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BULLDOG
3 Phase Gray Box Electrols Upgrade
How to upgrade gray box Electrols to S1 Electrols on 3
phase Bulldog models.
1. Secure Disconnect.
2. Remove items from gray box electrols.
a. Disconnect power source wires from L1, L2, L3 and GND.
Remove cord grip and power source wires from gray box Electrols.
b. Disconnect motor wires from 2T1, 4T2, 6T3 and motor ground.
Remove cord grip and motor wires from gray box Electrols.
c. Disconnect moisture alarm Probe wires from P1 and P2.
Remove wires from cord grip.
d. Disconnect remote switch wires from R1, R2, and RL.
Remove wires from cord grip.
3. Discard gray box Electrols.
4. Install motor starter.
5. Install S1 Electrols using the 4 mounting holes.
6. Install cord grip and power source wires into top knockout on
motor starter.
a. Connect power wires to L1, L2, L3 and GND.
Note: There will be 2 wires in the motor ground lug.
7. Install cord grip and motor wires into bottom knockout on motor
starter.
a. Connect motor wires to 2T1, 4T2, 6T3 and motor ground.
8. Install cord grip and control wires marked C1, C2, C3, and GND from
S1 Electrols
into bottom knockout on motor starter.
a. Connect wires C1, C2, C3, and GND to appropriate terminals.
9. Connect moisture alarm probe wires to terminals J and K on terminal
plug “56JK78”.
Note: If Electrols is part of a VSC or MPC, refer to “VSC or
MPC Manual” for further installation instructions.
10. Connect remote switch wires to terminal plug “FGH”.
a. Connect switch wire to F.
b. Connect light wire to G.
c. Connect common wire to H.
11. Perform “ 3 Phase Motor Startup” procedure.
Connect Low Voltage
Remote Switch to “FGH”
Connect Moisture
Alarm Probe to “JK”
S1 Electrols
Power Source Wires
L1, L2, L3, GND
3 Phase Gray Box Electrols
Note: Gray Box Electrols have several variations
Motor Wires 2T1, 4T2, 6T3
Motor Ground
Cord Grip
Remote Switch Wires
R1, R2, RL
Moisture Probe Wires
P1, P2
Motor Ground Lug
Motor Starter
Note: Motor Starter have several variations
Motor Wires 2T1, 4T2, 6T3
Motor Ground Motor Control Wires
C1, C2, C3, GND
Motor Ground Lug
Power Source Wires
L1, L2, L3, GND
3 Ft Conduit with
motor control wires
S1 Electrols Mounting
Holes (4)
Cover Screws (4)
