Balboa GS523DZ Control Box

1 Introduction

This section provides essential information for the end user. For technical details and installation procedures, refer to the Technical Specifications at the end of this document.

2 What is the GS523DZ Control Box

The GS523DZ belongs to the Balboa GS series, a simpler line of control boxes compared to the BP series. It manages massage pumps, heating, filtration, lights, blower, and ozone system. It is located in the hot tub equipment compartment and is connected to VL series panels (VL801D, VL802D) with segmented LCD displays.

3 Electrical Connection

Schema gs532dz

The electrical installation of the control box must be performed exclusively by a qualified electrician, in compliance with local electrical codes and regulations.

System Requirements

Requirement	Single Phase	Three Phase 400V
Power Supply	230V~ 50Hz	400V 3N~ 50Hz
Residual Current Device	Dedicated 30mA	30mA four-pole
Circuit Breaker	32A C curve (max 40A)	16A per phase (max 20A)
Cable Size	3G4mm²	5G2.5mm²
Earth Connection	Mandatory	Mandatory
Panel-to-Tub Distance	Minimum 3 meters	Minimum 3 meters

DANGER: Do not attempt to make electrical connections yourself. Incorrect wiring can cause electrocution, fire, or irreparable damage to the control box.

Power Supply Type

The GS523DZ supports various electrical configurations, including three-phase 400V (requires PCB Rev B).

Configuration	Voltage	Current	Recommended Use
Single Phase (Single Service)	230V~	1x32A	Standard residential installations
Dual Phase (Dual Service)	230V~	2x16A	Loads distributed across 2 lines
Three Phase 400V (3-Phase)	400V 3N~	16A per phase	Industrial installations, native three-phase

IMPORTANT: The three-phase 400V configuration requires PCB Rev B and the connection MUST include neutral (phase-to-neutral voltage 230V). See the technical section for wiring instructions.

3.1 Standard GS523DZ Connection (single-phase 220-240V + earth)

Schema gs523dz 220v

Note: this is the standard configuration and no modifications are required during installation.

Post-Installation Verification

After installation by the technician, verify that:

The status LED on the control box is lit
The panel display turns on and shows the temperature
No error codes appear
The pumps respond to commands from the panel
The heater activates when requested

4 Controlled Functions

The GS523DZ control box manages the following components:

Component	Function
Pump 1	Main massage pump (2 speed)
Pump 2	Secondary massage pump
Pump 3	Additional pump
Circulation Pump	Continuous filtration (Setup 2 only)
Blower	Air bubble blower
Heater	Water heating (3kW)
Ozone	Ozone sanitization system
Light	Tub lighting (10V)
A/V	Audio/video output

5 Compatible Panels

The GS523DZ works with the following Balboa VL series control panels:

Panel	Part Number	Type
VL801D	54121	Segmented LCD
VL802D	54562	Segmented LCD

NOTE: VL series panels have a segmented LCD display, different from the graphic displays of TP panels. The interface is simpler but still complete for basic functions.

6 Advanced Technical Information

This section is intended for qualified installers and technicians.

6.1 Product Identification

Specification	Value
Model	GS523DZ
System PN	54763-01
System Model	GS5-GS523DZ-RCA-3.0
Software Version	43
Release Year	2009
Available Setups	2
Series	GS (vs BP)

6.2 Electrical Specifications

Parameter	Value
Single Phase Power	230VAC, 50Hz, 1x32A
Dual Phase Power	230VAC, 50Hz, 2x16A
Three Phase Power	400VAC 3N~, 50Hz, 16A per phase (requires PCB Rev B)
Heater Power	3.0kW @ 240V

6.3 Three-Phase 400V Configuration (3-Phase Service)

Schema gs523dz 380v

The three-phase configuration requires PCB Rev B and the following wiring modifications:

Completely remove the white wire from J26 and J32 (or J25)
Completely remove the blue wire from J28 and J58
Connect the 3 phases (L1, L2, L3), neutral (N), and earth (PE)

Three-phase load distribution:

Phase	Loads
L1	Heater
L2	Expansion boards (optional)
L3	Pump 1, Blower, main board equipment

IMPORTANT: The connection MUST include neutral with phase-to-neutral voltage of 230VAC.

6.4 System Outputs

Output	Voltage	Notes
Pump 1	230V	2-Speed
Pump 2	230V	1-Speed
Pump 3	230V	1-Speed
Blower	230V	-
Ozone	230V	-
Circ Pump	230V	Setup 2 only
Spa Light	10V	-
A/V	230V	-
Heater	-	3.0kW

6.5 Setup Reference Table (2 Configurations)

Setup	Circ Pump	Pump 1	Pump 2	Pump 3	Blower	Ozone
1	-	2-Spd 230V	1-Spd 230V	1-Spd 230V	230V	230V
2	230V	2-Spd 230V	1-Spd 230V	1-Spd 230V	230V	230V

NOTE: The key difference between Setup 1 and Setup 2 is the presence of a dedicated Circ Pump. In Setup 1, filtration occurs via Pump 1 low speed.

6.6 DIP Switch S1 (A1-A10)

Switch	OFF	ON
A1	Normal Operation	Test Mode
A2	Normal	16A Total
A3	Not Assigned	Not Assigned
A4	Not Assigned	Not Assigned
A5	Pump 1 2-Speed	Pump 1 1-Speed
A6	50Hz	60Hz
A7	J17/26 Disabled	J17/26 Enabled
A8	Celsius (C)	Fahrenheit (F)
A9	Normal Circ Mode	24hr Circ Mode
A10	Normal	20A Total

6.7 Important Jumpers

Jumper	Position	Function
J11	2 PIN	Heater 3kW or higher
J11	1 PIN	Heater 2.5kW or lower
J12	-	Software selection (DO NOT MODIFY)
J43	CLOSED	Reset Persistent Memory

WARNING: Do not modify J12. Incorrect modification can render the system unusable.

6.8 Memory Reset

To restore factory settings (different from BP series):

Disconnect the power supply
Close jumper J43
Reconnect the power supply
Wait for the reset
Disconnect the power supply
Open jumper J43
Reconnect the power supply

6.9 Additional Options

Dolphin Remote - Wireless remote control
IR Receiver Module - Infrared receiver
MoodEFX / FiberEFX Lighting - Advanced lighting systems
Expander Board X-P332 CE - Expansion board

Manuals and technical sheets

GS523DZ PDF, 0.7 MB · EN Download— Download the PDF

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