides Follower 2
641 Unit address
It is necessary to set the NHC
board address of Follower
1 different as NHC board
address of Header
0 ~ 239 0 2
Wait 30s before next step. An error can appear on RC screen, but it is not a problem to continue the
configuration.
3
Configure Header board
Connect the RS485 bus (Green connector J6) on Header, besides Follower 1 + 2
743
Follower # 1
address
It is necessary to set the
Follower address different as
Header address
0 ~ 239 0 2
744
Follower # 2
address
It is necessary to set the
Follower address different as
Header address
0 ~ 239 0 3
742 Header / Follower
selection
Allow the Header/Follower
operation as Header:
0 = Disable
1 = Header
2 = Follower
0 ~ 2 0 1
4
Compressor control method choice
751 Cascade type
The cascade type
configuration refers to the
control of header / follower
operation.
0 = Starting Header first, then
first Follower to last Follower.
Stopping Last Follower to first
Follower, then Header.
1 = Starting/stopping units
according to their wear
factors.
2 = All units (Header and
Followers) are started/stopped
at the same time
0 ~ 2 1 1
746
Capacity to start
next unit
If Cascade Type = 0 or 1,
then it is possible to set this
parameter [P746]. It defines
the percentage of capacity
that the operating unit must
reach before starting the next
unit. This parameter is defined
only on header unit.
0 ~ 100 75 75