Aqua-Hot 375D, Installation Manual

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© 2008 Aqua-Hot ® 375-D Hydronic Heating System Installation Manual Rev. A
section 1: aqua-Hot Hydronic Heating system
Figure 3
3069328
For installa
tion only in a c
ompar
tmen
t tha
t is c
omplet
ely closed off fr
om living quar
ters and
ac
cessible only fr
om the out
doors
.
The Exhaust S
yst
em MUST NO
T t
er
mina
te benea
th the v
ehicle or under an openable windo
w or v
en
t.
Combustion A
ir MUST BE supplied fr
om outside the v
ehicle
.
CA
UTION:
THIS APPLIANCE OPER
ATES ON BO
TH A
C AND DC POWER.
USE C
OPPER C
ONDUC
TORS ONL
Y!
U
se a 25-
A
mp fuse f
or o
ver
-cur
ren
t pr
ot
ec
tion f
or the DC po
w
er supply
.
U
se a cir
cuit br
eaker tha
t cuts po
w
er a
t 20-
A
mps maximum f
or o
ver
-cur
ren
t pr
ot
ec
tion f
or the
120-
VA
C po
w
er supply
.
M
oun
t the Hea
ter near a ba
y/st
or
age door so tha
t the A
cc
ess C
ov
er can be easily r
emo
ved f
or ser
vic
e.
W
ARNING: DO NO
T OPER
ATE APPLIANCE
WITH A
CCESS C
OVERS REMOVED
.
M
inimum Hea
ter Clear
anc
es:
Fr
on
t - Open A
cc
ess
Back - 0 inches T
op - 0 inches
Sides - 0 inches
Install in str
ic
t c
omplianc
e with local c
odes
, NFP
A 1192, and the manufac
tur
er
’s instruc
tions
.
Dir
ec
t V
en
t A
pplianc
e
245
Figure 2
Pump-1 and
Pump-2 Inlet
Ports
Diesel Fuel
Inlet/outlet
Ports
I.D. label
Hot Water
outlet Port
Cold Water
Inlet Port
terminal Block access area
Zone 1 and 2
outlet Ports
air-Release
Valve
Expansion tank
Connection