Daikin VAM-FA8VE Technical Data Manual page 88

7 Product Specification
1
7-2 Optional accessories
7-2-16 BRP4A50: Heater control kit
7
Installation example
Return Air
Supply Ai
Adapter
BRP4A50
Temperature thermostat (Field supply)
(Heater OFF when the temperature is at or more than
5 C)
Wiring
Power
supply
for
electric
heater
Temperature thermo.
(ON when the temperature is at or below –10 C)
Symbol
52H Relay
EH Electric heater (Bimetal switch, Temperature fuse, Thermal cut out etc. (built in)
TH3 Temperature thermostat (ON when the temperature is at or below –10 C)
TH4 Temperature thermostat (OFF when the temperature is at or more than 5 C)
Note:
Make sure to install TH3 and TH4 for safety.
Test run
After completing the installation of the system, check again to make sure that no error was made in wiring or switch setting on the printed
circuit boards of the HRV units.
Then, turn on the power of the HRV units. Refer to the manual of the remote control of each unit (remote control for air conditioner,
central control unit, etc.) for conducting a trial operation.
86
• HRV • VAM-FA8VE
HRV
Electric heater (EH)
Thermal cut out (150 C)
NFB2
52H
52H
TH3 TH4
Temperature thermo.
(OFF when the temperature is at or more than 5 C)
Part
• HRV • Heat Reclaim Ventilation
Exhaust Air
Outdoor Air
Preheater
(Field supply)
Temperature thermostat (Field supply)
(Heater ON when the temperature is at or below –
10 C)
Power supply (Field supply)
Relay box
Bimetal Temperature
switch fuse (120 C)
(85 C)
Preheater
X9A
X10A
BRP4A50
(printed circuit board
(Option)
Installation Place
Install a relay box at site
Duct
Duct (Front of EH)
Duct (behind of EH)
(HC0223)
Power supply
for HRV units
L N
HRV
(HC0224)
Field supply
Field supply
Field supply
Field supply