Carrier 30RA - Manuals

30RA/30RH GB - 4 Dimensions and location of hydraulic connections (mm) 200 700 200 400 1. Water inlet 2. Water outlet 3. 3/4” gas safety valve outlet 1 2 3 1328 1453.5 859 796 175 105 12x20 1068 635 130 130 578 478 40 1 2 3 1503 180 125 1003 940 1657.5 1243 130 130 635 578 478 40 12x20 Mod. 30RA 017...

30RA/30RH GB - 5 E N G L I S H General information and hydronic module Unit installation Read this instruction manual thoroughly before starting theinstallation.This unit complies with low-voltage (EEC/73/23) and electro-magnetic compatibility (EEC/89/336) directives.• The installation must be carri...

30RA/30RH GB - 6 Water connections Typical water circuit diagram for units with hydronic module Legend for units withouthydronic module: 30RA - RH unitwithout hydronicmodule Fan coil units Water circulatingpump Expansion vessel Pressure gauges Manual shut-offvalves Mesh filter Pressure couplings The...

30RA/30RH GB - 7 E N G L I S H Water connections Ethylene glycol curve Freezing temperature of water- ethylene glycol mixture ° C Weight concentration of ethylene glycol in water % Make the plate heat exchanger hydraulic connections with thenecessary components, using material which will guarantee t...

30RA/30RH GB - 8 Water connections Water pressure drop of the unit without hydronic module Outlet available static pressure of the unit with hydronic module Pressure drop , kPa Water flow rate, l/s A. 30RA-RH 017B. 30RA-RH 021C. 30RA-RH 026D. 30RA-RH 033 A vailable static pressure, kPa Water flow ra...

30RA/30RH GB - 9 E N G L I S H Electrical connections and refrigerant charge Electrical connections WARNING:To prevent electrical shock or equipment damage, make suredisconnects are open before electrical connections are made.If this action is not taken, personal injury may occur. Power supply cable...

30RA/30RH GB - 10 Refrigerant charge and electronic control Undercharge If there is not enough refrigerant in the system, this is indicated bygas bubbles in the moisture sight glass. There are two possibilities: • Small undercharge (bubbles in the sight glass, no significant change in suction pressu...

GB - 11 30RA/30RH E N G L I S H Start-up, compressor and pump replacement, unit protection devices Start-up Unit start-up is done by the electronic control described above, andmust always be carried out under the supervision of a qualified airconditioning engineer. Necessary checks/precautions befor...

30RA/30RH GB - 12 Unit protection devices, operating limits and operating range Table III: Pressure switch settings Cut-out Reset High pressurestat 30 bar Manual WARNING:Alteration of factory settings other than the design set-point, withoutmanufacturer's authorisation, may void the warranty.In case...

GB - 13 30RA/30RH E N G L I S H General maintenance, maintenance and final recommendations General maintenance ATTENTION:Before starting any servicing or maintenance operation on the unit,make sure that the power supply has been disconnected.A current discharge could cause personal injury. In order ...

30RA/30RH GB - 14 Troubleshooting A list of possible faults, as well as the probable cause andsuggested solutions is shown as follows. In the event of a unitmalfunction it is recommended to disconnect the power supply andascertain the cause. Symptoms Cause REMEDY Unit does not start: - No power supp...