Weil-McLain GOLD CGa, Руководство пользователя

Страница: 21 / 68

Part Number 550-101-009/0107
21
GOLD CGa Gas-Fired Water Boiler — Boiler Manual
1
"OILERISOLATIONBALANCING VALVES
2
Flow/check valve
3
System or zone circulator (circulator should cycle
with zone valve and switches, using circulator valve
or zone control panel)
4
System temperature gauges
5
:ONEVALVE
6
$RAINVALVE
7
System temperature valves (see instructions to the
left for adjusting valves)
8
"LENDTEMPERATUREGAUGE
9 Relief valve
10 Automatic air vent (with diaphragm-type expansion
tank), or connect to tank fitting (closed-type expan-
sion tank).
DO NOT
use an automatic air vent when
using closed-type expansion tank. It would allow
air to leave the system, causing waterlogging of the
expansion tank.
11
Fill valve
12
$IAPHRAGMTYPE OR BLADDERTYPE EXPANSION TANK
if used (For closed-type expansion tank, pipe from
top of air separator to tank fitting as in
&IGURE ,
page 17.)
13
!IRSEPARATORANDAUTOMATICVENTIFUSED.OTETHAT
the fill valve must always be connected to the expan-
sion tank, regardless of location of expansion tank,
circulator or air separator.)
Piping — low temperature systems
(continued)
3d