Ochsner AIR 7 Operating And Installation Manual

Contents

Ochsner AIR 7 Operating And Installation Manual Manual pdf 23 page image

INSTALLATION | Preparing to install the appliance982000-AIR-M2-M4-EN03.1 | www.ochsner.com 23Material damageOperating a three-phase motor (compressor,pumps, fans) for long periods using an incorrectlyphased three-phase supply will damage the motor.» Ensure that all three-phase motors areconnected to a three-phase supply with aclockwise rotating field.9.5.2 Heat pumps for single phase alternating current11_02_200_202_01_024C13A B16A1 x 230 VAC 1 x 230 VAC 3 x 230 VAC123 4 5 61 Heat pump indoor unit control box2 Main system distributor board3 Supply to main power circuit (compressor)4 PSU signal contact5 Supply to control circuit (OTE controller)6 Supply to electric booster heaterDescription Type Max.startingcurrent[A]Max. op-eratingcurrent[A]FuseMain power cir-cuit(compressor andfan)AIR 11 C11B 48.5 20.8 C25AAIR 18 C11B 80.0 30.0 C40AElectric boosterheaterAIR 11 C11B – 12.8 B16AAIR 18 C11BControl circuit(control unit)AIR 11 C11B – 6 C13AAIR 18 C11B9.5.3 Cables from main distributor to indoor unitDescription Wires Min. cablecross-sec-tionSupply to electric boosterheater(8.8 kW electric immersionheater)3x 400 VAC(L1/L2/L3/N/PE)or3x 230 VAC(L/L/L/N/PE)2.5 mm²Control circuit supply 1x 230 VAC(L/N/PE)1.5 mm²Supply to pumps and ser-vomotors1x 230 VAC(L/N/PE)1.0 mm²Sensor leads(system temperature sen-sors)2x(shielding recommend-ed)1.0 mm²Bus leads(eBus connections fromOTE controller to remotecontrollers or auxiliarymodules and in cascades)Example:Y(ST)Y 2x2x0.8(shielded cable designand twisted cablepairs)0.8 mm²9.5.4 Cables from indoor to outdoor unitDescription Wires Min. cablecross-sec-tionFan power supply 1x 230 VAC(L/N/PE)1.5 mm²Fan alarm (TK) 2x 230 VAC 1.5 mm²Fan speed(0-10 VDC)2x(shielding recom-mended)1 mm²Defrost sensor (TQE, TQA) 4x(shielding recom-mended)1 mm²Pulse lead(for stepper motor on elec-tronic expansion valve)4x(shielding recom-mended)Example:ÖLFLEX® CLASSIC100 CY0.8 mm²Suction gas sensor S2(for expansion valve control-ler)2x(shielding recom-mended)1 mm²9.5.5 Temperature sensori InformationThe maximum line length for sensor leads is 50 m.i InformationSensor leads must be routed separately from 230 Vand 400 V cables. If a minimum distance of 20 cmcannot be maintained, then shielded cables shouldbe used. The shielding should be connected to theearth rail of the heat pump.Defrost sensors (TQA, TQE):The two defrost sensors are factory-installed in the evap-orator on the outdoor unit.