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
LIMIT #3
AUX
LIMIT #2
AUX
LIMIT #1
OPERATING
CONTROL
HIGH
WATER
LOW
WATER
42
41
40
L2/N
HIGH OIL
TEMP.
LOW OIL
TEMP
LOW OIL
PRESS
46
47
AIR
FLOW
AUX
LIMIT #7
60
AUX
LIMIT #6
AUX
LIMIT #5
AUX
LIMIT #4
HIGH
PRESSURE
59
58
57
56
43
44
AUX
GAS
HIGH GAS
PRESSURE
52
50
LOW GAS
PRESSURE
51
LOW ATOM
MEDIA
48
53
45
OIL SELECT
GAS SELECT
49
SIMULTANEOUS FIRING
54
HIGH
TEMP
55
L1
3
E
P
See Bulletin YZEM-3001
