Hussmann FNGSC-A, Installation & Operation Manual

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5-8
S
ERVICE
P/N 3141959_C
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8 . Reverse the process and make sure
everything is in place .
INVERTER BOARD DIAGNOSTICS
Diagnostics:
The Fullmotion CF10B Inverter has two
diagnostics methods, by visual light emission
using a LED indication, or by serial
communication protocol .
LED indication:
The LED diagnostics function helps service
technicians to diagnose possible fault
components by blinking a LED inside the box
in different patterns . Basically, it indicates if
there is a problem with compressor CF10B
Inverter or Thermostat . The table below
describes the failure modes:
GD
F
3.
0
SH
EE
T
M
ET
AL
S
HE
ET
S
IZ
E
D
NOTES:
1. APPLICABLE STANDARDS / SPECIFICATIONS
ASME Y14.5M-1994, DIMENSIONS AND TOLERANCES
2. KEY PRODUCT CHARACTERISTICS PER EPR-0006 & IDENTIFIED WITH SYMBOL
3. MATERIAL-
4. REF
THIRD
ANGLE
PROJECTION
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES.
TOLERANCES ARE:
DECIMALS .XX
u
.03, .XXX
u
.010
ANGLES
u
2
v
SHEET 4 OF 5
P/N REV
NOTES APPLICABLE UNLESS OTHERWISE SPECIFIED
DO NOT SCALE - DIMENSIONS TO OUTSIDE UNLESS OTHERWISE NOTED
PART TO BE FREE OF BURRS, SHARP EDGES, AND CORNERS
R
3 . Make sure there is no refrigerant left in the
system .
4 . Slide out the condensing unit . Be careful
using the condensing unit base to pull it
out . Make sure not to stress or interfere
with other parts .
5 . Remove coil by pulling up and disconnect
wires .
6 . Release clamps and remove welded joints
from the valves .
7 . Replace solenoid valves .
FNGSC8A, FNGSC4A
Condensing Unit
FNGSC6A
Condensing Unit
FNGSC8A
Condensing Units
Shown