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Water Furnace SAH Series Installation Manual

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Table of Contents

SAH
Air Handler
Design Features
Factory Options
Accessories
Dimensional Data
Physical Data
Performance Data
Engineering Guide Specifications
IM2518AG1 05/17

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Summary of Contents for Water Furnace SAH Series

  • Page 1 Air Handler Design Features Factory Options Accessories Dimensional Data Physical Data Performance Data Engineering Guide Specifications IM2518AG1 05/17...

  • Page 3: Table Of Contents

    SAH AIR HANDLER INSTALLATION MANUAL Table of Contents Model Nomenclature ............. . 4 Initial Inspection .

  • Page 4: Model Nomenclature

    SAH AIR HANDLER INSTALLATION MANUAL Nomenclature Model Build SAH – Series Air Handler Ai H *Factory Use Only Unit Capacity Position 1 – Multi-position Refrigeration (DX) 022 MBTUH 026 MBTUH Future Options S – Standard 030 MBTUH 036 MBTUH 042 MBTUH Voltage 048 MBTUH 1-208-230/60/1...

  • Page 5: General Installation Information

    SAH AIR HANDLER INSTALLATION MANUAL General Installation Information Safety Considerations Follow all safety codes. Wear safety glasses and work gloves. Use a quenching cloth for brazing operations and Warning: Before performing service or maintenance op- have a fire extinguisher available. erations on a system, turn off main power switches to the equipment.
  • Page 6 SAH AIR HANDLER INSTALLATION MANUAL General Installation Information cont. Air Handler Sizing Selection The SAH Air Handlers are designed for R410a refrigerant and should be matched with Indoor/Outdoor Split series compressor section from your manufacturer according to the table below. Indoor Split Model Indoor/Outdoor Rated...
  • Page 7 SAH AIR HANDLER INSTALLATION MANUAL General Installation Information cont. BLOWER COMPARTMENT FRONT VIEW HORIZONTAL DRAIN PAN COIL COMPARTMENT HORIZONTAL (Access panel removed) SECONDARY DRAIN HORIZONTAL VERTICAL DRAIN PAN PRIMARY DRAIN SIDE VIEW REFRIGERANT LINE ALTERNATE DRAIN CONNECTIONS CONNECTIONS UPFLOW SECONDARY DRAIN FILTER DOOR UPFLOW 3/4"...
  • Page 8 SAH AIR HANDLER INSTALLATION MANUAL General Installation Information cont. Condensate Drain The drain pan connections are designed to ASTM Standard D 2466 Schedule 40. Use 3/4" PVC or non-corrosive metal To facilitate complete condensate removal, the air handler threaded pipe. Since the drains are not subject to any should be mounted level or slightly pitched toward the pressure it is not necessary to use Schedule 40 pipe for drain.
  • Page 9 Bottomflow Application Horizontal Left Air Discharge Application To convert the SAH Series air handler for bottomflow ap- To convert the SAH Series air handler for horizontal left air plications follow the steps below: discharge applications follow the steps below: With the air handler in the verticle top flow position With the air handler in the vertical top flow position remove all access panels and the refrigerant line panel.
  • Page 10 SAH AIR HANDLER INSTALLATION MANUAL General Installation Information cont. Air Handler Installation Refer to the Refrigerant Line Sizing table to determine the proper line set configuration for the system being installed. The air handler is attached to the shipping pallet with four Line sets over 60 feet in length are not recommended.
  • Page 11 Warning – There are 12 total (360°) turns on the superheat adjustment stem from wide open to fully closed. The SAH Series air handlers are supplied with an expansion When adjusting the superheat stem counterclockwise device. The txv supplied has an internal check valve so no (superheat increase) and the stop is reached, any further external check valve is necessary.
  • Page 12 SAH AIR HANDLER INSTALLATION MANUAL General Installation Information cont. Figure 4: Decrease Superheat: Open Valve Increase Superheat: Close Valve...

  • Page 13: Electrical Data

    SAH AIR HANDLER INSTALLATION MANUAL Electrical Data All field wiring must comply with local and national fire, SAH Auxiliary Heat Minimum Blower Settings safety and electrical codes. Be sure the available power is 5-Speed ECM Minimum VS ECM Minimum Heater the same voltage and phase as that shown on the unit serial Model Blower Setting...
  • Page 14 SAH AIR HANDLER INSTALLATION MANUAL Electrical Data cont. Minimum Electric Heat Capacity Heater Maximum Fuse/ Total Unit FLA Circuit Supply Rated Voltage Ampacity HACR Model Motor BTUH Ampacity Circuit Voltage Min/Max 240v 240v 208v 240v 208v 240v 208v 240v 208v 240v 16,382 single...
  • Page 15 SAH AIR HANDLER INSTALLATION MANUAL Electrical Data cont. Standard Non-Communicating Control Option A Field low voltage point to point wiring: From To Air To Compressor Thermostat Handler Section 5/02/2017 Air Handler transformer must be 75VA. Communicating Thermostat Control Option A Field low voltage point to point wiring: From To ABC P7 in...

  • Page 16: Wiring Schematics

    SAH AIR HANDLER INSTALLATION MANUAL Wiring Schematics SAH Air Handler Control Option A Schematic 97P901-01 Air Handler No Electric Heat 208-230/60/1 Transformer Black Orange NOTE 1 Brown Blue Black 5 Speed Yellow Blk/Wh Blower Motor Grn/Yel Blue Thermostat Grey Legend Notes: 1 –...
  • Page 17 SAH AIR HANDLER INSTALLATION MANUAL Wiring Schematics cont. SAH Air Handler Control Option A Schematic 97P901-02 Air Handler 5kW Electric Heat Blue Blue RELAY White 208-230/60/1 Yellow Yellow Blue Transformer Black Orange NOTE 1 Brown Blue Black 5 Speed Yellow Blk/Wh Blower Motor...
  • Page 18 SAH AIR HANDLER INSTALLATION MANUAL Wiring Schematics cont. SAH Air Handler Control Option A Schematic 97P901-03 Air Handler 10kW Electric Heat Yellow Yellow Yellow Yellow Blue Blue Blue Blue RELAY RELAY Orange White Brown 208-230/60/1 Yellow Blue Blue Yellow Transformer Black Orange NOTE 1...
  • Page 19 SAH AIR HANDLER INSTALLATION MANUAL Wiring Schematics cont. SAH Air Handler Control Option A Schematic 97P901-04 Blue Air Handler 15kW Electric Heat Black Yellow Black Yellow Blue RELAY Brown Yellow Blue Brown Orange White Blue SEQ2 SEQ1 Blue Blue Yellow Black NOTE 2 Blue...
  • Page 20 SAH AIR HANDLER INSTALLATION MANUAL Wiring Schematics cont. SAH Air Handler Control Option A Schematic 97P901-05 Black Air Handler 20kW Electric Heat Black Black Yellow Yellow Yellow Yellow Blue Brown Blue RELAY RELAY Blue Black Blue Brown White Orange White Blue SEQ2 SEQ1...
  • Page 21 SAH AIR HANDLER INSTALLATION MANUAL Wiring Schematics cont. SAH Air Handler Control Option C Schematic 97P903-01 Unit Power Air Handler No Electric Heat 208-230/60/1 Blower Pe MODEL Grn/Yel Black Blue Yellow Black/White Note:1 Transformer Brown Black FP2 Sensor Black White Not Used Orange White...
  • Page 22 SAH AIR HANDLER INSTALLATION MANUAL Wiring Schematics cont. SAH Air Handler Control Option C Schematic 97P903-02 Air Handler 5kW Electric Heat Blue Blue RELAY 208-230/60/1 White Yellow Blue White Yellow Blue Auxiliary Heat Current Transducer Black Grn/Yel Yellow Blue Black/White Note:1 Transformer Facto...
  • Page 23 SAH AIR HANDLER INSTALLATION MANUAL Wiring Schematics cont. SAH Air Handler Control Option C Schematic 97P903-03 Yellow Yellow Air Handler 10kW Electric Heat Yellow Yellow Blue Blower P Blue Blue 208-230/60/1 Blue RELAY RELAY MODEL White Brown Blue Blue Auxiliary Heat Current Transducer White Yellow...
  • Page 24 SAH AIR HANDLER INSTALLATION MANUAL Wiring Schematics cont. SAH Air Handler Control Option C Schematic 97P903-04 Blue Air Handler 15kW Electric Heat Air H Black Black Yellow Yellow Blue RELAY Blowe Yellow Blue Brown Brown White MODEL Blue SEQ2 SEQ1 Blue Blue Auxiliary Heat...
  • Page 25 SAH AIR HANDLER INSTALLATION MANUAL Wiring Schematics cont. SAH Air Handler Control Option C Schematic 97P903-05 Black Air Handler 20kW Electric Heat Air Han Black Black Black Yellow Yellow Yellow Yellow Brown Blue Blue RELAY RELAY Blue Blue Brown White Blower P White Blue...

  • Page 26: Sah 5 Speed Ecm Blower Performance Data Option A

    SAH AIR HANDLER INSTALLATION MANUAL SAH 5 Speed ECM Blower Performance Data Option A Blower Performance 5 Speed ECM Control Option A Airflow (cfm) at External Static Pressure (in. wg) Motor Motor T’stat Blower Motor Model Speed Connection Size 0.05 0.10 0.15 0.20...
  • Page 27 SAH AIR HANDLER INSTALLATION MANUAL SAH 5 Speed ECM Blower Performance Data Option A cont. Setting Blower Speed - 5-Speed ECM 5-Speed ECM Constant Torque Motors 5-Speed ECM blower motors have five (5) speeds of which The 5-Speed ECM is a 'Constant Torque' ECM motor and three (3) are selectable on single speed and four (4) are delivers air flow similar to a PSC but operates as efficiently selectable on dual capacity.

  • Page 28: Blower Performance Data Option C

    SAH AIR HANDLER INSTALLATION MANUAL Blower Performance Data Option C Blower Performance Variable Speed ECM Control Option C AIR FLOW SPEED SETTINGS MODEL MAX ESP 1000 0.50 1100 1200 1000 0.50 1100 1200 1000 0.50 1100 1200 1100 1300 0.50 1050 1200 1200...
  • Page 29 SAH AIR HANDLER INSTALLATION MANUAL Blower Performance Data Option C cont. IntelliZone2 Zoning Compatibility SAH Control Option C AHB Board (Optional IntelliZone2 Communicating Zoning) The SAH Air Handler with the 'Advanced' control option A dedicated input to connect and communicate with the expands on the capability of the Aurora 'Advanced' Control IntelliZone2 (IZ2) zoning system is provided on P7 on the (ABC and AXB) in the compressor section, by adding the...
  • Page 30 SAH AIR HANDLER INSTALLATION MANUAL Blower Performance Data Option C cont. Setting Blower Speed - Variable Speed ECM Speed Setup - These screens allow the technician to select the “G”, low, high, and auxiliary heat blower speed for the ECM blower motor. Change the highlighted item using The ABC board’s Yellow Config LED will flash the current the ▲...

  • Page 31: Unit Start Up

    SAH AIR HANDLER INSTALLATION MANUAL Unit Start Up • Check that supply voltage matches nameplate data. Ethernet Cable • Fuses, breakers and wire size are correct. A 100 foot Cat6 Ethernet cable is shipped with the air han- • Confirm that the 15kW or 20kW auxiliary heat kit dler in the 985506-01 SAH Installation Kit.

  • Page 32: Dimensional Data -Dx Air Handler

    SAH AIR HANDLER INSTALLATION MANUAL Dimensional Data - DX Air Handler Top Flow/Horizontal Unit Configuration TOP VIEW BOTTOM VIEW R.SIDE VIEW 2 TON TOP VIEW 3-6 TON BOTTOM VIEW R.SIDE VIEW 2 TON RIGHT SIDE VIEW FRONT VIEW FRONT VIEW RIGHT SIDE VIEW 3-6 TON TOP VIEW 2 TON...
  • Page 33 SAH AIR HANDLER INSTALLATION MANUAL Dimensional Data - DX Air Handler Bottom Flow Unit Configuration LEFT SIDE VIEW LEFT SIDE VIEW LEFT SIDE VIEW FRONT VIEW LEFT SIDE VIEW FRONT VIEW 3-6 TON 2 TON UNIT 2 TON UNIT TOP VIEW BOTTOM VIEW TOP VIEW BOTTOM VIEW...

  • Page 34: Replacement Procedures

    SAH AIR HANDLER INSTALLATION MANUAL Replacement Procedures Obtaining Parts In Warranty Material Return Material may not be returned except by permission of au- When ordering service or replacement parts, refer to the thorized warranty personnel. model number and serial number of the unit as stamped on the serial plate attached to the unit.

  • Page 35: Revision Guide

    SAH AIR HANDLER INSTALLATION MANUAL Revision Guide Pages: Description: Date: 15-20 Updated Wiring Schematics 02 May 2017 Document Creation 01 Mar. 2017...
  • Page 36 Product: Standard Series Air Handler Type: R-410A Size: 2-6 Tons Document: Installation Manual IM2518AG1 05/17 ©2017 The manufacturer has a policy of continual product research and development and reserves the right to change design and specifi cations without notice.

This manual is also suitable for:

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