Dryair DK240 - Dryair DK250
Electrical Control Circuit
A1
1
: Remote control running lamp (Green)
A13: Remote control stand-by lamp (Red)
A20: Electronic timer
A21: Drain
T
est
A41: Remote control alarm contact
B16: Computer / Communication connection (RS485)
B17: Dewpoint analog output (4-20mA/0-100C)
EMR4: Phase protection relay
F10
: Control circuit protection
F1
1
: Control circuit protection
K20
: Drain supply test relay
P1
: Overload protector of compressor
P2
: Compressor thermal protection
P10
: Overload protector of fan motor 1
P1
1
: Overload protector of fan motor 2
PT1
: Inlet air temperature sensor (PT100)
PT2
: Heat exchanger temperature sensor (PT100)
PT3
: Low pressure line sensor (PT100)
PT4
: High pressure line sensor (PT100)
PT5
:
Ambient temperature sensor (PT100)
PT6
: Condenser outlet temperature sensor (PT100)
S2
: Limit switch
S3
: Emergency button
S5
: Remote control start button
S7
: Remote control stop button
S8
: Remote control contact
S9
: Obstruction for manual on/of
f
S10
: Fan pressure switch
S12
: High pressure safety switch
S13
: Low pressure switch
S15
: Service contact
S16
: Filter service contact
S31
: Fan heat termal 1
S32
: Fan heat termal 2
S33
: Fan heat termal 3
S34
: Fan heat termal 4
Q1
: Compressor motor cont
actor
Q10
: Fan motor cont
actor 1
Q1
1
: Fan motor cont
actor 2
V1
: By-p
ass valve
HP
: Indicates high pressure
LP
: Indicates low pressure
TH
: Indicates thermal
FIELD INST
ALLED
NOTE 1:
DRAIN SYSTEM CAN BE
TYPE 1 or
TYPE 2
Broken line cables are dependent on customer wish.
20
