Lochinvar LTL07575, Инструкция по эксплуатации

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32
4. Disconnect the igniter wire from the igniter lead wire.
Use needle nose pliers to disconnect the red (+) and
white (-) thermopile wires. Disconnect the pilot tube
(7/16” wrench) and manifold tube (3/4” wrench) at the
gas control valve/thermostat. See
Figure 23
(page
32) .
IGNITER
WIRE
RED WIRE
(LEFT SIDE)
PILOT
TUBE
MANIFOLD TUBE
IGNITER
BUTTON
IGNITER
LEAD
WIRE
WHITE
WIRE
(RIGHT
SIDE)
GAS CONTROL/
TEMPERATURE KNOB
VAC
FIGURE 23. GAS CONTROL VALVE REMOVAL
5. Referring to
Figure 24
(page 32), disconnect the
ground joint union in the gas piping.
6. Disconnect the remaining pipe from the gas control
valve/thermostat.
FIGURE 24. PIPING CONFIGURATION
7. To remove the gas control valve/thermostat,
thread a 4” section of gas pipe into the gas inlet
and use it to turn the gas control valve/thermostat
(counterclockwise.) Do not use a pipe wrench or
equivalent to grip body. Damage may result, causing
leaks. Do not insert any sharp objects into the inlet or
outlet connections. Damage to the gas control valve/
thermostat may result.
water heater. Many suspected leaks are not leaking
tanks. Often the source of the water can be found and
corrected.
Read this manual first. Then before checking the water
heater make sure the gas supply has been turned OFF,
and never turn the gas ON before the tank is completely
full of water.
Never use this water heater unless it is completely
filled with water. To prevent damage to the tank, the
tank must be filled with water. Water must flow from the
hot water faucet before turning “ON” gas to the water
heater.
Read this manual first. Then before checking the water
heater make sure the gas supply has been turned
“OFF”, and never turn the gas “ON” before the tank is
completely full of water.
Never use this water heater unless it is completely
filled with water. To prevent damage to the tank, the
tank must be filled with water. Water must flow from the
hot water faucet before turning “ON” gas to the water
heater.
Leakage from other appliances, water lines, or ground
seepage should also be checked.
REMOVING AND REPLACING THE GAS CON-
TROL VALVE/THERMOSTAT
IMPORTANT: This water heater has a resettable thermal
switch installed. Do not attempt to disable or modify
this feature in any way. Use only factory authorized
replacement parts. IMPORTANT: This gas control
valve/thermostat is shipped from the factory as a
natural gas unit. However, it may be converted to
use LP gas. Before installing this gas control valve/
thermostat, make sure that it is configured for the
type of gas that you are using.
REMOVING THE GAS CONTROL VALVE/THERMOSTAT:
1. Turn the gas control/temperature knob to the OFF
position. See
Figure 20
(page 24) .
2. Turn off the gas at the manual shut-off valve on the
gas supply pipe.
3. Drain the water heater. Follow the instructions in
Draining and Flushing
(page 30) .