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Related Manuals for Acson international A5CM2020ER
Summary of Contents for Acson international A5CM2020ER
- Page 1 Multisplit Installation Manual Model Reference: A5CM2020ER...
- Page 2 Model Reference – A5CM2020ER Equipment - 2 off A5CM20ER matched with 1 off A5LC40CR Configuration – Master / Slave Twinsplit a) Mains Power • Separate Power supplies are required to indoor and outdoor units. • Power to each indoor unit should be 240v 1ph with a 5amp motor rated fuse supply.
- Page 3 Connecting the Nim Controller and Boards. MASTER UNIT 1. Plug the cable supplied with the Nim board into CN1 on the Nim and connect it to CN4 on the master unit indoor pcb 2. Plug the Netware controller cable into CN2 on the Master Unit Nim board and match the coloured wires to the corresponding coloured connections on the inside back of the Netware controller.
- Page 4 Figure 1.1 – Wiring Configuration for A5CM2020ER Indoor Slave Unit Condensing Unit Indoor Master Unit L/ L1 L/ L1 Power Power Power N/L2 N/L2 Feed Feed Feed USED Comp Comp 4 WV Comp NOT USED Field Wiring NOTES: 1. Nim PCB and Netware setup are as per normal Master / Slave wiring configuration.
- Page 5 Figure 1.2 – Outdoor Unit High Pressure Switch Modification for A5CM2020ER. (FOR UNITS WITHOUT PHASE PROTECTION BOARD) A modification is required to ensure that the high pressure switch remains operational when using the A5LC40CR in a multisplit application. Carry out the modification on site as follows: Blue 1.
- Page 6 Figure 1.3 – Outdoor Unit High Pressure Switch Modification for A5CM2020ER (FOR UNITS FITTED WITH PHASE PROTECTION BOARD) A modification is required to ensure that the high pressure switch remains operational when using the A5LC40CR in a multisplit application. Carry out the modification on site as follows: Blue 1.
- Page 7 Figure 1.4 - Pipework Configuration for A5CM2020ER • Pipe sizes for the A5CM20ER are 1/4” Liquid & 1/2” Gas • Pipe Sizes for the A5LC40CR are 3/8” Liquid & 5/8” Gas NOTES: 1/2” Gas 1. A reducing Tee is necessary where...
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