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No, Description
Setting
Unit
Display conditions
Access
level
Enumeration
By default
138
Exhaust duct pressure control PID
proportional
band (P)
50
Pa
P104 Intake ventilation control =
Duct pressure
and
P105 Exhaust ventilation control =
Duct pressure
2
139 Exhaust duct pressure control PID integration
time (I)
4
s
P104 Intake ventilation control =
Duct pressure
and
P105 Exhaust ventilation control =
Duct pressure
2
140 Exhaust duct pressure control PID derivative
time (D)
1
s
P104 Intake ventilation control =
Duct pressure
and
P105 Exhaust ventilation control =
Duct pressure
2
142 Exhaust duct pressure lower limit threshold
10
Pa
P104 Intake ventilation control =
Duct pressure
and
P105 Exhaust ventilation control =
Duct pressure
2
143 Exhaust duct pressure upper limit threshold
900
Pa
P104 Intake ventilation control =
Duct pressure
and
P105 Exhaust ventilation control =
Duct pressure
2
149 Th Tune
0: Without
1: With
0
2
150 Free cooling control
0: Without
1: With
1
2
151 Night cooling control
0: Without
1: With
0
P104 Air intake ventilation control =
Flow rate
2
152 Air quality control
0: Without
1: With
0
P104 Air intake ventilation control =
Flow rate
or
(P104 Air Intake ventilation control
= Pressure
and
P37 Heat recovery unit differential
pressure sensor = Without
and
P105 Exhaust ventilation control =
pressure)
2
154 Target temperature selection
0 : Supply air
1
P150 Free cooling control = Without
and
P151 Night cooling control =
Without
2
1 : Return
2: Ambient
P149 Th-Tune = With
155 Temperature control mode selection
0: Automatic
1: Cooling only
2: Heating only
0
2
156 Supply air limitation
0: without
1: with
1
P154 Target temperature selection
=
return or room air
2
157 Supply air compensation in deadband
0: without
1: with
1
P154 Target temperature selection
=
return or room air
2
158 load shedding of rotary heat exchanger
0 : free
1 : forced stoped
0
P36 Heat recovery unit = Gradual
speed
2
160 Setpoint 1/Setpoint 2 selection
0: Without
1: Time sched or CMS
2: on/off input only
3: On/off input override
0
2
161 Application of setpoint 1/setpoint 2 selection
0: Temperature
1: Ventilation
2: Temperature and
ventilation
0
P160 = Setpoint 1/setpoint 2
selection = time sched/CMS or On/
Off override
2
162 Changeover selection
0: CMS
1: on/off input
1
P28 hydraulic coil = mixed or
P29 hydraulic coil 2 = mixed
2
163 load shedding of mixing damper
0 : free
1 : forced closed
0
P27 Mixing damper = With
2
164 Fan delay time
240
s
P32 Electric heater = 1 on/off stage
or 2 on/off stages
or 1 gradual stage
or 1 gradual stage and 1 on/off
stage
or
P31 Electric preheater = with
3
166 Mixing damper opening time
150
s
P27 Mixing damper = With
3
8 - PARAMETERS
52
Summary of Contents for 39HXC
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