Everest Glycol System Chiller
lancerbeverage.com
Page 9 of 13
Hoshizaki Lancer reserve the right to change specifications without notice
No 007 – 5 November 2010
6.2 Scheduled
Maintenance
-
Check water/glycol level.
-
Check water/glycol concentration using refractometer (see chart).
6.3 Trouble
Shooting
TROUBLE CAUSE
REMEDY
Condensing unit
will not start.
Beer Warm
Power Failure.
Thermostat/probe failure.
Solenoid coil failure.
Glycol bath temp within control set points
Suction line hand valve if fitted (closed
Faulty Glycol Pump
Faulty TX valve
Incorrect Glycol concentration (poor
agitation)
Check for blown fuse or cord pulled out.
Replace.
Replace.
Check set points.
Open hand valve
Repair/replace pump
Replace TX valve
Check with refractometers and adjust
No product flow
Thermostat Set too low
Frozen product line.
Reset thermostat
Switch off refrigeration while leaving pump
running and beer tap open. Allow to thaw.
Ensure that water is not lift in product lines
after cleaning/ flushing Some beers will
freeze when set temp is below -2.5°C
Relative freeze points and refractometer readings for propylene glycol / water mix
-30
-20
-10
0
10
20
30
0%
10%
20%
30%
40%
fr
eez
e p
o
in
t °
C
/
r
ef
rac
to
m
et
e
r r
ead
in
g
refractometer reading
freeze point
