Introduction; Technical Data; Performance - Baxi LUNA DUO-TEC 1.70 User Manual

1.

INTRODUCTION

The Luna DUO-TEC 1.70 and Luna DUO-TEC 1.110 are room-sealed, fan assisted, wall-hung, heat only condensing boilers.
The boilers are designed for use with a fully pumped, sealed and pressurized heating system.
The boilers are supplied with a pump, pressure relief valve and pressure gauge fully assembled and tested.
The maximum output available for central heating is 216,329.68 btu/h (63.40 kW) with a temperature rise of 70°F/39°C for the
DUO-TEC 1.70 model and 348,038.28 btu/h (102.00 kW) with a temperature rise of 70°F/39°C for the DUO-TEC 1.110 model.
WARNING
The law states that all gas appliances are installed by a competent person. It is your responsibility to comply with the
law to ensure a safe and proper installation.
• In the United States, the installation must conform to the requirements of the authority having jurisdiction or, in the absence of
such requirements, to the National Fuel Gas Code, ANSI Z223.1/NFPA 54. Where required by the authority having jurisdiction,
the installation must conform to the Standard for Controls and Safety Devices for Automatically Fired Boilers, ANSI/ASME
CSD-1. Safe lighting and other performance criteria were met regarding the gas manifold and control assembly provided on
the boiler when the boiler underwent tests specified in ANSI Z21.13-latest edition.
• In Canada, the installation must conform with CGA B149.1 Natural Gas and Propane Installation code and/or the local
installation code, plumbing or waste water codes and other codes as applicable.
• Ensure the boiler clearances to combustibles are adhered to and combustible material is protected properly.
• Manufacturer's instructions must NOT be taken in anyway as over-riding statutory obligations.
2.

TECHNICAL DATA

2.1

PERFORMANCE

LUNA DUO-TEC 1.110
Central Heating
Heat Input (Gross)
Heat Output (modulating)
Gas Rate A (Natural Gas)
Gas Rate E (LPG Gas)
Max. CH Water Temp. (Approx.)
LUNA DUO-TEC 1.70
Central Heating
Heat Input (Gross)
Heat Output (modulating)
Gas Rate A (Natural Gas)
Gas Rate E (LPG Gas)
Max. CH Water Temp. (Approx.)
Gas type
Gas Rate A (Natural Gas)
Gas Rate E (LPG Gas)
7703477.01 (1-03/18)
MAX
0-2,000 Ft 2,000-4,500 Ft
0-610 m
379,127
Btu/h
111.11
kW
348,038
Btu/h
102
kW
377.34
ft /h
3
10.69
m /h
3
149.16
ft /h
3
4.22
m /h
3
°F
°C
MAX
0-2,000 Ft 2,000-4,500 Ft
0-610 m
240,897
Btu/h
70.6
kW
216,330
Btu/h
63.4
kW
242.59
ft /h
3
6.87
m /h
3
95.04
ft /h
3
2.69
m /h
3
°F
°C
Supply pressure (operating)
Min
3.5 in w.c. / 8.7 mbar
8.0 in w.c. / 20.0 mbar
6
MIN
610-1,370 m
360,170 39,050
105.56 11.44
330,978 36,885
97 10.8
360.42 39.11
10.21 1.11
139.80 15.86
3.96 0.45
176
80
MIN
610-1,370 m
228,613 35,827
67.0 10.5
205,411 32,074
60.2 9.4
228.22 35.90
6.46 1.01
90.00 13.50
2.55 0.38
176
80
Max
10.5 in w.c / 26.0 mbar
13 in w.c / 32.4 mbar