Marstair MCU+ 180-200 Technical Manual Download Page 9

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MCU+ 180 COMPONENT IDENTIFICATION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
 
 
 
 
 
 

 
 
 

 

TEV LTD, ARMYTAGE ROAD, BRIGHOUSE, WEST YORKSHIRE, HD6 1QF. 

TEL: 

+ 44 (0) 1484 405600 

FAX: 

+44 (0) 1484 405620 

EMAIL: 

[email protected] 

WEB

www.marstair.com 

1

 

Lid

 

 

13

 

Rear access panel

 

 

25

 

Handle

 

2

 

Fuse terminal

 

 

14

 

Bulkhead panel

 

 

26

 

Front access panel

 

3

 

Fuse

 

 

15

 

HP switch (manual: 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

 

Service valve (suction)

 

 

31

 

Fan motor assembly

 

8

 

End clamp

 

 

20

 

Valve panel

 

 

32

 

Head pressure control pcb

 

9

 

Overload

 

 

21

 

Base

 

 

33

 

Power board (MHPUE)

 

10

 

Heat exchanger

 

 

22

 

Mounting foot

 

 

34

 

3 minute timer pcb

 

11

 

Fan capacitor

 

 

23

 

LP switch

 

 

35

 

Compressor capacitor (1Ph)

 

12

 

Mains terminal cover

 

 

24

 

Compressor

 

 

36

 

Electrics box

 

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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