Atwood AFLA35 Техническое руководство по установке - Страница 7

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VALVE CONVERSION

1.
See drawing to check which plug to use marking is on side of
adjustment reg. plugs. Furnace come with LP plug installed and
the natural plug in the bag with the natural gas orifice. NAT or LP
is stamped on the side. The type of gas being used must match
the plug and orifice in use when installed.
2.
Unscrew plug and remove from valve reg. tower. DO NOT
remove rod from inside the reg. tower or make any adjustments.
3.
A.
When set for LP and NAT is required:
Unscrew plug and replace the correct plug into tower for
NAT.
NAT should now be visible.
Finger tighten plug or with small wrench. DON'T over
tighten.
B.
When set for NAT and LP is required:
Unscrew plug and replace plug with the correct plug into
tower for LP.
LP should now be visible.
Finger tighten plug or with small wrench. DON'T over
tighten.
4.
This plug has been factory calibrated for this valve only. DO NOT
modify and DO NOT use plug on any other valve.
5.
Install the correct main burner orifice per the chart.

ORIFICE REPLACEMENT

1.
Remove gas line from valve.
2.
Remove burner assembly by removing 3 screws from back wall of
control box.
3.
Remove two screws holding the burner to the manifold.
Unscrew the orifice with a 7/16" wrench or socket and replace
4.
with the correct orifice per the chart corresponding to type of gas
required, which corresponds to the regulator plug setting.
5.
Replace two screws holding burner to manifold.
6.
Reinstall the burner assembly and put the three screws back into
the control wall.
7.
Replace the gas line and check for leaks.
After converting furnace, IN PLAIN SIGHT, put "converted" sticker
8.
(provided in you conversion packet) next to model number label.

ELECTRICAL CONNECTIONS

INJURY OR PROPERTY DAMAGE
 Label all wires before disconnecting for service. Wiring errors can
cause improper and dangerous operation.
 Verify proper operation after serving.
 Disconnect electrical power before servicing.
WARNING
PROPERTY DAMAGE
On units with 12 volt connection are for low-voltage battery or direct
current only.
Do not connect to 120 or 240 volts AC.
PROPERTY DAMAGE
This furnace is designed for negative ground 12 volts DC only. DO
NOT attempt to alter furnace for a positive ground system or connect
the furnace directly to 120 OR 240 volts AC.
INSTALLATION AND SAFETY CODES
USA and Canada – follow all applicable state and local codes in
the absence of local codes or regulations, refer to current
standards of:
ANSI/NFPA 1192 Recreational Vehicles Code and ANSI/RVIA LV
Low Voltage Systems in Conversion and Recreational Vehicles

12 VOLT DC WIRING

Label all wires before disconnecting for servicing. Wiring
errors can cause improper and dangerous operation. Verify
proper operation after servicing.
Disconnect electrical power before servicing.
Conductor Sizing – Maximum 10% Voltage Drop – (12VDC)
Table 1
OVERCURRENT PROTECTION (No Wire Bundling Restrictions)
Wire Size
20
18
16
14
12
10
8
6
4
2
Table 2
OVERCURRENT PROTECTION
*Not More Than Seven Wires Per Harness
**Not More Than Three Wires Per Harness
AWG OR SAE
Conductor Size
(Gage)
20*
18*
16*
14*
12*
10**
8**
6**
4**
2**
1**
1/0**
2/0**
3/0**
4/0**
7
CAUTION
CAUTION
Ampacity
Wire Type
3
Stranded only
6
Stranded only
8
Stranded only
15
Stranded only
20
Stranded only
30
Stranded only
40
Stranded only
55
Stranded only
75
Stranded only
100
Stranded only
Maximum Ampacity
Maximum Ampacity
at Conductor
at Conductor
Insulation
Insulation
Temperature Rating
Temperature Rating
of 90°
of: 105° C/125° C
5
7.5
10
17.5
22.5
40
55
75
95
130
150
170
195
225
260
7.5
10
15
20
25
50
70
100
120
150