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Optional Accessories: P171 - Kit For Air -45°C Mch Axial Ac; Optional Accessories: P172 - Kit For Air -45°C Axial Ac - Mitsubishi Electric t-NEXT DF DX 011 P1 S Manual

Air conditioners for it cooling with dual fluid system.to be matched with remote air-cooled condenser.
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t-NEXT DF DX
OPTIONAL ACCESSORIES: P171 – KIT FOR AIR -45°C MCH AXIAL AC
OPTIONAL ACCESSORIES: P172 – KIT FOR AIR -45°C AXIAL AC
Optional,
supplied in kit
YR
RU
1
CND1
Optional
RU
RU
SPH1
BPH1
C1
R1
BPL1
T_tNEXTDFDX_0719_EN
P171 – LOW TEMPERATURE KIT MCH AXIAL AC (GR-Z A B 50)
P172 – LOW TEMPERATURE KIT AXIAL AC (T-MATE DX-A STD)
The optional is available only for air conditioners matched with remote air-cooled condensers with axial
fans with AC electric motors:
T-MATE DX-A STD. Condensing coil with copper tubes and aluminium fins. Standard
acoustic version, up to M140 model included.
GR-Z A B 50. Condensing coil with microchannel coils.
Standard acoustic version.
The system is necessary for the correct machine start up and operation with very low ambient air
temperatures: between -20°C and -45°C.
Components for each refrigerant circuit:
A check valve (YR
conditioner, on the liquid line on the return of the remote condenser. This valve avoids the
migration of the refrigerant at liquid state in presence of very low ambient air condition.
A check valve (YR
pressure raising on the liquid pipe between the expansion valve and the check valve (YR
Electrical components installed on the electric board of the indoor unit, only for optional accessory P172
LOW TEMPERATURE KIT AXIAL AC (T-MATE DX-A STD):
Electronic phase-cut regulators for fans speed control;
Terminals for electric connections to the remote condenser;
Electrical power supply for remote condenser from the indoor machine electrical board.
The optional "P172 Kit for air -45°C axial AC" requires mandatory accessory "P191 Power supply for
condenser".
RU
VS
RL
YR
2
FG
IP
IP
VE
VE1
T1
T2
EVP
), supplied in kit. The valve must be installed indoor, near to the air
1
), with controlled opening, installed in factory within the unit. It limits the
2
LEGENDA
C1
R1
CND
EVP
DF
M1
BPH
BPL
SPH
VS
FG
IP
VE
T
RU
RL
DF
YR1
YR2
M1
Tin
36
Compressor
Crankcase heater
Condenser.
Evaporator.
Dual Fluid coil.
Dual Fluid 2-way valve.
High pressure transducer.
Low pressure transducer.
High pressure switch
Pressure relief valve on model:
041 / 045 P1 S
075 / 082 / 092 / 102 P2 D
117 / 146 P4 D
Refrigerant filter.
Sight glass.
Expansion valve.
Temperature probes.
Valves
Liquid receiver
Check valve to be installed on the
liquid line close to the machine
inside the room
Unidirectional check valve with
controlled opening that limits
pressure rising on the liquid line
MEHITS S.p.A.
DATA BOOK
).
1

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