VAT PLUTO Series User Manual

Volta Air Technology Owner’s Manual
Van Refrigeration & Freezer Unit
49
CONFIDENTIAL
13
Check truck alternator voltage
14
Check stand by charger voltage, AC breaker, and continuity to the unit
15
Check connections on the terminal block and input voltage in condenser unit
16
Check controller input power fuse (3 amp)
17
Check controller connection to the wiring harness at controller plug
18
Check evaporator fan(s) fuse (20 amp)
19
Check that the evaporator fan(s) is not faulty and connections to the wiring harness are good at the plugs
20
Check evaporator fan(s) relay
21
Check that the controller is not on defrost mode / passing the set point
22
Check that the controller is not faulty (check output signals based on the wiring diagram)
23
Check the compressor relay
24
Check that the compressor is not faulty
25
Check that the sight glass is full, not showing bubbles
26
Check that the condenser pressure control valve (CPCV) is not faulty / stuck (supposed to be normally open)
27
Check that the hot gas solenoid valve (HGSV) is not faulty / stuck. (supposed to be normally closed)
28
Check solenoid valves relay
29
Choose colder location (shade)
30
Check for air leaks / exposed metal surface in the insulation
31
Check the automatic defrost setting / run defrost manually
32
Check that the TXV (thermostatic expansion valve) bulb’s attachment to the pipe is tight and properly insulated
33
Check condenser fan(s) fuse (20 amp)
34
Check that the condenser fan(s) is not faulty and connections to the wiring harness are good at the plugs
35
Check condenser fan(s) relay
36
Check solenoid valves fuse (5 amp)
37
Check solenoid valves connections to the wiring harness at plugs
38
Check that the evaporator condensation drain is not plugged by dirt or a kinked hose(s)
39
Check if vehicle is parked on a slope, not letting the water drain from the evaporator pan
40
Check low pressure switch and continuity to controller
41
Check temperature outside if it is below -19°C (-2F)
42
Check energy stabilizer output voltage while disconnected from the terminal block
43
Check the compressor connection on the signal wire plug

VAT PLUTO Series Specifications

General

Brand	VAT
Model	PLUTO Series
Category	Refrigerator
Language	English