Specifications

SECTION IV
MAINTENANCE / SERVICE
4.8 Condensing Tank Water Level Sensor
Removal / Installation (Applies only to
Units with old style Control PC Board
with EPROM Version M or Before)
NOTE
Units with old style control PC board with EPROM
version N or after or new style control PC board do
not have a condensing tank water level sensor.
A. Removal
(1) Drain water from condensing tank.
(2) Remove back panel (Refer to para 4.5).
(3) Remove bellows assembly (Refer to para 4.7).
(4) Disconnect wire (1, Figure 4-7) from termi- nal
(2).
(5) Using Water Level Sensor Wrench to hold fitting
(3), loosen nut (4) (Refer to Table 1-2 for special
tool).
(6) Pull assembled level sensor rod (5) from
fitting (3).
(7) Remove nut (4), silicone tube (6), and crimp (7)
from level sensor rod (5). Discard silicone tube
and crimp.
(8) Using vise grips to hold level sensor rod (5),
remove nut (8) and terminal (2) from level
sensor rod.
B. Installation
(1) Using vise grips to hold level sensor rod (5),
install terminal (2) on level sensor rod and
secure using nut (8).
EQUIPMENT ALERT
The end of the silicone tube must extend
past nut (4) after nut is installed. If it is
not, the level sensor rod will not function properly
because the terminal will be in contact with nut (4).
(2) Install crimp (7), nut (4), and silicone tube (6) on
level sensor rod (5) and secure by crimping
crimp (7).
Figure 4-7. Condensing Tank Water Level
Sensor Removal / Installation
MA2054-01
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2
3
4
5
6
7
8
© Midmark Corporation 2002 SF-1827 Page 4-5 Printed in U.S.A.
(3) Install assembled level sensor rod (5) in fit-
ting (3).
(4) Using Water Level Sensor Wrench to hold fitting
(3), tighten nut (4) (Refer to Table 1-2 for special
tool).
(5) Connect wire (1) to terminal (2).
(6) Install bellows assembly (Refer to para 4.7).
(7) Install back panel (Refer to para 4.5).
(8) Refill condensing tank with distilled water.
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