Delta 21CK018C24 Instruction Manual page 52

No Names
1 1/2 Copper seal cap
2 Coupling nut
3 Filter (60 mesh)
4 Joint
(2) During connection, remove the plastic seal cap at one end of the throttle valve ( Part 8 in the above
fig 10)
(3) Remove the end cap of liquid pipe joint (Note: Flange is equipped with the liquid pipe joint of
ducted type unit)
(4) Confirm the specification of cooling/heating throttle orifice according to model of the unit (marked
on the unit).
Model of Unit
21CK018C24
21CK024C24
21CK036C24
21CK048C24
21CK060C24
(5) Installation of cooling throttle orifice
Put the cooling throttle orifice confirmed according to above table onto the valve base of liquid pipe
joint.
Notice! Pay attention to specification and installation direction of throttle orifice.
Cooling throttle orifice
Fig 10
No.
5
6
7
8
Fig 11
Cooling throttle orifice
047#
056#
065#
081#
081#
Seal ring
Fig 12
51
Names
Valve base A
Joint
Seal ring
Seal cap
Heating throttle orifice
040#
045#
057#
080#
080#