Operator`s manual
  PUREHEAT™ HYDRONIC AIR HEATER OPERATOR’S MANUAL – SECTION 2 
2- 10  © 2006 Ground Heaters, Inc.  V. 2, Rev. 09/01/06   
2-13
Valve #7 
Valve #5
Valve #6
9.  Return Foot Pedal to storage location. 
2.7.4 Completing Unit Shutdown
1.  Retrieve and reload the Heat Xchangers™ into the trailer. Stow ramp, latch and lock the Rear Doors 
to secure Heat Xchangers™. 
NOTE:  If loading a different series of Heat Xchangers™ into the P 1260, refer to Photo 2-12 for proper 
positioning of the Heat Xchanger™ Storage Area Cross-Support Bar. 
2.  Disconnect the optional Booster Pump and Auxiliary Pump Panel as directed in Step 2.8.4. 
3.  Disconnect fuel supply line(s). NG or LP disconnection requires a qualified technician. 
4.  Turn the CAB LIGHT, HOSE REWIND, PUMP, BURNER, HTF FILL, MAIN BREAKER 1 and MAIN 
BREAKER 2 Switches OFF. 
5.  Disconnect and remove the power cords; Latch and Lock all remaining Doors. 
2.8  CONNECTING/DISCONNECTING OPTIONAL BOOSTER PUMP
(Refer to Appendix A-15 and B-2.) 
2.8.1 Connecting
  1.  Install / connect Auxiliary Pump Panel to the Main Control Panel (Refer to Appendix A-15 and B-2). 
NOTE:  The Auxiliary Pump Panel ensures that the optional Booster Pump will shutdown if a LOW LEVEL 
FAULT condition exists. 
  2.  Place the optional Booster Pump within 6 ft (2 m) of the 5-Port On-Board Manifold. 
  3.  Remove the Suction Cam-Lock Leader Hose, Return Cam-Lock Leader Hose and the Power Cord 
stowed in the interior of the Booster Pump enclosure. 
  4.  Ensure that Suction Valve #6 and Return Valve #7 are SHUT and LOCKED. (Photo 2-13) 
  5.  Ensure the Auxiliary Pump Panel BREAKER Switch is OFF. 
  6.  Ensure the Main PUMP Switch is OFF at the Main 
Control Panel. 
  7.  Remove the Protective Caps from the 5-Port On-
Board Manifold and remove the Cam-Lock Protective 
Caps of the Cam-Lock Suction Valve #6 and the 
Cam-Lock Return Valve #7. 
  8.  Connect the Booster Pump Suction Cam-Lock Leader 
Hose to the Cam-Lock Suction Valve #6 Cam-Lock 
and connect the optional Booster Pump Return Cam-
Lock Leader Hose to the Cam-Lock Return Valve #7. 
DO NOT CONNECT THE OPTIONAL BOOSTER 
PUMP SUCTION LEADER HOSE AND RETURN 
LEADER HOSE WITH THE MAIN PUMP ON. 
VERIFY SYSTEM PRESSURE IS AT ZERO (0) 
PSIG. PRIOR TO CONNECTION. 
9. UNLOCK and OPEN Suction Valve #6 and Return 
Valve #7. Shut the Cross-Connect  Valve  #5. 
(Photo 2-13) 
  10.  Plug the Booster Pump power cord into the Auxiliary Pump Panel Female Pigtail. 
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