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draft – 07/02/2022 15:12
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Technical data
Service manual
90
VAM350~200 EKVDX32~100A2VEB
VRV system air conditioner
ESIE22-07 – 2022.02
5.8.3
Overview of field settings for heat reclaim ventilation units
Mode
SW
SW description
SW position
(a)
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
17(27)
0
Filter cleaning time
±2500 hours
±1250 hours
—
—
—
—
—
—
—
—
—
—
—
—
—
1
Nighttime free cooling timer (after stop)
(b)
OFF
ON after 2 hours
ON after 4 hours
ON after 6 hours
ON after 8 hours
—
—
—
—
—
—
—
—
—
—
2
Precool/preheat
(c)
OFF
ON
—
—
—
—
—
—
—
—
—
—
—
—
—
3
Precool/preheat duration
(c)
30 minutes
45 minutes
60 minutes
—
—
—
—
—
—
—
—
—
—
—
—
4
Initial fan speed
(d)
High
Ultra-high
—
—
—
—
—
—
—
—
—
—
—
—
—
5
(e)
Yes/No setting for duct connection with VRV system
Without duct
With duct
Without duct
With duct
Without duct
With
duct
—
—
—
—
—
—
Setting for cold areas (fan operation when heater
thermostat is OFF)
(f)
—
—
Stop/Stop
Low/Low
Stop/stop
Low/Low
—
—
—
—
—
—
—
—
—
Fan operation during defrost/oil return/hot start
(f)
—
—
Stop/Stop
Stop/Stop
Stop/Stop
Stop/Stop
Stop/—
Stop/Stop
Stop/—
—
—
—
—
—
—
17(27)
6
Nighttime free cooling (fan settings)
(b)
High
Ultra-high
—
—
—
—
—
—
—
—
—
—
—
—
—
7
Target temperature for independent nighttime free
cooling
(b)
18°C
19°C
20°C
21°C
22°C
23°C
24°C
25°C
26°C
27°C
28°C
29°C
30°C
—
—
8
Central zone link
No
Yes
—
—
—
—
—
—
—
—
—
—
—
—
—
9
Preheat time extension
(c)
0
minutes
30
minutes
60
minutes
90
minutes
—
—
—
—
—
—
—
—
—
—
—
18(28)
0
External signal
(g)
JC/J2
Last command
Priority on external
input
Priority on operation
Disable nighttime free
cooling/Perform forced
stop
—
24 hours
ventilation ON/OFF
Disable JC/J2
—
—
—
—
—
—
—
—
1
Direct power ON
OFF
ON
—
—
—
—
—
—
—
—
—
—
—
—
—
2
Auto restart
(h)
OFF
ON
—
—
—
—
—
—
—
—
—
—
—
—
—
3
Output signal to external damper (X24A)
—
—
Damper output (fan
operation)
Damper output (fan
operation)
—
—
—
—
—
—
—
—
—
—
—
4
Indication of ventilation mode
ON
OFF
—
—
—
—
—
—
—
—
—
—
—
—
—
18(28)
6
Automatic ventilation air flow mode
Linear
—
Fixed A
Fixed B
—
—
—
—
—
—
—
—
—
—
—
7
Fresh-up mode
Supply – no
indication
Exhaust – no
indication
Supply – indication
Exhaust – indication
—
—
—
—
—
—
—
—
—
—
—
8
External input terminal function selection
(i)
(JC/J1)
Fresh-up
Error output
Error output and
stop operation
Forced off
Fan forced off
Air-flow up
—
—
—
—
—
—
—
—
—
9
BRP4A50A output switching selection (between X3
and X4)
Heater output
Error output
Fan output (Low/
High/Ultra-high)
Fan output (High/Ultra-
high)
Fan output (Ultra-
high)
Fan output (Low/High/Ultra-high)
—
—
—
—
—
—
—
—
(between X1 and X2)
Operation output
Operation output
—
—
—
—
—
—
—
—
—
—
10
EKVDX connected?
(j)
No
Yes
—
—
—
—
—
—
—
—
—
—
—
—
—
18(28)
11
Filter contamination check
No action
Reset filter check
Force filter check
—
—
—
—
—
—
—
—
—
—
—
—
13
Cooling set point (with EKVDX)
13°C
15°C
16°C
17°C
18°C
19°C
20°C
21°C
22°C
23°C
24°C
25°C
26°C
28°C
30°C
14
Heating set point (with EKVDX)
24°C
26°C
27°C
28°C
29°C
30°C
31°C
32°C
33°C
35°C
37°C
39°C
41°C
43°C
45°C