PEERLESS PUREFIRE PF-850 - Page 76

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Table 12.4: PUREFIRE
®
Main Control Specifications
SERIES PEERLESS
®
PUREFIRE
®
MAIN CONTROL SPECIFICATIONS
Power Supply
Voltage 120 VAC Nominal (102-132 VAC)
Frequency 60 Hz Nominal (40 Hz to 70 Hz)
Fuses
Primary Control 3.15 Amp, 250 VAC
Pump Relay (3) 10 Amp, 250 VAC
Blower Voltage 120 VAC
Gas Valve Voltage 120 VAC
Thermostat Contacts Voltage 24 VAC
DHW Contacts Voltage 24 VAC
Flame Current Limits Current
Minimum (running): 2.8 µA
Minimum (ignition): 3.1 µA
Maximum: 10.0 µA
Temperature
Sensors
NTC Thermistors
12kW at 77°F (25°C)
Supply 14°F (-10°C) to 244°F (118°C)
Return 14°F (-10°C) to 244°F (118°C)
Flue 50°F (10°C) to 280°F (138°C)
Header 14°F (-10°C) to 244°F (118°C)
Outdoor -40°F (-40°C) to 185°F (85°C)
Optional Sensors
DHW 14°F (-10°C) to 244°F (118°C)
System 14°F (-10°C) to 244°F (118°C)
Standards
North America ANSI Z21.20 / CSA C22.2
Europe CE EN298
BOILER DIMENSIONS & RATINGS