Laars MASCOT FT MFTCW, Инструкция по установке и эксплуатации

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LAARS Heating Systems
Page 34
4.14 Plumbing Guidelines
4.14 Plumbing Guidelines
External Plumbing and Water Connection
Guidelines
- Ensure pipe material meets local codes and
industry standards.
- The pipe end must be clean and free of debris.
- Do not apply torch heat within 12˝ of the bottom
connections of the unit.
- The size of the DHW pipe should be 3/4˝
diameter and central heating water pipe should
be 1˝ diameter.
- Isolation valves(Shutoff valve) will be used.
- All piping should be insulated.
Applicable Backflow Preventer
- Apply a backflow preventer valve in the DHW
supply inlet (water Inlet) to the unit as required by
local codes.
Use at least the MINIMUM pipe size for the entire
boiler loop piping (connecting boiler to and from
the primary/secondary connection). Use only
primary/secondary piping as shown.
Failure to follow these guidelines could result in
system problems.
CH pipe minimum size : 1˝
DWH pipe minimum size : 3/4˝
CAUTION
SECTION 4. Installation
DHW INLET
DHW OUTLET
Circulation pump
Check valve
Drain valve
Gate valve
Backflow preventer
Pressure Relief Valve
Expansion tank
Air separator
(Diaphragm-type)
Automatic air vent
TO DR
AIN
TO DR
AIN