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UNIT HEATER
10.4 Conversion of Manual Ignition Valves
All CUH... range manual ignition unit heaters use an S.I.T Nova multifunctional gas valve.
The Models CUH... 60 only cannot be operated on L.P.G.
Nova Range valves
Nova range main valves may be converted to operate with or without a burner gas pressure regulator.
Follow the instructions in Section 7 of this manual for removal of gas valves.
To convert Nova valve from Natural Gas to L.P.G. (see Fig. 10.2)
Remove the cover of the pressure regulator.
Completely unscrew the regulator adjusting screw and remove it complete with its spring.
Replace the adjusting screw and original cover with the blanking nut attachment.
This device screws fully into the body of the regulator until it stops and puts the regulator out of action.
The step opening feature of the main valve will still operate.
To Convert Nova Valve from L.P.G. to Natural Gas
Reverse the instructions above.
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