Roberts Gorden DAT115 Manual Do Utilizador

Página de 52
D
UAL
A
IR
®
 H
EATING
 
AND
 
COOLING
 U
NITS
 I
NSTALLATION
 O
PERATION
 
AND
 S
ERVICE
 M
ANUAL
24 
water collection and a shortened heat exchanger 
life.
Pressure Switch
The pressure switch is factory pre-set for each 
model and is not adjustable.
11.6 Turning Off the DualAir
®
 Unit
Set the external controls to the off position and the 
main burner will stop.
The fans will run until they are stopped automatically 
by the fan thermostat. 
Do not use electrical isolator for control of 
heater. Electrical isolator will switch off the fan. 
Heat exchanger could be damaged. Warranty will 
not cover damage to the heat exchanger if 
operated improperly.
11.7 External Controls
External controls may include time switch, room 
thermostat and frost thermostat. Operate each 
control to ensure that they function correctly. Set the 
time switch (if fitted) and room thermostat to the 
users’ requirements. Operate the external controls 
and ensure that the installed cooling stages operate 
correctly as described on Page 17, Section 10.3
11.8 Complete the Commissioning
Ensure that all covers are fitted correctly and all test 
points are properly sealed.
11.9 Instruction to the User
Explain the controls of the DualAir
®
 unit 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 and the user instructions on Page 25, 
Section 12
warnings defined in this manual.