3–7
T-372
3.2 Refrigeration System Data
3.3 Electrical Data
Table 3–1 Refrigeration System Data
Compressor / Motor Assembly
Model Number
ZMD26KVE-TFD-272
Weight (With Oil)
42.9 kg (95 lb)
Approved Oil
Uniqema Emkarate RL-32-3MAF
Oil Charge
1774 ml (60 ounces)
Electronic Expansion Valve
Superheat (Evaporator)
Verify at - 18°C (0°F)
container box temperature
4.4 to 6.7°C (8 to 12°F)
Economizer Expansion Valve
Superheat
Verify at - 18°C (0°F)
container box temperature
4.4 to 11.1°C (8 to 20°F)
Heater Termination
Thermostat
Opens
54° (+/- 3) C = 130° (+/- 5) F
Closes
38° (+/- 4) C = 100° (+/- 7) F
High Pressure Switch
Cut-Out
25 (+/- 1.0) kg/cm
2
= 350 (+/- 10) psig
Cut-In
18 (+/- 0.7) kg/cm
2
= 250 (+/- 10) psig
WARNING
!
EXPLOSION HAZARD: Failure to follow this WARNING can result in death, serious personal
injury and / or property damage. Never use air or gas mixtures containing oxygen (O
2
) for leak
testing or operating the product. Charge only with refrigerants R-134a or R-513A as specified
for the unit model number: Refrigerant must conform to AHRI Standard 700 specification.
Refrigerant
R-134a / R-513A
Conforming to AHRI standard 700 specifications.
CAUTION
!
Charge water-cooled condenser or receiver according to nameplate specifications to ensure
optimal unit performance.
Refrigerant Charge
WCC Brazed Plate
4.58 kg (10.1 lbs)
Receiver
4.26 kg (9.4 lbs)
Fusible Plug
Melting point
99°C = (210°F)
Torque
6.2 to 6.9 mkg (45 to 50 ft-lbs)
Unit Weight
Refer to unit model number plate.
Water Pressure Switch
Cut-In
0.5 +/- 0.2 kg/cm
2
(7 +/- 3 psig)
Cut-Out
1.6 +/- 0.4 kg/cm
2
(22 +/- 5 psig)
Table 3–2 Electrical Data
Circuit Breaker
CB-1 (25 amp)
Trips at 29 amps
CB-2 (50 amp)
Trips at 62.5 amps
CB-2 (70 amp)
Trips at 87.5 amps
Compressor Motor
Full Load Amps (FLA)
13 amps @ 460 VAC