UHD S
TANDARD
D
UCT
F
URNACE
I
NSTALLATION
O
PERATION AND
S
ERVICE
M
ANUAL
32 of 55
11.3 Pressure Switch
The pressure switch is factory pre-set for each
model and is not adjustable.
11.4 Turning Off the Heater
Set the thermostat to the
"
OFF
"
position or lowest
setting and the main burner will stop.
11.5 External Controls
External controls may include time switch, interlock
switch, room thermostat and frost thermostat.
Operate each control to ensure that they function
correctly. Set the switches (if fitted) and
thermostat(s) to the users’ requirements.
11.6 Complete Start-Up
Ensure that all covers are fitted correctly and all test
points are properly sealed.
11.7 Instruction to the User
Explain the controls of the heater to the user
including how to turn it on and off, using the controls
fitted on site.
Give this manual to the user.
Ensure that the user is shown and understands the
importance of maintaining clearances to
combustibles
on Page 7, Figure 4
, installer
responsibility
on Page 5, Section 2
and user
instructions
on Page 33, Section 12
and all
warnings defined in this manual.
Summary of Contents for UHD150
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