Heronhill - for all your Marstair requirements INDEX CONTENTS PAGE GENERAL. PART NUMBERS, DIMENSIONS & WEIGHTS, FEATURES & ACCESSORIES, UNIT COMBINATIONS. SYSTEMS & PERFORMANCE, ELECTRICAL HEATING, AIR FLOWS. SOUND POWER AND SOUND PRESSURE LEVELS, ELECTRICAL DATA. 5 – 6 ELECTIRAL LOADS.
Heronhill - for all your Marstair requirements PART NUMBERS Electromechanical Models IMPACT 20 IMPACT 40 IMPACT 60 53700001 53700002 53700003 Part Number IMPACT 20E IMPACT 40E IMPACT 60E Electronic Models 53700011 53700012 53700013 Part Number DIMENSIONS AND WEIGHTS ( for dimensions, weights and sizes of outdoor units refer to outdoor...
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Heronhill - for all your Marstair requirements AIR CONDITIONER SYSTEMS AND PERFORMANCE (kw) UK CONDITIONS NEMA (EUROVENT) TROPICAL ROOM 21°C/15°C ROOM 27°C/19°C ROOM 29°C/19°C AMBIENT 27°C/19°C AMB 35°C/24°C AMB 46°C/24°C IMPACT + MCU+ MIN SPEED EVAP MAX SPEED EVAP MAX SPEED EVAP...
Heronhill - for all your Marstair requirements SOUND POWER AND SOUND PRESSURE LEVELS IMPACT UNITS SOUND POWER LEVELS SOUND PRESSURE LEVELS Frequency Hz MODEL SPEED 42.1 48.6 52.2 47.4 40.7 34.8 52.1 31.6 45.5 51.3 54.6 51.8 45.3 39.1 55.6 35.1...
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Heronhill - for all your Marstair requirements R407C HEAT PUMP SYSTEMS (DHPUE) Single Phase Supply 230Volts - 50Hz Three Phase Supply 400Volts - 50Hz SYSTEM SYSTEM INPUT FULL LOAD AMPS INPUT FULL LOAD AMPS MODEL MAX. MAX. COMBINATION STD. + ELECT STD.
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Heronhill - for all your Marstair requirements SEPARATE SUPPLIES TO ELECTRONIC INDOOR AND OUTDOOR UNITS (A) HEAT PUMP SYSTEMS ONLY It is recommended that systems using electronic indoor AND outdoor units should be independently fused. NOTE THAT THESE SUPPLIES MUST BE TAKEN FROM THE SAME PHASE...
Heronhill - for all your Marstair requirements Chassis Mounting NOTE: It is generally easier to fit kits prior to mounting the unit and connecting the pipework. It is essential to fit a heater kit at this stage if right hand side access will be limited to less than the unit width.
Heronhill - for all your Marstair requirements Condensate Removal Condensate collects in a drip tray along the full length of the coil. An outlet pipe is provided at the rear left hand end of the tray for connection to a pipe for gravity drain.
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Heronhill - for all your Marstair requirements APPLICATION To maximise performance, pipe runs should be kept as short as possible, avoiding sharp bends. However, individual pipe runs to a maximum of 80m, including 20m lift, are permissible provided good refrigeration practice is followed.
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Heronhill - for all your Marstair requirements RESTRICTOR MATCHES Outdoor units are supplied with cooling restrictors fitted in the expansion assembly; refer to the following tables for any restrictor changes. Those ticked do not require a change of restrictor. Where appropriate, the alternative cooling or heating restrictor is supplied with either the indoor or the...
Heronhill - for all your Marstair requirements PIPE CONNECTIONS IMPACT UNITS Pipework is terminated at the left hand side of the unit. Two pipe assemblies are supplied loose with flare nut connectors to enable pipe exit from either the top or bottom of the unit via knockouts. Rear pipe exit is possible with installer supplied pipework.
Heronhill - for all your Marstair requirements ELECTRICAL CONNECTIONS Mains, control and interconnecting cables must be supplied and fitted by the installer. Installer wiring must be carried out in accordance with IEE regulations and local codes. Refer to the interconnecting wiring diagrams on pages 30 to 34.
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Heronhill - for all your Marstair requirements ADDING REFRIGERANT If additional refrigerant charge is required: After evacuating the indoor unit and interconnecting pipework, open the valves using a 4 or 5mm Allen key. The high and low side pressures should equalise within a minute.
Heronhill - for all your Marstair requirements INSTALLATION of the IMPACT E REMOTE CONTROLLER IMPACT E indoor units are supplied with a remote controller, wall mounting bracket, PP3 (9 volt) battery, screws and wall plugs. The controller either operates remotely by infrared signals, when the bracket may be used to park the controller for convenience, or may be hard wired to the unit (via the wall mounting bracket) in applications where infrared is inappropriate, e.g., high lighting level, no direct line of sight etc.
Heronhill - for all your Marstair requirements INTERCONNECTING WIRING DIAGRAMS 20(E) - 60(E) + 1 Phase MCU+ 15 – 60 20E - 60E + 1 Phase MHPUE 15 - 50 40(E) - 60(E) + 3 Phase MCU(+) 30 - 60...
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Heronhill - for all your Marstair requirements IMPACT 20 –60 and 1 PHASE DCU+ 15 – 60 IMPACT 20E – 60E and 1 PHASE DCU+/DHPUE 15 - 60 18/20 53799173-05 Tel: 01823 665660 www.heronhill.co.uk Fax: 01823 665807...
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Heronhill - for all your Marstair requirements IMPACT 40 - 60 and 3 Phase DCU+ 30 - 60 IMPACT 40E - 60E and 3 Phase DCU+/DHPUE 30 – 60 + + + + 19/20 53799173-05 Tel: 01823 665660 www.heronhill.co.uk Fax: 01823 665807...
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Heronhill - for all your Marstair requirements EXPLODED DIAGRAM OF IMPACT WITH COMPONENT IDENTIFICATION (IMPACT 40 SHOWN) Top cover plate 15 Terminal assembly 29 Heater cut-out assembly Wall mounting bracket 16 Heater element 30 Electrics plate Back panel 17 Right hand end cover...
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