Chapter 1 — Introduction
1-6
Part No. 750-295
The controller is capable of the following functions:
• Burner sequencing with safe start check, pre-purge, direct spark ignition, and post purge.
• Electronic ignition.
• Flame Supervision.
• Safety shutdown with time-stamped display of lockout condition.
• Variable speed control of the combustion fan.
• Supervision of low and high gas pressure, air proving, stack back pressure, high limit, and low water.
• First-out annunciator.
• Real-time data trending.
• (3) pump/auxiliary relay outputs.
• Modbus communication capability.
• Remote firing rate or setpoint control
• Setback/time-of-day setpoint
1.6-WATER LEVEL & STEAM PRESSURE CONTROLS
See Chapter 4 for initial settings of the OLC (Operating Limit Control) and HLC (High Limit Control), and
for water column alarm levels and probe lengths.
See Chapter 5 for water column and gauge glass blowdown procedure.
1.7-OPTIONAL EQUIPMENT
Certain options are available for the Model CFH Boiler; normally these will have been specified at the time
of order entry. In addition, some options may have been provided (by others) that are not part of Cleaver-
Brooks scope of supply. In either case, the Cleaver-Brooks authorized representative should be consulted
regarding specific project requirements.
Model CFH optional features
• Boiler Status Lights & Alarm horn
• High Gas Pressure Regulator (>1 psig supply; shipped loose)
• Gas pressure relief valve (>1 psig supply; shipped loose)
Figure 1-7 LWCO & limit controls
ALWCO
STEAM PRESSURE
GAUGE
LWCO &
OLC
HLC
COLUMN
Содержание ClearFire CFH
Страница 14: ...Chapter 1 Introduction 1 8 Part No 750 295 ...
Страница 26: ...Chapter 2 Installation 2 12 Part No 750 295 Figure 2 10 CFH wiring and cable connections 1 2 3 4 5 6 7 ...
Страница 27: ...Chapter 2 Installation Part No 750 295 2 13 Figure 2 10 CFH wiring diagram typical 10 60 HP ...
Страница 28: ...Chapter 2 Installation 2 14 Part No 750 295 Figure 2 11 CFH wiring diagram typical 70 80 HP BLOWER CCT FUSE ...
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Страница 92: ...Chapter 6 Model CFH Parts 6 2 Part No 750 295 6 1 CONTROL PANEL 10 60 HP ...
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Страница 100: ...Chapter 6 Model CFH Parts 6 10 Part No 750 295 Standard gas train 30 HP ...
Страница 105: ...Chapter 6 Model CFH Parts Part No 750 295 6 15 6 4 2 Gas Train Dual Fuel 30 HP dual fuel ...
Страница 106: ...Chapter 6 Model CFH Parts 6 16 Part No 750 295 40 HP dual fuel ...
Страница 107: ...Chapter 6 Model CFH Parts Part No 750 295 6 17 50 60 HP dual fuel ...
Страница 109: ...Chapter 6 Model CFH Parts Part No 750 295 6 19 6 4 3 Gas Train Dual Fuel w Low Gas Pressure Option 30 HP dual fuel lgp ...
Страница 110: ...Chapter 6 Model CFH Parts 6 20 Part No 750 295 40 HP dual fuel lgp ...
Страница 111: ...Chapter 6 Model CFH Parts Part No 750 295 6 21 50 60 HP dual fuel lgp ...
Страница 112: ...Chapter 6 Model CFH Parts 6 22 Part No 750 295 6 4 4 Gas Train Propane 30 HP propane ...
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Страница 114: ...Chapter 6 Model CFH Parts 6 24 Part No 750 295 50 60 HP propane ...
Страница 120: ...e mail info cleaverbrooks com Web Address http www cleaverbrooks com ...