Airedale LogiCool FreeCool 40kW - Manual (Page 35)

Chillers LOGICOOL
™
Chillers
35
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.
PT
1
A
4
5
6
7
8
12
11
13
9
2
3
10
B
C