Connect Wiring; Warning Attention - Norcold N7 Quick Start Manual

Cold weather heater retrofit
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Install Part
C
New
Ref.
Description
K1.3
Heater / Thermostat
K1.4
Heater / Foil Backed Tape
K2
Spacers (2x)
K3
Screws (2x)
K4
Cable Ties (5x)
NI
A
Top of Small System Tube
NI
B
Bottom of Small System Tube
NI
C
Thermostat Mounting Holes
NI
Not Included - Reference only
Be sure the appliance has been isolated
WARNING
!
from the electrical supply before starting!
ATTENTION
Refer to the service manual for details.
Refer to Fig. 1 and Fig. 2.
1. Remove refrigerator from enclosure; refer to Service Manual for details.
2. Remove about two (2) inches of paper backing from the end of
expose adhesive.
3. Press
onto the small system tube at
K1.4
4. Secure with
(1x).
K4
5. Remove paper backing and wrap
between
and
.
A
B
6. Secure
to the small system tube with
K1.4
bends of the small system tube.
7. With the blue side of
facing away from you, put
K1.3
and then through
K1.3
K3
8. The blue side of
should be facing toward the refrigerator.
K1.3
9. Attach this assembly to rear of refrigerator using
A
Fig. 2
K1.4
.
A
around the small system tube
K1.4
(1x) at
and at both
K4
B
(2x) through
K2
(2x).
.
C

Connect Wiring

Determine the content of the auxiliary wiring circuit of the refrigerator:
If the refrigerator has neither a fan or an ice maker, go to "Cold Weather
Heater Only." Refer to Fig. 3.
If the refrigerator has only a fan, go "Cold Weather Heater and Fan."
Refer to Fig. 4.
If the refrigerator has only an ice maker, go to "Cold Weather Heater and
Ice Maker." Refer to Fig. 5.
If the refrigerator has both a fan and an icemaker, go to "Cold Weather
Heater, Fan, and Ice Maker." Refer to Fig. 6.
Cold Weather Heater Only
B
K7
New
Ref.
Description
K1.1
Heater / Positive Terminal - Red
to
K1.2
Heater / Ground Terminal - Black
K4
Cable Ties (5x)
K7
Short Wire - Red
K8
Long Wire - Red
K9
Long Wire - Black
NI
D
Main Control Board Assembly
NI
Not Included - Reference only
1. Connect
K8
to terminal P1-6 of
2. Connect
to
K7
K8
3. Connect
to terminal P1-1 of
K9
4. Connect
and
K9
5. Use remaining
K4
6. Return refrigerator to enclosure; refer to Service Manual for details.
2
16
15
P1
8 7 6
D
K9
K8
K1.2
K1.1
Fig. 3
D
.
and
.
K1.1
.
D
.
K1.2
to secure loose / slack wires.
Part No. 633970A (12.03.2018)
14
13
12
11 10 9
5 4 3
2 1
K8
K9

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N8N10639971

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