13 Configuration
Installation and operation manual
18
VAM350~2000J8VEB
Heat reclaim ventilation unit
4P664011-1 – 2021.08
NOR. H M
NOR.
H M
SS1
SS1
q
a
b
e
c
d
f
g
h
i
j
k
l
m
n
o
p
X20A
X21A
X41A
X42A
X38A
X14A
X33A
X35A
X70A
X24A
X26A
X28A
X22A
X29A
X5A X6A X12A X11A
J3 J2 J1 JC
F2 F1 N/P2 P/P1
J3 J2 J1 JC
F2 F1 P2 P1
X27A
F1U 6.3A
L
N
a
Power supply
b
Terminals
c
Bypass damper
d
Bypass damper (only models 1500+2000 bottom unit)
e
External damper (field supply)
f
Fan communications
g
KRP2A51 (option)
h
Controller
i
Central control
j
External input
k
Outdoor air thermistor
l
Indoor air thermistor
m
Bypass damper (only models 1500+2000 bottom unit)
n
Bypass damper
o
BRP4A50A (optional accessory)
p
CO₂ sensor
q
Factory setting (No operation if setting is changed)
WARNING
If a gap is present at the cable entry, wrap the cable (or
cables) with the sealing material from the accessory bag.
This will prevent small objects (such as children's
fingers, ... etc.) as well as fluid droplets from entering the
unit.
+
+
=
=
NOTICE
Factory settings: Do NOT change the switch settings when
a controller is connected. SS1 is a setting switch to operate
the unit without controller. Changing the switch setting
when a controller is connected will stop the unit from
operating normally. Keep the switch on the PCB in the
factory setting position.
13
Configuration
13.1
To change settings
The heat reclaim ventilation unit settings can be adjusted using the
controller of either the heat reclaim ventilation unit or the air
conditioner.
The settings (format: e.g. 19(29)-1-02), that are used in this chapter
are composed of 3 parts, divided by "-":
▪ Mode number: e.g. 19(29), where 19 is the mode number for
group settings and 29 is the mode number for individual settings.
▪ Switch number: e.g. 1
▪ Position number: e.g. 02
Initial settings
▪ Mode numbers 17, 18, and 19: group control of heat reclaim
ventilation units.
NOTICE
Field setting mode numbers 17, 18 and 19 CANNOT be
used with EKVDX indoor units.
▪ Mode numbers 27, 28, and 29: individual control or when
operating with the optional EKVDX units.
Case 1: Change settings with BRC1E53
Make sure that the switch box lid on the heat reclaim ventilation unit
is closed.
1
Briefly press a button to turn on the screen light.
2
Press and hold the Cancel button (a) for at least 4 seconds to
enter the Service Settings menu.
3
Go to Field Settings with the Up/Down buttons and press the
Menu/Enter button (b).
4
Press the Left/Right buttons to highlight the number under
Mode.
5
Press the Up/Down buttons to select the required mode
number.
Result:
From mode 20 and up, you also have to select a unit
number for individual control.
6
Use the Left/Right buttons to highlight the number under Unit
No..
7
Use the Up/Down buttons to select an indoor unit number.
Selecting a unit number is NOT necessary when configuring the
entire group.
8
Use the Left/Right buttons to select a switch number (0 to 15) to
change.
In case of individual settings:
Field Settings
Unit No.
0
Mode
20
Setting
Return
In case of group settings:
Field Settings
Mode
10
Setting
Return
9
Use the Up/Down buttons to select the required position
number.
10
Press the Menu/Enter (b) button and confirm the selection with
Yes.