Related Manuals for Rinnai HD49kWe
Summary of Contents for Rinnai HD49kWe
- Page 1 HD49kWe external (REU-VCM2837WC-ZK) HD49kWi internal (REU-VCM2837FFC-ZK) A28i internal (REU-VCM2837FF-ZK) INFINITY HD and A28i VCM continuous flow water heaters Installation guide...
- Page 2 Warning Improper installation, adjustment, alteration, service and maintenance can cause property damage, personal injury or loss of life. For more information about buying, using, and servicing of Rinnai appliances call: 0800 RINNAI (0800 746 624). Rinnai New Zealand Limited 105 Pavilion Drive, Mangere, Auckland...
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Page 3: Table Of Contents
Contents Specification ............4 Connections............5 HD49kWe external dimensions (mm) ....6 HD49kWi and A28i internal dimensions (mm) ..7 Appliance location ..........8 General installation information ......9 External unit horizontal obstructions.....10 Water delivery temperature ........10 Flued (internal) water heaters.......11 Water controller installation ........12 Commissioning .............15 PCB interface and dip switch settings ....16... -
Page 4: Specification
Specification Designed and made in Japan, the Rinnai INFINITY REU-VCM models are continuous flow gas hot water heaters with inbuilt frost protection. They have electronic ignition and require electricity to operate. The internal units are a room sealed appliances. The internal units have an inbuilt controller on the front panel, the external unit has a status monitor. -
Page 5: Connections
Connections HD49kWe external Cable access Power supply cable Cold water inlet Hot water outlet Gas connection HD49kWi and A28i internal Cable access Power supply cable Cold water inlet Hot water outlet Gas connection Service connection points An approved full flow isolation valve and disconnection union MUST BE fitted to the cold water inlet. -
Page 6: Hd49Kwe External Dimensions (Mm)
HD49kWe external dimensions (mm) 29.5 4× 13×10.1 A dimension 4× 5.5×10.5 long hole long hole 36.4 Cold 46.1 36.3 Cable access 26.2... -
Page 7: Hd49Kwi And A28I Internal Dimensions (Mm)
HD49kWi and A28i internal dimensions (mm) 10～43 (variable) 95.3 Drain pipe 5/8 70.1 A dimension 36.4 4× 5.5×10.5 4× 13×5.7 long hole Cold 46.1 long hole 36.3 Cable access 26.2... -
Page 8: Appliance Location
Location of the flue terminal MUST BE in accordance with Section 6 and Figure 6.2 of AS/NZ 5601. Rinnai recommend a maximum pipe run of 10 m. Power point can be within the pipe cover if a pipe cover is installed—must comply with AS/NZS Wiring rules... -
Page 9: General Installation Information
To achieve the rated flow, the minimum water supply pressures must be met. The water heaters will operate at lower pressures but will not achieve the rated flow. Contact Rinnai for gravity fed or low pressure installations. -
Page 10: External Unit Horizontal Obstructions
(TLD = Temperature Limiting Device) When the Rinnai INFINITY is set to deliver water at a temperature higher than 55 °C, it will be necessary to fit a Temperature Limiting Device for delivery to areas used for the purposes of... -
Page 11: Flued (Internal) Water Heaters
Condensate is a by-product of gas combustion and is mildly acidic. For this reason copper tube and fittings must not be used as it will corrode. Instead Rinnai recommends plastic pipe and fittings such as UPVC or PE. -
Page 12: Water Controller Installation
Water controller installation The maximum number of controllers that can be fitted to the HD49kWe external model is four, and three for the HD49kWi and A28i internal models (one connection is taken up with the inbuilt controller on the front panel), refer water controller configurations section below. - Page 13 Wired water controllers operate at an extra low voltage (12 V DC), which is supplied from the water heater. A 10 m long communication cable is supplied for connection to the water heater. Only Rinnai supplied communication cables may be used. Connecting communication cables to the mini-plug...
- Page 14 Connecting communication cables to the PCB Below image shows Cable access the outdoor unit Controller cable connection...
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Page 15: Commissioning
WARNING Please note The Rinnai INFINITY HD VCM models come with a factory preset outlet temperature of 75 °C, and the A28i with a preset temperature of 55 °C. The high and low gas operating pressures are also factory preset. Under normal operating conditions the operating pressures do not require adjustment during installation. -
Page 16: Pcb Interface And Dip Switch Settings
Rinnai will accept no liability for issues arising out of use of the use of this information. If you have any doubts about the performance of the water heater, please contact Rinnai 0800 RINNAI (0800 746 624). - Page 17 Under normal operating conditions the operating pressures do not require adjustment during installation. Make adjustments ONLY if the unit is not operating correctly and all other possible causes for incorrect operation have been eliminated. Gas pressure setting 1. Attach pressure gauge to burner test point. 2.
- Page 18 Factory preset default dip switch settings Bank SW Description HD49kWi A28i HD49kWe DipSW1 OFF: Flue length = long Model and flue setting ON: Flue length = short OFF: Fixed temp ON: Remote controller 75 °C 55 °C 75 °C Temperature settings See ‘Temperature settings’...
- Page 20 Rinnai.co.nz Installation guide Tel: 0800 746 624 070 00012 34269 6 http://www.youtube.com/rinnainz http://facebook.com.rinnainz U307-2085(00) ◎ Rinnai INFINITY REU-VCM installation guide 01-21 REU-VCM(NZ)