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1455 Kleppe Lane Sparks, NV 89431-6467 (775) 359-4712 Fax (775) 359-7424
E-mail:
Distributed by Haws - EMEA P: + 41(0)34 420 60 00
Model 9321/9321CE/9326/9326CE/9327/9327CE
Instantaneous Tankless Water Heater
NOTE TO INSTALLER: Please leave this information with the Maintenance Department.
9326/9327 SHOWN
SHOULD YOU EXPERIENCE DIFFICULTY WITH THE INSTALLATION OF THIS
MODEL PLEASE CALL:
TECHNICAL SUPPORT: + 1-800-766-5612
FOR CUSTOMER SERVICE: + 1-888-640-4297
HAWS-EMEA CONTACT P: + 41(0)34 420 60 00
06/23
haws@hawsco.com
Model 9321/9321CE/9326/9326CE/9327/9327CE
INSTALLATION, OPERATION
MAINTENANCE INSTRUCTIONS
website:
www.hawsco.com
website: www.Haws.ch
9321 SHOWN
&
No. 0002080089 Rev 5
Page 1 of 32
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Summary of Contents for Haws 9321
- Page 1 1455 Kleppe Lane Sparks, NV 89431-6467 (775) 359-4712 Fax (775) 359-7424 E-mail: haws@hawsco.com website: www.hawsco.com Distributed by Haws - EMEA P: + 41(0)34 420 60 00 website: www.Haws.ch No. 0002080089 Rev 5 Model 9321/9321CE/9326/9326CE/9327/9327CE Instantaneous Tankless Water Heater NOTE TO INSTALLER: Please leave this information with the Maintenance Department.
- Page 2 Hot water can cause first degree burns with exposure for as little as: 3 seconds at 140 °F (60 °C) 20 seconds at 130 °F (54 °C) 8 minutes at 120 °F (48 °C) 06/23 Model 9321/9321CE/9326/9326CE/9327/9327CE Page 2 of 32...
- Page 3 8. If the Haws tankless water heater is installed in a location where water damage could occur in the event of a leak, it 18. Cleaning and user maintenance should only be per- is recommended that a drip pan be installed and formed by trained and licensed professionals.
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Page 4: Table Of Contents
Indoor disconnect switch (fused or non-fused) Class l Div II enclosures » Stand Kits (for freestanding applications) Optional Features » Alarm contacts » GFCI for NEMA 4 and » Freeze Protection 4X Applications » Remote Display Model 9321/9321CE/9326/9326CE/9327/9327CE Page 4 of 32 06/23... - Page 5 This information is transmitted continually to the microprocessor controller which determines the precise amount of power to send to the heating elements to heat the water to the desired temperature. The Haws tankless water heater only uses as much power as is needed to meet the demand by fully modulating the heating elements from 0 to 100%.
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Page 6: Mounting The Heater To The Wall
MOUNTING THE HEATER TO THE WALL Please follow the mounting instructions as appropriate to your installation. Haws recommends the heater be installed close to the point of use. CAUTION This heater must be installed in a location where it is not subject to freezing temperatures, unless supplied with factory installed freeze protection Make sure the brass fittings are at the bottom of the heater. - Page 7 (Fig. 2). The ground is to be secured to the GND connector to the right of the terminal block. Fig. 1 Fig. 2 WARNING FAILURE TO GROUND THE SYSTEM MY RESULT IN SERIOUS INJURY, DEATH AND/OR PROPERTY DAMAGE. 06/23 Model 9321/9321CE/9326/9326CE/9327/9327CE Page 7 of 32...
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Page 8: Electrical Specifications
To reduce the risk of electric shock, connect this terminal or connector to the grounding terminal of the electric service or supply panel with a continuous copper wire in accordance with your local electrical code. Page 8 of 32 06/23 Model 9321/9321CE/9326/9326CE/9327/9327CE... -
Page 9: Plumbing Hookup
PRV VENT LOCATION The PRV Vent is not a code compliant pressure relief valve. Check local codes to see if a code compliant Temperature and Pressure relief valve is required in your installation. Page 9 of 32 06/23 Model 9321/9321CE/9326/9326CE/9327/9327CE... - Page 10 PLEASE CONTACT HAWS TECHNICAL SUPPORT AT 60 – 90 PSI (4.1 – 6.2 BAR). +1-800-766-5612 OR HAWS - EMEA P: +41(0)34 420 60 00 USE OF A PRESSURE REGULATOR RECOMMENDED. HAMMER ARRESTOR: SYSTEMS WITH A LARGE WATER VOLUME, OR LONG LENGTHS OF PIPING, CAN THE USE OF DI-ELECTRIC UNIONS MUST BE USED BE SUSCEPTIBLE TO WATER HAMMER.
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Page 11: Commissioning The Water Heater
Below the display are 4 push buttons that are used to control > the function of the heater. Press the UP or DOWN buttons to establish your desired temperature. Refer to the CONTROL FEATURES section of this manual for additional information. 06/23 Page 11 of 32 Model 9321/9321CE/9326/9326CE/9327/9327CE... - Page 12 Read and fully understand all steps outlined below before proceeding. Failure to do so may damage water heater and void any warranty. Haws Technical support is available at + 1-800-766-5612 or Haws - EMEA P: + 41(0)34 420 60 00...
- Page 13 Read and fully understand all steps outlined below before proceeding. Failure to do so may damage water heater and void any warranty. Haws Technical support is available at + 1-800-766-5612 or Haws - EMEA P: + 41(0)34 420 60 00...
- Page 14 Close applicable water valves - Inlet and outlet Drain water heater through plumbing network, run compressed air through Long-Term the water heater to ensure the heater is completely drained Long-Term Lock out all applicable water valves per facilities procedures 06/23 Model 9321/9321CE/9326/9326CE/9327/9327CE Page 14 of 32...
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Page 15: Monitoring & Preventive Maintenance
(PMR) Preventive maintenance requirements may impact other items of the installation such as electrical supply and wiring, water piping and associated valves and controls. Haws water heaters are very low maintenance. Ensure that the water heater is supplied with a clean potable, consistent water supply as outlined in the Installation, Operation, and Maintenance Manual. -
Page 16: Control Features
Continued pressing of the UP or DOWN buttons will scroll through each of the errors in the history (in this case a total of 4). ERRORS indicate an undesirable condition but will not shut down the operation of the heater. 06/23 Page 16 of 32 Model 9321/9321CE/9326/9326CE/9327/9327CE... - Page 17 SETPOINT screen to the FAULT screen and back again every 3 seconds. FAULTS indicate an undesirable condition and will immediately shut down the operation of the heater. If faults are appearing on your heater call Haws Technical Support for assistance at +1-800-766-5612 or Haws - EMEA call P: + 41(0)34 420 60 00.
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Page 18: Troubleshooting Procedures
If you need any assistance from our Technical Service Department, make sure you can identify this water heater by having the model number and serial number. Call +1-800-766-5612 Model No. __________________________________ communications@hawsco.com or Serial No. __________________________________ Haws-EMEA Call P: + 41(0)34 420 60 00 www.Haws.ch POSSIBLE IF TRUE IF FALSE PROBLEM ACTION CAUSES... -
Page 19: Technical Support
TECHNICAL SUPPORT TECHNICAL SUPPORT FORM -- Perform steps below before calling Haws services Water Heater Model No. ______________________ Serial No. ________________________________________ Inlet Water Pressure __________________________ Inlet Water Temperature ___________________________ INCOMING VOLTAGE TESTING ELEMENTS INCOMING ELEMENTS TESTING ELEMENTS Amp draw on each heating... - Page 20 TEST ECO’S (ELECTRIC CUT OFFS): To check ECO’S, on jack plug P17 put leads between top and bottom contact. If no continuity, then check across each ECO Test points Test points to check all for individual ECOs Page 20 of 32 06/23 Model 9321/9321CE/9326/9326CE/9327/9327CE...
- Page 21 CNF file has been successfully loaded. If “CNF ERR” is displayed, try removing reseating the USB into the slot It is now OK to turn off the power, remove the USB, and replace the cover Page 21 of 32 Model 9321/9321CE/9326/9326CE/9327/9327CE 06/23...
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Page 22: Repairs And Options
Flow Meter** SSR’s Heating Element Assembly* * HEATING ELEMENT ASSEMBLY CONSISTS OF ONE HEATER CORE AND WIRE ELEMENT(S) ** FLOW METER KIT CONSISTS OF PADDLE WHEEL, DOWEL PIN, O RING AND 4 MOUNTING SCREWS Page 22 of 32 Model 9321/9321CE/9326/9326CE/9327/9327CE 06/23... - Page 23 66.47 cm 61.60 cm [447.294] 17.61" [387.350] 44.73 cm 15.25" [400.050] 38.74 cm 15.75" 40.00 cm OUTLET 1-1/4 NPT OUTLET 1-1/4 NPT [132.080] [39.370] [297.688] 5.20" 1.55" 11.72" 13.20 cm 3.94 cm 29.77 cm 06/23 Page 23 of 32 Model 9321/9321CE/9326/9326CE/9327/9327CE...
- Page 24 1.5 seconds. To reset a tripped GFCI, cycle the power of the unit. If equipped with a disconnect handle, turn the handle to the “OFF” position then back to “ON”. TEST Model 9321/9321CE/9326/9326CE/9327/9327CE 06/23 Page 24 of 32...
- Page 25 130/144 75/77 DC 125 V (2 pole in series) 15/112 7.5/58 DC 250 V (3 pole in series) 40/140 20/38 Short circuit rating with fuses Branch circuit fuse type Max fuse rating (A) 06/23 Model 9321/9321CE/9326/9326CE/9327/9327CE Page 25 of 32...
- Page 26 1-1/4" NPT OUTLET TEE WITH DRAIN (BOTH LINES) 1-1/4" NPT INLET 1-1/4" BALL VALVE REQUIRED PIPING LAYOUT (NOT SUPPLIED): AVAILABLE AS HAWS HEATER PIPING KIT MODEL 932X. INTERCONNECTING PIPING TO BE 1-1/4" IPS. (26.17) (10.28) (24.25) 1 1/4" NPT - HOT 1 1/4"...
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Page 27: Wiring Schematics
24VAC COIL 3 POLE 3 POLE CONTACTOR 1 CONTACTOR OPTO OPTO OPTO OPTO OPTO OPTO TRIAC TRIAC #1 TRIAC TRIAC TRIAC TRIAC JUMPER JUMPER JUMPER HEATER CHAMBER 1 HEATER CHAMBER 2 HEATER CHAMBER 3 06/23 Model 9321/9321CE/9326/9326CE/9327/9327CE Page 27 of 32... - Page 28 10 AWG JUMPER 10 AWG JUMPER 10 AWG JUMPER 10 AWG JUMPER 10 AWG JUMPER HEATER CHAMBER 1 HEATER CHAMBER 2 HEATER CHAMBER 3 HEATER CHAMBER 4 HEATER CHAMBER 5 HEATER CHAMBER 6 Page 28 of 32 06/23 Model 9321/9321CE/9326/9326CE/9327/9327CE...
- Page 29 10 AWG JUMPER 10 AWG JUMPER 10 AWG JUMPER 10 AWG JUMPER 10 AWG JUMPER HEATER CHAMBER 1 HEATER CHAMBER 2 HEATER CHAMBER 3 HEATER CHAMBER 4 HEATER CHAMBER 5 HEATER CHAMBER 6 Page 29 of 32 06/23 Model 9321/9321CE/9326/9326CE/9327/9327CE...
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Page 30: Limited Warranty Information
Manufacturer’s workmanship for the later of (x) five years from the date of original purchase or (y) the date of Owner’s occupancy of a new dwelling in which the HAWS Tankless Water Heater is installed. However, if Owner cannot document the original date of purchase with the original sales receipt, then the limited warranty period begins on the date the HAWS Tankless Water Heater was manufactured. - Page 31 06/23 Model 9321/9321CE/9326/9326CE/9327/9327CE Page 31 of 32...
- Page 32 Haws Corporation 1455 Kleppe Lane, Sparks, NV 89431 +1-775-359-4712 Fax: (775) 359-7424 info@hawsco.com www.hawsco.com Haws - EMEA P: + 41(0)34 420 60 00 www.Haws.ch Model 9321/9321CE/9326/9326CE/9327/9327CE Page 32 of 32 06/23...