Install Instructions

Table Of Contents
68
BOILER DIMENSIONS & RATINGS
Table 12.3: Combustion Air Fan Speeds
SERIES PEERLESS
®
PUREFIRE
®
COMBUSTION AIR FAN SPEEDS
Boiler
Model
Input
Rate
Fan Speed
Low Power Ignition High Power
PF-50 50 MBH 1350 2790 3360
PF-80 80 MBH 1470 3780 4800
PF-110 110 MBH 1590 4200 5280
PF-140 140 MBH 1440 3990 4800
PF-210 210 MBH 1350 4650 6150
PF-399 399 MBH 1710 5790 7740
Figure 12.2: Dimensional Drawing – PF-210 & PF-399
Table 12.4: PUREFIRE
®
Main Control Specifications
SERIES PEERLESS
®
PUREFIRE
®
MAIN CONTROL SPECIFICATIONS
Power Supply 120 VAC Nominal (102-132 VAC); 60 Hertz (40-70 Hz) Phase Neutral
Fuse (5650) 3.15 Amp, 250 VAC
Blower Voltage 120 VAC
Gas Valve Voltage 120 VAC
Thermostat Contacts 24 VAC
DHW Contacts 24 VAC
Flame Current Limits
Minimum (running): 2.8 µA
Minimum (ignition): 3.1 µA
Maximum: 10 µA
Temperature Sensors
All PUREFIRE
®
NTC thermistors are 12k Ω @ 77°F (25°C).
They operate on 5 VDC.
Supply Sensor: 14°F (-10°C) to 244°F (118°C)
Return Sensor : 14°F (-10°C) to 244°F (118°C)
Flue Sensor: 50°F (10°C) to 280°F (138°C)
Outdoor Sensor: -40°F (-40°C) to 185°F (85°C)
Optional Sensors
DHW Sensor: 14°F (-10°C) to 244°F (118°C)
System Sensor : 14°F (-10°C) to 244°F (118°C)
Standards
Europe: CE EN298
North America: ANSI Z21.20 / CSA C22.2