American Standard pc610-1 Timer Pump Exercise Card

Product Description

The AMERICAN STANDARD pc610-1 is a solid-state universal timer plug-in card designed to cycle pumps and open zone valves connected to compatible Expandable Controls at selected time intervals. It is engineered for use with pre EXP-4 models, as EXP-4 units have equivalent functionality built in. HVAC technicians and hydronic heating specialists install this card to reduce seasonal start-up failures caused by harsh water conditions. The control can also be configured to cycle more frequently during cold weather months, lowering the risk of freeze-ups in hydronic systems.

This plug-in card is suited for residential and light commercial hydronic heating systems where pump and zone valve activity must be maintained during periods of low demand. It is particularly useful in systems that use domestic hot water heaters as a heat source, where systematic water circulation helps minimize bacterial growth. The card attaches directly to the Expandable Control, making it a straightforward addition during routine service or seasonal commissioning.

Key Features

• Solid-state universal timer design for reliable, long-term operation
• Cycles all connected pumps or opens all zone valves at selected intervals
• Configurable cycling frequency to reduce freeze-up risk in cold weather
• Helps minimize bacterial growth in systems using domestic hot water heaters as heat source
• Reduces seasonal start-up problems associated with harsh water conditions
• Plug-in card format for direct installation into compatible Expandable Controls

Compatibility

Designed for use with pre EXP-4 Expandable Control models. Not required for EXP-4 models, which have these timer and pump exercise functions built in.

Installation Notes

Installation should be performed by a licensed HVAC technician or hydronic heating professional. Power down the Expandable Control and the associated hydronic system before inserting or removing the plug-in card. Verify the control model is a pre EXP-4 unit before installation, as EXP-4 models do not require this card. Follow all applicable local mechanical codes during service.

Technical Specifications

• Card Type: Solid-State Universal Timer Plug-In
• Function: Pump cycling and zone valve exercise at timed intervals
• Compatible Control Type: Pre EXP-4 Expandable Controls

Standard Information

• Brand: AMERICAN STANDARD
• Manufacturer Part Number: pc610-1