281 Issue 1 - Service Manual - BX3
5
1.5 BX320 Technical Information
AGA Approval No.: 8159 Energy Label Star Rating: 3.8 stars 154 MJ/m
3
/Year
Dimensions Width Height Depth Weight
Cabinet 420 850 775 57KG
Duct Connection Standard
300mm or 350mm
Gas Type: Natural Gas
Input (max) 92MJ/h
Output (max) 20kW
Burner Pressure (max) 0.82KPa
Gas Injector Orifice
Main Burner 2.25mm
Fan Motor
Model Fasco
Model No. 808555NVA-A13
Watts 315 Watts
Amps 2.5 Amps
Capacitor 10 uF
Fan Impellor Size 255mm x 180mm (9” X7”)
Combustion Fan:
Model. Fime GRO4100
Model No. FL120042Y - 13
Watts. 60 Watts
Amps 0.55 Amps
Resistance 40.6 Ω
Pressure switch 115pa
Return Air Grille Size Standard XA
With Filter 0.36 m
2 0.38
No Filter 0.25 m2 0.26
Airflow @ Total Static Pressure 50 Pa 75 Pa 100 Pa 125 Pa
Standard 640l/s 615l/s 585l/s 560l/s
XAir 685 655 630 600
Gas Valves:
VR8215S,T Honeywell
Main Burner:. In shot Burner
Ignition System
Tytronics HCDSI24-1DT control box
– Intermittent Sparking Pilot.
Heat Exchanger: Aluminised Steel Tubes
Control Fuse: 2 Amp type 3AG. Slow Blow
Transformer: Model T- B024702 240 – 24/12V, 50HZ, 1.75Amps .
Over Temperature Switch:
Supply Air Compartment: Texas Inst Klixon Oil 1747 L110 (opens at 110oC).
Flame Roll-Out Sensor (AFRO):
Supply Air Compartment: Texas Inst Klixon Oil 1747 L90 (opens at 90oC).
Electronic Heater Controller: Tytronics HCDSI24-1DT
FEATURES:
Tytronics HCDSI24-1DT control box with LED diagnostic display, flame roll-out Klixon , direct main in-shot burners, induced
combustion airflow, circulation air fan has an optional 3 speeds for heating. Wiring terminal connection for thermostat / system
with heat.
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