Rinnai Q175C Manuel utilisateur

Q175C Condensing Boiler

Q175C SP 2/2011

SPECIFICATIONS

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.

Standard Features

• Onboard outdoor reset control system with sensor standard

• Prebuilt plumbing kit with insulated Low Loss Header

• Priority DHW standard (3 way valve not included)

• Domestic hot water plate warming

• Built in DHW 6.6 gallon indirect tank

• Modulating Ceramic premix burner

• 5:1 turn down ratio

• Spark ignition

• Exceeds SCAQMD 1146.2 Low NOxrequirements

• Stainless Steel Water tube condensing heat exchanger

• Direct Vent sealed combustion

• Concentric and twin pipe venting adapters included

• Approved for room and closet installations

Optional Accessories

• RS100 Single zone controller

• Flue Gas temperature sensor

• Room Air Filter

• NG to LP conversion Kit

• LP to NG Conversion Kit

General Specifications

Units

Water content gal 1.8

Max. supply boiler

temperature °F 176

Max operating pressure psi 45

Relief valve rating MBH 375

Relief valve pressure rating psi 30

Dry weight lbs 196

Min inlet gas pressure NG "W.C. 4.0"

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 ft 80

Max equivalent combustion

air vent length ft 80

Approved venting materials Polypropylene,

Stainless Steel,

PVC, CPVC

Performance Specifications

Units

Fuel Type NG/LP

Input MBH 175

Heating Capacity MBH 161

AFUE (I=B=R) % 95.7

Part Load Efficiency (EN677) % 98.5

DHW flow rate 75ºF ΔT Gpm 4.1

Electrical Specifications

Units

Electrical Voltage Mains V/Hz 120/60

Electrical Voltage Controls V 24

Power Consumption Max Load W 210

Power Consumption Stand by Load W 14

Recommended Circuit breaker rating A 15

Q175C

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

DIMENSIONS

inch / mm

A Height 26.8 / 680

B Width 39.4 / 1000

C Depth 15.2 / 385

D Left side / vent 19.5 / 495

E Center to center / vent and

air supply 4.7 / 120

F Back / vent 10.6 / 270

G Left side / gas pipe 2.6 / 65

H Left side / supply pipe 7.3 / 185

J Left side / return pipe 17.5 / 445

K Left side / condensate pipe 20.9 / 530

P Pipe length of g 0.7 / 18

Q Pipe length of c 2 / 50

R Pipe length of e, f, k, r, and w 2.3 / 60

S Back / center of pipe c 1 / 25

T Back / Center of pipe g 1.6 / 40

U Back, / center of pipe e, f, k,

r, and w 2 / 50

V Pipe length vent co-axial

Pipe length vent parallel 2.6 / 65

5.8 / 147

L Left side / expansion pipe 23.2 / 590

N Left side / cold water pipe 34.8 / 885

O Left side / hot water pipe 37.6 / 955

Top 2 / 50 10 / 250

Back 0 0

Front 6 / 150 24 / 600

Left side 2 / 50 2 / 50

Right

side 2 / 50 2 / 50

Floor /

Ground 12 / 300 30 / 762

Vent 0 0

inch / mm

Minimum required

clearance to

combustibles and

non-combustibles

Recom-

mended

service

clearances

inch / mm

Clearances

2.0”

50mm

2.1”

54mm [5.6”

142mm

10.2”

260mm

12”

305mm

15”

381mm

4.7”

120mm

5.2”

133mm 17.2”

438mm 19.7”

501mm

18.6”

474mm

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