Carrier 26H - Manual (Page 58)

26H S E R V I C E Carrier
OBSERVATION POSSIBLE CAUSE REMEDY AND REFERENCE SECTIONS
Plugged capillary, either
due to moisture, dirt or
crimped capillary
Purge charge; install new strainer-
drier. If capillary is damaged, re­
place accumulator assembly
(includes capillaries )
3, 7 & 8
Cubes "hanging-up" on
ice deflector screen Reposition deflector screen Installation
17
Examine evaporator for warped
or bulged freezing columns 10
Bln thermostat "cut­
out " setting may be too
high Adjust and check 30
Installation
2
Poor water distribution
due to scale on spreader
plates and/or clogged
screen on water pump
Recenter spreader plates and
water header nozzles
Clean water circuit, including
water pan and water pump screen
10, 12 & 15
15
Low refrigerant charge Check charge and time of
freezing cycle 4
17. Irregular shaped
cubes, or mixture of
good and shell cubes.
Evaporator tubing pulled
loose from freezing columns Replace evaporator 10
Cubes restricting one or
more columns
Examine deflector screen and ice
columns, remove obstructions Installation
15
Raise main control "cut-in"set­
ting slightly (this will increase
defrost time) 28
Float valve set too high.
Standpipe not seated Reset float valve; check for leaky
fl(5at valve. Seat standpipe pro­
perly. Installation
16
Bin thermostat pre­
maturely cuts off unit Check for a faulty bin therm­
ostat; check settings 30
Temporary power failure
during "freezing cycle" Turn unit "off "permit ice to melt
out of columns; start unit when
power is restored
Cubes hanging up in
columns due to bulged
tubes Check freezing columns. Replace
evaporator if columns are bulged 10
26H-57PD 58