Weil-McLain CGa-8 Betriebsanleitung PDF herunterladen (Seite 17)

17550-110-132/1298

CGi

Water Piping - Low Temp Systems

CONT’D

System by-pass —

Applies to

ANY

zoning method

Alternate by-pass piping arrangement

for CONVERTED GRAVITY (OR STEAM) SYSTEMS

Alternate to Figure 7A/7B — for converted gravity (or steam) systems only

(Do not apply to radiant heating systems)

Legend ...............................................................................................................................................

11 Fill valve

12 Diaphragm expansion tank

(see Figure 3B if using closed type expansion

tank. DO NOT use automatic air vent with

closed type expansion tank.)

13 In-line air separator and automatic vent, if used

(Note that the fill valve must always be

connected to the expansion tank, regardless of

location of expansion tank, circulator or air

separator.)

1 Isolation valve

2 Flow/check valve

3 Circulator

4 System temperature gauges

5 Zone valve

6 Drain valve

7 System temperature valves

(see instructions at left for adjusting

valves)

8 Blend temperature gauge

9 Relief valve

10 Automatic air vent

Cold

water

fill

0302-067c

Alternate

pump

location

To systemFrom system

FIGURE 8

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 55 56

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