Failing to install the heater control valve in the correct hose will allow water to collect in the unit.
Vintage air heater control valve not working.
Servo heater control valve kit electronic servo heater control valve control panel ecu module installation select a suitable location for the control panel.
A leaking or faulty valve will have a more pronounced affect on the unit s cooling ability.
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If in the wrong spot you will not have water circulating through the heater core.
When in heat the valve closes.
If the heater core is clogged the inlet and outlet will be different temperatures.
Heater control valve connection and chassis ground may be located on either side of the firewall.
It is not defective servo.
Wire between battery and circuit breaker is unprotected and should be carefully routed to avoid a short circuit.
This is not a solenoid valve it s a servo driven valve so there is not a possibility for crossed wiring besides that part is all factory wired.
One vintage air system i had used two 5 8 dia.
Always mount circuit breaker as close to the battery as possible.
This servo is identical to the one that drives the floor vent gate and when swapped it works in all appropriate positions for moving air.
The servo can be removed easily from the hot water valve.
The heater control valve was not getting vacuum from the unit.
Heater control valve installation.
Attaching to the water pump and radiator gives no flow.
In winter i would run a vacuum line to the valve from the carb and it worked perfectly.
Heater control valve warning.
Then in summer i would just disconnect the hose plug it.
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Excessive system pressure can also cause vibrations and whistling noises from the expansion valve and refrigerant lines.
Check for heat transfer by disconnecting hose from the system completely.
If the heater control valve is stuck closed the valve s inlet and outlet will remain at different temperatures.
Vintage air installation instructions.
The heater control valve is a directional valve.
One needs to be in the intake pressure feed line and the other to the water pump or radiator return points.
Installing the valve improperly such as having the flow reversed will allow water to flow through thus inhibiting cooling.
The panel may be mounted under the dash or switch can be removed and installed in dash.
Cobra wiring diagram with servo heater control valve 461171 update 11086 vus 11076 vus trinary switch wiring diagram for ron francis.
Consider heater control valve location and the length of the wiring harness.
