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Summary of Contents for SolutionAir GRW
- Page 1 Precision Environmental Control Unit MANUAL – INSTALLATION v003 – Issue Date: 03/03/20 © 2020 SolutionAir Group. All rights reserved.
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Page 2: Table Of Contents
Service and Warranty Procedure ..............16 Maintenance Checklist ..................17 Troubleshooting ....................18 Start-up Instructions ..................19 Typical Unit Sequence of Operation ............20 GRW Start-Up Request Form & Pre-Start-Up Checklist ......21 Limited Warranty ................... 26 MANUFACTURED BY WARNING SolutionAir Group 404 Egesz Street... -
Page 3: Description
SolutionAir is pleased that you have put your faith in the GRW and we look forward to it providing years of trouble components. Such activity may lead to unsatisfactory free performance. -
Page 4: Unit Nameplate
Product Overview Unit Nameplate FIGURE 1 - TYPICAL NAMEPLATE Figure 1 shows a typical nameplate for a GRW. The nameplate is generally located near the main electrical connection The nameplate includes model number, serial number, electrical characteristics and other pertinent data. -
Page 5: Mechanical Installation
Installation Mechanical Installation Roof Curb or Base GRW units can be installed on a concrete housekeeping Location pad, sleepers or a roof curb. The unit must be adequately GRW units are approved for both indoor and outdoor supported with either field supplied sleepers or structural installations. - Page 6 FIGURE 2 – ROOF CURB SUPPORT POINTS FOR UNITS 180” WIDE AND LESS To ensure the roof curb and GRW unit is properly braced, the curb must be supported at all indicated roof curb beam intersection points, as shown in Figures 2 and 3. The red circles indicate intersections that must be supported.
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Page 7: Electrical Installation
NOTE: All GRW units are designed to be lifted from the base. If the blower can not be properly balanced using the Each section of the unit is provided with lifting points at controller settings, please contact SolutionAir for further each corner and sometimes at intermediate points. - Page 8 Wiring to connect two sections of a unit will be marked by the factory and a terminal block will be provided for such connections (as shown in Figure 5). GRW - Manual | SolutionAirGroup.com...
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Page 9: Drain Lines & Condensate Traps
Do not place near other sources of warmth, such as lamps, appliances, etc. Refer to unit electrical wiring diagrams for details on how to wire the sensor to the control panel. SolutionAirGroup.com | GRW - Manual... -
Page 10: Split Roof-Seam Installation And Sealing
Curb acoustic sealant (if included) b) Unit-split sealing materials: Foam gasket (Emseal or similar) Outdoor-rated polyurethane sealant (3M 550 or similar) iii) Foam backer-rod (if included) iv) Stainless steel fasteners (bolts, washers, nuts) GRW - Manual | SolutionAirGroup.com... - Page 11 (see Figure 7 and Figure 8 and submittal drawings). Ensure no overlapping Emseal sections. 13. Clean the coil-section receiver-flange on the blower-side, then apply a generous amount of acoustic sealant (see Figure 9). SolutionAirGroup.com | GRW - Manual...
- Page 12 Once the four lifting-lug nuts are tight, tighten the side-flange bolts from bottom to top. Clean off any sealant squeeze-out with a dry disposable rag. 15. Once complete, repeat the above steps for the filter- section. GRW - Manual | SolutionAirGroup.com...
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Page 13: Split Roof-Seam Sealing Procedure
FIGURE 12: DOG EARRING INSTRUCTIONS Procedure TOP VIEW SIDE VIEW TOP VIEW BOTTOM VIEW Sealing Roof Seams at GRW Splits: DOG-EARED BACKING Seal ends of roof-seam at GRW BACKING unit splits with Emseal end-dams. ~1.25 Cut Emseal strips roughly 1”... - Page 14 BLOWER ROOF SECTION “A” about ½” the entire length of the roof-seam, back-filling to ensure there are no bubbles or CROSS-SECTION gaps in the sealant (Figure 17). CAULKING APPLICATOR TIP EMSEAL GRW - Manual | SolutionAirGroup.com...
- Page 15 (longer if very cold/dry). Repeat steps 7 and 8 until roof split gap is filled to within ½” of CAULKING APPLICATOR TIP the blower/filler roof flange (likely between one and three backer- rods, depending on the unit). EMSEAL SolutionAirGroup.com | GRW - Manual...
- Page 16 “dog-ears”). b) Press the roof-split covers firmly into place, ensuring no gaps between the tape and coil section. Caulk the gap between the roof-split covers and coil section as shown on the attached drawing. GRW - Manual | SolutionAirGroup.com...
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Page 17: Installation Checklist
Properly ground the unit. Interlock unit to exhaust system Control Wiring Connections Complete controls wiring as per the wiring diagrams. DX Coils & Condensing Sections Visual inspections for damaged coils, condenser fan guards and condenser fans. SolutionAirGroup.com | GRW - Manual... -
Page 18: Maintenance
The warranty part allows the user to set the run hours between filter changes may need to be returned to SolutionAir to obtain a new and the controller will notify the user when the desired warranty part. -
Page 19: Maintenance Checklist
Inspect fan wheel and housing. Clean as necessary. Electrical Maintenance Check for loose wire connections in control panel. Check motor amp draw against name plate. Inspect all contactors to ensure they are clean and making good contact. Check all safeties. SolutionAirGroup.com | GRW - Manual... -
Page 20: Troubleshooting
Service or replace motor. pressure fault Faulty electronic expansion valve. Service or replace valve motor. Low refrigerant charge. Will require mechanical service Controller fault/error Problem with controller/software. Contact SolutionAir. Describe error number. SolutionAir Mechanical Support: 1-866-797-0760 mechsupport@solutionairgroup.com GRW - Manual | SolutionAirGroup.com... -
Page 21: Start-Up Instructions
The fan thermal overloads must be set to the Electrical appropriate motor performance after all adjustments Electrical power is acceptable (see below). have been made. SolutionAirGroup.com | GRW - Manual... -
Page 22: Typical Unit Sequence Of Operation
Based on room and outdoor absolute pressures the independent pressurization unit within the Plant Safe controls prevent excessive RH conditions GRW modulates outdoor airflow to maintain the during light transitions. Transitions between desired pressurization level. temperature and humidity settings are done in such a manner that the space doesn’t exceed the greater of... -
Page 23: Grw Start-Up Request Form & Pre-Start-Up Checklist
We use this information to continuously improve our products and services. This form and checklist must be completed and submitted to SolutionAir before the first startup of the listed unit. Limited Please include pictures in your email submission of this report whenever possible. - Page 24 We use this information to continuously improve our products and services. This form and checklist must be completed and submitted to SolutionAir before the first startup of the listed unit. Limited Please include pictures in your email submission of this report whenever possible.
- Page 25 We use this information to continuously improve our products and services. This form and checklist must be completed and submitted to SolutionAir before the first startup of the listed unit. Limited Please include pictures in your email submission of this report whenever possible.
- Page 26 We use this information to continuously improve our products and services. This form and checklist must be completed and submitted to SolutionAir before the first startup of the listed unit. Limited Please include pictures in your email submission of this report whenever possible.
- Page 27 We use this information to continuously improve our products and services. This form and checklist must be completed and submitted to SolutionAir before the first startup of the listed unit. Limited Please include pictures in your email submission of this report whenever possible.
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Page 28: Limited Warranty
Products except as recommendations. agreed to by SolutionAir in writing, nor will SolutionAir be responsible for Operation, maintenance, start-up and shut down are not in accordance incidental, consequential or punitive damages. In the event SolutionAir with manufacturer’s instructions. - Page 29 Notes SolutionAirGroup.com | GRW - Manual...
- Page 30 This document contains the most current product information as of this printing. For the most up-to-date product information, please go to SolutionAirGroup.com © 2020 SolutionAir Group. All rights reserved.
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