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AB Industrietechnik srl – Via Julius Durst, 70 – 39042 BRESSANONE (BZ) Italy – Tel: +39 0472/830626 – [email protected] – www.industrietechnik.it
• Compensation in the 2-pipe cooling mode:
Two separate points are defined, as indicated in the charts below
Example of compensation with
137
>
138
.
Tlim
126
129
100
0
Val_lim_min_H
Tlim
128
129
100
0
Val_lim_max_H
Tlim
126
129
100
0
Val_lim_min_C
Tlim
128
129
100
0
Val_lim_max_C
Te
132
133
0
Set_comp_heat
131
134
Te
136
137
0
Set_comp_cool
135
138
Te
132
133
0
Set_comp_heat
131
134
Te
136
137
0
Set_comp_cool
135
138
Hlim
148
149
100
0
Lim_max_hum
Hlim
146
149
100
0
Lim_min_dehum
ON
OFF
Hlim
149
Lim_min_dehum
146
DOx
ON
OFF
Hlim
149
Lim_max_hum
148
DOx
Set_comp_cool: summer compensated setpoint
Te: external temperature
135
:
minimum external temperature for summer compensation
136
:
external maximum temperature for summer compensation
137
:
compensated setpoint corresponding to the minimum external temperature for summer compensation
135
138
:
compensated setpoint corresponding to the maximum external temperature for summer compensation
136
Example of compensation curve with
137
<
138
.
Tlim
126
129
100
0
Val_lim_min_H
Tlim
128
129
100
0
Val_lim_max_H
Tlim
126
129
100
0
Val_lim_min_C
Tlim
128
129
100
0
Val_lim_max_C
Te
132
133
0
Set_comp_heat
131
134
Te
136
137
0
Set_comp_cool
135
138
Te
132
133
0
Set_comp_heat
131
134
Te
136
137
0
Set_comp_cool
135
138
Hlim
148
149
100
0
Lim_max_hum
Hlim
146
149
100
0
Lim_min_dehum
ON
OFF
Hlim
149
Lim_min_dehum
146
DOx
ON
OFF
Hlim
149
Lim_max_hum
148
DOx
Set_comp_cool: summer compensated setpoint
Te: external temperature
135
:
minimum external temperature for summer compensation
136
:
external maximum temperature for summer compensation
137
:
compensated setpoint corresponding to the minimum external temperature for summer compensation
135
138
:
compensated setpoint corresponding to the maximum external temperature for summer compensation
136
Note: If the external sensor breaks, the summer compensated setpoint is still calculated.
If the external sensor is open, the compensated summer setpoint corresponds to
I37
.
If the external sensor is short-circuited, the compensated summer setpoint corresponds to
I38
.