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QuickDraw



Storage and Semi-instantaneous

Boiler Water Heater

5

PV500-26 05/13

Typical QuickDraw

®

Semi-Instantaneous Construction

1. U-tube Heat Exchanger

10. Boiler Water Outlet

2. Control Enclosure

11. Electronic Operating Control *

3. Potable Water Inlet

12. Boiler Water Temperature Gauge *

4. Potable Water Outlet

13. Boiler Water Pressure Gauge *

5. Intra-tank Circulator *

14. Tank Purge Valve *

6. Relief Valve

15. Tank Pressure Gauge *

7. Isolation Shutoff Valve *
8. Tank Drain Valve

* Optional

9. Boiler Water Inlet

** Supplied by Others

(shown with dashed lines)

NOTE: Components, controls and connection locations may vary.

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Содержание QuickDraw

Страница 1: ...UIPMENT READ AND FOLLOW THE INFORMATION IN THIS MANUAL AND ALL OTHER PROVIDED INSTRUCTIONS LABELS AND MARKINGS BEFORE INSTALLING OPERATING OR SERVICING THIS UNIT TO THE INSTALLER After installation these instructions must be given to the equipment user or left near the appliance SPECIAL INSTRUCTIONS TO THE OWNER Retain this manual for future reference These instructions contain important informati...

Страница 2: ...ping 4 4 Filling the Unit 5 Operating and Safety Controls 5 1 Operating Temperature Control 5 2 Thermostat Settings for QuickDraw Semi Instantaneous Heaters only 5 3 High Water Temperature Limit Control 5 4 Electronic Low Water Cut Off optional 5 5 Sequence of Operation 6 Start up Procedure 7 Maintenance 7 1 Temperature and Pressure Relief Valve 7 2 Thermostats and Temperature Limiting Device 7 3 ...

Страница 3: ...ALLY HANDICAPPED HOMES FOR THE PHYSICALLY HANDICAPPED HOSPITALS AND NURSING HOMES ELDER CARE FACILITIES AND REST HOMES ORPHANAGES AND CHILD CARE FACILITIES OTHER INSTALLATIONS WHERE RESPONSE TO CONTACT WITH HOT WATER MAY BE SLOWER OR WHERE THE DANGER OF HOT WATER CONTACT IS GREATER Thermostatically controlled mixing valves must be used in the design of the potable hot water system Potable hot wate...

Страница 4: ...l Enclosure 11 Tank Temperature and Pressure Gauges 3 Potable Water Inlet 12 Boiler Water Temperature Gauge 4 Potable Water Outlet 13 Boiler Water Pressure Gauge 5 Intra tank Circulator 14 Tank Purge Valve 6 Relief Valve 7 Isolation Shutoff Valve Optional 8 Tank Drain Valve Supplied by Others 9 Boiler Water Inlet shown with dashed lines NOTE Components controls and connection locations may vary ...

Страница 5: ... Electronic Operating Control 3 Potable Water Inlet 12 Boiler Water Temperature Gauge 4 Potable Water Outlet 13 Boiler Water Pressure Gauge 5 Intra tank Circulator 14 Tank Purge Valve 6 Relief Valve 15 Tank Pressure Gauge 7 Isolation Shutoff Valve 8 Tank Drain Valve Optional 9 Boiler Water Inlet Supplied by Others shown with dashed lines NOTE Components controls and connection locations may vary ...

Страница 6: ...stem s circulating pump NOTE Use only copper wire of proper sizing for incoming service The warranty on this unit does not cover damage resulting from the use of aluminum wiring Utiliser du fil de cuivre de la taille appropriée pour le service électrique entrant Les dommages résultant de l utilisation de fil d aluminium seront exclus du champ d application de la garantie de cet appareil 3 4 Locati...

Страница 7: ...a combustible floor or on a non combustible floor covering combustible material A minimum clearance of 6 must be provided from any combustible material However the recommended clearance is 24 at the top and front 18 at left and right sides of the appliance Optional equipment may increase the clearance requirements Allow sufficient space for installing and servicing connections such as water electr...

Страница 8: ... appropriately sized and include a strainer isolation valves pressure gauges drain valve and over pressure protection where required The domestic water piping must also be appropriately sized and include isolation valves drain valve temperature and pressure relief valve and expansion tank or other means of expansion control Boiler water supply piping should be sized to deliver sufficient hot water...

Страница 9: ...lled in the discharge line It is strongly recommended that this valve should be manually operated at least once a year See Maintenance WARNING Do not install a reducing coupling valve or other restriction between the relief valve discharge and a suitable floor drain Such restriction could prevent the valve from fully relieving if the pressure settings are exceeded which could result in property da...

Страница 10: ...temperature control is located just above the front control panel cover This control utilizes a temperature sensing thermistor located in the control flange on top of the tank Follow the safety instructions and warnings included in this manual and with the product when adjusting the set point of the operating temperature control to deliver the desired water temperature The setpoint SET determines ...

Страница 11: ...s below the electrode position LED will not be lit Unless otherwise specified there is a three second time delay on decreasing level Water level must be below tank probe location for full three seconds before control de energizes 5 5 Sequence of Operation Refer to figure below 1 When power is supplied through the unit s On Off switch if the stored water temperature is below the operating thermosta...

Страница 12: ...ring the unit up to temperature WARNING Do not operate unit under conditions in excess of those specified on nameplate and ASME data plate Failure to operate the heat exchanger within the specified design pressure and temperature may result in damage to the heat exchanger property damage personal injury or loss of life 4 Open nearby hot water tap to maintain a flow of water through the tank when s...

Страница 13: ...es Some water supplies contain more of these minerals than others so scale buildup will occur more rapidly Other factors affecting the scale buildup are the amount of hot water used and the temperature of the water The more hot water used the more fresh water containing the scale forming minerals come into the tank As the temperature of the water increases the rate of scale deposited also increase...

Страница 14: ...e tube bundle into the unit place the ring tank gasket over the end of the tube bundle and bring forward to the backside of the tube sheet CAUTION When cleaning a tube bundle tubes should not be hammered on with any metallic tool and in case it is necessary to use scrapers care should be exercised that the scraper is not sharp enough to cut the metal of the tubes 4 The COLLAR assembly if equipped ...

Страница 15: ...bs Torque Increment Max Torque 1 2 40 5 60 5 8 80 5 120 3 4 120 5 200 7 8 200 10 320 1 300 10 490 1 1 8 450 10 710 1 1 4 600 10 1000 6 Tighten uniformly and in a diametrically staggered pattern alternating star pattern as illustrated below WARNING Follow the proper tightening sequence torque increments and maximum torque values Failure to follow these requirements can cause non repairable damage t...

Страница 16: ...ack on mounting bracket and remove cam from actuator shaft d Lift valve stem and plunger assembly to full upward position e Install the cam onto the actuator shaft with the cam lobe facing up f Reposition actuator and install the mounting screws g Apply power to actuator Should drive CW rotation and stem down h Install cover and screws i Install indicator with screw pointing toward open 3 Adjust V...

Страница 17: ...thermostats for proper operation c Check safety shut off valves for operation and tightness d Test high limit and operating temperature controls 2 Semi Annually a Recalibrate all indicating and recording gauges b Check piping and wiring of all interlocks and shutoff valves 3 Monthly Maintenance a Test low water cutoff device and alarm if equipped b Check gauges monitors and indicators c Check inst...

Страница 18: ... scaling or fouling on the water side g Cause Abnormal operating conditions Solution The water temperature has a significant effect on the efficiency of the heat exchanger Check if the setpoint is higher than specified Confirm the measured flow rate with meters or by volume and rate Check that there are no other loads on the heater Problem 3 No hot water even at low flow h Cause Control valve not ...

Страница 19: ...6 05 13 Since PVI cannot control the use of the appliance water conditions or maintenance the warranty on the heat exchanger does not cover poor performance structural failure or leaking due to an excessive accumulation of scale MODEL NUMBER SERIAL NUMBER INSTALLATION DATE ...

Страница 20: ...QuickDraw Storage and Semi instantaneous Boiler Water Heater 20 PV500 26 05 13 PVI Industries LLC 3209 Galvez Ave Fort Worth TX 76111 1 800 433 5654 www pvi com ...

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