PVI Industries QuickDraw V500-34 Installation & Maintenance Manual

Semi-instantaneous energy: steam to water u-tube single-wall & double-wall heat exchangers

Advertisement

INSTALLATION & MAINTENANCE MANUAL FOR
U-TUBE SINGLE-WALL & DOUBLE-WALL HEAT EXCHANGERS
1.
U-tube Heat Exchanger
2.
Steam Inlet **
3.
Shutoff Valve **
4.
Y-Strainer *
5.
Steam Pressure Gauge *
6.
Steam Valve
7.
Condensate Drain **
8.
Main Steam Trap *
9.
Thermostatic Trap
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
PV500-34 05/03
QuickDraw
SEMI-INSTANTANEOUS
ENERGY: STEAM TO WATER
FLOOR
DRAIN
Typical Construction
minimum of one tank diameter in front.
PVI Industries, LLC
(800) 433-5654
Figure 34-1
10.
11.
12.
13.
14.
15.
16.
P.O. Box 7124
Fort Worth, TX 76111
www.pvi.com
1
FLOOR
DRAIN
Potable Water Inlet
Check Valve **
Intratank Circulator *
Potable Water Outlet
Tank Drain Valve
Relief Valve
Control Enclosure
* Optional
** Not supplied by PVI
(shown with dashed lines)
Section 34

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the QuickDraw V500-34 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Summary of Contents for PVI Industries QuickDraw V500-34

  • Page 1 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. PVI Industries, LLC P.O. Box 7124 Fort Worth, TX 76111 (800) 433-5654 www.pvi.com...
  • Page 2: Connecting Unit

    QuickDraw STEAM WITH SINGLE-WALL / DOUBLE-WALL WARNING! Setting the temperature selector to higher settings provides hotter water which increases the risk of scald injury. Households with small children or invalids may require a 125°F or lower temperature setting to reduce the risk of scald injury. Allow a few days of operation at your selected setting to determine the correct temperature setting consistent with your needs.
  • Page 3: Relief Valve Piping

    QuickDraw STEAM WITH SINGLE-WALL / DOUBLE-WALL (con't) RELIEF VALVE PIPING The water heater is supplied with a pressure injury and/or water damage can occur from temperature relief valve, sized either the manual lifting of the lever or the accordance with ASME requirements. Each normal operation of the valve if it is not relief valve should be piped to a suitable floor piped to a proper drain.
  • Page 4: Steam Valves

    QuickDraw STEAM WITH SINGLE-WALL / DOUBLE-WALL (con't) STEAM VALVES CAUTION Most valve problems are caused by dirt or 1. One or more two-position, on-off, electric trash in the steam line. This is most likely to valves are used to control the flow of steam. occur during installation.
  • Page 5: Start-Up Procedure

    QuickDraw STEAM WITH SINGLE-WALL / DOUBLE-WALL (con't) START-UP PROCEDURE 1. Fill tank with water; open relief valve to main steam supply valve. This will allow purge air from top of tank. Check for condensate that has collected in the supply plumbing leaks.
  • Page 6: Troubleshooting Notes

    QuickDraw STEAM WITH SINGLE-WALL / DOUBLE-WALL (con't) TROUBLESHOOTING NOTES Problem: 1. No hot water at even low flow a. Cause: Steam valve(s) not opening Solution: Check that electrical coils are energized. If not, trace wiring problem. If so, the valve may be faulty, the steam pressure inadequate to open the valve (<...
  • Page 7 QuickDraw STEAM WITH SINGLE-WALL / DOUBLE-WALL (con't) b. Cause: Steam valve(s) not fully opening Solution: Check steam pressure before and after steam valve. The pressure drop should not be more than half of the inlet pressure. Check valve for blockage. Check linkage for adjustment. Check modulating signal (if applicable).

This manual is also suitable for:

Quickdraw

Table of Contents