13Configuration
Installation and operation manual
20
VAM350~2000J8VEB
Heat reclaim ventilation unit
4P664011-1 – 2021.08
13.2
Field settings
Refer to the installer and user reference guide of the user interface for more information on how to change field settings.
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