Roberts Gorden DAT115 Manual Do Utilizador

25

The DualAir

®

 units are fully automatic and operate 

from the external controls fitted on site. 
The only user controls at the heater are the:
Burner lockout reset button:

...................................See Page 26, Section 12.3.3

Limit thermostat reset:

.................................... See Page 25, Section 12.3.1

Second limit thermostat reset button:

...................................See Page 25, Section 12.3.2

12.2 Heater Operation
When the heater has been switched on by the 
remote controls installed, the main burner will 
automatically turn on.
The burner control box will control the ignition of the 
flame.
All heaters require a constant gas and electricity 
supply which must not be interrupted during the 
normal operation of this heater.

The DualAir

®

 unit has three warning lights;

GREEN = Heater ON, burner attempting to fire
RED = Burner LOCKOUT, see Section 12.3.3.
AMBER = Dirty Filter, replace filter, air flow is 
dropping to an unacceptably low value.

12.3 Common User Controls
12.3.1 Combination Fan/Limit Thermostat
The Combination Fan/Limit Thermostat is located 
inside the access door at the top of the heater. See 
Page 38, Section 16.3

This control ensures the heater does not blow cold 
air in the normal heating cycle and protects the heat 
exchanger against overheating.

ON

RUN ON

CLOSE

DOWN

THERMOSTAT

CALL FOR

HEAT

BURNER

RUN

FAN

ON

ON

White fan button

Red limit reset button

(Press to reset)

The combination fan/limit thermostat is preset 
during commissioning.
See Page 7, Section 4.3

 and Page 8, Figure 4.4.

NOTE: To reset, the heat exchanger must be cool.

If the air flow is reduced due to power failure the 
limit thermostat will cause the burner to lockout.

Combination Fan/Limit Thermostat

K017A

Press to reset

These are hand reset devices to give further 
protection against fan failure.
NOTE: To reset, the heat exchanger must be cool.

Secondary Limit Thermostat

90412100