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Summary of Contents for Marstair MMC
- Page 1 TECHNICAL MANUAL UNITS MMC AND MCUA CONDENSING UNITS 55008381-06...
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Page 2: Table Of Contents
INDEX CONTENTS PAGE GENERAL INFORMATION PART NUMBERS FEATURES & OPTIONS and KITS DIMENSIONS & WEIGHTS SPECIFICATION DETAILS PERFORMANCE DATA INSTALLATION 10-12 MOUNTING DIMENSION DIAGRAMS 12-15 PIPEWORK PIPE CONNECTIONS REFRIGERANT FANS SERVICING ELECTRICAL – WIRING DIAGRAM 20-21 2/21 55008381-06... -
Page 3: General Information
Matched MMC units and evaporators are to be installed in safe areas. All of Marstair’s equipment, including the complete line of accessories, have been manufactured with the most rigorous manufacturing processes, quality systems and quality assurance procedures. The equipment, testing, manufacturing and control activities comply with CEE regulations, in particular, with current safety regulations. -
Page 4: Part Numbers
PART NUMBERS MCUA Part Number Description Case material Frequency Heat Exchanger - Hz Material 55051007 MCUA 15-30 3/60/460 SS Stainless Steel 316 Copper Aluminium 55051008 MCUA 40 3/60/460 SS Stainless Steel 316 Copper Aluminium 55051009 MCUA 50-80 3/60/460 SS Stainless Steel 316 Copper Aluminium 55051010 MCUA 90-100 3/60/460 SS... - Page 5 Frequency Part Number Description - Hz With Neutral Star No Neutral Delta 55052001 MMC30 3/50/400 Star 55052002 MMC40 3/50/400 Star 55052003 MMC50 3/50/400 Star 55052004 MMC60 3/50/400 Star 55052005 MMC80 3/50/400 Star 55052006 MMC90 3/50/400 Star 55052007 MMC100 3/50/400 Star 55052008 MMC130 3/50/400 Star...
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Page 6: Features & Options And Kits
MCUA Easy access for installation and service Suction and liquid services valves Capacitor start relay 1ph (MMC 30-40) PTC resistor 1ph Hot gas bypass valve LP cut-out auto HP cut-out auto ... -
Page 7: Dimensions & Weights
Depth mm Weight kg SPECIFICATION DETAILS MMC & MCUA Nominal cooling 10.9 12.4 13.9 14.7 17.1 19.9 capacity 3Ph (400v 50Hz) MMC Power (nominal) Starting current LRA Nominal current FLA 11.9 16.9 Condenser Fan MCUA Model 50-80 90-100 130-165 180-200 Airflow (m³/s) - Page 8 MMC Sound power levels Frequency Hz 8/21 55008381-06...
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Page 9: Performance Data
PERFORMANCE DATA MMC & MCUA CAPACITIES SATURATED SUCTION TEMPERATURE °C AIR ON TO MODEL -2.5 CONDENSER COOLING CAPACITY AND POWER INPUT kW °C CAP. POWER CAP. POWER CAP. POWER CAP. POWER CAP. POWER CAP. POWER 2.87 1.02 3.22 1.05 3.53 1.06... -
Page 10: Installation
INSTALLATION Commissioning Reception verification The packaging must not show any signs of incorrect handling at reception. Perform a visual inspection of the equipment to make sure that it has not been damaged during transport and that the damage does not affect the correct operation. - Page 11 The units manufactured by Marstair have been specially designed to allow easy assembly on walls and floors. Ensure the fan heat exchanger is not deformed mechanically during installation. The location, arrangement and dimensions of fixing drills are standardised and are designed to offer the level of safety and stability required.
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Page 12: Mounting
Leave space around the unit for air circulation and access for installation and maintenance. 100 min 100 min 600 min MCUA Air circulation guide 1500 min air off Dimensions in mm. WEIGHTS MCU+ MMC Units must be installed in a safe area.& DIMENSIONS MCUA 15-40 12/21 55008381-06... - Page 13 MCUA 50-80 MCUA 90-100 13/21 55008381-06...
- Page 14 MCUA 130-165 MCUA 180-200 14/21 55008381-06...
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Page 15: Pipework
MMC 15-180 PIPEWORK CALCULATING EQUIVALENT LENGTHS The effects of bends and fittings must be taken into account. The table on top of page 5 covers the fittings most likely to be encountered in installation. ACTUAL PIPE LENGTH + TOTAL EQUIVALENT FITTING LENGTHS = TOTAL EQUIVALENT LENGTH... -
Page 16: Pipe Connections
Discharge Liquid INTERCONNECTING PIPEWORK MMC and MCUA units have a low pressure charge of N , which may be safely released into the atmosphere before connection. The service valves on the units should remain closed (IN, fully clockwise) until pipework has been fitted, to avoid unnecessary moisture ingress. -
Page 17: Refrigerant
Always use two spanners when tightening the flare nuts to avoid twisting the pipes. Use a small amount of refrigerant oil on the mating surfaces. e. Sight glasses and filter driers are not necessary, but if required should be fitted between the outdoor unit liquid shut off valve and the expansion device. -
Page 18: Fans
ISO 10816-1; Mechanical vibration. Evaluation of machine vibrations. 2.Validity These instructions are valid for the units manufactured by Marstair, with the construction required to operate in potentially explosive environments (Ex II 2 G). 3. Previous Verifications We advise that you check the requirements related to methods of protection in explosive environments, for... -
Page 19: Servicing
WARNING The servicing activities will only be carried out after it has been turned off. MCUA and MMC have a functional design and robust construction. Therefore, they do not require much servicing activities for a correct operation. The fan motor metallic parts are protected against rust with a rustproof paint finish (free from steel rust) and are dried at a temperature of 200ºC in a furnace after the degreasing and phosphate coating process. - Page 20 WIRING DIAGRAM 20/21 55008381-06...
- Page 21 TEV LTD, ARMYTAGE ROAD, BRIGHOUSE, WEST YORKSHIRE, HD6 1QF. TEL: + 44 (0) 1484 405600 FAX: +44 (0) 1484 405620 EMAIL: sales@marstair.com WEB: www.marstair.com 21/21 55008381-06...
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