Eaton-Williams ICU30 Installation Manual Download Page 8

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ICU CONDENSING UNIT INSTALLATION MANUAL

September2003:E\Manuals\Others\Qualitair\ICC\0412118

6. POWER & CONTROL CONNECTIONS

ICU SINGLE PHASE COOLING ONLY

ICU Terminal

Customer Connections

Customer Earth Connection

E
N

Customer Neutral Connection

Customer Live Connection

Cooling Signal (From Indoor Unit)

Motor speed control sensor

ICU SINGLE PHASE HEAT PUMP

ICU Terminal

Customer Connections

Customer Earth Connection

E
N

Customer Neutral Connection

Customer Live Connection

Cooling Signal (From Indoor Unit)

Motor speed control sensor

Heating signal (from Indoor unit)

Heating Signal (From Indoor Unit) – defrost heating.

ICU THREE PHASE COOLING ONLY

ICU Terminal

Customer Connections

Customer Earth Connection

E
N

Customer Neutral Connection

Customer Live Connection

Cooling Signal (From Indoor Unit)

Motor speed control sensor

ICU THREE PHASE HEAT PUMP

ICU Terminal

Customer Connections

Customer Earth Connection

E
N

Customer Neutral Connection

Customer Live Connection

Cooling Signal (From Indoor Unit)

Motor speed control sensor

Heating signal (from indoor unit)

Heating Signal (From Indoor Unit) – defrost heating.

Table 6.1 – Electrical Connection Details

Summary of Contents for ICU30

Page 1: ...Lt td d INSTALLATION MANUAL ICU CONDENSING UNIT IF SUPPLIED AS A SYSTEM ICC QKK QLC PLEASE REFER TO INDOOR UNIT INSTALLATION MANUAL Eaton Williams Ltd Station Road Edenbridge Kent TN8 6EG Tel 44 0 173...

Page 2: ...ixings 6 5 General Service Connection 7 6 Power Control Connections 8 6 1 Wiring up the unit 9 6 2 Wiring Requirements 9 6 3 Terminations 9 6 4 Wiring Diagrams 9 7 Refrigerant Pipe Connections 10 7 1...

Page 3: ...ical hazards are kept to a minimum 3 The equipment has been fitted with doors and covers to prevent access during operation These must be kept in place and additional guards fitted if necessary 4 The...

Page 4: ...is supplied complete with axial fan and guard hermetic compressor shut off service valves fan speed controller low pressure switch high pressure switch start delay timer winter start and an electrica...

Page 5: ...secure the unit to a suitable plinth or to the wall mount bracket kit If required the contractor should install the unit on anti vibration pads 3 3 Service Connections The refrigerant pipe 4 and elec...

Page 6: ...ess panel 5 Removable top panel Front and side access screw fixings 6 Service access panel Front access screw fixings 7 Reversing valve Heat pump unit only HP LP cut outs Remove service access panel 8...

Page 7: ...3 8 1 2 Suction 7 2 5 8 5 8 5 8 3 4 3 4 7 8 7 8 Mains Power Cable No of Cores ICU30 ICU40 ICU55 ICU80 ICU100 ICU135 ICU170 Single Phase System 3 3 3 3 3 N A N A Three Phase System N A N A N A 5 5 5 5...

Page 8: ...RV Heating signal from Indoor unit H Heating Signal From Indoor Unit defrost heating ICU THREE PHASE COOLING ONLY ICU Terminal Customer Connections PE Customer Earth Connection E N Customer Neutral C...

Page 9: ...les in Section 5 Page 7 of this manual Note On units with 3 phase power supplies ensure the 3 phases are connected in the correct rotation ie L1 L2 L3 If the phase rotation is incorrect the compressor...

Page 10: ...e Ensure the refrigerant lines are adequately supported using refrigerant pipe clips ICU170 units are supplied with a length of 7 8 od flared pipe to assist connection to shut off valve 7 3 Unit Conne...

Page 11: ...3 8 3 8 3 8 30m 105g m 1 2 liquid ICU80 Suction 5 8 5 8 7 8 7 8 7 8 7 8 7 8 7 8 7 8 7 8 11 8 Suction 30 None 5m 40g m 3 8 Liquid Liquid 3 8 3 8 3 8 3 8 30m 105g m 1 2 liquid ICU100 Suction 5 8 7 8 7...

Page 12: ...3 4 ICU100 Vertical Liquid 5 8 25m Added Oil None required 10m EVAP 10m FROM TABLE A Horizontal Suction to be 11 8 EVAP Horizontal Liquid to be 5 8 25m TABLE B Not applicable Added Oil None required 1...

Page 13: ...losed 3 System Isolation After achieving the specified system vacuum close the gauge low pressure port 5 and switch off the vacuum pump Leave the system for 1 hour and check that the vacuum is maintai...

Page 14: ...the unit by phase control and keeps a definite condensing pressure to ensure stability WARNING Before adjusting be sure to TURN OFF THE POWER SUPPLY Adjustment Method 1 Range adjustment The set value...

Page 15: ...ost water from Heat Pump Outdoor units and the potential danger from freezing if allowed to run onto a roof or similar area A separate drain tube plate is provided with the unit which fits over a 15mm...

Page 16: ...particular protection of lungs eyes and skin from refrigerants dust etc Only approved lifting gear and power tools should be used and access to the work area be restricted to authorised personnel Dis...

Page 17: ...ed 4 Has correct HRC external fusing isolating been installed 5 Has additional extended pipe run refrigerant charge been measured into the system where necessary or heat pumps been charged correctly 6...

Page 18: ...55 80 Cooling Only Condensing Unit 1 ph TS FSC A3LBD138 J90763 J90783 ICU80 Cooling Only Condensing Unit 3 ph TS FSC A3LBD139 J90784 ICU100 Cooling Only Condensing Unit 1 ph PS FSC A3LBD140 J90723 ICU...

Page 19: ...the Machinery Directive If alterations are made to this equipment without our approval this declaration becomes invalid Furthermore this equipment may be assembled into other systems which may also c...

Page 20: ...E Manuals Others Qualitair ICC 0412118 20 STATION ROAD EDENBRIDGE KENT TN8 6EG TEL 01732 866066 FAX 01732 867937 AN EATON WILLIAMS COMPANY As part of the policy of continuous product improvement we re...

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