Boiler Components - Thermolec TB42 Installation Instructions Manual

III.

Boiler Components

Incoloy elements
Electronic
temperature
sensor
Mounting holes
Outlet 1-1/4ÊÊ NPT
Temperature /
pressure
gauge
Pump relay
Inlet 1-1/4ÊÊ NPT
Fig. 1
Note : The model shown above is a typical FFB boiler 15kW / 240 Volts / 1 phase.
Model shown below is a TMB boiler 11kW / 240 / 1 phase.
Fig. 3
Outdoor reset sensor
Manual reset
Solid state relays
thermal cut-out
18"
Pump relay terminals
(dry contacts 10A)
1 phase.
Model TMB
Page 3
Model FFB
9"
Ground lug
Fuse and
fuse holder
13"
Magnetic back-up contactor
Boiler control
transformer
18"
Circuit breaker
18"
9"