Wacker Neuson G 2.1A Instrukcja Operatora Strona 30

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PUREHEAT™ HYDRONIC AIR HEATER OPERATOR’S MANUAL – SECTION 2
2- 8 © 2006 Ground Heaters, Inc. V. 2, Rev. 09/01/06
2. Place the Five (5) HHS3004 and Five (5) 4-Port Remote Manifolds spaced appropriately on the
jobsite for thawing application.
3. Connect the five (5) 4-Port Remote Manifolds to the 5-Port On-Board Manifold as directed in Step
2.2.7, Deployment of Circulation Hoses.
4. Connect the Accessory Hose Loop 1 Female QC to one of the available 4-Port Remote Manifold
Discharge Male QCs.
5. Remove the Accessory Hose Loop 1 from the HHS3004 Reel and place at job site for thawing
application. The QCs joining Accessory Hose Loop 1 and Accessory Hose Loop 2 will be exposed
when nearing the end of Accessory Hose Loop 1.
6. Once the QCs have been exposed, separate Accessory Hose Loop 1 and Accessory Hose Loop 2.
Connect the Accessory Hose Loop 1 Male QC to one of the available 4-Port Remote Manifold Return
Female QCs.
7. Connect the Accessory Hose Loop 2 Female QC to one of the remaining 4-Port Remote Manifold
Discharge Male QCs.
8. Remove the Accessory Hose Loop 2 from the HHS Reel and place at job site for thawing application.
The QCs joining Accessory Hose Loop 2 and Accessory Hose Loop 3 will be exposed when nearing
the end of Accessory Hose Loop 2.
9. Once the QCs have been exposed, separate Accessory Hose Loop 2 and Accessory Hose Loop 3.
Connect the Accessory Hose Loop 2 Male QC to one of the available 4-Port Remote Manifold Return
Female QCs.
10. Repeat Step 4 through Step 9 for the remaining Accessory Hose Loop 3 and Accessory Hose Loop 4
of the HHS3004.
11. Repeat Step 4 through Step 10 for the remaining Four (4) HHS3004s.
12. Power up the Main Control Panel as directed in Section 2.3, INITIAL POWER UP and start the
optional Booster Pump after starting the Main Pump in Step 2.4.3.
The Booster Pump must
be connected to the Auxiliary Pump Panel to maintain low
HTF level protection. Operating the Booster Pump without low HTF level protection
could lead to complete loss of system HTF and HTF Pump failure.
2.6 MONITORING OPERATING PARAMETERS
The following parameters should be monitored regularly:
1. Fuel Tank Level:
Keep track of fuel consumption to plan refueling schedule.
2. HTF Level:
Should remain between MIN and MAX lines on the HTF Sight Gauge Decal. (Photo 2-6)
3. HTF Return Temperature(s):
During a thaw application, the return temperatures will drop close to the
surface temperature before rising rapidly to approximately 100ºF (38ºC). Return temperatures will rise
slowly to an approximate 140ºF (60ºC), as the thaw nears completion. During curing applications, the
return temperatures should average 5º to 20ºF (3º to 11ºC) above the concrete surface temperature.
During a frost prevention application, the return temperatures will drop close to the surface
temperature before rising rapidly to approximately 140°F (60°C). During air heating applications, the
return temperatures should be approximately 40ºF (22ºC) below the supply temperature.
4. HTF Supply Pressure:
During air heat, thawing, curing and frost prevention applications, the
operating supply pressures should be 30 to 50 psig (207 kPa to 345 kPa).
5. Plumbing and Fitting Leaks
Always check for leaks during each monitoring period.
!
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