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페이지 10
RLNIE  with Innovator Doors
Technical Data Sheet
10 of 10
HUSSMANN CORPORATION, Bridgeton, MO  63044-2483  U.S.A.
Fans & AS (120v)
Light (120v)
Light (Neutral)
Fans & AS (Neutral)
Fans & AS (120v)
Light (120v)
Light (Neutral)
Fans & AS (Neutral)
Fans & AS (120v)
Light (120v)
Light (Neutral)
Fans & AS (Neutral)
Fans & AS (120v)
Light (120v)
Fans & AS (Neutral)
Light (Neutral)
RLNIE 
Wir
ing Diag
ram f
o
r Gas Defrost
Main Field Electr
ical Connection Rear of Case
(T
er
minal Bloc
k Located in RH Doorfr
a
me wire
w
a
y)
F
ront of Case
(Three door F
rame)
End Case
(T
w
o
 door F
rame)
Rear of Case
(Three door F
rame)
F
ans & AS (120)
Standard RL ter
m
inal b
loc
ks 
in door fr
ame wire
w
a
y.
Ne
w ter
m
inal b
loc
k located in 
RH door fr
ame wire
w
a
y.
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12
13
14
16
17
20
21
22
24
25
26
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11
12
13
14
16
17
20
21
22
24
25
26
10
11
12
13
14
16
17
20
21
22
24
25
26
Lights (120)
F
ans & AS (Ntr
l)
Lights (Ntr
l)
F
ront of Case
(Three door F
rame)
End Case
(T
w
o
 door F
rame)
Rear of Case
(Three door F
rame)
Gas Defr
ost Sequence - Lo
w T
emperatur
e
1.
Defrost v
apor enters e
v
aporator causing a rise in temperature. At about 35°F the Control Relay Thermostat 
(5)
closes the F
an Relay Coil 
(7) 
and Control Relay Coil 
(6) 
circuit.  The Coil opens the F
an, Door Heater
,
and Frame Heater circuits, while ener
gizing the Drain P
an Heater 
(9)
.
2.
If the Drain P
an Heater 
(9)
raises internal air temperature abo
v
e 90°F
, the Heater Limit Thermostat 
(4) 
will open.
3.
When the defrost timer ends a defrost period, the e
v
aporator temperature will start to f
all.  At about 20°F
, the Control
Relay Thermostat will open, de-ener
gizing the Control Relay Coil and F
an Relay Coil 
(7). 
Control and F
an Relay’
s
will open the Drain P
an Heater circuits, and will close the F
an, Door Heater
, and Frame Heater circuits.