Legend To The Dimensional Drawings; Customised Versions - Bitzer K033N Instructions De Service

Model L
K6703TB 545
K8503NB 545
K8503TB 545
Model
mm
K3803TB(P) 76
K4803TB(P) 76
K6703NB 76
K6703TB 76
K8503NB 76
K8503TB 76
Tab. 10: The additional refrigerant outlet position 2a is available as standard with all T versions.
K3803TB(P) to K8503TB: DN80
The connection is delivered with sealing nut or blind flange, if desired also with a valve.
With K6703NB and K8503NB no additional refrigerant outlet is available.

4.9 Legend to the dimensional drawings

Connection positions
1 Refrigerant or oil inlet
2 Refrigerant or oil outlet
2a Alternative refrigerant outlet
3 Coolant inlet
3a 4 or 6 pass
3b 2 or 3 pass
4 Coolant outlet
4a 4 or 6 pass
4b 2 or 3 pass
5 Coolant drain
6 Connection for pressure gauge
7 Connection for pressure relief valve
Internal thread 3/8-18 NPTF, external
thread 1 1/4-12 UNF
8 Sight glass
9 Oil drain
10 Vent plug
11 Fixing rails, bottom
12 Fixing rails, top
Dimensions (if specified) may have tolerances accord-
ing to EN ISO 13920-B.
48
R R1 S
80 80 374
80 80 374
80 80 374
Refrigerant connections, positions 1 and 2
buching
inlet Ø
inch mm
3 1/8 76
3 1/8 76
3 1/8 76
3 1/8 76
3 1/8 76
3 1/8 76
T U U1 U2
111 381 381 381
– – –
111 381 381 381
outlet Ø
inch
3 1/8
3 1/8
3 1/8
3 1/8
3 1/8
3 1/8
The legend applies to all water cooled shell and tube
condensers and discharge gas desuperheaters of the K
series and to all oil coolers of the OW series and in-
cludes connection positions that do not exist in every
series.

4.10 Customised versions

A specially designed pressure equipment can be real-
ised according to a customer's specifications. The last
identification letter of the model designation in this case
is a "C". One or more of the following components on
the special model does/do not have the listed dimen-
sions:
• refrigerant inlet
• refrigerant outlet
• additional refrigerant outlet according to the model
• connection for pressure relief valve
• lower fixing brackets
V W X
360 420 406
– 360 420 406
360 420 406
thread/flange
inlet
DN80
DN80
DN100
DN100
DN100
DN100
Y Z
200 244
200 244
200 244
outlet
DN80
DN80
DN100
DN100
DN100
DN100
DB-200-6