Laars MASCOT FT MFTCW Installation And Operation Instructions Manual page 38

Page 36
SECTION 4. Installation
4.14 Plumbing Guidelines
Zoning with circulation pump
- Each heating zone of a pump based system has its own circulator pump which runs when the zone needs it.
- Each zone thermostat goes to a controller which controls the pumps..
SECONDARY LOOP (SPACE HEATING)
Expansion tank
(Diaphragm-type)
Automatic air vent
Air separator
Circulation pump
Check valve
Drain valve
Gate valve
Backflow preventer
Pressure Relief Valve
CH SUPPLY
PRIMARY LOOP
(SPACE HEATING)
LAARS Heating Systems
DHW OUTLET
Do not exceed 12" apart
DHW INLET