Danfoss Electronics MT, MTZ, NTZ, VTZ Installation Guide
Instructions
Danfoss reciprocating compressors
MT / MTZ / NTZ / VTZ
English / English p. 2
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http://instructions.cc.danfoss.com
© Danfoss | DCS (CC) | 2018.03
8510196P04H - FRCC.PI.049.A4.ML | 1
Instructions
HM8-40
15 Nm
15 Nm
HM12-50
Danfoss reciprocating compressors
MT / MTZ / NTZ / VTZ
C
C
R
S
S
R
Never operate compressors without
terminal cover tted
1" : 80 Nm
1"1/4 : 90 Nm
1"3/4 : 110 Nm
A
B
C
230 V
TH
230 V
TH
RC
SR
5
2
RC
1
SC
1 ~ PSC
C
IOL
S
R
~ CSR
1
C
IOL
S
R
IOL
D
E
F
A: Model number D: Supply voltage, Starting current & Maximum current
B: Serial number E: Housing service pressure
C: Certication logo: Contact Danfoss F: Factory charged lubricant
MT MTZ VTZ NTZ
7.87 -
22.6
0.06 -
4.72
R404A /
R452A R448A R449A R513A R407C R134a
R507
13.2 -
12.5 -
27.3
0.84 -
6.69
11.7 -
26.0
0.6 -
6.08
27.7
1.04 -
7.2
Refrigerant
Oil
High side
pressure range
Low side
pressure range
R22 R417A* R407A** R407C R407F** R134a
160PZ-
160P
175PZ*
10.9 -
9.32 -
11.6 -
bar (g)
bar (g)
27.7
1.01 -
6.89
25.5
0.54 -
5.66
25.8
0.53 -
5.94
12.5 -
29.4
1.43 -
6.55
175PZ-160PZ 175PZ 160PZ 175PZ
12.1 -
24.0
0.99 -
6.25
Discharge temperature must be kept lower than 130°C
11.7 -
25.9
0.6 -
6.07
TH : Thermostat SR : Start Relay
SC : Start Capacitor RC : Run Capacitor
IOL : Motor Protector
8.37 -
23.36
0.21 -
5.12
* When MT compressors are used with R417A, the factory charged mineral oil 160P must be replaced by polyolester oil 160PZ-175PZ.
** R407A and R407F are not used for China Market.
Installation and servicing of the compressor by qualied personnel only. Follow these instructions and sound refrigeration engineering practice relating to
installatio n, commissioning, maintenance and service.
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.
Under all circumstances, the
EN378 (or other applicable local safety
regulation) requirements must be
fullled.
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 | © Danfoss | DCS (CC) | 2018.03
R404A/
R452A
R507
7.8 -
7.87 -
9.89 -
29.4
1.43 -
6.55
20.2
0.64 -
3.88
27.7
1.04 -
6.06
12.5 -
24.2
0.18 -
2.99
The compressor must be handled
with caution in the vertical position
(maximum oset from the vertical :
15°)
8510196P04H - FRCC.PI.049.A4.02
R404A/
R507
175PZ-
160Z/MPZ
13.2 -
27.7
0.05 -
3.34
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