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Sunpak Infrared Heater 

 

Model S34-TSH 

Sunpak S34-TSH 

The Sunpak S34-TSH outdoor heater provides radiant heat with both a high and low heat 
setting. This non-remote control heater is hardwired making it easily adaptable for multi-heater 
installations where a central system control panel is use. 

The Sunpak S34-TSH two stage heaters are easily controlled using a duplex switch such as the 
Leviton switch No. 5634. The switch must be wired according to our diagram to work properly.  A 
24 VAC Class 2 transformer is required to supply electrical to heater. 
 

 

Figure 1.

  A 24 VAC 20 VA Class 2 Transformer 

with a UL/CSA listing is required for each heater.  

Transformer is to be supplied by installer

 

Figure 2.

  The Leviton #5643 dual switch offers 

one option for easy control of the S34-TSH. See 
wiring diagram on opposite page. 

Switch is to 

be supplied by installer

 

 

Initial Power-up of Sunpak S34-TSH 

Once the heater has been mounted properly, the clearance from combustible material verified 
and the gas and electric power hooked up you are ready to POWER-UP. See Sunpak Instruction 
#65132 for details. 
 

POWER-UP 

Always start the Sunpak heater on the high setting.  Once the heater is at full heat, the low 
setting can be used.  

Note: There is a 5 second delay before the heater powers up. 

Press the ON switch to start the ignition sequence.  The spark will initiate within 5 seconds 
followed by the ignition of the pilot.  If the pilot fails to ignite after 10 seconds the gas and spark 
will shut off.  The control will try to light 3 times before lockout.  To reset the heater, turn the 
heater switch OFF.  Turning the heater switch back ON will restart the ignition sequence. 

NOTE: 

 If the burner fails to ignite you must wait 5 minutes before attempting to relight the 

heater.  

TROUBLE SHOOTING TIPS

 

If the heater fails to start on a new installation make sure that 1) you have the proper power to 
the heater and 2) all air has been cleared from the gas line. 

 

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