Schulz SMH-40 Refrigerated Air Dryer High Temperature Non-Cycling 40 CFM 115V Single Phase New - SMH-040-UP-TD
Schulz high-temperature dryers are designed for high inlet (up to 194°F) and room temperature applications (up to 113°F). SMH High Temp Dryers eliminate the need for separate aftercooler and moisture separators, conserving valuable floor space. Its innovative cooling system delivers high performance and energy savings. The integrated digital controller and automatic drain ensure stable dew point during operation. Removable panels facilitate easy and quick access to internal components.
What our Experts Think
-
High‑Temperature Moisture Control – The Schulz SMH‑40 Refrigerated Air Dryer High Temperature Non‑Cycling (SMH‑040‑UP‑TD) is engineered to dry compressed air up to 40 CFM reliably, even with inlet temperatures up to ~194 °F, eliminating the need for a separate aftercooler or moisture separator.
-
Integrated Drying + Aftercooling System – Its built‑in aftercooler circuit with automatic drain and digital DMC controller ensure a stable dew point and consistent performance without extra equipment, saving installation and maintenance time.
-
Energy‑Efficient and Quiet Operation – The refrigeration system delivers efficient heat rejection with lower pressure drop and runs at under ~70 dB(A) sound levels — ideal for workshops or compressed air systems in confined spaces.
-
Compact, Easy‑Service Design – With removable access panels and a 115 V, single‑phase setup, it integrates into existing compressor systems with minimal fuss and easy filter or component access.
-
Consistent Performance Under Load – Designed for continuous, non‑cycling operation, it keeps drying performance steady — especially useful in systems where compressors run long cycles or supply multiple tools.
-
Expert Verdict – A robust and efficient refrigerated air dryer that simplifies moisture management for medium compressed air systems — providing stable dry air, reduced corrosion risk, and improved tool lifespan without extra floor equipment.
Q&A
Q: What is the Schulz SMH‑40 dryer used for?
A: It’s a high‑temperature refrigerated compressed air dryer that removes moisture from compressor discharge air to protect tools, pneumatic systems, and paint/coating operations from rust, water damage, and inconsistent airflow. It eliminates the need for separate aftercooler and moisture separators.
Q: How much airflow capacity does it handle?
A: Rated for 40 CFM of compressed air flow, suitable for medium‑duty compressor systems in workshops and industrial settings.
Q: What power requirements does it have?
A: Runs on 115 V single‑phase (60 Hz) power and draws about 4.7 A — compatible with standard workshop electrical circuits.
Q: What features improve performance and convenience?
A: It includes a built‑in aftercooler circuit with separate auto drain, DMC electronic controller with digital display, lower pressure drop design, and quiet operation (<70 dB(A)) for reliable, low‑noise moisture removal.
Q: Can it handle hot compressed air?
A: Yes — engineered for high inlet temperatures up to ~194 °F (90 °C) and ambient conditions up to ~113 °F (45 °C), removing moisture without additional cooling equipment.
Q: What connections and refrigerant are used?
A: Uses 1/2″ NPT‑F inlet/outlet ports and R134a refrigerant for efficient cooling and drying performance.
Q: How big is the unit?
A: Measures about 16.8″ × 16.4″ × 25.6″ and weighs ~75 lb, making it compact enough for workshop installation.
Q: Who should use this dryer?
A: Ideal for workshops, garages, industrial plants, and pneumatic systems where consistent dry air is essential for tool performance and longevity.
Maintenance Tips
-
Verify Condensate Drain Operation: Check that the built‑in automatic drain and aftercooler drain operate freely and aren’t clogged; proper drainage prevents water carry‑over and helps maintain dew point control.
-
Clean Condenser & Air Passages: Periodically remove dust and debris from the condenser fins and ventilation openings to support effective heat rejection and drying efficiency.
-
Keep Inlet/Outlet Connections Clear: Inspect air fittings and hoses for blockages or leaks — clean or replace to preserve airflow and pressure stability.
-
Monitor Digital Controller: Regularly check the electronic controller display for temperature/dew point readings and any error codes; stable readings help ensure the dryer operates within design parameters.
-
Maintain Clean Environment: Install the dryer in a dust‑free, ventilated space with clearance around it to prevent heat buildup and allow airflow through coils and electronics.
-
Power Down Before Service: Always shut off power and relieve system air pressure before cleaning, inspecting connections, or servicing the unit for safety.
Damage 
Loss 
Theft 
