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Operation and Installation Manual
DDLT160E180L, DDLT160E180N, DDLT160E340L and DDLT160E340N
Appliance must be installed, commissioned and serviced by a licensed tradesperson in
accordance with these instructions and all applicable local rules and regulations.
Customer, please retain this manual for future reference.
Rinnai New Zealand
DEMAND DUO LITE
(DD180 and DD340)
External installations only.
Not suitable or approved as a pool heater.
Demand Duo Lite Operation/Installation: 11451-A
1
01-09
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Summary of Contents for Rinnai DD180
- Page 1 DEMAND DUO LITE (DD180 and DD340) Operation and Installation Manual DDLT160E180L, DDLT160E180N, DDLT160E340L and DDLT160E340N External installations only. Not suitable or approved as a pool heater. Appliance must be installed, commissioned and serviced by a licensed tradesperson in accordance with these instructions and all applicable local rules and regulations.
- Page 2 Labour 3 years 1 year All terms of the warranty are effective from the date of installation of the Rinnai Demand Duo system. Rinnai New Zealand Limited (Rinnai) reserves the right to verify this date. Domestic vs. Commercial Application The reason for distinguishing between a domestic and commercial application is because the expected life of a system is directly related to the hours of use.
- Page 3 5th year). This warranty is subject to Terms and Conditions below. All other parts and labour for the Rinnai continuous flow water heater are covered for 3 years in accordance with the Terms and Conditions below. Rinnai Continuous Flow Water Heater Warranty - Terms and Conditions During the warranty period and subject to clauses and 3 below, Rinnai will, at its own discretion, either replace or repair any defective product at no charge to the customer.
- Page 4 RINNAI LIMITED WARRANTy Warranty Terms for Demand Duo Lite Tanks In Relation to Storage Tanks The following exclusions apply: • Accessibility - Where the cylinder is not easily accessible for maintenance and replacement, this warranty will not cover any additional costs caused by access difficulty.
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Page 5: Table Of Contents
Customer Contacts WARNING Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life. For assistance or additional information contact Rinnai on 0800 RINNAI (0800 746 64). Rinnai New Zealand Demand Duo Lite Operation/Installation: 11451-A... -
Page 6: Introduction
How it works it drops below the set point, the primary pump is activated. This flow starts the Rinnai continuous flow water heater which returns heated water to the tank. For safe operation the tank component of your system is fitted with a: Safety devices •... -
Page 7: For Your Safety
Keep flammable materials, spray cans, fuel containers, trees, shrubs, pool chemicals etc clear of the flue outlet. If flue product discharge causes annoyance, an upwards or sideways flue diverter can be purchased as an accessory. Rinnai New Zealand Demand Duo Lite Operation/Installation: 11451-A 01-09... -
Page 8: Maintenance
Customer Information - Maintenance your Rinnai Demand Duo Lite requires little maintenance, but for maximum performance the following is recommended. Temperature & This valve is located near the top of the tank and is essential for safe Pressure Relief operation. Every 6 months operate the easing gear to flush the valve. As Valve (TPR) this will discharge hot water, ensure no one is near the drain line. -
Page 9: Servicing
These components must be a genuine replacement part available from Rinnai. Do not attempt to carry out any service work other than mentioned in the troubleshooting section. If you have any other faults or problems, please refer to your installer or call Rinnai. Customer Information - Troubleshooting... -
Page 10: Installation Information General - Before Installation
Access to system be difficult to remove. Where a system is not easily accessible for maintenance and replacement, the Rinnai Warranty will not cover any additional costs caused by access difficulty. It’s important a suitably drained catch pan is fitted where damage Catch pan could be caused by discharge from the cylinder. -
Page 11: Specification
D. Height to Hot Outlets 1310 100 E. Height to Cold Inlets Efficiency 81% (thermal efficiency of Rinnai continuous flow water heater) Input 160 MJ/h or 44 kW (max) Pump Grundfos UPS 0-60 B 150 Recovery at 50 ° Rise 36 minutes (approx.) - Page 12 These must be installed in accordance with AS3500 and/or G1/AS1. Drain Lines G1 is available online from: www.dbh.govt.nz/building-code-compliance-documents The tank thermostat is factory set to shut off at 65 °C. The Rinnai Maximum continuous flow water heater is set to 75 °C. No adjustment should be thermostat made to these settings.
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Page 13: Filling And Draining
Prime circulating pump on start up, refer page 15 for extract from Grundfos Instructions on how to do this. The thermostat on the cylinder is set to 65 °C and the Rinnai continuous flow water heater is set to 75 °C. If the cylinder thermostat does not appear to be set correctly, refer to procedure on next page. -
Page 14: Commissioning
Installation Information - Commissioning Fill tank as detailed on previous page and commission the Rinnai continuous flow water heater in accordance with the commissioning check sheet attached to the front cover of the unit. Installation Information - Thermostat To ensure the over-temperature and energy cutout is set, press the ‘reset’ button on the thermostat. - Page 15 Installation Information - Pump Prime circulating pump on start up The following extract has been taken from page 1 of the Grundfos Instructions UP, UPS, UPD, UPSD, version 50 41 10 080 - 104. Rinnai New Zealand Demand Duo Lite Operation/Installation: 11451-A 01-09...
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Page 16: Customer Contacts
Consumers: 0800 RINNAI (746 64) Installers: 0800 TO RINNAI (86 746 64) Address: 105 Pavilion Drive, Airport Oaks, Mangere, Manukau PO Box 53177, Auckland Airport, Manukau 150 Phone: (09) 57 3800 Fax: (09) 57 3899 Email: info@rinnai.co.nz Websites: www.rinnai.co.nz and www.rinnai-tradesmart.co.nz...
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