RAMVAC BISON - Standard Models 1 Phase Electrols Upgrade; Upgrade Gray Box Electrols to S1 (1 Phase Standard)

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STANDARD
1 Phase Gray Box Electrols Upgrade
How to upgrade gray box Electrols to S1 Electrols on all
1 phase Standard models.
1. Secure disconnect.
2. Disconnect gray box Electrols.
a. Disconnect power source wires from L1, L2, and GND. Remove
cord grip and power source wires from gray box Electrols.
b. Disconnect motor wires from 2T1, 4T2, 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 S1 Electrols using the 4 mounting holes.
5. Remove the cover screws and cover.
Note: There will be 2 wires under L1 screw and 2 wires under
GND screw.
6. Install cord grip and power source wires in side knockout on S1
Electrols.
a. Connect power source wires to L1, L2, and GND.
7. Install cord grip and motor wires to bottom knockout on S1 Electrols.
a. Connect motor wires to L1, M1 and GND.
8. Install cover using the screws previously removed.
9. If present, disconnect oil switch (spade terminals) from moisture
alarm cord.
a. Connect supplied extensions to wires coming from oil switch and
connect to terminals 1 and 2 on terminal plug “12DE34”.
10. 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 User Guide” for further installation instructions.
11. Connect
low voltage 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.
Power Source Wires
L1, L2, GND
1 Phase Gray Box Electrols
Note: Gray Box Electrols have several variations
Remote Switch Wires
R1, R2, RL
Moisture Probe Wires
P1, P2
Motor Wires 2T1, 4T2
Motor Ground
S1 Electrols
Install Power
Source Wires
Install Motor Wires
Connect Remote
Switch to “FGH”
Connect Moisture
Alarm Probe to “JK”
S1 Electrols
Mounting Holes (4)
Motor Ground Lug
If Present,connect
oil switch to “1 2”
Cover Screws (4)