Graco Gusmer H-20 Pro Operation page 12

F . 6: Electrical Console Components
IG
38 Control Main Terminal Block
Termination/distribution point for control system
component wires.
39 Control Transformer Secondary Circuit Breaker
Provides over-current protection for control
transformer secondary 120 VAC output.
40 Master Relay
Controls distribution of 120 VAC to control power
system. Control power switch energizes relay.
41 A- (Isocyanate) Heater Control Relay
Controls distribution of line voltage to A-primary
heater circuit. A-primary heater temperature
controller controls relay.
42 B- (Resin) Primary Heater Control Relay
Controls distribution of line voltage to B-primary
heater circuit. B-primary heater temperature
controller controls relay.
43 Motor Contractor
Supplies line voltage to electric motor. Hydraulic
motor switch controls contractor.
12
Front of Machine
40
54
39
46
38
42
45
44
41
43
53
50
48
44 A- (Isocyanate) Primary Heater Contractor
Supplies line voltage to A-primary heater. A-
primary heater switch controls contractor.
45 B- (Resin) Primary Heater Control Contractor
Supplies line voltage to B-primary heater. B-primary
heater switch controls contractor.
46 Hose Heat Contractor
Supplies line voltage to hose heat system. Hose
heater switch controls contractor.
47 Motor Circuit Protector
Provides thermal overload and over-current
protection for hydraulic motor circuit.
48 A- (Isocyanate) Heater Circuit Breaker
Provides over-current protection for A-primary
heater circuit.
49 B- (Resin) Primary Heater Circuit Breaker
Provides over-current protection for B-primary
heater circuit.
Component Identification
51
49
52
47
311392C