Instructions
2 | AN245986497033en-000801 - 8510197P05J
© Danfoss | DCS (CC) | 2020.10
The compressor must only be used for its
designed purpose(s) and within its scope of
application (refer to «operating limits»).
Consult Application guidelines and datasheet
available from cc.danfoss.com
Under all circumstances,
the EN378 (or other
applicable local safety
regulation) requirements
must be fullled.
The compressor is delivered under
nitrogen gas pressure (between 0.3 and
0.7 bar) and hence cannot be connected
as is; refer to the «assembly» section for
further details.
The compressor must be
handled with caution in the
vertical position (maximum
oset from the vertical : 15°)
Installation and servicing of the compressor by qualied personnel only. Follow these instructions and sound refrigeration engineering
practice relating to installation, commissioning, maintenance and service.
A: Model number
B: Serial number
C: Refrigerant
D: Supply voltage, Starting current & Maximum
operating current
E: Housing service pressure
F: Factory charged lubricant
1 – Introduction
These instructions pertain to the Danfoss scroll compressors DSH, SM, SY, SZ, SH & WSH scroll com-
pressors used for air-conditioning systems. They provide necessary information regarding safety and
proper usage of this product.
3 - Operating map
2- Nameplate
Danfoss scroll compressors
DSH / SM / SY / SZ / SH / WSH
A
D
E
F
B
C
70
65
60
55
50
45
40
Tc (°C)
To (°C)
SH=5K
SH=30K
35
30
25
20
15
10
5
-35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30
70
65
60
55
50
45
40
Tc (°C)
To (°C)
SH=5K
SH=30K
35
30
25
20
15
10
5
-35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30
T
C
(°C)
T
0
(°C)
-30
20
25
30
35
40
45
50
55
60
65
70
-25 -20 -15 -10 -5 0 5 10 15 20
5
30
C
T
0
(°C)
R410A - DSH090-184
R410A - DSH240-600
R410A - WSH R410A - SH