Delta 21CK018C24 Instruction Manual page 59

be damaged, it should be replaced by the exclusive cable.
☆ All electric installation must be done by professional personnel according to local law,
regulation and this manual.
☆ It should be reliably earthed, and it should be connected to the special earth device, the installation
work should be operated by the professional.
☆ The creepage protect switch and air switch must be installed.
Air switch should have the thermal dropout and magnetic dropout function, in order to avoid the
short circuit and overload.
☆ The on spot connection should refer to the circuit diagram, which is stuck on the unit body.
The model selection recommend table for air switch and power cable
Model
21CK018C24
21CK024C24
21CK036C24
21CK048C24
21CK060C24
1、The power cable used in the unit is copper cable, the working temperature should not exceed the specified value.
2、If the power cable is longer than 15 meters, please enlarge the cross section of power cable adequately, in order to
avoid the accident due to overload.
Power Capacity
supply of air
switch(A)
220V~ 20
220V~ 25
220V~ 32
220V~ 40
220V~ 50
58
Outdoor Indoor
power power
supply supply
cord cord
2
(mm ) (mm
3×2.5 3×4.0
H07RN-F H07RN-F
3×2.5 3×4.0
H07RN-F H07RN-F
3×6.0 3×1.0
H07RN-F H07RN-F
3×10.0 3×1.0
H07RN-F H07RN-F
3×16.0 3×1.0
H07RN-F H07RN-F
2
)