HED-S
ERIES
I
NSTALLATION
, O
PERATION
AND
S
ERVICE
M
ANUAL
42
8
.10 Common Vertical Ventin
g
Req
u
irements:
• Maxim
u
m of fo
u
r heaters can be commonly
v
ented
thro
u
gh the roof.
• Heaters m
u
st be of the same BTU o
u
tp
u
t.
• Heaters m
u
st be controlled by a common
thermostat.
• Connections to a common stack m
u
st be posi-
tioned to a
v
oid direct opposition bet
w
een streams
of comb
u
stion gases.
Summary of Contents for COMPLETE HED Series
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Page 25: ...SECTION 6 HEATER INSTALLATION 19 FIGURE 18 Linear Heater Layout Overview ...
Page 35: ...SECTION 7 OPTIONAL HEATER ACCESSORIES 29 FIGURE 21 U Tube Heater Layout Overview ...
Page 62: ...HED SERIES INSTALLATION OPERATION AND SERVICE MANUAL 56 ...
Page 63: ...SECTION12 TROUBLESHOOTING 57 12 2 Manifold Gas Pressure Setting ...
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