45
®
Table 5:
YZ300 LOWER (40901) – REFER TO BULLETIN YZEM-3001
* Terminals 44 and 45 are internally connected
YZ300 MIDDLE (40902) – REFER TO BULLETIN YZEM-3001
* Terminals 49 and 50 are internally connected
* Terminals 53 and 54 are internally connected
YZ300 UPPER (40903) – REFER TO BULLETIN YZEM-3001
* Unused Bits 4-7 will always return 0
Default wiring for YZ300 Interlock Annunciator
Bit 7 Bit 0
Term 47 Term 46 Term 44* Term 43 Term 3 Term 42 Term 41 Term 40
Low Oil Temp High Oil
Temp
Low Water High Water Aux #3 Aux #2 Aux #1 Op Control
Bit 7 Bit 0
Term 57 Term 56 Term 55 Term 54* Term 52 Term 51 Term 49* Term 48
Aux #4 High Temp High Pres-
sure
Aux Gas High Gas
Pressure
Low Gas
Pressure
Low Atomizing
Media
Low Oil
Pressure
Bit 7 Bit 0
Term P Term 60 Term 59 Term 58
Unused Unused Unused Unused Air Flow Aux #7 Aux #6 Aux #5
AUX
LIM IT # 3
AUX
LIM IT #2
AUX
LIM IT #1
OPERATIN G
CONTROL
HIGH
WATER
LOW
WATER
42 41 40
L2 /N
HIGH OIL
TEMP.
LOW OIL
TEMP
LOW OIL
PR ESS
46 47
AIR
FLOW
AUX
LIM IT # 7
60
AUX
LIM IT # 6
AUX
LIM IT # 5
AUX
LIM IT # 4
HIGH
PRESSUR E
59585756
43 44
AUX
GAS
HIGH GAS
PRESSU R E
52
50
LOW GAS
PRESSUR E
51
LOW ATOM
MEDIA
48
53
45
OIL SELECT
GAS SELECT
49
SIM U LTAN EOU S FIRING
54
HIGH
TEMP
55
L1
3
E
P
See Bulletin YZEM -3001