Kaisai KVX-150 RHQ, Owner'S Manual

Page: 118 / 180

118
English
• Checking the fans
Check the fans once every two years.
Always disconnect the power before ac-
cessing the unit.
• Remove the heat exchanger and the filters, as
described in the previous chapters.
• Clean the fans with a soft brush or paintbrush
for fan blades and use a vacuum cleaner (D) to
remove any dust.
D
ATTENTION!: DO NOT DAMAGE THE FAN
BLADES.
- If no other operation is necessary, put all the
components back in, in the opposite order and
reconnect the power.
LEGEND
WIRING DIAGRAMS
M1-M2 = EC motor
B1 = Outdoor air temperature probe
B2 = Supply air temperature probe
B3 = Extracted stale air temperature probe
B4 = Exhaust air temperature probe
B7 = Humidity sensor
F4 = Electric resistance safety fuse
L1-L2 = External electric resistance phase signal
Q1 = Relay
R1 = External electric resistance
+-PWM = 0-10Vdc
EXTERNAL ELECTRIC RESISTANCE CON-
TROL
FC-FC = 250V 7A RELAY NO CONTACT OUTPUT
BK = Black
BN = Brown
BL = Blue
OG = Orange
RD = Red
WH = White
GNYE = Green/Yellow
(STANDARD configuration)