CLIVET WSH-EE 101, Installation And Use Manual

Page: 26 / 52

M03Q40G6-03 30/07/08 pag 26
9.
SET POINT COMPENSATION WITH 4-20 mA SIGNAL (WATER RESET)
It optimizes the energetic efficiency of the unit by automatically changing the set-point according to an external signal of 4-
20 ma type.
It requests the
expansion plug-in module
option that must be fitted by the client (refer to the kit instructions) and enabled
by parameter 140 = 1.
This function must be enabled with parameter18 (=0 not enabled, =1 only summer, = 2 only winter, = 3 summer and
winter)
par Description Meaning value
18 WaterReset Water Reset enabling 0=No 1=Cool 2=Heat 3=Always 0
19 MaxCWRH Max. value of the Winter WR correction 10
20 SWRMAXH Corresponding signal of the winter max. correction 4
21 SWRMinH Corresponding signal of the winter min. correction 20
22 MaxCWRC Summer correction max. value 8
23 SWRMaxC Corresponding signal of the summer MAX. correction 20
24 SWRMinC Corresponding signal of the summer MIN. correction 4
140 PlugInEn Enables PLUG-IN presence . 1=YES / 0=NO
SET POINT CURVE IN COOLING SET POINT CURVE IN HEATING *
mA
P 23
P 24
COMP.
MAX
= P22
COMP.
=0
SET POINT
mA
P 21
P 20
COMP.
MAX
= P19
COMP.
= 0
SET POINT
10. SET POINT COMPENSATION ON THE TEMPERATURE OR EXTERNAL ENTHALPY
Optimises unit energy efficiency by automatically adjusting the set-point according to enthalpy or the external temperature.
Requires the
external humidity probe
or the
external temperature probe,
which are optional for certain types of units
and must be installed by the customer and enabled by parameters 152=1 and 156=1.
par Description Meaning value
9 CompExt External temp. comp. enabling 0=No 1=Cool 2=Heat 3=Always 0
10 CextMaxC Ext. Temp. max. summer correction 15
11 CextMinC Ext. Temp. min. summer correction 30
12 CextMaxH Ext. Temp. max. winter correction 15
13 CextMinH Ext. Temp. min. winter correction 0
14 MaxCExtC Summer correction max. value 8
15 MaxCExtH Winter correction max. value 10
16 HExtMinC Ext. enthalpy min. correction 10,5
17 HExtMaxC Ext. enthalpy max. correction 13,5
152 TextEn EXT. Air probe presence 1=YES, 0=NO
156 URProbeExt Enables external UR% probe. 1=YES, 0=NO
SET POINT CURVE IN COOLING SET POINT CURVE IN HEATING *
T EXT
P 11
P 10
COMP.
MAX
= P14
COMP.=0
SET POINT
P 17
P 16
T EXT
P 12
P 13
COMP.
MAX
= P15
COMP.
= 0
SET POINT
* only WSHH