Danfoss DSH Instructions

Instructions
Danfoss scroll compressors
DSH / SM / SY / SZ / SH / WSH
Installation and servicing of the compressor by qualified personnel only. Follow these instructions and sound refrigeration engineering
practice relating to installation, commissioning, maintenance and service.
3 - Operating map
R410A - DSH090-184
70
65
60
55 SH=5K
50
45 SH=30K
40
35
30
25
20
15
10
5
-35 -30 -25 -20 -15 -10 -5 0 5 10
To (°C)
R410A - DSH240-600
70
65
60
55 SH=5K
50
SH=30K
45
40
35
30
25
20
15
10
5
-35 -30 -25 -20 -15 -10 -5 0 5 10
To (°C)
R410A - SH
5
30
T (°C)
0
R452B / R454B DSH090-184
(dedicated references)
70
DSH120/140/161/184
65
DSH090/105
60
55 SH=5K
50
45
40
35
30
25
20
15
10
5
-35 -30 -25 -20 -15 -10 -5 0 5
To (°C)
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
2 | AN24598649703302en-000501 - 8510197P05F
1 – Introduction
These instructions pertain to the Danfoss scroll compressors DSH, SM, SY, SZ, SH, DSF & WSH scroll
compressors used for air-conditioning systems. They provide necessary information regarding safety
and proper usage of this product.
2- Nameplate
A
B
C
70
65
60
55
50
45
40
35
30
25
20
-30
15 20 25 30
R407C Dew point Conditions - SZ084-185
15 20 25 30
R407C Dew point Conditions - SY240-380
R452B / R454B - DSH240-485
(dedicated references)
70
65
60
55 SH=5K
50
45
40
35
30
25
20
15
10
5
10 15 20 25 30 -35 -30 -25
Under all circumstances,
the EN378
applicable
regulation)
must be fulfilled.
R410A - WSH
-25 -20 -15 -10 -5 0 5 10 15 20
T (°C)
0
T (°C)
0
T (°C)
0
-20 -15 -10 -5 0 5 10 15 20 25
To (°C)
The compressor is delivered under
nitrogen gas pressure (between 0.3 and
(or other
0.7 bar) and hence cannot be connected
local safety
as is; refer to the «assembly» section for
requirements
further details.
A: Model number
B: Serial number
C: Refrigerant
D: Supply voltage, Starting current & Maximum
D
operating current
E: Housing service pressure
E F: Factory charged lubricant
F
R404A & R507A - SZ084-185
T (°C)
0
R134a - SZ084-185
T
0
R134a - SY240-380
T
0
R22 & R417A - SM - SY
5
T
0
When SM compressors are used with R417A,
the factory charged mineral oil 160P must be
30
replaced by polyolester oil 160SZ.
The compressor must be
handled with caution in the
vertical position (maximum
offset from the vertical : 15°)
© Danfoss | DCS (CC) | 2019.01
(°C)
(°C)
(°C)