Airedale LogiCool FreeCool 40kW Bedienungsanleitung PDF herunterladen (Seite 35)

Chillers

LOGICOOL™

Chillers

Technical Manual : 6521355 V1.8.0 07/2014

Installation Data

PUMPS

Pump Statement

When installing circulating water pumps or equipment containing them, the following rules

should be applied:

 Ensure the system is filled with liquid then vented and the pump primed with water

before running the pump, this is required because the pumped liquid cools the pump

bearings and mechanical seal faces

 To avoid cavitation the NPSH (Net Positive Suction Head) incorporating a safety

margin of 0.5m head must be available at the pump inlet during operation

PUMP PACKAGES (OPTIONAL EXTRAS)

Flow Schemes:

A Standard Unit - No Pump

B Single Head Pump

C Run/Standby Pump

1 Filter Ball Valve

8 Differential Pressure Transducer

2 Pump

9 Auto Air Vent

3 Non Return Valve

10 Mixing Valve

4 Water Supply & Return

11 DRV (Flushing Bypass)

5 Drain

12 Binder Points

6 Ball Valve

13 Free Cooling Coil

7 Plate Evaporator

Interlocks & Protection

Always electrically interlock the operation of the chiller with the pump controls for

safety reasons.

CAUTION

Failure to will invalidate the chiller warranty.

CAUTION

Do not rely solely on the BMS to protect the chiller against low flow conditions.

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