Bitzer K073 Series, Operating Instructions Manual

Page: 29 / 68

KB-200-5 29
Component Scope of deliv-
ery
Stand. Opt.
1 Compressor x
1a Discharge gas shut-off
valve x
1b Suction gas shut-off valve x
2 Condenser, air-cooled x
2a Condenser fan x
3 Condensate line x
4 Liquid receiver x
4a Liquid shut-off valve x
5 Condenser, water-cooled x
6 Discharge gas line x
7 Pulsation muffler, vibration
eliminator (Anaconda) for
LH265E/.. x
8 Oil separator x
9 Check valve x
10 Liquid line x
11 Filter drier x
12 Sight glass x
13 Suction gas line (insulated) x
17 LP limiter x
18 LP limiter x
19 HP cut-out x
20 Safety pressure cut-out x
21 Control line x
24 Solenoid valve x
The components marked by * in the figures are not in-
cluded in every condensing unit.
5 Application ranges
Permitted refri-
gerant ① R134a, R404A, R407A, R407C,
R407F, R448A, R449A, R450A ,
R507A, R513A, R454A, R454C,
R455A, R1234yf, R1234ze(E), R22
Oil charge ② t
c
< 70°C BITZER BSE32
t
c
> 70°C BITZER BSE55
R22: BITZER B5.2
Maximum al-
lowable pres-
sure (PS) LP: 19 bar, HP: 32 bar [HP: 25 bar
for L05/0(Y) .. LH124E/VII(Y) und
K033N(B) .. K573H(B)/VIIW(Y)]
For application limits, see brochures KP-104, KP-114,
KP-150, KP-510, KP-520 or BITZER SOFTWARE.
① Further refrigerants upon request. Not all types and
configurations have been approved for all refrigerants
(see chapter Use restrictions for flammable refriger-
ants, page 30).
② For alternative oils, see Technical Information
KT-500 and KT-510.
WARNING
Risk of bursting due to counterfeit refrigerants!
Serious injuries are possible!
Purchase refrigerants only from reputable man-
ufacturers and reliable distributors!
5.1 Maximum allowable pressure
The whole system must be designed and operated
such that the maximum allowable pressure (PS) cannot
be exceeded in any part of the system (see name plate
details).
Pressure relief valves on receivers (pressure vessels)
are absolutely necessary if:
• it is to be expected that the maximum allowable
pressure will be exceeded due to external heat
sources (e.g. fire).
• the entire refrigerant charge of the system is more
than 90% of the pressure vessel volume at 20°C (ca-
pacity). The vessel volume is defined as the volume
between the valves upstream and downstream of a
pressure vessel lockable during normal operation.
• a check valve is located between condenser and re-
ceiver.
Safety switching devices
According to local regulations, additional pressure-limit-
ing safety devices must be provided.