Takagi 160X3P, Инструкция по установке и руководство пользователя

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INS
TALLA
TION
On-Demand Water Heater Installation Manual and Owner’s Guide 33
INSTALLATION
Step 11:
LP gas conversion
Step 11: LP gas conversion
This water heater is configured for Natural Gas from the factory. However, if a field conversion to Propane Gas is neces-
sary, the conversion kit supplied with the water heater must be used and installed by a qualified service agency*. Before
you install the components in this Propane Gas conversion kit, verify the type of gas that will be used to fuel the unit.
WARNING! An improper field conversion could cause potentially dangerous conditions that may cause an
explosion or fire resulting in property damage, bodily injury or both.
•
This conversion kit shall be installed by a qualified service agency* or a gas utility service techni-
cian in accordance with Manufacturer’s written instructions and all applicable codes and require-
ments of the authority having jurisdiction. The information in these instructions must be followed
to minimize the risk of fire or explosion or to prevent property damage, personal injury or death. The
qualified service agency* is responsible for the proper installation of this kit. The installation is not
proper and complete until the operation of the converted appliance is checked as specified in the
manufacturer’s instructions supplied with the kit.
•
If your water heater has been converted to use a different gas type in the past, the manufactur-
er does NOT recommend converting it again.
•
IN CANADA, THE CONVERSION SHALL BE CARRIED OUT IN ACCORDANCE WITH THE
REQUIREMENTS OF THE PROVINCIAL AUTHORITIES HAVING JURISDICTION AND IN ACCORDANCE
WITH THE REQUIREMENTS OF THE CSA-B149.1, NATURAL GAS AND PROPANE INSTALLATION CODE .
WARNING
* A qualified service agency is any individual, firm, corporation or company which either in person or through a
representative is engaged in and is responsible for the connection, utilization, repair or servicing of gas utilization
equipment or accessories; who is experienced in such work, familiar with all precautions required, and has
complied with all of the requirements of the authority having jurisdiction.
LP Gas Orifice*
Orifice gasket
(100320382)
Gas Conversion
Label
LP gas conversion kit: 100320420
Tools Required:
• Phillips Screwdriver
• Manometer
• Gas Leak Detector
•
Before servicing the water heater, make sure that electrical power
and gas service to the water heater is turned OFF. Failure to do so
may result in bodily injury, death, or property damage.
•
Failure to observe the following warnings may result in gas leaks, result-
ing in serious injury or death.
•
Hand tighten the screws.
•
Do not overtighten as this may damage or crack the components.
•
Do not use a powered screwdriver.
WARNING
Gas conversion procedure:
1. Turn off power supply.
2. Turn off both gas and water valves to the water heater.
3. Remove the front cover by removing the four screws securing it to the water heater.
4. Locate the gas solenoid valve assembly in the upper part of the water heater. (Figure 1 on p.34)
5. Detach the fastener securing the inlet gas pipe to the gas solenoid valve assembly to remove it. Pull the inlet gas
pipe from the solenoid. (Figure 2 on p. 34)
6. Use a Phillips screwdriver to remove the 3 screws from the gas solenoid valve assembly and detach the gas
solenoid valve assembly from the fan motor unit shown in Figures 3 & 4 on p. 34.
7. Remove the NG orifice plate and gasket from the gas solenoid valve assembly by removing the 2 screws (Figure
5 on p. 34).
*Orifice plate
A Propane orifice
plate will have the
NA drilled out. A
Natural Gas orifice
plate will have
the LP drilled out.
The image on the
left illustrates a
Propane orifice
plate.