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PV500-24  03-99 

 

Section 24 

1

INSTALLATION & MAINTENANCE MANUAL FOR 

QuickDraw

 

INSTANTANEOUS 

ENERGY:  WATER TO WATER 

U-TUBE SINGLE-WALL & DOUBLE-WALL HEAT EXCHANGERS 

 

 

 

TYPICAL CONSTRUCTION 

FIGURE 24-1 

 

1.  U-tube Heat Exchanger 

9.  Boiler Water Temperature Gauge * 

2.  Boiler Water Inlet 

10.  Tridicator * 

3.  Boiler Water Pump 

11.  Flow Switch * 

4.  Control Enclosure 

12.  Relief Valve (AGA optional) 

5.  Intratank Circulator 

13.  Tank Purge Valve * 

6.  Potable Water Inlet 

14.  Boiler Water Outlet 

7.  Potable Water Outlet 

15.  Check Valve 

8.  Tank Drain 

 

 

 

 

* Optional 

 

 

 

 

 

 

 

CAUTION: TEMPERATURES HIGHER THAN 125

°

F. INCREASE THE RISK OF SCALD INJURY! 

 
IMPORTANT: Clearances for servicing and inspection are 18” at top, sides and rear and a 

minimum of one tank diameter in front.  

Summary of Contents for QuickDraw PV500-24

Page 1: ...r Water Inlet 10 Tridicator 3 Boiler Water Pump 11 Flow Switch 4 Control Enclosure 12 Relief Valve AGA optional 5 Intratank Circulator 13 Tank Purge Valve 6 Potable Water Inlet 14 Boiler Water Outlet 7 Potable Water Outlet 15 Check Valve 8 Tank Drain Optional CAUTION TEMPERATURES HIGHER THAN 125 F INCREASE THE RISK OF SCALD INJURY IMPORTANT Clearances for servicing and inspection are 18 at top sid...

Page 2: ...with water open the relief valve or a nearby hot water outlet to purge air from the top of tank Check for plumbing leaks 2 Push the control switch to on position Check boiler water pump operation The tank circulating pump should also operate Check thermostats for proper setting The thermostats are labeled as to their function The temperature limiting device is set at 200 F Temperature Setting The ...

Page 3: ... RELIEF VALVE PIPING The water heater is supplied with a pressure and temperature relief valve sized in accordance with ASME requirements Each relief valve should be piped to a suitable floor drain No reducing coupling or other restriction can be installed in the discharge line MAINTENANCE 1 A preventive maintenance program should be established to assure a long trouble free life for the water hea...

Page 4: ... safety device 3 The temperature limiting device and thermostat sensors that extend into the water in the tank may become coated with scale depending on the type of water in your area This coating will affect the accuracy of the sensors and can allow the water temperature to exceed the desired limits They should be removed from the tank and inspected at intervals Remove scale if present CAUTION On...

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