Tjernlund DCOP1 Constant Operating Pressure Draft Control 85 User Manual

Copyright © 2011, Tjernlund Products, Inc. All rights reserved P/N 8504174OWNER INSTRUCTIONS, DO NOT DESTROYRecognize this symbol as an indication of

9UC1 UNIVERSAL CONTROL CONNECTED WITH A SINGLE ZONE 24 VAC THERMOSTAT115VDRYWJ2 J1XLRED JUMPER POSITION MUST BE THE SAMEAS APPLIANCE INTERLOCK VOLTAGE

10UC1 UNIVERSAL CONTROL AND WHKE INTERLOCK KIT CONNECTED WITH A MILLIVOLT APPLIANCE SWITCH ARE INCLUDED WITH WHKE KIT.950-0470 JUNCTION ADAPTER AND GA

11UC1 UNIVERSAL CONTROL CONNECTED TO A HONEYWELL R7184 SERIES OR EQUIVALENTPRIMARY CONTROL WITH A LINE VOLTAGE THERMOSTAT OR AQUASTAT JumperLow Voltag

12UC1 UNIVERSAL CONTROL CONNECTED TO AN OIL-FIRED FURNACE WITH A HONEYWELL T87 OR EQUIVALENT NON-POWERED THERMOSTAT RXL XNJ1HONEYWELL T87 OR EQUIVALEN

13UC1 UNIVERSAL CONTROL CONNECTED WITH A HONEYWELL R8184 SERIES OR EQUIVALENT PRIMARY CONTROL AND A BURNER MOTOR POST-PURGE L2 OR B2CONNECT TOCONNECT

14HOW THE DRAFT COP WORKSWhen an intercepted call for heat contact closure or voltage is sensed at the UC1 interlock terminal strip the COP control is

154. Verify that slot on set point adjustment pot for the COP controller is aligned with the "20" hash mark, (See Diagram F).5. Disconnect t

16ADJUSTMENT OF DRAFT SET POINT, BALANCING BAFFLE(S) AND BAROMETRIC DRAFT CONTROL(S)Sample Draft at heater manufacturer’s recommended point. If not sp

17IMPORTANT: If the call for heat interlock signal or 115 VAC power is removed, the UC1 board will reset and any fault, if present,will be stored in m

18If faults exist check PSA-1 Prover P1 & P2 safety circuit. PSA-1 Fan Prover setpoint, DCOP1 draft setpoint or balancing of systemmay be require

1TABLE OF CONTENTSPage (s)Description and General Information...

19Tjernlund Products, Inc. will issue credit or provide a free part to replace one that becomes defective during the one year warrantyperiod. Proof o

2Failure to install, maintain and/or operate the DCOP1 in accordance with manufacturer's instructions may result in conditions which can produce

UC1 LED STATUS & FAULT INDICATORSNDICATORSLED INDICATOR LIGHTS LED #1 (Amber) Appliance call for heat.LED #2 (Blue) Safety circuit through P1 &a

4DCOP1 INSTALLATIONDo not mount the DCOP1 junction box on a heat source that exceeds 140OF (60OC). Examples of improper mounting surfacesinclude vent

5SIZING A COMMON MANIFOLD SERVING MULTIPLE HEATERSThe most important step towards assuring that individual heaters vented into a common manifold draft

6The DCOP1 must be installed by a qualified installer (anindividual properly licensed and/or trained) in accordancewith all local codes or, in their a

7UC1 UNIVERSAL CONTROL WIRINGAll wiring from the UC1 to the appliance(s) must be appropriate Class 1 wiring as follows: installed in rigid metal condu

8MULTIPLE APPLIANCE INTERLOCKSTo interlock with one additional 24/115 VAC heater add the MAC1E. It is a stripped down auxiliary board version of the