![background image](http://html1.mh-extra.com/html/carrier/mmy-map0724ft6ul/mmy-map0724ft6ul_service-manual_2561391053.webp)
– 53 –
5-2. All Cooling mode (Operation of cooling only) when outside temperature is low
(Standard: 50°F or lower)
Outdoor header unit (MMY-MAP0964FT
∗
UL)
Outdoor follower unit (MMY-MAP0724FT
∗
UL)
PMV2
PMV1
PMV4
FM
Fan motor
Fan
FM
Fan motor
Fan
TO
TO
Right side
Main
heat exchanger
Main
heat exchanger
Right side sub heat exchanger
Left side
Left side sub heat exchanger
Right side
Main
heat exchanger
Main
heat exchanger
Right side sub heat exchanger
Left side
Left side sub heat exchanger
SV
SV
SV
SV
SV
SV
SV
SV
SV
SV
SV
SV
SV
SV
TE1
TE2
PMV2
PMV1
PMV4
TE2
SV11
SV
SV11
SV
SV5
SV
SV5
SV6
SV
SV6
Check joint
( High pressure)
High pressure
sensor
Check joint
( High pressure)
High pressure sensor
SV2
SV
SV2
SV42
SV43
TD3
TK3
SV3F
TK2
Oil header
Oil header
SV3B
SV
SV3B
Balance pipe
Liquid pipe
Dischage gas pipe
Suction gas pipe
SV3A
SV
SV3A
TK5
TK5
TK1
TK2
TK1
TK4
TD2
SV
SV42
TD2
SV3D
Oil separator
SV
SV3D
Oil separator
SV41
TL
FP
FP
Liquid
tank
Liquid
tank
SV14
SV
SV14
Check
joint
(Liquid
pipe)
Check
joint
(Liquid
pipe)
SV3E
SV
SV3E
TD1
SV
SV41
TD1
Comp.
1
High
pressure
SW
High
pressure
SW
High
pressure
SW
High
pressure
SW
(Inverter)
Comp.
1
(Inverter)
Comp.
2
Comp.
3
(Inverter)
Comp.
2
(Inverter)
(Inverter)
SV3C
SV
TK4
SV3C
Accumulator
Accumulator
TS2
Low
pressure
sensor
TS1
4-way
valve
SVD
SVD
SVD
SVS
SVS
SVS
SVDD
SVDD
SVDD
SVSS
SVSS
SVSS
PMV
PMV
PMV
PMV
TC1
TC1
TC1
Cooling
Cooling
Cooling
Stop
Indoor unit
FS unit
TC2
TCJ
TC2 TCJ
TC2 TCJ
TC1
TC2 TCJ
SV
SV
SV
SVD
SV
SV
SVDD
SV
SV
SV
SV
SV
SV
SV
SVSS
SV
SV
SVS
SV
SV
Fusible
plug
High
pressure
SW
Fusible
plug
Check
joint
(Low
pressure
TS2
Low
pressure
sensor
TS1
4-way
valve
Check
joint
(Low
pressure
4-Way valve
SV4(n)
SV5
SV6
SV11
SV14
PMV4
PMV1, 2
ON
OFF
Control
Control
ON
OFF
SV3A
SV3B
SV3C
SV3D
SV3E
SV3F
Outdoor fan
Outdoor Unit
Control
Control
Control
Control
ON
Control
Control
FS unit / indoor unit
Cooling thermo ON
SVD
SVS
SVDD
SVSS
PMV
Stop
OFF
ON
ON
ON
Control
SVD
SVS
SVDD
SVSS
PMV
(14 Ton system described in the example of (8 Ton + 6 Ton))
High-pressure gas refrigerant
Condensed liquid refrigerant
Evaporative gas refrigerant (Low pressure)
Pressure circuit (High-pressure refrigerant)
Low-pressure circuit (Refrigerant recovery line)
OFF
OFF
OFF
ON
Close
The outdoor unit which communication line between indoor and outdoor is connected is the “Header unit”.
Other outdoor units are called “Follower units”.
FP
Fusible
plug
FP
Fusible
plug
Summary of Contents for MMY-MAP0724FT6UL
Page 35: ...35 3 5 Parts Layout in Outdoor Unit 072 type Model MMY MAP0724FT...
Page 36: ...36 096 120 type Model MMY MAP0964FT MAP1204FT...
Page 37: ...37 3 6 Parts Layout in Inverter Assembly 208 230V model MMY MAP0724FT9UL...
Page 38: ...38 208 230V model MMY MAP0964FT9UL MMY MAP1204FT9UL...
Page 39: ...39 460V model MMY MAP0724FT6UL...
Page 40: ...40 460V model MMY MAP0964FT6UL MMY MAP1204FT6UL...
Page 41: ...41 3 7 Outdoor Inverter print circuit board 3 7 1 Interface P C board MCC 1606...
Page 42: ...42 3 7 2 Inverter P C board for compressor MCC 1595 A3 IPDU For 208 230V model MMY MAP 4FT9UL...
Page 43: ...43 3 7 3 Inverter P C board for compressor MCC 1596 A3 IPDU For 460V model MMY MAP 4FT6UL...
Page 44: ...44 3 7 4 Inverter P C board for fan motor MCC 1610 FAN IPDU...
Page 45: ...45 3 7 5 Noise Filter P C board MCC 1608 A B For 208 230V model MMY MAP 4FT9UL...
Page 46: ...46 3 7 6 Noise Filter P C board MCC 1625 A B C For 460V model MMY MAP 4FT6UL...
Page 195: ...195...
Page 197: ...197...
Page 257: ...257 15 EXPLODED DIAGRAM PARTS LIST Outdoor unit 15 1 MMY MAP0724FT9UL...
Page 258: ...258 15 1 MMY MAP0724FT9UL...
Page 262: ...262 15 1 Inverter Assembly MMY MAP0724FT9UL...
Page 264: ...264 15 2 MMY MAP0964FT9UL MMY MAP1204FT9UL...
Page 265: ...265 15 2 MMY MAP0964FT9UL MMY MAP1204FT9UL...
Page 269: ...269 15 2 Inverter Assembly MMY MAP0964FT9UL MMY MAP1204FT9UL...
Page 271: ...271 15 3 MMY MAP0724FT6UL...
Page 272: ...272 15 3 MMY MAP0724FT6UL...
Page 276: ...276 15 3 Inverter Assembly MMY MAP0724FT6UL...
Page 278: ...278 15 4 MMY MAP0964FT6UL MMY MAP1204FT6UL...
Page 279: ...279 15 4 MMY MAP0964FT6UL MMY MAP1204FT6UL...
Page 283: ...283 15 4 Inverter Assembly MMY MAP0964FT6UL MMY MAP1204FT6UL...