Step 3 -- Turn off the electrical supply to the unit by
switching the RTU main disconnect to OFE Then, ensure
personal safety by installing a lockout tag on the disconnect.
....... MAI N.......................
C07331
Fig. 4 - RTU Main Disconnect - Electrical Supply
Step 4 -- Remove the gas component access panel. For
location of the gas component access panel, see Fig. 5.
GAS COMPONENT
ACCESS PANEL
RTU GAS VALVE
C08397
Fig. 5 - Gas Component Access Panel
and RTU Gas Valve Location
007383
Fig. 6 - Gas Component Access Panel Removal
Step 5 -- Move the RTU gas valve on/off switch to the OFF
position and wait 5 minutes. See Fig. 5 for location of RTU
gas valve.
Two Stage Single Stage
RTU gas valve RTU gas valve
On/Off
Switch
On/Off
Switch
007382
Fig. 7 - Single- and Two-Stage RTU Gas Valves
Step 6 -- Move the RTU gas valve on/off switch to the ON
position.
Step 7 -- Replace the compressor access panel.
Fig. 8 - Compressor Access Panel
007384
Step 8 -- Remove disconnect lockout tag and restore power
to the unit by switching the RTU main disconnect to ON.
C07386
Fig. 9 - RTU Main Disconnect - Electrical Supply
Step 9 -- Turn on the gas supply by opening the gas supply
shut-off valve.
Fig. 10 - Gas Supply Shut Off Valve
007337
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