Emerson ZB Copeland Scroll Technical Information download pdf (Page 14)

C6.1.7/0609-1110/E 11

Electrical components pre-wired

T a n d e m c o m p r e s s o r u n i t s

HLR31-ZBDT60KCE

HLR31-ZBDT90KCE

HLR31-ZBDT116KCE

HLR31-ZBDT152KCE

Compressor contactor

2 x 25 A

2x25A

Overload protector

2 x (9 to 14A)

2 x (13 to 18A)

2 x (17 to 23A)

Fuses

Electronic controller

EC2-552

Crankcase heater

HP/LP Pressure switch PS2

–

HP Pressure switch PS3

LP Pressure switch PS1

Digital 24V solenoid valve

Table 6: Electrical connections – Tandem compressor units

3.3.3 Discharge temperature protection

Compressor discharge line thermostat

Under extreme operating conditions internal discharge temperatures can reach very high levels.

Receiver units are equipped with digital gas temperature control on compressor top cap and

connected directly to EC2-552.

3.3.4 Electrical protection standard (protection class)

 Compressors are IP21 according to IEC 34.

 HP-LP and LP safety pressure switches (Alco PS2 and PS1) are IP44 according to

EN 60529/IEC 529.

 HP safety pressure switch PS3 with cable assy is IP65 according to EN 175301-803/

IEC 529.

 EC2-552 is IP65 (frontal protection with gasket).

3.3.5 Receiver unit electrical data

Unit

Maximum operating current

Locked rotor current

HLR13-ZBD30KCE-TFD

7.5 Amp

51.5 Amp

HLR13-ZBD45KCE-TFD

11.4 Amp

74 Amp

HLR13-ZBD58KCE-TFD

16.4 Amp

95 Amp

HLR13-ZBD76KCE-TFD

20.4 Amp

118 Amp

HLR31-ZBDT60KCE-TFD

18.2 Amp

2 x 51.5 Amp

HLR31-ZBDT90KCE-TFD

24.5 Amp

2 x 74 Amp

HLR31-ZBDT116KCE-TFD

31.8 Amp

2 x 95 Amp

HLR31-ZBDT152KCE-TFD

40.8 Amp

2 x 118 Amp

Table 7: Electrical data

TFD: 380-420V/3~/50 Hz

Safety

instructions

Product

description

Installation

Starting up &

operation

Maintenance &

repair

Certification &

approval

Dismantling &

disposal

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