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*  Minimum operation pressure and flow based on temperature set point and inlet water conditions.

 

 Model 

HD50e 

26i  -  HD50i 

Units 

 

Installation 

External 

Internal  

  

 

G20 Nat Gas Press Low 

1.29 

1.75 

mbar 

 

G20 Nat Gas Press High 

6.81 

9.35 

mbar 

 

G31 Propane Press Low 

2.21 

2.36 

mbar 

 

G31 Propane Press High 

11.2 

11.1 

mbar 

 

Flue System  

Direct Forced Exhaust

 

Forced, Room Sealed 

 

 

Temp. Range Controllers 

37-46, 48, 50, 55, 60, 65, 75 

°C 

 

Temp. via dip switches 

40, 42, 50, 55, 60, 65, 75, 85 

°C 

 

Ignition 

Direct Electronic Ignition    

 

 

 

Gas Consumption & Capacities 

min 

conditions 

( H

i

 = net calorific value   H

s

 = gross calorific value ) 

 

G20 Nat Gas: Input Q

m:

 Hi/Hs | Useful output P

3.93/4.36 | 3.49 

3.93/4.36 | 3.49 

kW 

 

G20 Nat Gas flow V  

0.42 

0.42 

m

3

/hr 

 

G31 Input Q

m

: Hi/Hs | Useful output P

m

 

4.01/4.36 | 3.49 

4.01/4.36 | 3.49 

kW 

 

G31 flow normal operating conditions M

m

 

0.31 

0.31 

Kg./hr 

 

Gas Consumption & Capacities 

nominal 

condit. 

( H

i

 = net calorific value   H

s

 = gross calorific value ) 

 

G20 Nat Gas: Input Q

n

: Hi/Hs | Useful output P

n

 

49.8/55.3 | 45.9 

48.6/54.0 | 44.8 

kW 

 

G20 Nat Gas flow ref. conditions V

r

 

5.27 

5.14 

m

3

/hr 

 

G31 Input Q

n

: Hi/Hs | Useful output P

n

 

50.9/55.3 | 45.9 

49.7/54.0 | 44.8 

kW 

 

G31 flow normal operating conditions M

n

 

3.95 

3.86 

Kg./hr 

 

Country of destination 

GB/IE   

 

Gas category and pressure 

I

2H

 G20-20mbar / I

3P

 G31-37mbar   

 

Type 

A3 Outdoor 

C13/33 Indoor 

 

 

Max Flow 

32 

32 

L/min 

 

Min Operation Flow 

ON = 2.4*  /  OFF = 1.7* 

ON = 2.4*  /  OFF = 1.7* 

L/min 

 

Water Pressure (P

w

 ) 

1.4* - 10.0 

bar 

 

Power Supply 

230 V / 50 Hz

 

 

 

Electric Consumption (normal/stand-by/anti-frost) 

50 / 2 / 100 

66 / 2 / 100 

Watts 

 

Noise Level 

50 

50 

dB (A) 

 

Ignition safety time T

SAmax  

4.2 

Sec. 

 

Weight

 

23 

24 

Kg. 

 

TECHNICAL DETAILS 

Summary of Contents for INFINITY 26i

Page 1: ...inuous Flow Water Heater Important Read these instructions carefully before attempting installation or use of this appliance All work must be carried out by competent persons REU VR2632FFUD 26i REU VR...

Page 2: ...E HD70e REU VRM3237WHD E HD70i REU VRM3237FFUHD E Certificate numbers E0841 5386 Rev 5 E0716 5360 Rev 05 E1061 5498 Rev 1 E1060 5498 Rev 1 ID number 0461BP0795 0461BO0739 0461BS0903 0461BS0903 Date of...

Page 3: ...3 This manual is intended for use by Gas Safe Registered Engineers November 2012...

Page 4: ...4 CONTENTS 3 CONTENTS...

Page 5: ...5 Glossary of Terms and Symbols...

Page 6: ...n 3 C above the selected temperature the burner is shut OFF and only turned ON again when the temperature falls to below the selected temperature The burner lights automatically when the hot water tap...

Page 7: ...m3 hr G31 Input Qm Hi Hs Useful output Pm 4 01 4 36 3 49 4 01 4 36 3 49 kW G31 flow normal operating conditions Mm 0 31 0 31 Kg hr Gas Consumption Capacities nominal condit Hi net calorific value Hs...

Page 8: ...8 WATER FLOW CHARACTERISTICS 26i HD50e HD50i HD70e HD70i...

Page 9: ...9 DIMENSIONS 26i HD50i...

Page 10: ...10 DIMENSIONS HD50e...

Page 11: ...6 48 50 C Master universal Controller 37 38 39 40 41 42 43 44 45 46 48 50 55 C 60 65 C HD Deluxe Bathroom Controller Hot Water Delivery 37 38 39 40 41 42 43 44 45 46 48 50 C Bath fill Delivery 37 38 3...

Page 12: ...erred The temperature set point on the controller with priority can always be lowered but the set point can only be raised to 43 C Other controllers are unable to take priority or change the delivery...

Page 13: ...noise Table B Maintenance Monitor Section No Information Given Units Given Data Range O1 Water Flow sensor Recognition Flow Rate Liter per Min 0 O2 Water Outlet Thermistor Temperature C 0 O3 Combusti...

Page 14: ...This will shut the water heater down completely including the temperature controller digital display The Digital Monitor will go out If hot water taps are opened when the Rinnai is off cold water wil...

Page 15: ...r the system Select the desired temperature using the Hot water temp buttons The selected temperature will be displayed on all controller displays This is the water temperature which will be supplied...

Page 16: ...elected on a controller and priority of temperature selection is transferred to another controller then back again the temperature on the controller will automatically drop to 50 C If the set point is...

Page 17: ...To bypass this see page 11 Positioning the temperature controls the following points should be taken into account Fit the controls out of reach of children suggested height from the floor 1 5m Avoid...

Page 18: ...18 OPERATION HD50e 26i HD50i...

Page 19: ...team 4 Overheat Safety Bi metal Switch This Bi metal Switch is fixed at the inlet bend of the Heat Exchangers final pass If the temperature outlet from the heat exchanger reaches 97 C the bi metal swi...

Page 20: ...20 WIRING DIAGRAM 26i HD50e HD50i...

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