Commander Ductable Make-Up Air Heater
Owner’s Manual •
Commander Ductable Make-Up Air Heater
27
Commander Ductable Make-Up Air Heater
27
Premier Ductable
Heater
Owner’s Manual •
Premier 700DF
29
Owner’s Manual • Commander Ductable Make-Up Air Heater
M
ot
or d
oe
s
not
ru
n.
Is h
ea
te
r
plu
gg
ed i
n?
Plug
heater
to a proper
power source
M
ov
e t
he s
el
ec
to
r
sw
itc
h t
o t
he V
EN
T
pos
ition
.
Check
all
electrical connections. Verify
proper voltage with a voltage tester. Contact a quali
fied electrician if proper
voltage is not p
resent.
Re
pl
ac
e s
el
ec
to
r s
wi
tc
h
Rec
on
nec
t
wi
re
s t
o
cap
ac
ito
r.
De
fe
ct
ive m
ot
or
.
Re
pl
ac
e t
he m
ot
or
.
Is s
el
ec
to
r
sw
itc
h s
et t
o
VEN
T?
Ye
s
No
No
No
No
No
No
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
Is p
ro
pe
r v
olt
ag
e
su
pp
lie
d t
o
selector
switch?
Is proper voltage
suppled
from selector switch to
motor?
Is fan wheel binding?
Ar
e w
ire
s
disc
on
ne
ct
ed
fro
m c
ap
ac
ito
r?
VE
N
TI
LA
TI
O
N M
O
D
E:
M
ot
or h
um
s,
do
es n
ot o
pe
ra
te
Ye
s
Ye
s
No
No
Is the fan wheel
binding?
Ar
e w
ire
s d
isc
on
ne
ct
ed
fro
m c
ap
ac
ito
r?
Defective
capacitor.
Replace the motor
Re
co
nn
ec
t w
ire
s t
o c
ap
ac
ito
r.
Motor runs but with low air output
Ch
eck
vo
ltage, clean fan wheel, or replace motor
Check for damage to motor, fan wheel spacing, and fan ring. Repair or replace as necessary.
Check
for
damage to motor, fan wheel, and fan ring. Repair or replace
as
necessary.