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FIGURE 15 – GAS PIPING
GROUND JOINT UNION
PIPED GAS SUPPLY
3ʺ (76.2 MM) MINIMUM
GROUND JOINT UNION
GAS
VALVE
MANUAL
SHUT-OFF VALVE
RISER
3ʺ (76.2 MM)
MINIMUM
CAP
2
NIPPLE
GROUND JOINT
UNION
TUBING GAS SUPPLY
VALVE
3ʺ (76.2 MM) MINIMUM
1
CAUTION: All bends in metal tubing must be smooth.
CAUTION: Shut off the main gas supply before removing the end cap to prevent
2
gas from filling the work area. Test for gas leakage when installation is complete.
FIGURE 17 – PROPER PIPING PRACTICE
PROPER PIPE
THREADING
INCORRECT
THREADING
OVER-THREADED
MANUAL SHUT-OFF VALVE
DROP
HORIZONTAL
GAS
VALVE
TEE
CAP
2
FITTING
NIPPLE
PIPED GAS SUPPLY
MANUAL SHUT-OFF VALVE
DROP
HORIZONTAL
1
RISER
GAS
TEE
CAP
2
FITTING
NIPPLE
2 THREADS EXPOSED
SEALANT THIN
ENOUGH TO SHOW
THREADS
DAMAGED
SEALANT
THREADS
PAST TIP
SEALANT
TOO THICK
Front Panel Installation
Place the front panel top over the channel on the header
plate, as shown in Figure 18. Press the panel tight against
wall, and secure it to the header channel with the screw
provided in final assembly package. Open the control
door at bottom of panel and fasten the panel at each side
through slots in flanges with screws provided.
1/8ʺ NPT
PLUGGED
Attach handle to the front panel door with the screw
HOLE FOR
TEST
provided.
GAUGE
Install the second face panel in same manner for 500
Series models.
FIGURE 18 – PANEL PLACEMENT
CARMEL
TM
AC2030TNA TOP VENT GAS WALL HEATER
19
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