Vanguard PM400 - Manuals

3 COMBUSTION AIR / VENTILATION The POWERMAX tm must be provided with an adequate supply of air for proper combustion and ventilation as required by the National Fuel Gas Code, ANSI Z 223.1 or any local codes that supercede the National Code. Do not obstruct the combustion and/or ventilation air supp...

4 2. Through the ceiling/roof (see fig.3) or through a sidewall (see fig. 4). Type B-1 vent pipe (inch min. diameter) may be used when venting vertically through the roof, provided a one inch minimum clearance to combustible material is maintained throughout and the vent terminates into a listed win...

5 any door, opening window or gravity air inlet into any building. It shall also have a minimum horizontal clearance of four feet from any electric meter, gas meter, regulator, relief valve or other equipment. -The vent terminal shall be located not less than seven feet above grade when it is adjace...

6 The gas valve is provided with a pressure tap to measure gas pressure downstream, which is also the manifold pressure (fig. 5.). The gas piping must have a sediment trap ahead of the heater gas controls and an approved manual shut-off valve (provided by others) located outside the jacket and easil...

7 Recommended water hardness is 4-6 grains of hardness per gallon. Chlorides must NOT exceed 50 parts per million. Water hardness above 6 grains per gallon should be treated with a proper water conditioner (water softener or in-line treatment). Water hardness below 4 grains per gallon also requires ...

9 ELECTRICAL The electrical power supply requirement for the booster heater is 120 volts, AC, 60Hz, 6.0 amps or less. Field wiring connections and electrical grounding must comply with local codes, or, in the absence of local codes, with the latest edition of the National Electric Code (NEC), ANSI/N...

12 OPERATING SEQUENCE The booster heater is designed to produce 180-190 degree sanitizing rinse water for commercial dishwashing machines. Specific performance depends upon the exact water flow and supply water temperature. (See table) PowerMax200 tm Performance Data Temperature rise Gallons per Min...

13 POWERMAX tm START-UP PROCEDURE For your safety, read completely before operating. CAUTION: DO NOT turn Power Switch ‘on’ until the booster has been filled with water and all air has been purged from the water lines and accumulator tank. FILL THE BOOSTER HEATER Open the water supply valve at the B...

14 FOR YOUR SAFETY, READ BEFORE OPERATING WARNING! - IF YOU DON’T FOLLOW THESE INSTRUCTIONS EXACTLY, A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. A. This appliance DOES NOT have a standing pilot ignition system. It is equipped with a hot surface ignition device t...

15 TO TURN OFF GAS TO APPLIANCE 1. Turn off all electric power to the booster heater if service is to be performed. 2. Turn off manual gas valve in gas supply piping. 3. Remove front access panel by lifting panel to release bottom, tilting panel away from unit and removing panel. 4. Push in and turn...

16 MAINTENANCE Lubrication The water pump motor and the combustion air blower are permanently lubricated and require no periodic maintenance. Auxiliary power vent motor (depending upon model) may or may not need periodic adjustment or lubrication. Consult power vent manual. Vent System Check the ven...

17 TROUBLE SHOOTING CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing. PROBLEM CAUSE REMEDY 3. On-Off switch powered, Unit does not operate. a. No power to heater. b. Manual reset...

21 Appendix A JOINT PROCEDURE (see illustration #1 below) 1. The outside of male end and inside of female end of pipe must be cleaned before applying silicone bead. Remove dirt, grease, and moisture from surface to be sealed. Dry surface or allow to dry thoroughly. 2. Apply high temperature silicone...

22 Appendix A SIDE WALL VENTING INSTALLATION SIDE WALL VENTING INSTALLATION (see illustration #2) 1. Install wall thimble into wall, observing the aforementioned rules and/or local building codes. Select the point of wall penetration where the minimum 114” per foot of slope (6.4 mm per 305 mm) can b...

23 Appendix A 3. The system must be supported along its horizontal length at all elbow locations and joints (every forty- eight inches or less) using straps around pipes maintaining clearance to combustibles as per table. Any horizontally installed portion of a venting system shall have a slope (upw...