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®
Chromalox
SERVICE REFERENCE
Installation, Operation
DIVISION 4 SECTION CHPES
and
SALES
REFERENCE (Supersedes PQ436) PQ436-1
RENEWAL PARTS IDENTIFICATION
161-562802-002
DATE MAY, 1999
Type CHPES-6A through CHPES-180A
High Pressure Electric Steam Boiler
Standard Trim is 250 PSI — 0-225 PSI Operating Pressure Range
Boiler Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Power Circuit Voltage . . . . . . . . . . . . . . . . . . .
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DIMENSIONS MODEL CHPES-6A through CHPES-180A Check Valve Drain Blowdown Valve Operating Pressure Controls Manual Reset High Limit Control Steam Outlet Control Safety Valve Outlet Circuit Fuse Control Circuit On/Off Switch with Pilot Light Pump Solenoid Connection Sight Glass Conduit Box McDonnell & Miller Low Water Cutoff Pump Control Element Access Door Control Panel Standard When Three (3) or More Contactors Element are Used 5/8" Drain 1-1/4" Blowdown Valve 7/16" Bolt Hole Typical 7/16" Bolt H
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DIMENSIONS Type CHPES — Dimensions (In.) Type CHPES — Dimensions (In.) Model A B* C D E F G H I J K L 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-48A 43-1/2 26 46 17-1/2 23 34-1/2 16-1/2 24-1/2 1 1 1 3/4 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-60A 43-1/2 26 46 17-1/2 23 34-1/2 16-1/2 24-1/2 1 1 1 3/4 CHPES-72A 43-1/2 26 46 17-1/2 23 34-1/2 16-1/2 24-1/2 1 1 1 3/4 CHPES-12A 37 22-1/2 30 15-1/4 20 30-1/2 9-1/2 16 1/
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WIRING damage. Industrial type lightning protectors should be installed per WARNING: Hazard of Shock. Disconnect all power manufacturer’s recommendations at your service entrance. Check before working on boiler. Boilers must be effectively your contractor or electrical dealer for recommended type for your grounded in accordance with the National Electrical system. Code to eliminate shock hazard. 5. Be sure all electrical connections are sufficiently tightened. WARNING: Use 90˚copper conductors o
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TYPICAL WIRING DIAGRAMS Diagram 2 L1 L2 L3 1 GND C1 1 HTR FU1 1L1 1L2 FU2 2 GND FU3 1L3 C2 2 HTR 2L1 FU4 2L2 FU5 FU6 2L3 CR 10L IT1 3L1 FU7 Feed Water Motor 20L IT2 3L2 FU8 1 Mtr 30L IT3 3L3 FU9 Customer Connect FU11 FU10 H1 H3 H2 H4 FU12 1TB 1PB Optional Transformer X1 X2 X4 X3 3 2 Feed Water 1 2 GND GND Electrical C1 C2 2 1 Connection FU FU B W 1 2 3 4 5 6 FU12 1LT 1PB On BR B R Boiler On Off IFS Y CR Feed Water 1PS 2PS O O O C1 Heater 1 2 HTR HTR Contactors C2 Wire Color Code Cabinet Exterio
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TYPICAL WIRING DIAGRAMS Diagram 4 1 L1 L2 L3 GND C1 C3 3 HTR 1 HTR 1L1 FU1 FU7 3L1 1L2 FU2 FU8 3L2 2 GND FU3 1L3 FU9 1L3 C2 2 HTR FU4 2L1 2L2 FU5 FU6 2L3 CR 10L IT1 4L1 Feed Water FU10 Motor 20L IT2 4L2 FU11 1 Mtr IT3 30L 4L3 FU12 Customer Connect FU13 FU14 2 GND H3 H2 H1 H4 Optional Transformer 1PB X1 X2 X4 X3 FU15 1TB 3 1 2 Feed Water GND 2 Electrical 1 2 GND B Connection W FU15 1LT 1 GND 1PB On BR B R Boiler On Off IFS C1 C2 C3 Y CR Feed Water 3 Htr 1PS 2PS FU FU FU O O O Heater C1 1 2 3 4
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TYPICAL WIRING DIAGRAMS Diagram 6 1 L1 L2 L3 GND C1 C3 3 HTR 1 HTR 1L1 FU1 FU7 3L1 FU2 1L2 FU8 3L2 2 GND 1L3 FU3 FU9 1L3 C4 C2 4 HTR 2 HTR 2L1 FU4 FU10 4L1 FU5 FU11 2L2 4L2 2L3 FU6 FU12 4L3 CR IT1 10L 5L1 FU13 Feed Water Motor 20L IT2 FU14 5L2 1 Mtr 30L IT3 5L3 FU15 Customer Connect FU16 FU17 H1 H2 1PB Optional Transformer FU18 X1 X3 X2 X4 Feed Water 1TB 3 1 2 Electrical GND Connection 2 1 2 GND B W FU18 1LT 1 GND 1PB On BR B R Boiler On Off IFS C1 C2 C3 C4 Y CR 3 Feed Water 4 Htr FU FU Htr FU F
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TYPICAL WIRING DIAGRAMS Diagram 8 L1 L2 L3 1 GND C1 1 HTR C5 5 HTR 1L1 5L1 FU1 FU13 2 1L2 FU2 FU14 5L2 GND 1L3 FU3 FU15 5L3 2 HTR C2 C6 2L1 6 HTR FU4 FU16 6L1 2L2 FU17 6L2 FU5 6L3 2L3 FU6 FU18 C3 3 HTR 3L1 FU7 3L2 FU8 3L3 FU9 CR 4 HTR C4 IT1 4L1 7L1 Feed Water FU10 FU19 10L Motor 7L2 FU20 1 4L2 FU11 20L IT2 Mtr IT3 4L3 FU12 7L3 FU21 30L FU22 FU23 Customer Feed Water Electrical Connect 1PB 1TB Connection FU24 Optional Transformer X1 X4 3 X3 X2 1 2 3 GND C1 C3 C2 GND 2 1 2 GND FU FU FU B W 1 2 3
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TYPICAL WIRING DIAGRAMS L1 L2 L3 1 GND Diagram 10 C1 C5 1 HTR 5 HTR 1L1 FU1 5L1 FU13 2 1L2 FU2 FU14 5L2 GND 1L3 FU3 FU15 5L3 2 HTR C2 C6 2L1 FU4 FU16 6 HTR 6L1 2L2 FU5 FU17 6L2 FU6 6L3 2L3 FU18 C3 C7 7 HTR 3 HTR 3L1 7L1 FU7 FU13 7L2 3L2 FU8 FU20 5L3 3L3 FU9 FU21 4 HTR C4 C8 4L1 FU10 FU22 6 HTR 8L1 4L2 FU11 FU23 8L2 FU24 8L3 4L3 FU12 CR IT1 9L1 FU25 Feed Water 10L Motor 9L2 FU26 20L IT2 1 Mtr 9L3 FU27 30L IT3 Customer FU28 FU29 Connect Feed Water Electrical H1 H3 H2 H4 1PB 1TB Connection FU30 Opt
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TYPICAL WIRING DIAGRAMS Diagram 12 L1 L2 L3 1 GND C1 C5 1 HTR 5 HTR 1L1 FU1 FU13 5L1 2 1L2 FU2 5L2 FU14 GND 1L3 FU3 5L3 FU15 C2 C6 2 HTR 2L1 FU4 FU16 6L1 6 HTR 2L2 FU5 FU17 6L2 2L3 FU6 FU18 6L3 3 HTR C3 C7 7 HTR 3L1 FU7 FU19 7L1 3L2 FU8 7L2 FU20 3L3 FU9 5L3 FU21 CR 4 HTR C4 4L1 FU10 8L1 IT1 Feed Water FU22 10L Motor 4L2 FU11 8L2 FU23 1 20L IT2 Mtr 4L3 FU12 8L3 FU24 30L IT3 Customer Feed Water FU25 FU26 Connect Electrical 1PB H3 H2 1TB Connection H1 H4 FU27 Optional Transformer X1 X3 X2 X4 3 GND
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TYPICAL WIRING DIAGRAMS Diagram 14 346V 3Ø 50 HZ L1 L2 1 L3 GND C1 1 HTR C3 1L1 3 HTR FU1 FU7 3L1 2 1L2 FU2 FU8 3L2 GND 1L3 FU3 FU9 3L3 C2 C4 4 HTR 2 HTR 2L1 4L1 FU4 FU10 2L2 FU5 FU11 4L2 2L3 FU6 FU12 4L3 Feed Water CR 5L1 IT1 Feed Water Electrical FU13 10L 3 1PB Motor Connection 5L2 FU14 1 GND FU16 20L IT2 1TB Mtr IT3 5L3 FU15 30L 1CR C1 C2 Customer C3 C4 2 Connect GND 1 FU FU FU FU GND 10 1 2 3 4 5 6 7 8 9 11 12 220 VAC Single Phase Control Circuit 3 GND 3 4 1 2 HTR HTR B W FU16 1PB
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OPERATION B. ADJUSTING OPERATING PRESSURE CONTROLS allow pressure to build up. When pressure gauge reading approaches 1. Chromalox boilers are supplied with operating and high limit pres- set point of pressure control, the switch will trip and shut off boiler. sure controls. One is used for controlling the operating pressure of Turn off boiler. the boiler while the other is used as a high limit control. To deter- To reset pressure control, bleed off enough pressure in the boiler by mine the diff
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OPERATION AUTOMATIC BLOWDOWN INSTRUCTIONS OPERATION— Set the “BOILER PROGRAMMEDDUTY” (IF FURNISHED) switch to “BOILER ON” if the boiler is to be shut down each night. The Automatic Blowdown is a device which automatically starts Set it to “24-HOUR DUTY” if the boiler is to remain on continuous- up your boiler in the morning; shuts it down at night and blows down ly 24-hours per day (except during blowdown). (partially drains) the main boiler drain and the low water cut-off col- Set the tabs on
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OPTIONAL EQUIPMENT FOR STEAM BOILERS AUXILIARY LOW WATER CUTOFF the motor runs, the wiper on the feedback potentiometer moves in a Operation direction to balance the circuit. When the circuit is again in balance, the Operation of this control is accomplished by sensing a minute AC balancing relay contacts open and the motor stops. current flowing between submerged contact probe in the boiler shell. Similarly if the pressure of the controlled medium falls, the wiper on When this minute AC current
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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 the wires from the controller. 4. Connect an ohmmeter between controller terminals B and W to measure the resistance of the potentiometer in the contr
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OPTIONAL EQUIPMENT FOR STEAM BOILERS 480V 3Ø 60 HZ L1 L2 L3 CR Feed Water 10L IT1 Motor 20L IT2 1 Mtr Optional Transformer 30L IT3 Customer Connect W Boiler On Auto Blowdown System Feed Water CR Sequencer Solenoid Valve Wire Color Code B = Black BR = Brown Pressure Heater Contactor R = Red Control O = Orange Heater Contactor Y = Yellow 480/120V Heater Contactor G = Green BL = Blue 5 Step Heater Contactor W = White Control Typical wiring for boilers equipped with Auto Blowdown System and/or Solid
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WATER FEED SYSTEMS CONDENSATE RETURN SYSTEMS B. The motor circuit should be wired into the pump control located on Chromalox condensate return systems are used wherever condensed the boiler. See boiler instruction sheet for wiring diagram. steam can be collected for reuse in the boiler. Significant energy can be C. All electrical wiring should be done by licensed electrician. saved by returning condensate to the boiler. The condensed water is free D. Be sure to use the proper wire. Electrical wi
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MAINTENANCE READ COMPLETELY BEFORE STARTING WORK 7. When all (6) flange bolts are tight, connect all wires to terminals. Make certain wires are clean and bright to assure good electrical 1. Disconnect boiler from electric power supply at main safety contact and nuts on screws are firmly secured. switch or fuse panel. Then, turn boiler switch to “off” position. WARNING: Avoid use of chemical cleaning com- 2. On automatic feed units, close valve on incoming water line. Drain pounds. Follow mainten
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RENEWAL PARTS IDENTIFICATION Part Description Part Number Part Description Part Number PRESSURE CONTROLS & SEQUENCES VALVES & GAUGES 1/4” Ball Valve (Pressure Gauge) . . . . . . . . . . . . . . . . . . . . . . . . 344-121194-007 Operating Pressure Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . 429-300038-009 Blowdown Valve 1” CHPES-24A Hi-Limit Control (Manual Reset) 15 psi . . . . . . . . . . . . . . . . . . . 429-300038-008 through 180A . . . . . . . . . . . . . . . . . . . .
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Limited Warranty: Please refer to the Chromalox limited warranty applicable to this product at http://www.chromalox.com/customer-service/policies/termsofsale.aspx. 2150 N. RULON WHITE BLVD., OGDEN, UT 84404 Phone: 1-800-368-2493 www.chromalox.com
