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Surna ENVIROPRO SHAU Operating And Maintenance Manual
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Surna ENVIROPRO SHAU Operating And Maintenance Manual

Mini air handler unit
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ENVIROPRO™
SURNA MINI AIR
HANDLER UNIT
OPERATING AND MAINTENANCE MANUAL
Models: SHAU
May 2021
S u r n a . c o m

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Summary of Contents for Surna ENVIROPRO SHAU

  • Page 1 ENVIROPRO™ SURNA MINI AIR HANDLER UNIT OPERATING AND MAINTENANCE MANUAL Models: SHAU May 2021 S u r n a . c o m...
  • Page 2 INVESTING IN QUALITY, RELIABILITY & PERFORMANCE World Leading Design and Technology ISO 9001 QUALITY Every product is manufactured to meet the stringent requirements of the internationally recognized ISO 9001 standard for quality assurance in design, development and production. Equipped with the latest air-conditioning test rooms and manufacturing technology, our fan coil units are produced conforming to the highest international standards of quality and safety.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Specifications Technical Description Warnings Warranty Information Installation Instructions Dimensions Routine Maintenance Troubleshooting...
  • Page 4 EC motor configuration 220V/1Ph/60Hz 4-Pipe 2-Pipe Unit sizes, see general specifications section for cooling and heating capacities. Surna Mini Air Handler SHAU 6 row cooling/1 row heating (6R+1) (4-pipe) Surna Mini Air Handler SHAU 4 row cooling/2 row heating (4R+2)

  • Page 5: Specifications

    SPECIFICATIONS 2-PIPE SYSTEMS SHAU(4R)-XXX-VX-AECM-X-L 4-Row Cooling Size Configuration 2 pipes Unit Number of fan blowers Configuration Power supply (V/Ph/Hz) 220/1/60 Air Flow 1321 (2244) 2417 (4107) 3739 (6353) 4835 (8215) (m3/h) External Static Pressure in.wg 0.5 (124.42) for Above CFM (Pa) Total Cooling Capacity 53347 (15.63)
  • Page 6 2-PIPE SYSTEMS SHAU(6R)-XXX-VX-AECM-X-L 6-Row Cooling Size Configuration 2 pipes Unit Number of fan blowers Configuration Power supply (V/Ph/Hz) 220/1/60 Air Flow 1209 (2054) 2341 (3977) 3577 (6077) 4683 (7957) (m3/h) External Static Pressure in.wg 0.5 (124.42) for Above CFM (Pa) Total Cooling Capacity 54859 (16.07) 107061 (31.38)
  • Page 7 4-PIPE SYSTEMS SHAU(4R+1)-XXX-PX-AECM-X-L 4-Row Cooling + 1-Row Heating Size Configuration 4 pipes Unit Number of fan blowers Configuration Power supply (V/Ph/Hz) 220/1/60 Air Flow 1265 (2149) 2379 (4042) 3658 (6215) 44759 (76046) (m3/h) in.wg External Static Pressure 0.5 (124.42) (Pa) Total Cooling Capacity 51867 (15.2) 94241 (27.62)
  • Page 8 4-PIPE SYSTEMS SHAU(4R+2)-XXX-PX-AECM-X-L 4-Row Cooling + 2-Row Heating Size Configuration 4 pipes Unit Number of fan blowers Configuration Power supply (V/Ph/Hz) 220/1/60 Air Flow 1209 (2054) 2341 (3977) 3577 (6077) 4683 (7956) (m3/h) in.wg External Static Pressure 0.5 (124.42) (Pa) Total Cooling Capacity 50016 (14.66) 93533 (27.41)
  • Page 9 4-PIPE SYSTEMS SHAU(6R+1)-XXX-PX-AECM-X-L 6-Row Cooling + 1-Row Heating Size Configuration 4 pipes Unit Number of fan blowers Configuration Power supply (V/Ph/Hz) 220/1/60 Air Flow 1153 (1959) 2303 (3913) 3497 (5941) 4607 (7827) (m3/h) in.wg External Static Pressure 0.5 (124.42) (Pa) Total Cooling Capacity 52828 (15.48) 105441 (30.9)
  • Page 10 COOLING PERFORMANCE 4-ROW COIL COOLING CAPACITY - 1000 BTU/Hr (0.29 kW) 45°F (7.2°C) ENTERING WATER TEMPERATURE NOMINAL 80°F DB/50% RH 75°F DB/50% RH AIR FLOW FLOW RATE (26.7°C DB/50% RH) (23.9°C DB/50% RH) Size Ft/Head CFM (m3/h) GPM (L/h) (kPa) MBH (kW) MBH (kW) °F (°C)
  • Page 11 6-ROW COIL COOLING CAPACITY - 1000 BTU/Hr (0.29 kW) 45°F (7.2°C) ENTERING WATER TEMPERATURE NOMINAL 80°F DB/50% RH 75°F DB/50% RH AIR FLOW FLOW RATE (26.7°C DB/50% RH) (23.9°C DB/50% RH) Size Ft/Head CFM (m3/h) GPM (L/h) (kPa) MBH (kW) MBH (kW) °F (°C) MBH (kW)
  • Page 12 HEATING PERFORMANCE SHAU(4R+1) HEATING CAPACITY - 1000 BTU/Hr (0.29 kW) NOMINAL AIR FLOW RATE ENTERING WATER TEMPERATURE FLOW Size Ft/Head 180°F 160°F 140°F 120°F CFM (m3/h) GPM (L/h) (kPa) (82.2°C) (71.1°C) (60°C) (48.9°C) 3 (681.4) 4.8 (14.34) 50.4 (10.2) 43.9 (6.6) 36.7 (2.6) 27.4 (-2.6) 1265...
  • Page 13 SHAU(6R+1) HEATING CAPACITY - 1000 BTU/Hr (0.29 kW) NOMINAL AIR FLOW RATE ENTERING WATER TEMPERATURE FLOW Size Ft/Head 180°F 160°F 140°F 120°F CFM (m3/h) GPM (L/h) (kPa) (82.2°C) (71.1°C) (60°C) (48.9°C) 3 (681.4) 4.8 (14.34) 48.1 (8.9) 41.8 (5.4) 34.7 (1.5) 25.8 (-3.4) 1153 5 (1135.6)
  • Page 14 SOUND DATA Model SHAU-200 Speed 800 RPM 900 RPM 1000 RPM 1100 RPM 1200 RPM 1300 RPM 1400 RPM 1500 RPM Sound Power 53.6 57.3 64.4 68.7 71.3 70.7 70.5 71.3 dB(A) 20.0 14.4 13.0 12.5 23.7 15.0 17.2 14.4 25.0 13.0 12.9...
  • Page 15 Model SHAU-400 Speed 800 RPM 900 RPM 1000 RPM 1100 RPM 1200 RPM 1300 RPM 1350 RPM 1400 RPM Sound Power 62.1 65.4 73.2 78.1 80.7 79.7 79.6 79.8 dB(A) 20.0 23.9 20.6 31.4 33.4 24.7 34.5 38.2 38.2 25.0 15.4 22.3 25.1...
  • Page 16 Model SHAU-600 Speed 800 RPM 900 RPM 1000 RPM 1100 RPM 1200 RPM 1300 RPM 1350 RPM 1400 RPM Sound Power 60.6 63.9 71.7 76.6 79.2 78.2 78.1 78.3 dB(A) 20.0 22.4 19.1 29.9 31.9 23.2 33.0 36.7 36.7 25.0 13.9 20.8 23.6...
  • Page 17 Model SHAU-800 Speed 800 RPM 900 RPM 1000 RPM 1100 RPM 1200 RPM 1300 RPM 1350 RPM 1400 RPM Sound Power 65.1 68.4 76.2 81.1 83.7 82.7 82.6 82.8 dB(A) 20.0 26.9 23.6 34.4 36.4 27.7 37.5 41.2 41.2 25.0 18.4 25.3 28.1...

  • Page 18: Technical Description

    TECHNICAL DESCRIPTION The Surna Mini Air Handler (SHAU) is an ideal air Drain pan - made of single wall painted steel with 3/16 in handling unit for suspended ceiling or ground-mounted (1.29 mm) insulation on outer wall. The drain pan extends...
  • Page 19 Control system (S type) - Field Programmable using Our S type controller also allows control of up to 32 easy to set dipswitches and controlled via Infra-red Secondary units via a single Main Unit with IR Handset handset and/or wired wall pad. It offers the following or Wall Pad controller, and up to 2048 units via BMS control options: continuous with modulation or On/Off (Building Management System) with Modbus platform.

  • Page 20: Warnings

    WARNINGS DEFINITIONS MINI AIR HANDLER SAFET Y GUIDE CAUTION: Risk of minor/moderate injury if precaution not taken. Please read the information in this document carefully WARNING: Risk of death/serious injury if warning prior to attempting the installation, operation and/ isn’t heeded. or servicing of the SHAU.
  • Page 21 Adequate clearance shall be provided around the unit for regular servicing. After installation, service and Only use Surna supplied or recommended equipment maintenance personnel shall be able to access the power with the SHAU. supply, coil connections and condensate drain.

  • Page 22: Warranty Information

    WARRANTY INFORMATION Equipment manufactured by Surna (“Company”), the to the purchase price of the Equipment shown to be defective. warranty shall exist for a period of twelve (12) months from initial start-up or eighteen (18) months from date of shipment, whichever period is shorter, against failure due to...

  • Page 23: Installation Instructions

    INSTALLATION INSTRUCTIONS MECHANICAL WIRING WARNING: Turn off the breaker until all electrical This SHAU is designed to be mounted in a horizontal configuration only. The weight information for each connections are made. model can be found in the specifications section of this WARNING: This unit must be connected to a protective document;...
  • Page 24 WIRING DIAGRAMS for S6-PCB with W-PCB and other Accessories SHAU CONTROL SPECIFICATIONS - COMPLETE FUNCTION (S) i-Serial EC-W5+S6 unit wiring diagram Power Supply C ondensate pump EH-L RE-L Filter alarm LED 24Vac AUX1AUX2 MTV1MTV2 WP EH DP1 DP2 HF MF MTV1 ON/OFF v alve MTV1-L MTV2 ON/OFF v alve...
  • Page 25 SHAU CONTROL SPECIFICATIONS - FLE XIBLE FUNCTION PCB (W) NA-EC-W5 unit with 3PH/1PH EH Wiring Scheme IPA-DL-NA-EC-W5 Fan speed control signal 12Vac for thermostat ECM2 ECM1 24Vac for thermostat A1 B1 Common Line Address setting From thermostat From thermostat POWERL DI1 Main Power supply 220V/1Ph/60Hz EH kit is optional...
  • Page 26 PLUMBING IMPORTANT PLUMBING TIPS Manifold size will vary depending on size and The SHAU has a dedicated chilled water inlet located quantity of equipment connected to it. Piping on the bottom and outlet located on the top. The should be sized based on total flow required for all connection must be concealed with rubberized fabric equipment being supplied by it.
  • Page 27 MOUNTING DETAIL Before installing and running the unit, check the following: There must be enough space for installation and maintenance. Please refer to the below figures for the unit's outlines and dimensions and for the minimum distance between the unit and the obstacle/any obstructions/ its surroundings.
  • Page 28 The unit is designed to be installed either in a concealed location or free discharge inside of a space. Installation and maintenance should be performed by qualified personnel who are familiar with local codes and regulations and are experienced with this type of appliance. Please refer to the pictures below for installation procedures. Tie Rod Washer Vibration Damper...
  • Page 29 AIR DUCT CONNECTION (IF APPLICABLE) Circulatory air pressure drop should be within External Static Pressure. 2. Galvanized steel air ducts are suitable. 3. Make sure to minimize air leakage. 4. Air duct should be fire-proof, refer to national and local regulations. ≥...

  • Page 30: Dimensions

    DIMENSIONS 2-PIPE SYSTEMS SHAU(4R/6R) 38-3/8 (975) 2-3/8 (60) 1-1 /4 (32) 1-1 /4 (32) (25) AIR FLOW D IREC TI O N 1 1-1 /4 (286) 7-3/8 (187) 1 1-3/4 (298) 5-1 /4 (1 33) Figure 9: 2-pipe dimensional drawings Size If 1"...
  • Page 31 4-PIPE SYSTEMS SHAU(4R+1/4R+2/6R+1) 38-38 (975) 2-3/8 (60) 1-1 /4 (32) 1-1 /4 (25) (32) (25) (25) AIR FLOW D IREC TI O N 14-1 /2 (368) 1 3-1 /4 (337) 9 (229) 5-1 /8 (1 30) Figure 10: 4-pipe dimensional drawings Size *If 1"...
  • Page 32 BOTTOM ACCESS PANELS Size SHAU(6R+1/4R+2) SHAU(4R+1/4R/6R) 7 3-7/8 (1876) 7 3-7/8 (1876) 35-7/8 (91 1) 35-7/8 (91 1) 35-7/8 (91 1) 35-7/8 (91 1) 62-1 /8 (1 578) 62-1 /8 (1 578) 30-1 /8 (765) 30-1 /8 (765) 30-1 /8 (765) 30-1 /8 (765) 5 4-3/8 (1 381) 5 4-3/8 (1 381)

  • Page 33: Routine Maintenance

    Note: Nylon filters can be cleaned, but MERV filter installing or servicing the unit. options must be replaced, not cleaned. Contact your 3. A good general maintenance plan will prevent Surna representative for replacement filters. damage to and unexpected shutting down of the equipment. FAN REPLACEMENT 4.
  • Page 34 Check system temperatures. If outside of recommended set points, find cause, perform adjustments or repairs to achieve and/or maintain optimal energy efficiency. Legend* Quarterly Semi-Annually Annually Table 21: Routine maintenance frequency CONTACT US Contact Surna via email at support@surna.com or via phone at 303.993.5271.

  • Page 35: Troubleshooting

    TROUBLESHOOTING SHAU Inspect and clean cooling Lack of airflow and proper and heating coils temperature at unit discharge Figure 14: Troubleshooting...
  • Page 36 1780 55th Street Boulder, CO 80301 303.993.5271 info@surna.com All data subject to change without notice S u r n a . c o m...

This manual is also suitable for:

Enviropro shau-200Shau-400Enviropro shau-600Enviropro shau-800