Carrier BWMAAN000050 - Page 15

15
5 - HYDRONIC PIPING
5-7A SINGLE BOILER USING PRIMARY/SECONDAY PUMPING
12"/305mm Max. apart
12"/305mm
Max. apart
Limit length
to
5'/1.6 m
CH/System
Pump
Heat exchanger
ball valve open
Heat exchanger
ball valves closed
3/8"/10mm Open
End Wrench
5-7B SINGLE BOILER USING PRIMARY/SECONDAY PUMPING
CH/System
Pump
12"/305mm
Max. apart
12"/305mm Max. apart
Existing closely spaced tees
in primary system loop
Limit length
to
5'/1.6 m
3/8"/10mm Open
End Wrench
Existing closely spaced tees
in primary system loop