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Daikin EUWA water chillers Manual

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EUWA(*)5~24KBZW1
Packaged air-cooled water chillers
4PW61653-1 – 07.2010
Installation and operation manual
14
Advanced features of the digital controller
This chapter gives an overview of the direct parameters and user
parameters provided by the controller. In the following chapter, you
will learn how you can set up and configure the unit using these
parameters.
Overview of the direct and user parameters
The list of direct parameters is accessible by pressing the B key
for approximately 5 seconds. Refer also to "How to consult and
modify the direct parameters" on page 12.
Parameter
group
Parameter
code
Description
Default
value
Min Max Units
Read/
Write
User/
Direct
Modbus
Address
Parameter
type
(*)
(*) D=digital, A=analog, I=integer.
-/- /23
Measurement unit
0=°C 1=°F
001 R/W U 5 D
-a- No user or direct parameters accessible
-b-
b01 Evaporator inlet water temperature 0.1°C R D 102 A
b02 Evaporator outlet water temperature 0.1°C R D 103 A
b03 Not used 0.1°C R D 104 A
-c-
c07
Time delay between pump startup and
compressor startup
15 0 999 1 sec R/W U 238 I
c08
Time threshold between the unit
shutdown and the pump shutdown
00150 1 min R/W U 239 I
c10 Total running hours of compressor 1 x100 hours R D 122 A
c11 Total running hours of compressor 2 x100 hours R D 123 A
c14
Maintenance threshold for
maintenance warning (c10 and c11)
00100 x100 hours R/W U 241 I
c15 Total running hours of pump x100 hours R D 126 A
-d- No user or direct parameters accessible
-f- No user or direct parameters accessible
-h-
h07
To activate remote on/off control
0=not active
1=active
(only in case p34=23)
001 R/W U 15 D
h09
To lock the controller keyboard
0=lock
1=unlock
101 R/W U 16 D
h10 Serial address for BMS connection 1 1 200 R/W U 256 I
h23
To select address card connection
0=remote user interface connection
1=MODBUS connection
001 R/W U 11 D
-p-
p09
Changeable digital input selection
S7S
0=no function
13=remote dual setpoint
DO NOT SELECT OTHER VALUES
9027 R/W U 277 I
p34
Changeable digital input selection
S9S
0=no function
13=remote dual setpoint
23=remote on/off (only active in
combination with h07)
DO NOT SELECT OTHER VALUES
23 0 27 R/W U 329 I
-r-
r01
Cooling setpoint
12.0
7.0
(†)
(†) –2.0 and –7.0 only applicable for units with glycol applications.
25.0 0.1°C R/W D 41 A
r02 Cooling difference 3.0 0.3 19.9 0.1°C R/W D 42 A
r21
Cooling setpoint 2
(‡)
(‡) Used in case dual setpoint is enabled in p09 or p34 and dual setpoint digital input is closed.
12.0
7.0
(†)
25.0 0.1°C R/W D 55 A
-t- No user or direct parameters accessible
f-r h99 Software release version R D 208 I
4PW61653-1_digital_EN.book Page 14 Thursday, August 26, 2010 1:49 PM
… 17 …


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