Table des Matières
Publicité
Les langues disponibles
Les langues disponibles
5.4 Storage Tank Connection For Domestic Hot
Water Production
• Unit's electronic board is arranged for managing an
external storage tank for domestic hot water production.
•
• Make electrical connections as shown on wiring diagram
page 38.
• Boiler's control system recognizes presence of hot water
activating display and controls.
• Match Indirect tank heat exchanger and boiler capacity.
•
•
F. Unsatisfactory indirect tank performance.
G. Boiler short cycling
H. Extended DHW calls resulting in delayed response
to CH calls.
WARNING
!
Burn and Scald Hazard. Safety relief vlave
could discharge steam or hot water during
operation. Install discharge piping per these
instructions. Failure to do so could result in
death or serious injury.
5.5 Safety Relief Valve
NOTICE
Boiler rated at 43.5 psig (.30MPa) maximum allowable
working pressure. Boiler provided with 30 psig
(.21MPa) safety relief valve.
•
• Install safety relief valve with spindle in vertical position.
• Do not install shutoff valve between boiler and safety
relief valve.
• Install discharge piping from safety relief valve. See
• Use ¾" or larger pipe.
• Use pipe suitable for temperatures of 375°F (191°C)
or greater.
• Individual boiler discharge piping shall be independent
of other discharge piping.
EN
5 - HYDRONIC PIPING
Figure 7
AVAILABLE PUMP HEAD vs FLOW for DHW INDIRECT TANK
20
18
16
14
12
10
8
6
4
2
0
0
Available pump head
Feet water column
17.52
16.74
15.81
14.57
12.87
10.85
8.53
4.96
0.31
Figure 8
Safety Relief
Valve
Street Elbow ¾"
12
1
2
3
4
5
Boiler Pump Water Flow [GPM]
Flow
US GPM
0
1
2
3
4
5
6
7
8
6
7
8
9
CHB 100 - CHB 130 - CHB 150
Publicité
Chapitres
Table des Matières
