12
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.
!
5.4
Safety Relief Valve
NOTICE
Boiler rated at 43.5 psig (.30MPa) maximum allowable
working pressure. Boiler provided with 30 psig
(.21MPa) safety relief valve.
•
,QVWDOOVDIHW\UHOLHIYDOYHXVLQJSLSH¿WWLQJVSURYLGHGZLWK
ERLOHU6HH¿JXUH
• 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
¿JXUH
• 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.
• Size and arrange discharge piping to avoid reducing
safety relief valve relieving capacity below minimum
relief valve capacity stated on rating plate.
• Run pipe as short and straight as possible to location
protecting user from scalding and properly drain
piping.
• Install union, if used, close to safety relief valve outlet.
• Install elbow(s), if used, close to safety relief valve
outlet and downstream of union (if used).
• Terminate pipe with plain end (not threaded).
5 - HYDRONIC PIPING
Figure 7
6DIHW\5HOLHI9DOYH $LU9HQW
9LHZHGIURPIURQWRIERLOHU
Check Local Codes
for Maximum
Distance to Floor
Safety Relief
Valve
Gas Shutoff
Valve
in Open
position
Figure 8
6DIHW\5HOLHI9DOYH'LVFKDUJH
Piping
EN
1” MPT
Coupling 1”
NPT
Nipple 1
”
x 5”
Tee 1
”
x 1
”
x ¾”
Safety Relief
Valve
Street Elbow ¾”
12
EN
Summary of Contents for CCB-150
Page 6: ...Figure 2 Component Listing 6 3 GENERAL VIEW AND MAIN COMPONENTS EN 6 EN...
Page 39: ...KEY 3DUW 1XPEHU Description 4W A01 FE3980B990 CASING CTR 1 39 REPAIR PARTS LIST EN 39 EN...
Page 41: ...41 REPAIR PARTS LIST EN 41 EN...
Page 43: ...43 REPAIR PARTS LIST EN 43 EN...
Page 45: ...45 NOTES EN 45 EN...
Page 46: ...46 NOTES EN 46 EN...
Page 51: ...Figure 2 Liste des l ments 51 FR 3 VUE D ENSEMBLE ET PRINCIPAUX L MENTS...
Page 84: ...CODE R f Description A01 FE3980B990 ENVELOPPE CTR 84 FR LISTE DES PI CES D TACH ES...
Page 86: ...86 FR LISTE DES PI CES D TACH ES...
Page 88: ...88 FR LISTE DES PI CES D TACH ES...
Page 90: ...90 FR REMARQUES...
Page 91: ...91 FR REMARQUES...
Page 92: ...ECR International Inc 2201 Dwyer Avenue Utica NY 13501 web site www ecrinternational com...