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Chromalox CHPES-6A manual

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Table of contents for the manual

  • Page 1

    3 Phase Voltages* Output Quantity/Rating Elec at of Contactors No./kW Rating Cap. Vol. 212˚F Heating Model (BHP) (kW) (Gals.) (Lbs./Hr.) 208 240 480† Elements Type CHPES — 20-250 PSIG CHPES-6A 0.6 6 6 18 30 30 30 1-6 CHPES-9A 0.9 9 6 27 30 30 30 1-9 CHPES-12A 1.22 12 6 36.2 40 30 30 1-12 CHPES-18A 1.73 17 6 51.2 50 50 30 1-17 CHPES-24A 2.45 24[...]

  • Page 2

    MODEL CHPES-6A through CHPES-180A DIMENSIONS Pump Solenoid Connection Conduit Box Control Panel Standard When Three (3) or More Contactors are Used 7/16" Bolt Hole Typical Steam Outlet Sight Glass Element Element Access Door Operating Pressure Controls Control Circuit Fuse Control Circuit On/Off Switch with Pilot Light 5/8" 7/16" Bol[...]

  • Page 3

    T ypical Plumbing Installation of a Steam Boiler with Condensate Return System Type CHPES — Dimensions (In.) DIMENSIONS INST ALLA TION Model A B* C D E F G H I J K L CHPES-6A 37 22-1/2 30 15-1/4 20 30-1/2 9-1/2 16 1/2 1 1/2 1/2 CHPES-9A 37 22-1/2 30 15-1/4 20 30-1/2 9-1/2 16 1/2 1 1/2 1/2 CHPES-12A 37 22-1/2 30 15-1/4 20 30-1/2 9-1/2 16 1/2 1 1/2[...]

  • Page 4

    Diagram 1 3 Phase Voltage 3 Phase Voltage 3 Phase Voltage Boiler 208 240 480 Boiler 208 240 480 Boiler 208 240 480 WIRING TYPICAL WIRING DIAGRAMS WARNING: Hazard of Shock. Disconnect all power before working on boiler. Boilers must be effectively grounded in accordance with the National Electrical Code to eliminate shock hazard. WARNING: Use 90˚co[...]

  • Page 5

    Diagram 2 TYPICAL WIRING DIAGRAMS 2PS BR Heater Contactors Feed Water Boiler On 3 GND B FU12 B 1PB Off 2 GND 1 GND 1 HTR C1 FU1 FU2 FU3 FU11 FU10 H1 H2 X1 X3 L3 1L1 1L3 1L2 L2 L1 X2 X4 Optional T ransformer 1 1 C1 2 2 C2 R 1L T Y On IFS O 1PS O O W Feed Water Electrical Connection 2 1 2TB 2 GND 1 HTR FU12 1PB Cabinet Exterior Left Side Cabinet Exte[...]

  • Page 6

    Diagram 4 TYPICAL WIRING DIAGRAMS 2PS BR Heater Contactor Feed Water Boiler On 3 GND B FU15 B 1PB Off 2 GND 1 GND 1 HTR C1 FU1 FU2 FU3 FU14 FU13 H1 H2 X1 X3 L3 1L1 1L3 1L2 L2 L1 X2 X4 Optional T ransformer 1 1 C1 2 2 C2 R 1L T Y On IFS O 1PS O O W Feed Water Electrical Connection 2 1 2TB 2 GND 1 GND 2 GND 1 HTR FU15 1PB Cabinet Exterior Left Side C[...]

  • Page 7

    Diagram 6 TYPICAL WIRING DIAGRAMS 2PS BR Heater Contactors Feed Water Boiler On 3 GND B FU18 B 1PB Off 2 GND 1 GND 1 HTR C1 FU1 FU2 FU3 FU17 FU16 H1 X1 X3 L3 1L1 1L3 1L2 L2 L1 X2 X4 Optional T ransformer 1 1 C1 2 2 C2 R 1L T Y On IFS O 1PS O O W Feed Water Electrical Connection 2 1 2TB 1 GND 2 GND 1 HTR FU18 1PB Cabinet Exterior Left Side Cabinet E[...]

  • Page 8

    Diagram 8 TYPICAL WIRING DIAGRAMS FU 1 2 3 FU 4 5 6 FU 7 8 9 C1 C3 C2 C4 FU 10 11 12 C5 FU 13 14 15 C6 FU 16 17 18 5 HTR 4 HTR 3 HTR 6 HTR 2 HTR 1 HTR 1 2 2TB 1TB 3 GND 2 GND 1 GND FU24 1PB 3 GND C2 C6 C5 C4 C3 2PS 3PS 1PS On Off FU24 IFS O O O Y BR B B 1PB 1 1 2 2 W R Boiler On Feed Water Heater Contactor Heater Contactor Heater Contactor Heater C[...]

  • Page 9

    Diagram 10 TYPICAL WIRING DIAGRAMS 13 14 15 16 17 18 19 20 21 C5 C7 C6 C1 1 2 3 C2 4 5 6 C3 7 8 9 5 HTR 4 HTR 3 HTR 6 HTR 2 HTR 1 HTR 1 2 2TB 1TB 3 GND 2 GND 1 GND FU30 1PB 3 GND C1 C2 C6 C3 2PS 3PS 1PS On Off FU30 IFS O O O Y BR B B 1PB 1 1 2 2 W R Boiler On Feed Water Heater Contactor 1L T Optional T ransformer X1 X4 X2 X3 FU28 FU29 2 HTR 3 HTR 1[...]

  • Page 10

    Diagram 12 TYPICAL WIRING DIAGRAMS FU 13 14 15 FU 16 17 18 FU 19 20 21 C5 C7 C6 C1 1 2 3 C2 4 5 6 C3 7 8 9 5 HTR 4 HTR 3 HTR 6 HTR 2 HTR 1 HTR 1 2 2TB 1TB 3 GND 2 GND 1 GND FU27 1PB 3 GND C1 C2 C5 C3 2PS 3PS 1PS On Off FU27 IFS O O O Y BR B B 1PB 1 1 2 2 W R Boiler On Feed Water Heater Contactor 1L T Optional T ransformer X1 X4 X2 X3 FU25 FU26 2 HT[...]

  • Page 11

    After proper wiring and piping of boiler system is complete, testing of controls can start. Before testing controls, it is recommended that all contactor fusing be removed. This is to prevent possible element failure under test conditions. A. OPERATING AND TESTING THE McDONNELL & MILLER LOW WATER CUTOFF CONTROL. 1. Be sure all valves from incom[...]

  • Page 12

    B. ADJUSTING OPERATING PRESSURE CONTROLS 1. Chromalox boilers are supplied with operating and high limit pres- sure controls. One is used for controlling the operating pressure of the boiler while the other is used as a high limit control. To deter- mine the difference in the controls, the high limit has a manual reset lever on top of the case. Als[...]

  • Page 13

    OPERA TION AUTOMATIC BLOWDOWN INSTRUCTIONS (IF FURNISHED) The Automatic Blowdown is a device which automatically starts up your boiler in the morning; shuts it down at night and blows down (partially drains) the main boiler drain and the low water cut-off col- umn for a predetermined time interval each working day. The heart of the unit is an elect[...]

  • Page 14

    OPTIONAL EQUIPMENT FOR STEAM BOILERS AUXILIARY LOW WATER CUTOFF Operation Operation of this control is accomplished by sensing a minute AC current flowing between submerged contact probe in the boiler shell. When this minute AC current is conducted through an external cir- cuit resistance up to 40,000 ohms or less, a signal of sufficient magni- tud[...]

  • Page 15

    OPTIONAL EQUIPMENT FOR STEAM BOILERS IF A CONTROLLER SEEMS TO OPERATE IMPROPERLY If the controller is suspected of operating improperly, it may be further checked as follows: 1. Leave the controller installed where it is, but disconnect all power to the boiler. 2. Loosen the cover screw below the main scaleplate and remove the cover. 3. Disconnect [...]

  • Page 16

    HIGH PRESSURE FEED High pressure makeup water pumps are used when water pressure does not exceed boiler pressure by more than 10 psi and when con- densate water is not returned to the boiler. Note: Consult factory or sales office for motor/pump sizing for appropriate water feed system. Installation WARNING: Hazard of Electric Shock. Water feed syst[...]

  • Page 17

    30 Gal. Condensate Return System W A TER FEED SYSTEMS CONDENSATE RETURN SYSTEMS Chromalox condensate return systems are used wherever condensed steam can be collected for reuse in the boiler. Significant energy can be saved by returning condensate to the boiler. The condensed water is free from corroding minerals and carries a substantial amount of[...]

  • Page 18

    18 MAINTENANCE RENEW AL P ARTS IDENTIFICA TION Drain Blowdown Valve Drain Blowdown Valve Water Level Sight Glass On/Off Switch and Pilot Light Steam Outlet Operating Pressure Control Range 10-300 Psi Safety Valve Manual Reset High Limit Control Pressure Gauge, 0-600 Psi McDonnell & Miller #194 Low Water Cutoff/Pump Check Valve/Water Inlet (not [...]

  • Page 19

    Part Description Part Number 1/4” Ball Valve (Pressure Gauge) . . . . . . . . . . . . . . . . . . . . . . . . 344-121194-007 Blowdown Valve 1” CHPES-24A through 180A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 344-121194-042 Pressure Gauge 3-1/2” 0-600 psi CHPES-100A through 180A . . . . . . . . . . . . . . . . .[...]

  • Page 20

    2150 N. RULON WHITE BLVD., OGDEN, UT 84404 Phone: 1-800-368-2493 www.chromalox.com Limited Warranty: Please refer to the Chromalox limited warranty applicable to this product at http://www.chromalox.com/customer-service/policies/termsofsale.aspx.[...]