0) lighting and shutdown instructions, 0) sequence of operation – Space Ray RSTP Series User Manual

Page 27

Form 43206000

-26-

Sept 2011

16.0)

LIGHTING AND SHUTDOWN INSTRUCTIONS

Failure to do so may result in death, serious injury or property

damage.

The access panel must be closed tightly during operation.

Never operate the heater with the access panel open or removed.

Turn on the gas and electrical supply. Rotate the gas valve knob counter-clockwise to the “ON” position.

Set the thermostat to call for heat. The blower motor will energize.

Ignition should occur after the 30-second air pre-purge.

If ignition fails, the unit will spark for approximately 21 seconds and go into safety lockout. Turn the

thermostat (power) off for 60 seconds to take the system out of lockout.

If the heater does not light, manually reset the thermostat or shut off power completely for 5 minutes before

attempting to relight.

To permanently shut down the heater, rotate the gas valve knob clockwise to the “OFF” position and turn

off the gas and electrical supply.

NOTE:

NOTE: The lighting and shutdown instructions are also shown on the permanent nameplate label attached to the

The lighting and shutdown instructions are also shown on the permanent nameplate label attached to the

heater control box.

17.0)

SEQUENCE OF OPERATION

The chart below shows the sequence of operation for the normal operating cycle.

Call for heat, Thermostat on

Thermostat

Blower

Red light

Ignition

Air switch

Gas valve

Flame sensing

Amber valve light

Function ON

Function OFF

Green power light

30 secs pre-purge

21 secs trial for ignition

Normal operation flame sensing

Thermostat off, Heater OFF

If the flame is not sensed during sequence T3 then the burner will automatically begin ignition sequence T2. If
the flame is not re-established the heater will go to lockout.