YORK INTERNATIONAL
21
FORM 160.60-O1
* Stoichometric
** Lean Burn Engine (EPROM version C.04F.15 and earlier only)
*** ERPOM version C.04F.16 and later.
ENGINE TYPE
RPM RANGE
OVERSPEED
THRESHOLD RPM
G3408S *
1400 TO 1800
2100
G3412
1400 TO 1800
2100
G3508
1000 TO 1500
1750
G3512
1000 TO 1500
1750
G3516
1000 TO 1500
1750
G3606
700 TO 1000
1167
G3408L**
1400 TO 1800
2100
G3406***
1400 TO 1800
2100
Engine loading (%) is calculated as a function of mani-
fold pressure (PSIA) and engine speed (RPM). The chiller
MicroComputer Control Center receives the manifold pres-
sure value and engine speed value from the Engine Con-
trol Center. The program inserts these values into a load
profile graph as shown below to determine the % engine
loading.
Fig. 6 shows graphs for each series engine.
1000
1100
1200
1300
1400
1500
40.00
35.00
30.00
25.00
20.00
15.00
5.00
0.00
10.00
Speed (RPM)
Manif
old Pressure (PSIA)
Manifold Pressure vs. Engine Speed
G3512 Engine at Various Loads
0% Load
25% Load
50% Load
75% Load
100% Load
125% Load
LD02526
1000
1100
1200
1300
1400
1500
40.00
35.00
30.00
25.00
20.00
15.00
5.00
0.00
10.00
Speed (RPM)
Manif
old Pressure (PSIA)
Manifold Pressure vs. Engine Speed
G3516 Engine at Various Loads
0% Load
25% Load
50% Load
75% Load
100% Load
125% Load
LD02527
FIG. 6
MANIFOLD PRESSURE VS. ENGINE SPEED
S
E
C
T
2
