Installation guide
027R9803
027R9803
Electric regulating valves
Type CCMT 2 – CCMT 8 / CCMT 16 – CCMT 42
Refrigerant:
R74 4
For other refrigerants, contact Danfoss.
027R9803
Stepper motor type:
Bipolar
Ambient temperature:
Min. -40 °C / -40 °F
Max. 60 °C / 140 °F
Max working pressure:
140 Bar / 2030 psig
Fluid temperature:
Min. -40 °C / -40 °F
Max. 60 °C / 140 °F
Total full steps
CCMT 2 - CCMT 8 : 1100
CCMT 16 : 800
Phase Current:
CCMT 2 – CCMT 8: 100 mA RMS
CCMT 16 – CCMT 42: 300 mA RMS
Note!
• CCMT valves are delivered in open position, ready for brazing.
• For CCMT 2 - CCMT 8, Filter with a maximum mesh of 100 m
recommended to install on the inlet line that can resists articles size
above 100 m.
Coil resistance:
CCMT 2 – CCMT 8: 52 Ohm
CCMT 16 – CCMT 42: 29 Ohm
CCMT 24 : 1400
CCMT 30 : 2300
CCMT 42 : 2200
CCMT 16 - CCMT 42.
Pressure transmitter, type MBS 8250
Connection : round packard metripack.
Supply voltage : 5 V DC ± 0.5 V
Output signal : 10 – 90 % of supply voltage.
Pressure range : 1 – 159 bar gauge / 14.5 – 2306 psi
Warning! Do not connect directly to AC / DC power source. Connect valve to appropriate controller/driver only. Do not operate valve while
assembling or disassembling.
Flow direction
CCMT 2 – CCMT 8
Flow direction
CCMT 16 – CCMT 42
027R9803
Danfoss
27H253.10
Pressure transmitter
measure at inlet A
A
Normal flow direction
For more language options
and more information on
the valve refer to the website.
ccmt.danfoss.com
Normal flow direction
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1
Mounting direction CCMT 2 - CCMT 42
1
Danfoss
27H254.10
Warning!
• Do not disassemble the valve
before brazing or welding.
• Valve must be open during
brazing and welding.
Danfoss
27H341.10
Fully closed
Danfoss
27H340.10
Open
2
Brazing
CCMT 2 - CCMT 42
Danfoss
27H300.11
N
2
max. 75 °C / 167 °F
3
2
Recommendation
Solder noz zle 4 - 6 mm
N (/32 in - 15/64 in)
For CCMT 2 – CCMT 42
Materials used for brazing:
• Flus: Metalli tenacity No. 5 Powder or Braze Tec special h paste.
• Filler: Silver-Flo 55 (BS:AG 14/ DIN L-Ag55 Sn) or Silver-Flo 56 (AWS B Ag-7).
max. 700 °C / 1300 °F
Materials
for brazing
Welding
3a
CCMT 2 - CCMT 42
max. 75 °C / 167 °F
Recommendation for TIG welding
• Power approximately 60 A.
• Use Shield gas charge - Argon.
• Material for welding - approximately
2 mm thick stainless steel alloy.
Danfoss
3b
27H302.10
Warning!
Filler metals containing Phosphor i.e. BS: CP 1/ DIN L-Ag 15P or
BS: CP 3/ DIN L-Ag P7 must not be used.
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A1
Electrical connections for CCMT 2 - CCMT 8
B1
A1
A2
B2
Danfoss
34G173.10
M12 connection
A1 / A2 = coil I
B1 / B2 = coil II
Electrical connections for
CCMT 16 - CCMT 42
Danfoss
27H253.10
Warning
Danfoss
34G166.10
B1
B2
A1 / A2 = coil I
B1 / B2 = coil II
M12 connection
A2
on CCMT valve
Pressure transmitter connections
CCMT 16 - CCMT 42
Pressure transmitter
Type MBS 8250
Ratiometric
Pin 1 (A): + supply
Pin 2 (B): – supply / common
Pin 3 (C): output
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Danfoss
34G172.11
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34G175.10
Danfoss
27H251.10
Service only
Danfoss
27H262.10
Danfoss
27H312.10
CCMT 2 - CCMT 8
1
CCMT 16 - CCMT 42
1
Danfoss
27H309.10
Danfoss
27H256.10
2
Danfoss
27H307.10
3
Danfoss
27H255.10
Compressed air
to remove dirt
5
Danfoss
27H308.10
Max. torque:
130 Nm/ 95.9 ft-lbf
Replace O-ring
Kit code no: 027H7230
2
4
Replace O-ring
Kit code no: 027H7230
Danfoss
3
Danfoss
Compressed air blown from
inside filter to remove dirt
1
Danfoss
27H304.10
2
Danfoss
27H310.10
27H261.10
Max. torque:
130 Nm/ 95.9 ft-lbf
3
Danfoss
27H305.10
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Replace O-ring
Kit code no: 027H7230
Max. torque: 30 – 35 Nm
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