Unit installation

Use and Maintenance Manual Air-cooled water chillers and Heat Pumps R-PAE/R-PAH/EAH Rev. 1 del 03/09
3.3.1 Cooling circuits key
3.4 Technical specification
The main technical features of the units are shown in the attachments.
3.5 Dimensional drawings
The drawing of the unit, here attached, shows the unit dimensions and the connections diameter.
3.6 Main accessories
1M: higher available pressure for fans
2M: higher available pressure for fans
A: Amperometer
AE: Power supply different from the nominal power.
BF: Operation at low external air temperatures (-20°C) with constant fan speed regulation by means of inverter
BFa: Operation at low external air temperatures (-20°C) with constant fan speed regulation by means of inverter (with option
1M)
BFb: Operation at low external air temperatures (-20°C) with constant fan speed regulation by means of inverter (with option
2M)
BT: Operation at low external air temperatures (-20°C) with constant fan speed regulation
BTa : Operation at low external air temperatures (-20°C) with constant fan speed regulation ( with options 1M and 2M)
CE: UV protection on water insulation
CF: Soundproofed compressors cabinet with standard material
CFU: Soundproofed compressors cabinet with lead material or similar
CI: Soundproofing jackets on compressors
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AC AIR HEAT EXCHANGER PDIO OIL GAUGE VE EXPANSION VESSEL
AD AIR DISCHARGE VALVE PDSO OIL LEVEL PRESSOSTATIC VLAVE VP EVAPORATOR
AV VIBRATION DAMPER PDSW DIFFERENTIAL WATER SWITCH VT THERMOSTATIC EXPANSION
VALVE
CM COMPRESSOR PIH HIGH PRESSURE GAUGE WC WATER COIL
CO CONDENSER PIL LOW PRESSURE GAUGE WD WATER CHARGE AND
DISCHARGE VALVE
CT CONDUCTIVITY PROBE PIW WATER VALVE WE WATER EXCHANGER
EF FAN PRV OVERPRESSURE DISCHARGE DEVICE WF WATER FILTER
EHA ANTIFREEZE HEATER PRW SAFETY WATER FLOW SWITCH WP WATER PUMP
EHC CRANKCASE HEATER PSH HIGH PRESSURE SWITCH WT WATER BUFFER TANK
EV SOLENOID VALVE PSL LOW PRESSURE SWITCH BG HOT GAS COIL
FSR FAN SPEED REGULATOR PT PRESSURE TRANSDUCER YVCA HUMIDIFIER FILL VALVE
FWV 4-WAY VALVE RE ELECTRIC HEATER YVSA HUMIDIFIER DRAIN VALVE
H HUMIDIFIER RV MODULATING VALVE
HR HEAT RECOVERY SA LIQUID SEPARATOR
HT HUMIDITY PROBE SFF FREON – FREON HEAT EXCHANGER
LF DEHYDRATING FILTER SFO FREON – OIL HEAT EXCHANGER
LS SIGHT GLASS SL NOISE LEVEL REDUCER
LT LIQUID RECEIVER SO OIL SEPARATOR
NR NON-RETURN VALVE SV SHUT-OFF VALVE
OF OIL FILTER TS SAFETY THERMOSTATIC VALVE
OLR OIL LEVEL REGULATOR TT TEMPERATURE PROBE
OT OIL RESERVE TWV 3-WAY VALVE