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Rinnai New Zealand

Demand Duo Lite Operation/Installation: 11451-A 

01-09

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.

Customer, please retain this manual for future reference.

Summary of Contents for DD180

Page 1: ...60E180L 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 tradesperso...

Page 2: ...em is directly related to the hours of use A domestic application is defined as an installation that serves a single residential dwelling which is not used for commercial purposes such as a hair salon...

Page 3: ...been subjected to damage or abuse beyond that expected from conditions of normal use Warranty claims may be invalid if not accompanied by details of the installing or supervising gas fitters registra...

Page 4: ..._____________ Telephone _______ __________________________________________ Date of Purchase ______ ______ _________ Warranty Terms for Demand Duo Lite Tanks In Relation to Storage Tanks The following...

Page 5: ...ss of life For assistance or additional information contact Rinnai on 0800 RINNAI 0800 746 624 Customer Information Limited Warranty 2 Introduction 6 For Your Safety 7 Maintenance 8 Servicing 9 Troubl...

Page 6: ...f TPR Valve that ensures the water remains at a safe pressure and temperature Automatic tank thermostat to maintain water temperature do not adjust the thermostat which is set to 65 C It is important...

Page 7: ...smoking open flame or any other appliance operating nearby If hydrogen is discharged through the tap it will make a sound like air escaping Safety Devices WARNING Your system is supplied with various...

Page 8: ...his operation if the valve does not discharge water when the easing gear is lifted or does not seal again when closed attendance by an authorised person must be arranged immediately lift until water f...

Page 9: ...ater Is there electricity to the system Check isolating switches and electrical connections to ensure everything is turned on Check the fuse or circuit breakers at the meter box Repeated failure of a...

Page 10: ...requirements Access to system Catch pan Flue clearance Electricity The cylinder should be installed on a flat level base of sufficient strength to support the weight of the water heater when full It...

Page 11: ...0 730 1310 225 1530 760 800 1200 260 Efficiency 81 thermal efficiency of Rinnai continuous flow water heater Input 160 MJ h or 44 kW max Pump Grundfos UPS 20 60 B 150 Recovery at 50 Rise 36 minutes ap...

Page 12: ...pe sizing must be sized to allow sufficient water flow to hot water fixtures Pressure Limiting Valve DD180 700 kPa approx DD340 500 kPa approx Cold Water Pressure Relief Valve DD180 850 kPa approx DD3...

Page 13: ...nai continuous flow water heater is set at least 10 C hotter than the cylinder thermostat cut out temperature Plug 3 core flex into suitably earthed general purpose socket outlet Turn on power supply...

Page 14: ...tion Information Thermostat To ensure the over temperature and energy cutout is set press the reset button on the thermostat Thermostat setting The thermostat must be set to 65 C Turning the adjustmen...

Page 15: ...Lite Operation Installation 11451 A 01 09 15 Installation Information Pump Prime circulating pump on start up The following extract has been taken from page 12 of the Grundfos Instructions UP UPS UPD...

Page 16: ...sumers 0800 RINNAI 746 624 Installers 0800 TO RINNAI 86 746 624 Address 105 Pavilion Drive Airport Oaks Mangere Manukau PO Box 53177 Auckland Airport Manukau 2150 Phone 09 257 3800 Fax 09 257 3899 Ema...

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