Safety
Instructions
Product
Description
Installat
io
n
Electrical
Connection
Starting up &
Operation
Maintenance
& Repair
Dismantling &
Disposal
Condensing Unit For Refrigeration Networks
2.6.11 Solenoid Valve for Digital Scroll™ compressor
Digital Scroll™ compressors in Copeland EazyCool™ condensing units are equipped
with a 24 Volt AC solenoid valve.
The Electronic Condensing Unit Controller operates the solenoid valve used for
digital compressor modulation based on the suction pressure.
Solenoid valve: Copeland part number 8400784
2.6.12 Oil separator: Alco Controls OSH
The Alco OSH oil separator is fitted as standard on all Copeland EazyCool™ outdoor
units for refrigeration networks.
The oil separator has the following characteristics:
Hermetic construction
Comply with UL standard and HP German pressurised vessel regulations (CE
standard effective Nov. 1999)
PED category I
2.6.13 Electronic oil control system (Alco OM3)
Each compressor is fitted with an Alco Controls OM3 oil level controller, which supplies oil
only when required. An oil reservoir is provided on the “Master” unit in a network, and
hence variations in oil quantity in the system can be accommodated.
Model
OM3-CCA
- Oil Fill
Yes
- Alarm
Yes
- Compressor Lockout
Yes
- Level control
40%~60%
- Time Delay Alarm
20 sec
- Time Delay Filling
10 sec
Table 6:
Properties OMA Traxoil
2.6.14 High pressure oil reservoir (Master unit only)
The master unit in network is equipped with a large oil reservoir of 8 litres, which collects
oil from Master & Slave oil separators. Oil is re-distributed to each compressor via the oil
level controller OM3.
PED category I
C6.1.4/0305/E
12
Part no: 3136433
