Lochinvar CHA 100 CE, Инструкция по установке, пусконаладке, эксплуатации и техническому обслуживанию

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Installation
24 Instruction manual CHA
3
is
3.7.4 Drain valve
1. Fit the standard drain valve supplied (9).
2. If desired, fit a circulation pipe
(3.6.5 "Circulation pipe") .
Otherwise, fit the sealing nut and gasket (C) supplied with the drain valve,
as per the diagram.
3.7.5 Circulation pipe
See (C) in the installation diagram (3.5 "Installation diagram") .
If an immediate flow of hot water is required at draw-off points, a circulation
pump can be installed. This improves comfort, and reduces water wastage.
1. Fit a circulation pump (6) of the correct capacity for the length and resistance
of the circulation system.
2. Fit a non-return valve (5) after the circulation pump to guarantee the
direction of circulation.
3. Fit two stop valves for servicing (4).
4. Connect the circulation piping to the T-piece on the drain valve (9) as per the
drain valve diagram (3.6.4 "Drain valve") .
3.8 Gas connection Warning
The installation should be carried out by a competent person, in compliance
with general and locally applicable regulations (1.3 "Regulations") .
Note
Make sure that the diameter and length of the gas supply pipe are large
enough to supply sufficient capacity to the water heater.
See (D) in the installation diagram (3.5 "Installation diagram") .
1. Fit a manual gas valve (10) in the gas supply pipe.
2. Blow the gas pipe clean before use.
3. Close the manual gas valve.
4. Fit the gas supply pipe to the gas control valve.
Warning
After fitting, check for leaks.
C
IMD-0122 R1