Safety Warnings!
| Remove Power from the spa/hot tub BEFORE working on your equipment. Failure to comply with this requirement, can lead to
electrical shock and/or electrocution! |
Disclaimer
|
| The
instructions here are intended for general reference only. Many systems are different from the one that is depicted here, and may require more technical knowledge than what is displayed. |
READ FIRST BEFORE YOU
CONTINUE
|
Use this information
at your own risk! This is the basic 1 pump, 1 blower configuration, does
not cover all implementations or variations of this type of
control.
 |
| 1. Pump High
Speed |
18. Main Power Relay;
Neutral (ST-2115), L2 (ST-2240)* |
| 2.
Blower |
19. Main Power Relay;
L1* |
| 3. Spa Light (This
is a high voltage connection, wired to a light transformer which normally has a
12 volt AC output). |
20. Low Voltage Control
Plug, to spa side control. |
| 4., 5., 6., Ground
Connections |
21. Low Voltage
Regulator |
| 7. Pump Low
Speed |
22. Bridge
Rectifier |
| 8., 9., 11., 12.,
Neutral (ST-2115), L2 (ST-2240) |
23. Power Supply Filter
Capacitor |
| 10. Heater / Heater
Contactor |
24. Mode Select
Switch |
| 13. Spa Light
Relay |
25. Main Ground
Connection |
| 14. Blower
Relay |
26. Main Neutral
(ST-2115), or L2 (ST-2240) Connection |
| 15. Jets High (Pump High
Speed) Relay |
27. Main Hot, L1
Connection |
| 16. Jets Low (Pump Low
Speed) Relay -marked 'Circ'- |
E-4 Switched L1
Power |
| 17. Heater
Relay |
E-6, E-7 Magnetic
Interlock, (Must be jumpered for operation if door is
open, or magnet is not present on sensor) |
| *
The L1 and L2 relays (#18 and #19 above), are eliminated in
later versions of this circuit board, and are hard wired with wire jumpers in
place of the relays. |
|
