Dean D50 Installation, Operation & Maintenance Manual page 10

3.7 ADJUSTMENTS / ADAPTATION
TO DIFFERENT GASES:
a. Proper operation
requires operator
respect the following adjustments in
terms of:
1. gas inputs and pressures, air
adjustment;
2. voltage and polarities of electrical
power supply.
3.8 GAS INPUTS:
a. Nominal Qn Heat Input is:
D50G: 20 kW.
D60G: 25 kW.
b. Inputs for different gases are as follows:
Natural Gas
G20
(Type H)
Natural Gas
G25
(Type L)
G31
Propane
G31
Propane
3.9 CHART: ADJUSTMENT TO DIFFERENT GASES
GASES AND PRESSURES
SUPPLY (1)
Diameter and markings
injectors
Burner
Pilot
(2) Gas pressure
regulator (mbar)
NOTE: Outlet gas pressure must be controlled with precision 5 to 10 minutes after appliance is
operating.
(1) – (2): For controls and adjustments, please refer to "gas valve" illustration.
(Pilot : adjustment of flame' s volume may be achieved by acting on the screw that is mounted on the
gas valve).
of appliances
to scrupulously
D50G
20 mbar: 2,11 m
25 mbar: 2,46 m
37 mbar: 1,55 kg / hr.
50 mbar: 1,55 kg / hr.
G20
20 mbar
of
1,90 mm
"blue" marking
TJ024
at the
12,0
b. Dean gas fryers are manufactured to
use the type of gas and pressure
specified on the rating plate. When
changing gas, adaptation must be
performed by qualified personnel.
Failure to use qualified personnel will
void the Dean warranty.
D60G
3
/ hr. 20 mbar: 2,64 m
3
/ hr. 25 mbar: 3,07 m
37 mbar: 1,93 kg / hr.
50 mbar: 1,93 kg / hr.
G25
25 mbar
1,90 mm
"blue" marking
TJ024
17,5
9
3
/ hr.
3
/ hr.
G31
37 mbar
1,28 mm
"red" marking
TJ013
"red"
2,2