Glycoolpac 27hx Manual
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Page 9 of 21
Hoshizaki Lancer reserve the right to change specifications without notice.
Part No 68000204
Images are for illustration purposes only as product may vary.
No 024 – 27 November 2013
6.4 Connecting Glycol Lines and Glycol Tank Overflow
Connect glycol out from the barbed outlet fitting on the glycol pump.
The glycol return MUST be plumbed to the return barb for the Glycoolpac 27hx to operate
properly.
During normal operation, some overflow may occur from the unit. The overflow should be
plumbed to a suitable tundish or drain. If neither of these is available, a suitable reservoir may
be used to collect overflow, but it must be emptied regularly.
Caution
Glycol is a very slippery substance. Any spills should immediately
be cleaned up to prevent slipping hazards.
6.5 Filling Unit with Glycol / Water
The Glycoolpac 27hx requires a 30% concentration glycol / water solution.
Pour 60 litres of food grade propylene glycol into the tank.
Danger
DO NOT USE ETHYLENE GLYCOL (AUTOMOTIVE RADIATOR
COOLANT) AS IT IS TOXIC TO HUMANS.
Top up tank with clean, potable water, until a small amount of solution dribbles out of overflow.
Confirm the concentration of glycol using a refractometer.
Additional premixed 30% glycol / water solution will be required for commissioning.
Relative Freeze Points for Glycol / Water Solution
0
7
14
21
27
0
-4
-8
-12
-22
-30
-20
-10
0
10
20
30
0%
10%
20%
30%
40%
Glycol / Water Mix
T
e
mpera
ture,
C
/
R
e
fr
act
o
met
e
r Re
ading
