Instruction/ maintenance manual of the product BCP-3 Weil-McLain
Go to page of 16
INST ALLA TION AND OPERA TION INSTRUCTIONS BCP-3 Hydronic Multi-Stage Boiler Control Blue (Output 2) White (Output 3) Y ellow (Output 1) Boiler SYS Pump DHW Pump SET SET SYSTEM = 147F TARGET = 150F Ou.
2 BCP-3 Installation and Operation Manual thermostat is satisfied. Another, is a Setback input that will switch the heating system to a lower set point determined by the Set Back setting. T ype of Radiation in Building Reset Ratio Offset Radiators (Steel & Cast Iron) 1.
3 BCP-3 Installation and Operation Manual Mounting the Controller • The BCP-3 is designed to mount on a 1900 (4”x4”) deep electrical box. • If additional room is needed for wiring use the extension skirt provided. • Place the BCP-3 in an indoor convenient location near the unit to be controlled and away from excessive heat or cold.
4 BCP-3 Installation and Operation Manual IMPORT ANT Determining the proper location for the Outdoor Sensor is very important. The BCP-3 will base the heat on the outdoor temperature information it receives from this location. If the sensor is in the sun, or covered with ice, its reading will be different from the actual outdoor temperature.
5 BCP-3 Installation and Operation Manual Output Mode T able Output Mode Description Output 1 (Y ellow Wires) Output 2 (Blue Wires) Output 3 (White Wires) Notes 1-On/Off+1-Pump One On/Off boiler and a.
6 BCP-3 Installation and Operation Manual T1 T2 COM COM T3+ T3- EXT+ EXT- P+ P- COM 24V AC System Sensor Outdoor Sensor Enable Dry Contact Setback Timer 120 V AC Wiring 1 Lo/Hi Boiler + System Pump Sy.
7 BCP-3 Installation and Operation Manual Weil McLain V1.00 (c) 2008 BCP-3 Boiler Control Loading Default Values... DISPLAY UNIT: F C SENSOR FAULT: Output On Output Off SETUP COMPLETE! PRESS SET Startup Menu SYSTEM= 68 F TARGET= 150 F ------MAIN------ Set Point 170 F <Out.
8 BCP-3 Installation and Operation Manual Button and Navigating Menus The BCP-3 has three buttons. • The SET button function varies. When the Default Screen is displayed, pressing the SET Button views the MENU. When in the Menus and settings, the SET Button accepts the selected entry or setting value.
9 BCP-3 Installation and Operation Manual Outdoor Reset Mode • When Output-On is selected, the BCP-3 will energize all boiler and system relays when the System reads SHORT or OPEN and Outdoor is below Outdoor Cutoff. Thus, all boilers will run on their limits.
10 BCP-3 Installation and Operation Manual • If required: Adjust the RESET RA TIO in cold weather . If the ambient building temperatures are too cold in cold weather , move the ratio to a higher selection. That is, if 1.00 (O):1.00 (S) was initially selected, change the selection to 1.
11 BCP-3 Installation and Operation Manual Minimum T arget (A vailable when Startup Control Mode = Outdoor Reset) Options: From 70 º F/21 ºC to 170 º F/77 ºC Default: 140 º F/60 ºC SET SET /Set Point/<Out. Reset>/Min. Tgt • The Minimum T arget T emperature must be set to the boiler manufacturer ’ s specification.
12 BCP-3 Installation and Operation Manual Minimum Runtime Options: 1 to 60 minutes Default: 2 minutes SET SET /<Settings>/<Stage>/Min. Runtime • This is the minimum amount of time any stage will run. • The Minimum Runtime for the lowest firing stage on a boiler starts after the purge cycle.
13 BCP-3 Installation and Operation Manual Domestic Hot W ater (DHW) Priority Options: NO and From 1 min to 120 min Default: NO SET SET /Settings>/DHW Prior . DHW Priority: 60m • The DHW Priority , with a value set to other than NO, provides the user with an adjustable DHW priority timer for the domestic hot water call.
14 BCP-3 Installation and Operation Manual T roubleshooting No Display or LED Lights Check the power to the BCP-3. The BCP-3 requires 120V AC power to the Black wires or 24V AC to the right-most terminals. T urn the power off and back on to restore the display .
15 BCP-3 Installation and Operation Manual Boiler1 DHW Indirect Building Heat System Sensor Outdoor Sensor T1 T2 COM COM T3+ T3- EXT+ EXT- P+ P- COM 24VAC } System Sensor } Outdoor Sensor } DHW Call D.
16 BCP-3 Installation and Operation Manual 500 Blaine Street Michigan City , Indiana 46360 219-879-6561 http://www .weil-mclain.com HT #059075-00 A Specifications V oltage Input: . . . . . . . 120 V AC 60 Hz(2 Black wires) /24V AC 60 Hz (24V Ac terminals) (Only One Power Source) Power Consumption: .
An important point after buying a device Weil-McLain BCP-3 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Weil-McLain BCP-3 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Weil-McLain BCP-3 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Weil-McLain BCP-3 you will learn all the available features of the product, as well as information on its operation. The information that you get Weil-McLain BCP-3 will certainly help you make a decision on the purchase.
If you already are a holder of Weil-McLain BCP-3, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Weil-McLain BCP-3.
However, one of the most important roles played by the user manual is to help in solving problems with Weil-McLain BCP-3. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Weil-McLain BCP-3 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
