Inspection and Maintenance
8-8
750-211 (revised 2009)
Promethean Boilers, Model 4WI Manual
8.6 — Flame Safety Control
The microprocessor based control requires minimal maintenance because the safety and logic timings are inaccessi-
ble. There also are not any accessible contacts. Check to see that the retaining screw is securely holding the chassis
to the mounting base. Also check to see that the amplifier and the program module are tightly inserted.
The relay's self-diagnostic ability includes advising when it or its plug-in modules are at fault and require replace-
ment.
FIGURE 8-9.
Recommended Maximum Fusetron® Fuse Sizes
SECONDARY FUSE
550-600
440-480
346-416
220-240
200-208
110-120
15 KW HEATER
10 KW HEATER
7-1/2 KW HEATER
5 KW HEATER
3 KW HEATER
2 KW HEATER
200 HP MOTOR
150 HP MOTOR
125 HP MOTOR
100 HP MOTOR
75 HP MOTOR
60 HP MOTOR
50 HP MOTOR
40 HP MOTOR
30 HP MOTOR
25 HP MOTOR
20 HP MOTOR
15 HP MOTOR
10 HP MOTOR
7-1/2 HP MOTOR
5 HP MOTOR
3 HP MOTOR
2 HP MOTOR
1-1/2 HP MOTOR
1 HP MOTOR
3/4 HP MOTOR
1/2 HP MOTOR
1/3 HP MOTOR
1/4 HP MOTOR
FRN-5-6/10
FRS-2
FRS-2-1/2
FRS-2-8/10
FRN-3-1/2
FRN-4
FRN-7
FRN-50
FRN-30
FRN-20
FRN-40
FRN-30
FRN-25
FRN-20
FRN-17-1/2
FRN-12
FRN-9
FRN-8
FRN-12
FRS-3-1/2
FRS-3-1/2
FRS-4
FRN-7
FRN-8
FRN-15
FRN-25
FRN-15
FRN-12
FRN-60
FRN-50
FRN-35
FRN-20
FRN-15
FRN-12
FRN-10
FRN-9
FRN-6-1/4
FRN-4-1/2
FRN-4-1/2
FRN-15
FRS-4-1/2
FRS-5-6/10
FRS-6-1/4
FRN-10
FRN-12
FRN-17-1/2
FRN-45
FRN-30
FRN-25
FRN-15
FRN-10
FRN-7
FRN-450
FRN-350
FRN-250
FRN-200
FRN-175
FRN-150
FRN-100
FRN-90
FRN-70
FRN-60
FRN-40
FRN-30
FRN-20
FRN-12
FRN-9
FRN-7
FRN-5
FRN-4-1/2
FRN-2-8/10
FRN-1-8/10
FRN-1-8/10
FRN-20
FRS-5-6/10
FRS-7
FRS-8
FRN-12
FRN-15
FRN-25
FRN-45
FRN-30
FRN-25
FRN-15
FRN-10
FRN-7
FRN-600
FRN-4-1/2
FRN-2-8/10
FRN-1-8/10
FRN-1-8/10
FRS-35
FRS-25
FRS-15
FRS-10
FRS-6-1/4
FRS-150
FRS-125
FRS-100
FRS-80
FRS-60
FRS-50
FRS-40
FRS-30
FRS-20
FRS-17-1/2
FRS-12
FRS-8
FRS-5-6/10
FRS-4
FRS-3-2/10
FRS-2-1/4
FRS-1-8/10
FRS-25
FRS-17-1/2
FRS-12
FRS-8
FRS-5-6/10
FRS-4-1/2
FRS-300
FRS-225
FRS-200
FRS-150
FRS-125
FRS-100
FRS-80
FRS-70
FRS-50
FRS-40
FRS-35
FRS-25
FRS-17-1/2
FRS-15
FRS-10
FRS-6-1/4
FRS-4-1/2
FRS-3-2/10
FRS-2-1/4
FRS-1-8/10
FRS-1-4/10
FRS-1
FRS-1
FRS-20
FRS-12
FRS-10
FRS-6-1/4
FRS-4-1/2
FRS-3-2/10
FRS-250
FRS-200
FRS-150
FRS-125
FRS-100
FRS-80
FRS-70
FRS-50
FRS-40
FRS-35
FRS-25
FRS-20
FRS-15
FRS-12
FRS-8
FRS-5
FRS-3-1/2
FRS-2-1/2
FRS-1-8/10
FRS-1-4/10
FRS-1
FRS-8/10
FRS-8/10
ELECTRICAL LOAD
110-120 V
SINGLE PHASE 50/60 HERTZ
220-240 V
200-208 V
220-240 V
THREE PHASE 50/60 HERTZ
346-416 V
440-480 V
550-660 V
RECOMMENDED MAXIMUM "FUSETRON" FUSE SIZES
FRN-500
FRN-450
FRN-5
FRN-7
FRN-9
FRN-12
FRN-20
FRN-30
FRN-35
FRN-50
FRN-70
FRN-80
FRN-100
FRN-150
FRN-175
FRN-200
FRN-250
FRN-300
FRN-400
1/2 KVA.
1 KVA.
1-1/2 KVA.
2 KVA.
CONTROL CIRCUIT
XFMR VOLTAGE
CONSULT CLEAVER-BROOKS ELECTRICAL ENGINEERING DEPT. FOR "FUSETRON" FUSE SIZE
FOR POWER SYSTEMS WITH VOLTAGE, FREQUENCY OR PHASE NOT MENTIONED ABOVE.
MOTOR, OIL HEATER, & CCT FUSE SIZING
Summary of Contents for 4WI
Page 46: ...Burner Operation and Control 2 22 750 211 revised 2009 Promethean Boilers Model 4WI Manual...
Page 62: ...Waterside Care and Requirements 3 16 750 211 revised 2009 Promethean Boilers Model 4WI Manual...
Page 70: ...Sequence of Operation 4 8 750 211 revised 2009 Promethean Boilers Model 4WI Manual...
Page 114: ...Adjustment Procedures 6 28 750 211 revised 2009 Promethean Boilers Model 4WI Manual...
