Vehicle Battery Charger; Power Supply Mode; Mppt Solar Charger Controller; Voltage Charging Relay (Vcr) - Projecta INTELLI-RV PM400 Instruction Manual

2.3 Vehicle Battery Charger

Along with a powerful charger for service battery, PM435 offers a float charge of up to 3A to keep the starter battery charged, whether
connected to the AC main or PV. When the starter battery is less than 12.4V, the PM435 starts charging after 30 minutes delay and stops
charging when voltage reaches 12.8V.

2.4 Power Supply Mode

If no battery is attached to PM435 unit, it will work as a power supply automatically with a 12.8VDC output.

2.5 MPPT Solar Charger Controller

PM435 has a built-in MPPT charger for the service battery with:
• Max input voltage 50VDC
• Max charging current 30A
• Max supply current 30A
2.6 Voltage Charging Relay (VCR or commonly known as a VSR)
PM435 master power unit has a built-in voltage charging relay (VCR), which offers a convenient source to charge the service battery by
alternator whilst the engine is running.
LEAD ACID BATTERY – When the starter battery reaches 13.4VDC with threshold time delay, the VCR will charge the service battery from
the alternator. VCR will continue charging until the starter battery voltage drops under 12.8VDC.
LifePO LITHIUM BATTERY – When the starter battery reaches 14.0VDC with threshold time delay, the VCR will charge the service battery
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from the alternator. VCR will continue charging until the starter battery voltage drops below 13.5VDC and less than 2A charge to service
battery with threshold time delay.
NOTE: The PM435, when charging from the starter battery, does not provide 5 stage charging. It simply takes whatever power and
charging is available from the vehicle alternator.
NOTE: If your vehicle is fitted with a smart charging system (Variable Voltage or Temperature Compensating), the VCR may not function
correctly and a DC-DC Charging system is recommended.
Please consult your local dealer or installer for further information.

2.7 Categorised Outputs

The 14 outputs of PM435, are categorized into different groups for different controls.
TYPE QTY DESCRIPTION
Class A1 5 Relay controlled output with fuse, protected by
main master switch relay
Class A2 3 PWM controlled, protected by master switch
relay
Class B 3 Fused outputs, protected by master switch relay
Class C 2 Always alive load
Class D 1 Permanent on load
Figure 9 Categorised output
Table 4 Categorized outputs definition
POSSIBLE LOAD SUITABLE
Water pump, Water tank heating, TV etc.
General lighting, such as, Ceiling light, Dining light,
Bedroom light etc.
Ventilation fan etc.
Fridge, security alarm etc.
Auto step
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