Rinnai Rice Cooker E50C User Manual

E50C Condensing Boiler

Standard Features

 Factory installed boiler/system pump  Onboard outdoor reset control system with sensor standard  Priority DHW standard  Built in DHW plate heat exchanger  Modulating Ceramic premix burner  6.25:1 turn down ratio  Spark ignition

 Exceeds SCAQMD 1146.2 Low NO

 Stainless Steel Water tube condensing heat exchanger  Direct Vent sealed combustion  Twin pipe venting adapters included

 Approved for room and closet installations

(Zero Clearance to Combustibles)

SPECIFICATIONS

General Specifications

Units

Water content gal 0.9

Max. supply boiler

temperature Max operating pressure psi 45 Relief valve rating MBH 375

°F 176

requirements

Boiler Model

E50C

Performance Specifications

Units E50C

Fuel Type NG Input (Heating) MBH 50 Heating Capacity MBH 47 Input (DHW) MBH 85 Minimum Input MBH 13

Max Head Pressure at Flow

Rate

Optional Accessories

 RS100 Single zone controller  Flue Gas temperature sensor  Room Air Filter  NG to LP Conversion Kit  Flow Switch Conversion Kit  Low Loss Header Plumbing Kit  Low Loss Header Side Mount Kit

4.6ft* at 5.0GPM

Relief valve pressure rating psi 30 Dry weight lbs 91 Min inlet gas pressure NG "W.C. 3.0" Max inlet gas pressure NG "W.C. 10.5" Min inlet gas pressure LP "W.C. 8.0" Max inlet gas pressure LP "W.C. 14.0”

Max equivalent exhaust

vent length

Max equivalent combustion

air vent length

Approved venting materials

ft 100

Polypropylene,

Stainless Steel,

PVC, CPVC

AFUE (I=B=R) % 95.6

Part Load Efficiency

(EN677) DHW flow rate 75°F ΔT gpm 2.1

*4.6ft of Head Pressure is equal to 2 PSI

% 98.8

Electrical Specifications

Units

Electrical Voltage Mains V/Hz 120/60 Electrical Voltage Controls V 24

Power Consumption Max

Load

Power Consumption Stand

by Load

Recommended Circuit

breaker rating

W 145

W 14

A 15

Boiler Model

E50C

Rinnai is continually updating and improving products; therefore, specifications are subject to change without prior

notice. Local, state, provincial and federal codes must be adhered to prior to installation.

E50C SP 7/2013

DIMENSIONS

E50C Condensing Boiler

E50C

inch / mm

A Height B Width 19.7 / 500 C Depth 15.6 / 395 D Left side / vent 13.2 / 335

Center to center / vent and air

supply F Back / vent 10.6 / 270 G Left side / gas pipe 9.8 / 250 H Left side / supply pipe 5.9 / 150 J Left side / return pipe 13.8 / 350 K Left side / condensate pipe 15.9 / 405 N Left side / cold water pipe 11.2 / 285 O Left side / hot water pipe 8.5 / 215 P Pipe length of g 0.7 / 19 Q Pipe length of c 1.6 / 40

25.6 / 650

4.7 / 120

Additional Information:

 If the boiler is to be installed in a system that utilizes zone

circulators and not zone valves a low loss header plumbing

kit is required to be installed.

 If the pressure drop in the loop/system is greater than the

available head pressure from the boiler circulator a Low Loss

Header Plumbing kit part number: 804000061 must be used.

 If the boiler is installed in a system with zone valves and the

constant recirculation function is activated then a differential pressure bypass valve or a low loss header plumbing kit is

required to be installed.

R Pipe length of f, k, r, and w 2 / 50

Back / center of pipe c, k, and

w T Back / Center of pipe f, g, and r 2 / 50

Pipe length vent co-axial

Pipe length vent parallel

1 / 26

3.7 / 95 7 / 177

Clearances

Minimum required

inch / mm inch / mm Top 0 10 / 250 Back 0 0 Front 1 / 25 24 / 600 Left side 0 2 / 50 Right side 0 2 / 50 Floor / Ground 0 30 / 762 Vent 0 0

clearance to

combustibles and

non-combustibles

Recom-

mended

service

clearances

Rinnai Corporation • 103 International Drive • Peachtree City, GA 30269 • Toll-Free: 1-800-621-9419 • Fax: 678-364-8643 • www.rinnai.us