DRAFT
NOT FOR PUBLIC RELEASE
40
www.norcold.com/cda
N500/N510 Models
Refrigerator Service Manual
10. Install burner tube and burner assembly then install
burner tube and burner assembly retaining screw.
N500 units:
a. Connect gas supply to gas valve/thermostat
assembly.
b. Connect gas supply to burner.
N510 units:
a. Reconnect solenoid gas valve wiring to power
board terminals GV and GV_GND.
11. Connect the burner tube to the solenoid/manual
shutoff gas valve.
12. Install the spark/sense electrode assembly, then
install assembly retaining screw.
13. Set electrode-to-burner gap to 3/16".
14. Align canister to install the burner box cover, then
install the burner box cover retaining screw.
N500 units:
a. Connect one ac heater wire to ac heater inline
fuse.
b. Connect other ac heater wire to terminal block
terminal 5. See Figure 30, page 31.
c. Install ac heater.
d. For 3- way units, connect one dc heater wire to
dc heater inline fuse.
e. For 3-way units, connect other dc heater wire to
terminal block.
f. For 3-way units, install dc heater.
g. Close canister door.
h. Thread capillary tube through cabinet and
reconnect to fin assemby.
i. Reconnect thermocouple to interrupter.
j. Reconnect ground wire.
k. Install wire ties around split loom cover.
l. Install upper shroud.
m. Reconnect ac power cord to terminal block.
N510 units:
a. Connect ac heater wires to power board
terminals AC_HT-LO1 and AC_HT_HI.
b. Install ac heater.
c. For 3-way units, connect dc heater wires to the
power board.
d. For 3-way units, install dc heater.
!
CAUTION:
To prevent damage to connections, piping, and
components, always use two wrenches to loosen and
tighten LP gas connections. Damaged connections
create a potential for gas leaks.
!
WARNING:
Do not install the refrigerator if the combustion seal
has been damaged. A damaged combustion seal must
be replace. The seal isolates the living area of the
vehicle from the exhaust gases generated by LP gas
combustion. LP gas exhaust gases contain carbon
monoxide, which is an odorless, colorless gas that can
cause dizziness, nausea, or in extreme concentrations,
death.
e. Close canister door.
f. Install power board cover, then install power
board cover retaining screws.
g. Install power board cover retaining screws.
h. Connect ac power cord to power board.
i. Reconnect spark/sense electrode wire to power
board.
j. Install wire ties along split loom tubing.
15. Install drip cup, then install the drip cup retaining
screw.
Installation of Refrigerator into Enclosure
1. Check condition of combustion seal. Replace seal if
damaged.
2. Install refrigerator in enclosure. Make sure the
combustion seal seats fully against the rim of the
enclosure.
3. Install breaker retaining screws.
4. Install mounting flange retaining screws.
5. Connect RV LP gas supply line to gas valve inlet
fitting.
6. Open the manual gas valve shutoff.
7. Plug the ac power cord into the RV ac receptacle.
8. Open the RV LP gas tank valve(s).
9. Leak test all LP gas connections manipulated
throughout this procedure.
10. Place refrigerator in service.
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