Compressor Model Designation; Nomenclature - Danfoss R134a Application Manuallines

Application Guidelines

Nomenclature

Family, lubricant
& refrigerant
SZ
SY
Family, lubricant
& refrigerant
SM: Scroll, Mineral oil, R22/R417A*
SY: Scroll, POE lubricant, R22/R417A/
R407C/R134a/R513A**
SZ: Scroll, POE lubricant, R407C - R134a
(R404A, R507A for SZ084 to SZ185, R513A
for SZ148 to SZ185 **)
Nominal capacity
in thousand Btu/h at 60 Hz, R22,
ARI conditions
Motor voltage code
3: 200-230V/3~/60 Hz
4: 380-400V/3~/50 Hz - 460V/3~/60 Hz
SY380: 380-415V/3~/50 Hz - 460V/3~/60 Hz
6: 230V/3~/50 Hz
7: 500V/3~/50 Hz - 575V/3~/60 Hz
9: 380V/3~/60 Hz
SY380: 380-400V/3~/60 Hz
* When SM compressors are used with R417A, the factory charged mineral oil 160P must be replaced by polyolester oil 160SZ
** Only motor voltage 4 are qualified with R513A
4
AB237986441643en-010801

Compressor model designation

Danfoss scroll compressors are available
both as single compressors and as tandem
units. The example below presents the single
compressor nomenclature which equals the
technical reference as shown on the compressor
nameplate.
Nominal capacity
185 -
300 A
Motor protection type
Internal overload protector
Internal thermostat
Electronic protection
module
Code numbers for ordering list are in section
"Ordering information & packaging".
For tandem and trio assemblies, please refer
to the Danfoss Parallel Application Guidelines
documentation FRCC.PC.005.
Voltage Version Evolution
index
4 R C
7 CA A
Connection
V : brazed
A
: brazed
C : brazed
R
: rotolock
P
: brazed
X
: brazed
Y
: rotolock
CA C: brazed
CB
PA P: rotolock
PB
CA C: brazed
CB
Single compressors
Single compressors
Module voltage Applies to
S 084-090-100-110-120-148-161
S 112-124-147
S175-185
24V AC
110-240V
S 185
110-240V
A: 24V AC
B: 110-240V
S 240 - 300
A: 24V AC
B: 110-240V
A: 24V AC
S 380
B: 110-240V