ODES WORKCROSS UTV650 - Page 78

5.HVAC SYSTEM
5-10
During the low-pressure filling process,
when replacing the refrigerant bottle,
turn off the low-pressure knob (blue) first,
and repeat the Yellow pipeline exhaust
process. Continue filling according to the
low-pressure filling method, observe the
sight glass on the condenser-evaporator
hose, and the filling is completed when
there is no obvious bubble.
Turn off the engine, turn off the high and
low pressure knobs.
Pressure range
Low meter
High meter
0.15-0.2MPa
1.45-1.5MPa
Test conditions: The temperature of the
evaporator suction inlet is 30-35 ℃, the
engine speed is 2000rpm, the temperature
switch is set to the maximum cooling gear,
and the blower is at the max.
HEATING SYSTEM
PARTS
Function
Electric
valve
The heater control valve opens to
allow coolant to pass through. When
the coolant circulates, it heats up the
unit.
Heater
core
The coolant flows through the heater
core and the blower blows air through
the heater core, which heats up the
interior of the vehicle.
Electric valve
The valve is installed in the coolant passage
of the engine to control whether the engine
coolant enters the heater.
The electric valve is fixed on the water valve
fixing plate with four self tapping screws.
Wire color
Direction
Position
red
black
yellow
12V+
12V-
12V+
CCW
P2
12V+
12V-
CW
P1
Testing the Heater Control Valve
1. Remove the heater control valve
actuator.
2. Follow the menu make heater control
valve to full open and full closed positions.
If the heater control valve does not:
– Fully open;
– Fully close;
replace the heater control valve assembly.
Removing the Heater Valve Assembly
1. Disconnect valve connector.
2. Remove four self tapping screws.
3.Remove the hoses
4.Remove the heater valve.