39
110332-02 - 6/22
PHTM II
Installation, Operating & Service Instructions
NO
TICE
: Installer is r
esponsible for piping configurations to
pr
ovide pr
oper flow rates and meet local codes.
NO
TICE
: Primar
y-secondar
y piping is r
equir
ed.
C
A
UTION
Bur
n
Hazar
d.
P
roper
ty
Dama
g
e.
Under some conditions this boiler can deliver water to heating system that is significantly higher than boiler setpoint. Wher
e such overheat could cause personal
injur
y or pr
oper
ty damage (e.g. low temperatur
e radiant
floor zones), pr
otect system fr
om excessive temperatur
es
using tempering valves or other means.
10
Heating System Piping
(continued)
Dirt & Magnetic Filter
(highly recommended)
From
System
Union
Circulator
Union
Header Temperature Sensor
(when used)
Close Nipple
(locate Header Sensor
as close as possible
to downstream tee)
Cold Water Line
Backflow Preventer
Fill Valve
Expansion Tank
Air Separator
To
System
Flow Check
Valves
Optional Full Port
Isolation Valves
Heating
Circulators
Optional Full Port
Isolation Valves
Primary/Secondary
Manifold Kit
B
A
A. At least eight pipe diameters upstream of first tee
B. In lieu of Webstone Kit, primary/secondary manifold can be f
abricated out of
copper piping.
To
System
System
Zone
Valves
Heating System
Circulator
Optional Zone Valve Controlled System
REVISIONS
REV.
EN
DATE
DESCRIPTION
DWN
CHK
APVD
TITLE:
FIRST USE:
ITEM NUMBER:
MATERIAL:
ALTA
NEAR BOILER PIPING PRIMARY-SECONDARY W/HEADER, HEAT ONLY
DES: EJL
CHK:
APVD:
SCALE: 1:12
SIZE: B
SHEET: 1 OF 1
DATE:
REVISION:
DRAWING NUMBER:
01/05/2022
TS-103-76
A
UNLESS OTHERWISE NOTED: ALL DIMENSIONS IN INCHES.
TOLERANCES:
X.X ±.1 X.XXX ±.005 X.XX ±.03 ANGLE ±1°
PROPERTY OF
U.S. Boiler Company, Inc.
LANCASTER, PA
THIRD ANGLE PROJECTION
THIS DOCUMENT CONTAINS CONFIDENTIAL INFORMATION AND ITS CONTENTS ARE THE SOLE PROPERTY OF U.S. BOILER COMPANY, INC. ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF U.S. BOILER COMPANY, INC. IS STRICTLY PROHIBITED.
A
A
B
B
4
4
3
3
2
2
1
1
Figur
e 1
0-5:
Heating S
yst
em Piping with P
rimar
y/Secondar
y Manif
old
NO
TICE
: Installer is r
esponsible for piping configurations to
pr
ovide pr
oper flow rates and meet local codes.
NO
TICE
: Primar
y-secondar
y piping is r
equir
ed.
C
A
UTION
Bur
n
Hazar
d.
P
roper
ty
Dama
g
e.
Under some conditions this boiler can deliver water to heating system that is significantly higher than boiler setpoint. Wher
e such overheat could cause personal
injur
y or pr
oper
ty damage (e.g. low temperatur
e radiant
floor zones), pr
otect system fr
om excessive temperatur
es
using tempering valves or other means.
!
