Bom Variation; Application Range; Qualified Refrigerants And Oils; Application Limits - Emerson Copeland Scroll ZR24KRE Application Manuallines

BOM Variation

2.3
The BOM (bill of material) number at the end of the compressor designation indicates the compressor
layout and details.
ZR24KRE to ZR92KRE:
BOM 455 braze connections, oil sight glass, oil service connection, IP21 T-box, no mounting parts.
ZR108KRE to ZR190KRE:
BOM 455 braze connections, oil sight glass, oil service connection, IP21 T-box, no mounting parts.
BOM 411 braze connections, oil sight glass, oil service connection, IP65 T-box, no mounting parts.
Please refer to the Emerson price list for more details.

Application range

2.4

2.4.1 Qualified refrigerants and oils

IMPORTANT
It is essential that the glide of refrigerant blends (primarily R450A) be carefully
considered when adjusting pressure and superheat controls.
IMPORTANT
Refrigerant blends with low GWP containing HFOs have a low chemical
stability in presence of air or humidity. This requires the same level of
cleanliness, dryness and evacuation of the refrigerant circuit as in HFC and
POE applications including the use of filter dryers.
Compressor
Qualified refrigerants
Copeland™ brand
products standard oil
Servicing oils
Table 2: Qualified refrigerants and oils.
Oil recharge values can be taken from Copeland™ brand products Select software available at
www.climate.emerson.com/en-gb.

2.4.2 Application limits

CAUTION
Inadequate lubrication! Compressor breakdown! The superheat at the
compressor suction inlet must always be sufficient to ensure that no refrigerant
droplets enter the compressor. For a typical evaporator-expansion valve
configuration a minimum stable superheat of at least 5 K is required.
For application envelopes and technical data, please refer to Copeland™ brand products Select
software available at www.climate.emerson.com/en-gb.

2.4.3 PED category and maximum allowable pressure PS

Compressor models ZR24KRE to ZR92KRE are classified as category 1 and models ZR108KRE to
ZR190KRE are classified as category 2, according to the Pressure Equipment Directive
PED 2014/68/EU.
Compressor
ZR24KRE to
ZR92KRE
ZR108KRE to
ZR190KRE
Table 3: Maximum allowable pressures and temperatures
4
ZR24KRE to ZR92KRE
R450A, R513A
Emkarate RL 32 3MAF
Emkarate RL 32 3MAF
Mobil EAL Arctic 22 CC
PS
High-pressure Low-pressure
side
29 bar(g)
32 bar(g) 20.5 bar(g)
ZR108KRE to ZR190KRE
Emkarate RL 32 3MAF
Emkarate RL 32 3MAF
Mobil EAL Arctic 22 CC
PS
Low-pressure
side side
21 bar(g) 50 °C
53 °C
R513A
TS
PED
category
1
2
AGL_AC_ST_ZRKRE_E_Rev01