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The preliminary operations to be performed before confi guration are:
1.
with the boards not connect to the pLAN, power up the second and
third pRack board and set the pLAN address to 2 and 3 (for details,
refer to Appendix A.1)
2.
remove power and connect the boards and any terminal to the pLAN
as described in paragraph 3.7.
3.
power the board and wait for the Wizard selection to appear
At this point, select the type of installation as SUCTION+CONDENSER:
Wizard
Type of Installation:
SUCTION & CONDENSER
Fig. 4.d
Set the type of compressors and regulation of suction line 1 by answering
the questions asked by the pRack pR300T software, for example:
Wizard
Compressor config.
Compressor type:
RECIPROCATING
Compressor number:
Fig. 4.e
Wizard
Compressor config.
Regulation by:
Measure unit:
Refrigerant:
Wizard
Compressor config.
Regulation type:
PROPORTIONAL BAND
Enable integral time
action:
Fig. 4.g
After having confi gured suction line 1, the unit asks if another suction line
needs to be confi gured, which must be answered YES:
Wizard
Compressor config.
Configure another
suction line:
Fig. 4.h
Copyright HPL March 2021
Ib01
Ib03
3
Ib40
PRESSURE
barg
R744
Fig. 4.f
Ib41
YES
Ib43
YES
Answer YES to the next question which asks if a dedicated pRack board
is present; this way the
pRack pR300T
board with address 2 in pLAN:
Wizard
Compressor config.
Dedicated pRack
board for
suction line:
After having answered the question to confi gure the second suction line,
the software asks if there is a dedicated pLAN board for condensing line
1 In this example, answer YES.
Wizard
Condenser config.
Dedicated pRack
board for
condensing line:
Wizard
Gas cooler config.
EEVS Managemant
HPU valve:
RPRV valve:
Valves routing:
TWIN A->HPV,B->RPRV
Status:
Note: (
*) ENABLE, for valves driven directly by Carel driver, if you need 0-10V
(as described in page 49, paragraph 6.15.1...), please set DISABLE
After having confi gured condensing line 1, the software asks if there is a
condensing line 2; answer NO to this question:
Wizard
Configure another
condensing line:
At this point, the software asks if you wish to view a report of the settings
performed:
Wizard
Enable I/O config: YES
Visualize Wizard
report:
(Push (DOWN)
to continue)
27
Page 76 of 169
software is ready to confi gure the
Ib45
YES
Fig. 4.i
Ib90
YES
Fig. 4.j
Ib99
(*)
ENABLE
(*)
ENABLE
Connected
Fig. 4.k
Ib98
NO
Fig. 4.l
Ib2a
NO
Fig. 4.m
P4367 Rev 01
pRack PR300T +0300018EN rel. 1.5 - 02.05.2017
ENG
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