Installation manual
9
250FC
Total Heat Exchanger
HRV (Heat Reclaim Ventilation)
4P415946-1 – 2015.08
How to install the optional adapter circuit board
(KRP2A61, KRP50-2)
When installing the optional adaptor circuit board, it is necessary to
prepare the fixing box (KRP50-2A90)
1
Open the electrical compartment cover by following the
procedure described in the section
2
Remove the securing screw, and install the adapter circuit
board.
3
After the wires are connected, fasten the electrical compartment
cover.
Installation
How to install the optional heater control kit (BRP4A50)
When operating the HRV units at or below –10°C of the outdoor air
temperature, use a field supplied preheater to preheat outdoor air.
The BRP4A50 kit is required to have an ON/OFF delay control when
a preheater is used (initial setting is required).
Install the heater control kit to the outside of the switch box of the
HRV unit as shown below.
For more detailed information on how to install the BRP4A50 option
kit, see the installation manual delivered with the option kit.
KRP50-2A90
Components
Fixing screw
3 pieces
Clamp
2 pieces
1
5
4
3
2
3
A
B
1
Fixing board
2
PCB support (Attached to adapter PCB)
3
Fixing screw
4
Lid
5
Switch box
Applicable adapter name
Kit name
A
Adapter PCB for Humidifier
KRP50-2
B
Adapter PCB Remote controller
KRP2A1
CAUTION
■
For electric heater, safety devices, and installation
location, follow the standards or regulations of each
country.
■
Use a nonflammable duct for the electric heater. Be
sure to keep a distance of
≥
2 m between the heater
and HRV unit for safety.
■
Use a different power supply and different circuit
breaker for the HRV units and electric heaters.
■
For setting the initial setting on the remote controller,
see 19(29)-8-03 or 19(29)-8-04 in chapter
1
Switch box
2
Heater control kit
3
Fixing screw
4
Lid
4
3
1
2
3
Summary of Contents for VAM250FC
Page 22: ...NOTES...
Page 23: ...NOTES...
