Carrier 26H - Manual (Page 59)

S E R V I C E 26H
nr
OBSERVATION POSSIBLE CAUSE REMEDY AND REFERENCE SECTIONS
17. Irregular shaped cubes,
or mixture of good and
snell cubes.
"Sticks" of ice
Improper Feed Through
Poor water distribution Check refrigerant charge
Check spreader plates. Descale if
necessary
4
Fig. 17
Safety overflow switch/
failed to cutout machine Adjust or replace 29
18. Cloudy cubes Poor water distribution Check spreader plates, water header
nozzles and pump circuit for obstruc­
tions and scale. Clean system with
solvent
12 & 15
Dirty water supply Check water piping; clean unit
periodically; clean water strainer;
install water filter
14
A cloudy surface is
normal while cubes are
in storage bln Cloudy surface will clear when
cubes are placed in liquid
19. Unit does not freeze
enough ice per day.
Freezing cycle too long
due to high head pressure Adjust water regulating valve to
give 125 psig on 26H5 or 130 psig
on 26H3 5 & 13
Freezing cycle too long
due to water siphoning out
of water pan
Adjust float valve 11
"Freezing cycle" too long
due,to excessive splatter
of circulating water into
bin
Check for torn plastic curtain or
cubes holding plastic curtain out
of position Installation
Fig. 14
"Defrost cycle" too long due
to low head pressure
Adjust water reg. valve; check
refrigerant charge 4, 5, 13
& 14
"Defrost cycle "too long
due to high cut-in setting
of main control
Lower "cut-in" setting main
control 28
Caution: All cubes should drop
out before freezing begins. One
to one and one half minutes
recommended between the dropping
of the last cube and the beginning
of the freezing cycle.
59
26H-57PD