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                                                                                                           -2-                                                                               55008386-05 

550 Series CONDENSING UNITS (MCU/MCU+) 

 

MCU+ 3Ph 

Scroll

 

180

 

200 

 

R134A

 

TBA

 

55033054 

 
 

 

 

 

UNPACKED DIMENSIONS AND WEIGHTS

 

CONDENSING UNITS

 

 

Model 

 

MCU+ 180

 

MCU+ 200 

HEIGHT* mm 

 

1275

 

1275 

WIDTH mm 

 

1100

 

1100 

DEPTH mm 

 

425

 

425 

WEIGHT 

kg

 

3 Ph

 

118

 

173 

 
*Includes 60mm for mounting feet.

 

 

 

 
 
PACKED DIMENSIONS AND WEIGHTS

 

CONDENSING UNITS

 

 

 

 

 

 

 

 

 

 

 

 

Model

 

MCU+ 180

 

MCU+ 200 

HEIGHT mm

 

1280

 

1280 

WIDTH mm

 

1215

 

1215 

DEPTH mm

 

465

 

465 

WEIGHT 

kg

 

3 Ph

 

123

 

178 

 

 
 
 

FEATURES/ACCESSORIES

 

OUTDOOR

 

 

MCU+

 

Fan speed head pressure control

 

STD

 

LP cutout auto

 

STD

 

HP cutout auto

 

STD

 

HP cutout manual

 

*

 

Isolator 

 

*

 

Low ambient start / 3 minute delay

 

STD

 

Wall mounting brackets

 

*

 

Contactor

 

STD

 

Overload (standard on 3Ph)

 

STD

 

Compressor jacket

 

*

 

Volt free alarm relay

 

*

 

 
Key:     * = site option    STD = standard

 

 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for MCU+ 180-200

Page 1: ...Marstair Ltd recommend that personnel working on this equipment be skilled and fully conversant with the appropriate Air Conditioning Refrigeration and Electrical practices and have sound knowledge o...

Page 2: ...nting feet PACKED DIMENSIONS AND WEIGHTS CONDENSING UNITS Model MCU 180 MCU 200 HEIGHT mm 1280 1280 WIDTH mm 1215 1215 DEPTH mm 465 465 WEIGHT kg 3 Ph 123 178 FEATURES ACCESSORIES OUTDOOR MCU Fan spee...

Page 3: ...n cooling mode add 3dBA or 3NC for units at an intersection of a wall add 1dBA or 1NC for high level wall mounted units ELECTRICAL DATA Cooling Data rated at 55C external conditions MCU 180 200 FAN MO...

Page 4: ...C LP The installer will require 2 open ended spanners for securing the flare fittings A 4 or 5mm Allen Key for the valves dependant on valve type Note It is easier to fit kits prior to mounting the un...

Page 5: ...or unit are shown in the table opposite Use of these sizes and lengths is recommended in order to achieve optimum system performance SUCTION LINE SIZE LIQUID LINE SIZE MCU 0 6M 6 15M 15 21M 21 45M 0 2...

Page 6: ...tems require a supply to the outdoor ducted unit with connecting cables run to the indoor unit SCROLL COMPRESSOR ROTATION On 3 Phase units it is possible for the scroll compressor to run backwards Thi...

Page 7: ...to adjust this to suit site conditions to raise or lower the nominal head pressure a With the system switched off connect a high pressure gauge to the liquid line service valve b Switch on the system...

Page 8: ...ug and make sure that it is properly fitted IP65 protection requires firmly sealed plug NOTES Tolerances for condensing temperatures setpoint 2K SAGINOMIYA XGE 4C R134A 140 145 psig 9 7 10 barg at 32...

Page 9: ...Accessory 27 Fan guard 4 Terminal screw screw 16 Reversing valve MHPUE 28 Fascia panel 5 Terminal 4 way 17 29 Corner panel 6 Contactor 18 Service valve expansion 30 Support bracket 7 Earth terminal 19...

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