Model: ARM-6P
Mærke: ARGO
The Argo ARM-6P is a robust Six Zone Control Switching Relay designed for efficient management of heating zones. This unit features an electronic fuse with auto-reset capability and a powerful 30VA transformer, capable of handling up to 15 zones when used with compatible add-on modules. Its double-sided printed circuit board construction ensures reliability, having been 100% factory tested.
Key features include separate isolated switch and ZC/ZR relays to protect the boiler aquastat, a diagnostic light for easy troubleshooting, switchable priority, and a priority safety timer to ensure all zones receive heat and prevent freeze-ups. A 5-second time delay for boiler shut-off is also integrated. The unit operates on 120V/60Hz power.

Image: The Argo ARM-6P Six Zone Control Switching Relay, showing its black casing and clear window for viewing internal components.
Vigtig: Installation of the Argo ARM-6P should only be performed by a qualified electrician or HVAC technician. Ensure all local electrical codes and safety regulations are followed. Disconnect power to the heating system before beginning installation.
Select a suitable location near the boiler or heating system, ensuring adequate ventilation and protection from moisture. Securely mount the relay unit to a wall or panel using appropriate fasteners.
The ARM-6P is designed for 120V/60Hz operation. Connect the main power supply to the designated terminals. Connect the thermostat wires for each zone to the corresponding zone terminals. Ensure proper polarity for all connections. The unit features separate isolated switch and ZC/ZR relays for boiler aquastat protection.
The 30VA transformer is robust enough to handle up to 15 zones, which can be achieved by integrating Plug-in, Add-on Modules (AD-1 or AD-4) if more than six zones are required. Refer to the wiring diagram provided with the physical product for detailed connection instructions.

Image: The internal circuit board of the Argo ARM-6P relay, showing the various terminals and electronic components for zone control.
Once installation is complete and verified, restore power to the heating system. The ARM-6P will power on. The electronic fuse will auto-reset if a temporary overload occurs.
Each connected thermostat will signal its respective zone on the ARM-6P. When a thermostat calls for heat, the corresponding relay on the ARM-6P will activate, sending a signal to the boiler.
The ARM-6P features a switchable priority setting. This allows a designated zone (e.g., domestic hot water) to take precedence over other heating zones when calling for heat. Consult the physical product's internal settings or manual for how to configure this feature.
To prevent other zones from being without heat for extended periods, the unit includes a priority safety timer. This timer ensures that even if a priority zone is continuously calling for heat, other zones will receive heat every 30 minutes. This also helps prevent freeze-ups in non-priority zones.
A 5-second time delay is incorporated for boiler shut-off. This feature helps to optimize boiler operation and prevent short cycling.
The Argo ARM-6P is designed for reliable, maintenance-free operation. Its double-sided printed circuit board construction and 100% factory testing contribute to its durability.
The ARM-6P includes a Relay Diagnostic Light, which can assist in identifying operational issues. This light is easily visible through the window on the cover.
| Symptom | Mulig årsag | Handling |
|---|---|---|
| Unit has no power / Diagnostic Light is off | No power supply; tripped circuit breaker; loose wiring connection. | Check power supply to the unit. Verify circuit breaker is on. Inspect all wiring connections for tightness. Consult a qualified technician if issue persists. |
| One or more zones not heating | Thermostat issue; zone valve/pump issue; wiring fault to zone; relay malfunction. | Check the thermostat for the affected zone. Observe the Relay Diagnostic Light for the specific zone to see if it's signaling a call for heat. Verify wiring to the zone. If the light indicates a call for heat but no heat is delivered, inspect the zone valve or pump. |
| Boiler short cycling | Incorrect boiler settings; issue with boiler aquastat; rapid heat calls. | Ensure the 5-second time delay for boiler shut-off is functioning. Consult boiler manual for optimal settings. The ARM-6P's isolated switch and ZC/ZR relays protect the aquastat, but external issues may exist. |
For complex issues or if troubleshooting steps do not resolve the problem, contact a certified HVAC technician or the manufacturer's support.
Information regarding the specific warranty terms for the Argo ARM-6P Six Zone Control Switching Relay was not available in the provided product data. For detailed warranty information, please refer to the documentation included with your product or visit the official ARGO manufacturer's webwebsted.
For technical support, installation assistance, or service inquiries, please contact ARGO customer service or a certified HVAC professional.
No official product videos from the seller were available in the provided data for the Argo ARM-6P Six Zone Control Switching Relay.
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