Tjernlund 950-8804UC1 User Manual

TJERNLUND PRODUCTS, INC.

1601 Ninth Street • White Bear Lake, MN 55110-6794 PHONE (800) 255-4208 • (651) 426-2993 • FAX (651) 426-9547 Visit our web site • www.tjernlund.com

950-8804 UNIVERSAL CONTROL LED STATUS AND FAULTS ADDENDUM (VERSION X.04)

IMPORTANT: The fault code indicators and LED sequencing have been changed with this software version of UC1 board. The

Pre-Purge settings, LED Status & Fault Indicators and Troubleshooting sections of your old instruction manual may not apply. For Sideshot Series models SS1, SS1C & SS2 or HS-Series models HSJ,1,2,3,4,5 you can download updated instruction manuals from our web site for your models which include the X.04 version updates. NOTE: Adhere appropriate included label over

existing label in UC1 or SideShot electrical box. Also adhere “Checking Memory for Last Fault Code” sticker on inside of UC1 or SideShot SS1 Series electrical box. On SS2 Series adhere to underside of electrical box.

IMPORTANT: Note Dip Switch settings on existing UC1 circuit board so that

those same settings can be positioned on this replacement circuit board.

LED INDICATOR LIGHTS

LED 1 (Amber) Appliance call for heat. LED 2 (Green) Safety circuit through P1 & P2 (Venter Fan Prover) is verified “Open” upon start-up. Indicates Venter

prover is closed during run cycle. Burner circuit is energized with contact closure from terminal 3 to 4. LED 3 (Green) Power switched to Venter motor from L to MTR & M. LED 4 (Red) Status / Fault indicator. LED 5 (Red) 115 VAC power supplied to board. Also used as a status indicator.

LED STATUS INDICATORS

LED 5 (Red) Steady On 115 VAC power to UC1 circuit board LED 4 & 5 (Red) Flashing Alternately Pre-purge operation (Pre-Purge options 0, 5, 20, 35 seconds) LED 4 & 5 (Red) Flashing in Unison Post-Purge operation (Post-Purge options 0, 30 seconds or 1, 2, 4, 8, 16 minutes) LED 4 Flashes Continuously* Fan Prover opened for more than 10 seconds during burner cycle.

(Venter will run for 10 minutes, attempting to make Fan Prover)

LED FAULT INDICATORS

Fault conditions are indicated by counting the number of times LED 4 flashes. LED 4 Flashes 2 Times Fan Prover was in electrically closed position prior to venter operation. LED 4 Flashes 3 Times* Fan Prover does not close within 60 seconds after call for heat. LED 4 Flashes 4 Times* Fan Prover did not re-close after 10 minutes of Venter operation. LED 4 Flashes 5 Times* Fan Prover opened for more than 10 seconds during burner cycle but closed within 10 minutes.

* Investigate cause of Fan Prover short cycling such as; Firing burner at capacities or temperatures exceeding Venter limits,

excessive vent pipe runs, elbows directly on venter discharge, high winds, plugged / kinked Fan Prover sensing tube or a faulty Fan Prover switch. In-Forcer model’s intake screen and prefilter, if applicable, should be cleaned if necessary.

IMPORTANT: Fault codes will automatically be displayed after the given fault condition occurs. If the call for heat interlock signal or 115 VAC power is removed, the UC1 circuit board will reset and the fault will not be automatically displayed. The fault code will be stored in memory. Any new fault will replace any previous fault.

CHECKING MEMORY FOR LAST FAULT CODE IMPORTANT: Prior to accessing the fault code memory, note the settings of the dip switches so that they can be returned to

their original Pre / Post-Purge positions. When power is supplied to the UC1 use caution when moving dip switches. The last fault code can be retrieved at any time by setting all dip switches 1-8 to the up, or “on” position. The last fault code, or

lack there of, will be indicated by counting the number of times LED 4 flashes. By moving any of the dip switches back to their original position, the fault code will be cleared. NOTE: The UC1 board must have its 115 VAC power supply present when any of the (1-8) dip switches are moved back to their original position for the fault code to clear.

REV. B 05/03

TJERNLUND PRODUCTS, INC.

1601 Ninth Street • White Bear Lake, MN 55110-6794 PHONE (800) 255-4208 • (651) 426-2993 • FAX (651) 426-9547 Visit our web site • www.tjernlund.com

VERSION

X.04

MODEL UC1

INSTALLATION INSTRUCTIONS

Recognize this symbol as an indication of important Safety Information!

!

OWNER INSTRUCTIONS, DO NOT DESTROY

THESE INSTRUCTIONS ARE INTENDED AS AN AID TO QUALIFIED, LICENSED SERVICE PERSONNEL FOR PROPER INSTALLATION, ADJUSTMENT AND OPERATION OF THIS PRODUCT. READ THESE INSTRUCTIONS THOROUGHLY BEFORE ATTEMPTING INSTALLATION OR OPERATION. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN IMPROPER INSTALLATION, ADJUSTMENT, SERVICE OR MAINTENANCE POSSIBLY RESULTING IN FIRE, ELECTRICAL SHOCK, CARBON MONOXIDE POISONING, EXPLOSION, OR PERSONAL INJURY OR PROPERTY DAMAGE.

DO NOT DESTROY. PLEASE READ CAREFULLY AND

KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.

Tjernlund Products welcomes your comments and questions. Address all correspondence to:

Customer Service • Tjernlund Products, Inc. • 1601 Ninth Street • White Bear Lake, MN 55110-6794 Call us toll free at 800-255-4208, visit our web site @ www.tjernlund.com or email us at fanmail@tjfans.com.

TABLE OF CONTENTS

Page (s)

Description and General Information...............................................................................................................................1

Installation Restrictions and Cautions ........................................................................................................................1, 2

UC1 Universal Control Board Features ..........................................................................................................................2

LED Status / Fault Indicators and Fault Retrieval from Memory .................................................................................2, 3

Pre / Post-Purge & Prover Status Check Settings.......................................................................................................3, 4

UC1 Installation ..............................................................................................................................................................4

Electrical Wiring

Specificatons, Warnings, Sequence of Operation & Internal Schematic .....................................................4, 5

Venter Ground, Motor and Prover Safety Circuit Connections ........................................................................6

Multiple and Milivolt Appliance interlocks .........................................................................................................6

Wiring to Gas Fired Appliance .................................................................................................................6, 7, 8

Wiring to Oil Fired Equipment ..............................................................................................................9, 10, 11

UC1 Operation and Draft Check .............................................................................................................................11, 12

Troubleshooting Electrical Problems.................................................................................................................12, 13, 14

Warranty & Replacement Parts.....................................................................................................................................14

DESCRIPTION

The UC1 is the new standard interlock control for Tjernlund's full line of Power Venters, Draft Inducers and Combustion Air In-Forcers. It can be interlocked with virtually any burner control circuit. Features include: adjustable pre & post purge, LED status / diagnostic indicators, 10 second prover switch delay to avoid burner start up and wind induced short cycling. Interlocks with any 24-115 VAC burner control circuit and also includes “dry” contact actuation option. After each burner cycle the UC1 will continue to operate in post-purge mode to allow the venter to purge the heater and vent of residual flue gases. A factory post-purge time is set at 2 minutes and is adjustable up to 16 minutes, see “Pre / Post Purge and Prover Status Check Dip Switch Settings” on page 3.

GENERAL INFORMATION

Each UC1 is electrically factory line tested before shipment. After opening carton, inspect thoroughly for hidden damage. If any damage is found notify freight carrier and your distributor

immediately and file a concealed damage claim.

Throughout the rest of this installation manual Venter will be synonymous with Power Venter, Draft Inducer or In-Forcer.

INSTALLATION RESTRICTIONS

1. The UC1 Prover Status Check is activated from the factory. When activated the UC1 Universal Control checks across the

P1 & P2 safety circuit Fan Prover to verify that the Fan Prover switch is “Open” upon a call for heat and not stuck “Closed”. See “P1 & P2 Fan Prover Safety Circuit “Open” Upon Appliance Call”, page 4 for details.

2. A Venter post-purge on the UC1 has been factory set at 2 minutes. Confirm that dip switch #5 is in the up or "on" position. Oil

fired equipment requires that the post-purge be long enough to eliminate post cycle nozzle drip odor. A longer post-purge may be necessary for longer vent runs or high heat retention, refractory lined combustion chambers. A shorter post-purge may be desired for gas installations. If using the UC1 to control our combustion air In-Forcers a post-purge may not be desired. See “Pre / Post Purge and Prover Status Check Dip Switch Settings”, page 3 for details.

3. The UC1 is intended for indoor installation only. Do not mount the UC1 on a heat source that exceeds 140oF (60oC).

Examples of improper mounting surfaces include vent pipe, top of heater casing or any place where radiant or convective heat would cause the junction box temperature to exceed 140oF (60oC).

CAUTIONS

The UC1 must be installed by a qualified installer (an individual properly licensed and/or trained) in accordance with all local codes or, in their absence, in accordance with the appropriate National Fire Protection Association #31, #54, #211 and the National Electrical Code.

Failure to install, maintain and/or operate the UC1 in accordance with manufacturer's instructions may result in conditions which can produce bodily injury and property damage.

1. The installer must verify that the BTU/hr. input of the appliance does not exceed the recommended input of the any Venter

being controlled by the UC1. Refer to the Venter, Inducer or In-Forcer installation instructions for capacities.

2. Disconnect power supply from the UC1 and heating equipment when making wiring connections and servicing the UC1.

Failure to do so may result in personal injury and/or equipment damage. LED #5 (RED) should be off with power removed.

1

3.

All installation restrictions and instructions in the Venter, Inducer or In-Forcer installation instructions must be adhered to when

using the UC1.

4. Make certain power source is adequate for the UC1 and Venter requirements. Do not add equipment to a circuit when the total electrical load is unknown.

UC1 UNIVERSAL CONTROL BOARD FEATURES

P1 - P2 SAFETY CIRCUIT TERMINALS

1 mA @ 5VDC.

SEE WARNING # 1.

DIP SWITCH SETTINGS

Pre-Purge (1-2) Post-Purge (3-8) Prover status check (9) See “Pre / Post Purge & Prover Status Check Dip Switch Settings”.

LED STATUS LIGHTS

See “LED Status & Fault Indicator Section” for details.

APPLIANCE CALL VOLTAGE SELECTION

IMPORTANT

Place RED voltage jumper in proper location based on appliance call interlock voltage. SEE WARNING # 2.

J1- J2 CALL JUMPER

Used when the call signal is used as the “proven” return signal to the appliance. See wiring section for details.

APPLIANCE INTERLOCK TERMINAL BLOCK (A-B, 1-4) A - B - Dry Contact call. 3 mA @ 5VDC.

SEE WARNING # 1.

1 - 24 or 115 VAC intercepted call.

IMPORTANT: RED voltage jumper must

match intercepted call voltage.

2 - 24V common or 115V Neutral. 3 - Common terminal to appliance relay con-

tacts. IMPORTANT: J1-J2 jumper routes call voltage at terminal 1 to 3. Remove J1-J2 jumper if a different voltage source is provided to terminal 3.

4 - Normally open terminal of appliance relay.

Will be energized from terminal 3 if safety circuit is “proven”.

P1 P2 C GND F

LED 1 (AMBER) LED 2 (GREEN) LED 3 (GREEN) LED 4 (RED) LED 5 (RED)

DRY

24 V

115 V

A B 1 2 3 4 L N

C, GND, F AUXILIARY DEVICE COMMUNICATION TERMINALS

2 mA @ 5VDC. For Tjernlund MAC1E or MAC4E auxiliary devices. SEE WARNING # 1.

(1 9)

APPLIANCE INTERLOCK

RELAY

J1 J2 XL XN

L / N - 115 VAC POWER SUPPLY BLOCK

115 VAC / 50-60 Hz Circuit protection provided by installer.

SEE WARNING # 3.

VENTER

MOTOR

RELAY

N M MTR

APPLIANCE INTERLOCK RELAY

1 HP MAX LOAD across terminals 3 & 4.

VENTER MOTOR RELAY

1 HP MAX LOAD from terminals L to MTR & M.

XL / XN AUXILIARY DEVICE POWER TERMINALS

115 VAC - Maximum of 0.15 Amps. Only connect to Tjernlund auxiliary devices.

SEE WARNING # 1.

MTR & M / N LOAD TERMINALS FROM VENTER MOTOR RELAY

Used to drive Venter Motor. 1 HP MAX LOAD across terminals MTR & M / N.

# 1. Power supplied by board. Do not supply power to this area or control damage may result. # 2. Do not supply power to the appliance interlock block with the call selector in the “DRY” position.

Control damage may result if power is supplied.

# 3. Circuit protection must be provided by the installer. 16 Amps is the maximum current allowed for this device at terminal L.

A 15 Amp circuit breaker is recommended.

I

VETI

LED STATUS & FAULT INDICATORS

LED INDICATOR LIGHTS

LED #1 (Amber) Appliance call for heat. LED #2 (Green) Safety circuit through P1 & P2 (Venter Fan Prover) is verified “Open” upon start-up. Indicates Venter prover is

closed during run cycle. Burner circuit is energized with contact closure from terminal 3 to 4. LED #3 (Green) Power switched to Venter motor from L to MTR & M. LED #4 (Red) Status / Fault indicator. LED #5 (Red) 115 VAC power supplied to board. Also used as a status indicator.

2

LED STATUS INDICATORS

LED #4 & #5 (Red) Flashing Alternately = Venter in Pre-purge. (Pre-Purge options 0, 5, 20, 35 seconds) LED #4 & #5 (Red) Flashing in Unison = Venter in Post-Purge. (Post-Purge options 0, 30 seconds or 1, 2, 4, 8, 16 minutes)

LED #4 Flashes Continuously = Fan Prover opened for more than 10 seconds during burner cycle.

(Venter will run for 10 minutes, attempting to make Fan Prover)

LED FAULT INDICATORS

Fault conditions are indicated by counting the number of times LED #4 (Red) flashes. LED #4 Flashes 2 Times Fan Prover was in electrically closed position prior to venter operation.

LED #4 Flashes 3 Times Fan Prover does not close within 60 seconds after call for heat. LED #4 Flashes 4 Times Fan Prover did not re-close after 10 minutes of Venter operation. LED #4 Flashes 5 Times Fan Prover opened for more than 10 seconds during burner cycle but closed within 10 minutes.

Investigate cause of Fan Prover short cycling such as; Firing burner at capacities or temperatures exceeding Venter limits, excessive vent pipe runs, elbows directly on venter discharge, high winds, plugged / kinked Fan Prover sensing tube or a faulty Fan Prover switch. In-Forcer model’s intake screen and prefilter, if applicable, should be cleaned if necessary.

IMPORTANT: Fault codes will automatically be displayed after a fault condition occurs. If the call for heat interlock signal or 115 VAC power is removed, the UC1 board will reset and the fault will be stored in memory instead of displayed. Any new fault will replace any previous fault.

CHECKING MEMORY FOR LAST FAULT CODE IMPORTANT: Prior to accessing the fault code memory, note the settings of the dip switches so that they can be returned to their

original Pre / Post-Purge positions. When power is supplied to the UC1 use caution when moving dip switches. The last fault code can be retrieved at any time by setting all dip switches 1-8 to the up, or “on” position. The last fault code, or

lack there of, will be indicated by counting the number of times LED 4 flashes. By moving any of the dip switches back to their original position, the fault code will be cleared. NOTE: The UC1 board must have its 115 VAC power supply present when any of the (1-8) dip switches are moved back to their original position for the fault code to clear.

PRE / POST PURGE AND PROVER STATUS CHECK DIP SWITCH SETTINGS

Remove power to UC1 and heating equipment when installing, servicing or changing dip switch settings. Failure to do so may result in personal injury and/or equipment damage. LED #5 (RED) should not be on if 115 VAC supply power is removed from the control.

Pre-purge

Used for a Venter with longer vent runs to get draft fully established throughout the vent system prior to burner ignition. Also beneficial for negative pressure prone environments. IMPORTANT: Nuisance equipment lockouts may occur if Venter pre-purge is running in conjunction with and is longer than any equipment timing circuit. Pre-purge settings must be shorter than burner control lockout time unless wired prior to burner control timing circuit (i.e. aquastat / thermostat).

Post-purge

A Venter post-purge has been factory set at 2 minutes. Confirm that dip switch #5 is in the up or "on" position. Oil fired equipment requires that the post-purge be long enough to eliminate post cycle nozzle drip odor. A longer post-purge may be necessary for longer vent runs or high heat retention, refractory lined combustion chambers. A shorter post-purge may be desired for gas installations or when using the UC1 to control a combustion air In-Forcer.

DIP SWITCH NUMBERING

Pre-Purge Post-Purge

1ON2 3 4 5 6 7 8 9

Prover Status Check Activated

POST-PURGE SETTINGS (SEE “POST-PURGE” ABOVE PRIOR TO SETTING)

3

ON

4

43 4865 7 3 5 6 7 8 3 4 5 6 7 8

4 Minutes 8 Minutes 16 Minutes

865 7 3 5 6 7 8 3

4

5 6 7 8 3 7546 8

4

1 Minute0 Seconds 30 Seconds 2 Minutes

3

ON

PRE-PURGE SETTINGS

(SEE “PRE-PURGE” ON PAGE 3 PRIOR TO SETTING PRE-PURGE)

1 2 1 2 1 2 1 2

0 Seconds 5 Seconds 20 Seconds 35 Seconds

P1 & P2 FAN PROVER SAFETY CIRCUIT “OPEN” UPON APPLIANCE CALL

Prover Status Check Activated

The Prover Status Check is activated from the factory. When activated the UC1 Universal Control checks across P1 & P2 safety circuit (Fan Prover) to verify that the Fan Prover switch is “Open” upon a call for heat and not stuck “Closed”. IMPORTANT: This must always be in the down

9

“Activated” position when side wall venting. When using the PS1505 Fan Prover in conjunction with a draft inducer on a vertical termination stack, “natural draft” may be sufficient to keep Prover contacts closed prior to a call for heat by an interlocked appliance. This is the only condition where this safety feature should be deactivated. Push up or “ON” to deactivate.

UC1 INSTALLATION

Do not mount the UC1 junction box on a heat source that exceeds 140oF (60oC). Examples of improper mounting surfaces include vent pipe, top of heater casing or any place where radiant or convective heat would cause the junction box temperature to exceed 140oF. The UC1 is intended for indoor installation only.

Using the key hole slots on the back of the UC1 junction box as a template, mark 4 holes on the mounting surface, drill pilot holes if necessary, and secure junction box using provided screws.

The UC1 has a 2 foot whip that contains a ground lead and the leads to power the Venter motor and connect to the Fan Prover. If it is desirable to mount the UC1 more than 2 feet from the Fan Proving Switch an additional electrical junction box and appropriate length of conduit will be necessary. Any added wire should be 14 gage and a pig tail should be added to each ground wire connection so that each electrical junction box is grounded. See diagram below for a typical UC1, Fan Prover and Venter installation.

TYPICAL UC1, FAN PROVER AND VENTER INSTALLATION

ALUMINUM SENSING TUBE, 4 FT. MAXIMUM LENGTH

2 FT. MAXIMUM LENGTH UNLESS ADDITIONAL

INSTALLER-SUPPLIED

BURNER INTERLOCK

CONNECTION

CONDUIT AND J-BOX ARE ADDED

INSTALLER-SUPPLIED

115 VAC CONNECTION

POWER

REQUIREMENTS

ADD VENTER MOTOR

LOAD PLUS 1/2 AMP

FOR UC1 LOAD

EXTERNAL

POWER SWITCHING

CAPACITY

EXTERNAL

CALL TRIGGER

METHODS

J1 / J2

JUMPER

SAFETY

CIRCUIT

UC1

T-BLOCK

L / N

XL / XN

UC1 CONTROL

M & MTR

(RELAY K2)

T-BLOCK

3 TO 4

(RELAY K1)

T-BLOCK

A / B

OR

24V 1 / 2

OR

115V

1 / 2

J1 / J2

P1 / P2

FAN PROVER

INSTALLER-SUPPLIED CONDUIT

AND 3 WIRE, MINIMUM 14 GAGE

VENTER

ELECTRICAL WIRING

ELECTRICAL SPECIFICATIONS

120 VAC ±10 %, 50/60 Hz CIRCUIT PROTECTION PROVIDED BY INSTALLER

150 mA MAX @ 120 VAC, 50/60 Hz CAN ONLY BE CONNECTED TO TJERNLUND-SPECIFIED AUXILIARY DEVICE

DURING OPERATION THE CONTROL USES 50 mA MAX @ 120 VAC

MOTOR - 1 H.P. MAX. @ 120 VAC, 50/60 Hz GENERAL PURPOSE - 15A @ 120 VAC, 50/60 Hz

MOTOR - 1 H.P. MAX. @ 120 VAC, 50/60 Hz GENERAL PURPOSE - 15A @ 120 VAC, 50/60 Hz RESISTIVE - 10A @ 28 VDC PILOT DUTY - 470 VA

USER-PROVIDED CONTACT CLOSURE FROM A TO B. SIZE CONTACT CLOSURE TO HANDLE 3 mA @ 5 VDC. MOVE RED VOLTAGE JUMPER TO "DRY" LOCATION. DO NOT SUPPLY POWER.

USER-PROVIDED 24 VAC AT TERMINALS 1 & 2. 1 = CALL HOT, 2 = COMMON. CONTROL REQUIRES 5 mA @ 24 VAC TO TRIGGER. MOVE RED VOLTAGE JUMPER TO "24V" LOCATION.

USER-PROVIDED 115 VAC AT TERMINALS 1 & 2. 1 = CALL LINE, 2 = NEUTRAL. CONTROL REQUIRES 1 mA @ 115 VAC TO TRIGGER. MOVE RED VOLTAGE JUMPER TO "115V" LOCATION.

USED TO JUMP CALL HOT (24 VAC) OR CALL LINE (115 VAC) FROM TERMINAL 1 TO TERMINAL 3. REMOVE J1-J2 JUMPER IF A DIFFERENT VOLTAGE SOURCE IS PROVIDED TO TERMINAL 3.

CONNECTED TO FAN PROVER. 1 mA @ 5 VDC. DO NOT SUPPLY POWER HERE.

4

All wiring from the UC1 to the appliance must be appropriate Class 1 wiring as follows: installed in rigid metal conduit, intermediate metal conduit, rigid non-metallic conduit, electrical metallic tubing, Type MI Cable, Type MC Cable, or be otherwise suitably protected from physical damage.

IMPORTANT: MORE THAN ONE INTERLOCK METHOD MAY BE APPLICABLE

In many cases it is easier to interlock with the thermostat/aquastat portion of the heater control circuit vs. the ignition module / primary control portion of the heater control circuit. Review all of the wiring diagram options prior to choosing the best method.

SEQUENCE OF OPERATION WITH UC1 UNIVERSAL CONTROL AND 24 VAC OR 115 VAC HEATER CONTROL CIRCUIT:

Control signal from thermostat, aquastat, primary control or gas valve is intercepted and routed to terminal “1” on UC1 terminal strip. When terminal “1” is energized with either 24 VAC or 115 VAC, the Venter motor is energized. After draft is established, the Fan Proving Switch closes within 5 to 10 seconds energizing terminal “4”, which completes the circuit allowing burner to fire. NOTE: If a Venter pre-purge is selected, the burner will not fire until the pre-purge time is finished. The Venter will continue to run after the burner has finished firing for the set post-purge time cycle. The UC1 is set for a 2 minute post-purge time period from the factory. See “Pre / Post-Purge Settings” on page 3 for details.

The "1" input terminal on the UC1 can accept either a 24 VAC or 115 VAC control signal. IMPORTANT: The RED voltage jumper must be positioned based on appliance interlock voltage 24V or 115V. If using the “DRY” contact activation method, use terminals A & B on UC1 control and position the RED voltage jumper tab in the “DRY” position. See millivolt appliance interlock diagram for further information. IMPORTANT: Only one interlock method (i.e. 24V, 115V or “Dry”) can be used with the UC1. Multiple appliance interlocks require the use of our MAC-Series multiple appliance controls.

The steps listed under each diagram are intended as a supplement to the diagram. Wiring colors or designations may vary by manufacturer. If you are unable to wire the UC1 as outlined in these instructions, call Tjernlund’s Customer Service Department toll free at 1-800-255-4208 for assistance.

IMPORTANT: 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 memory instead of displayed. See page 3, “Checking Memory for Last Fault Code”.

UC1 UNIVERSAL CONTROL WIRING SCHEMATIC

The Ground lead, Venter motor and Fan Prover leads are factory connected to the UC1 circuit board. Venter Ground, motor and Fan Prover wiring connections are made at the free end of the 2 foot whip.

LEGEND:

DO NOT SUPPLY VOLTAGE

USER-PROVIDED

CALL SWITCH

"DRY"

LINE

115 VAC

OR

24 VAC

COMMONNEUTRAL

APPROVED

SUPPLY 115 VAC 50/60 Hz

MOTOR

1 H.P. MAX @ 115 VAC

TO "A" OR "B".

OR

HOT

115 VAC 24 VAC 5 VDC BOARD-GENERATED POWER

DO NOT SUPPLY POWER!

IMPORTANT:

RED JUMPER POSITION MUST BE THE SAME AS APPLIANCE INTERLOCK VOLTAGE.

115V

24V

DRY

CALL

J2

J1

JUMPER

COM

INTERLOCK

RELAY

NO

COM

R

TJERNLUND

PRODUCTS,

INC.

XL

XN

N

9183006

MOTOR

MTRM

NO

RELAY

LED5 LED4 LED2LED3

RED

K1

K2

RED

LED1

GREEN

AMBER

PRE-PURGE SETTINGS

POST-PURGE SETTINGS

OPEN PROVER OPTION

115 OR 24 VAC FROM CALL JUMPER OR USER-PROVIDED VOLTAGE FROM TERMINAL 3 TO 4 WITH CALL JUMPER REMOVED

ON

(1 - 2)

(3 - 8)

(9)

2 431

CP1P2

5

97 86

FGND

PROVER

FOR TJERNLUND MAC1E OR MAC4E

AUXILIARY DEVICES. DO NOT CONNECT POWER TO P1, P2, C, GND OR F. DOING SO WILL DAMAGE THE CONTROL.

D/N 1303958-1

WARNING: Disconnect power supply from the UC1 and heating equipment when making wiring connections and servicing the

Venter. Failure to do so may result in personal injury and/or equipment damage. LED #5 (RED) should be off with power removed.

5

RED JUMPER POSITION MUST BE THE SAME

VENTER GROUND, MOTOR AND PROVER SAFETY CIRCUIT CONNECTIONS

VENTER PROVER CONNECTIONS

Blue and Yellow leads from UC1 whip (P1 and P2) safety circuit must be connected to a Fan Prover switch. Leads are not polarity sensitive. If using a Draft Inducer and venting only millivolt appliances, the PS1505 Fan Prover is not needed. See WHKE instructions or consult factory.

1 UNIVERSAL

VENTER MOTOR CONNECTIONS

Connect Black and White motor leads from UC1 whip to Venter motor leads. Venter motor must not exceed 1 h.p. Make sure venter motor is wired for proper rotation. Consult motor nameplate for rotation.

VENTER GROUND CONNECTION

Connect Green ground lead from UC1 whip to Fan Prover ground screw along with ground from Venter motor. If using a Draft Inducer and venting only millivolt appliances where the PS1505 Fan Prover is not needed, connect ground to Venter motor ground.

MULTIPLE APPLIANCE INTERLOCKS

To interlock with one additional 24/115 VAC heater add the MAC1E. It is a stripped down auxiliary board version of the UC1 and is powered by and communicates with the UC1 through a factory wired whip.

To interlock more than two 24/115 VAC heaters, add the MAC4E for a total of up to 5 heaters. It is powered by and communicates with the UC1 through a factory wired whip. Consult factory for installations with more than 5 heaters.

To interlock a millivolt water heater and a 24/115 VAC furnace or boiler, add the WHKE and MAC1E.

MILLIVOLT HEATER INSTALLATIONS

Each millivolt appliance interlocked with the UC1 must have its own WHKE kit installed. The WHKE Gas Pressure Switch actuates the Venter through the A - B Dry contacts. The Linear Limit switch disables the heater in the event of a venting malfunction.

IMPORTANT: Each millivolt appliance interlocked with the UC1 must have its own Linear Limit spill switch. MULTIPLE MILLIVOLT HEATER INSTALLATIONS

Multiple millivolt heaters can be installed by using the A-B dry contact terminals of the UC1, MAC1E or MAC4E. Wire each WHKE gas pressure switch in parallel across A-B terminals of UC1, MAC1E or MAC4E. Wire Linear Limit safety switch into each individual millivolt heater. For further information consult factory or WHKE instructions.

UC1 BURNER INTERLOCK WIRING DIAGRAMS

UC1 UNIVERSAL CONTROL CONNECTED WITH A 24 VAC ELECTRONIC IGNITION MODULE

AS APPLIANCE INTERLOCK VOLTAGE.

SPARK (9)

(8)

(7)

24V (6)

24V GND (5)

BNR GND (4)

PV (3)

MV / PV (2)

MV (1)

HONEYWELL IGNITION

CONTROL

OR

PI YE

GR YE WH OR

YE

PV

WH

PV MV

OR

MV

GR

GAS VALVE

SUPPLY 115 VAC 50/60 Hz

GROUND

IMPORTANT:

CRIMP GROUND WIRE TO GROUNDING SPADE TERMINAL IN ELECTRICAL BOX.

R

115V

UNIVERSAL CONTROLLER

J1J2

XL

XN

DRY

24V

CALL

JUMPER

LEGEND:

115 VAC

24 VAC

D/N 9183046-8

1. Remove the wire on MV at gas valve and connect it on #1 on UC1 terminal block.

2. Connect #2 on UC1 terminal block to MV/PV.

3. Connect #4 on UC1 terminal block to MV on gas valve.

4. Make sure RED voltage jumper on UC1 is on 24V.

5. Connect 115 VAC supply voltage to L & N terminals on UC1. Crimp Ground wire to grounding spade terminal in UC1. Important: Installer must supply overload and disconnect protection.

6. If not previously completed, connect ground from UC1 whip to Venter ground. Connect Black and White leads from UC1 whip to Venter motor leads. Connect Blue and Yellow leads from UC1 whip to Fan Prover switch. Prover Leads are not polarity sensitive.

6

UC1 UNIVERSAL CONTROL CONNECTED WITH A SINGLE ZONE 24 VAC THERMOSTAT

RED JUMPER POSITION MUST BE THE SAME

IMPORTANT:

AS APPLIANCE INTERLOCK VOLTAGE.

THERMOSTAT

115V

24V

DRY

Y

R

R C

Y

W

INTERNAL CONTROL

OF FURNACE

IMPORTANT:

W

GG

SUPPLY 115 VAC 50/60 Hz

GROUND

J1J2

XL

R

XN

CALL JUMPER

UNIVERSAL CONTROLLER

LEGEND:

115 VAC

24 VAC

D/N 9183046-5

CRIMP GROUND WIRE TO GROUNDING SPADE TERMINAL IN ELECTRICAL BOX.

1. Connect W from t-stat to #1 on terminal block of UC1.

2. Connect #2 on UC1 terminal block to C on internal control terminal strip of furnace/boiler.

3. Connect #4 on UC1 terminal block to W on internal control terminal strip of furnace/boiler.

4. Make sure RED voltage jumper on UC1 is on 24V.

5. Connect 115 VAC supply voltage to L & N terminals on UC1. Crimp Ground wire to grounding spade terminal in UC1. Important: Installer must supply overload and disconnect protection.

6. If not previously completed, connect ground from UC1 whip to Venter ground. Connect Black and White leads from UC1 whip to Venter motor leads. Connect Blue and Yellow leads from UC1 whip to Fan Prover switch. Prover Leads are not polarity sensitive.

NOTE: If burner safety control goes out on lockout, the Venter will continue to run as long as a call for heat is present.

UC1 UNIVERSAL CONTROL CONNECTED WITH A 24 OR 115 VAC STANDING PILOT

IMPORTANT:

RED JUMPER POSITION MUST BE THE SAME

INTERNAL CONTROLS OF FURNACE/BOILER

B2

COM

COM TR

24V OR 115V GAS VALVE

Aquastat

T-stat

HOT

TH

B1

HOT

SUPPLY 115 VAC 50/60 Hz

GROUND

IMPORTANT:

CRIMP GROUND WIRE TO GROUNDING SPADE TERMINAL IN ELECTRICAL BOX.

J1J2

XL

XN

1. Remove the wire on TH or HOT of gas valve and connect it on #1 on UC1 terminal block.

2. Connect #2 on UC1 terminal block to TR or Common.

3. Connect #4 on UC1 terminal block to TH or HOT on gas valve.

4. Make sure RED voltage jumper on UC1 is on 24V or 115V depending on control voltage.

5. Connect 115 VAC supply voltage to L & N terminals on UC1. Crimp Ground wire to grounding spade terminal in UC1. Important: Installer must supply overload and disconnect protection.

6. If not previously completed, connect ground from UC1 whip to Venter ground. Connect Black and White leads from UC1 whip to Venter motor leads. Connect Blue and Yellow leads from UC1 whip to Fan Prover switch. Prover Leads are not polarity sensitive.

AS APPLIANCE INTERLOCK VOLTAGE.

115V

UNIVERSAL CONTROLLER

DRY

24V

CALL JUMPER

LEGEND:

115 VAC

24 OR 115 VAC

D/N 9183046-1

7

UC1 UNIVERSAL CONTROL AND WHKE INTERLOCK KIT

CONNECTED WITH A MILLIVOLT APPLIANCE

R

IMPORTANT:

115V

UNIVERSAL CONTROLLER

J1J2

XL

XN

RED JUMPER POSITION MUST BE THE SAME

AS APPLIANCE INTERLOCK VOLTAGE.

WHKE GAS

PRESSURE

SWITCH

SUPPLY 115 VAC 50/60 Hz

GROUND

DRY

24V

CALL JUMPER

LINEAR LIMIT

SPILL SWITCH

950-0470 (JA1)

THERMOCOUPLE

JUNCTION ADAPTER

GAS

VALVE

LEGEND: 115 VAC

5 VDC BOARDGENERATED POWER.

DO NOT SUPPLY POWER!

MILLIVOLT

D/N 9183046-9

IMPORTANT:

CRIMP GROUND WIRE TO GROUNDING SPADE TERMINAL IN

ELECTRICAL BOX.

SAFETY CIRCUIT ACROSS P1 & P2 OF UC1 IS NOT UTILIZED

IN THIS APPLICATION. SPILL SWITCH MUST BE INTERLOCKED

WITH HEATING EQUIPMENT AS SHOWN.

30 MILLIVOLT WATER HEATERS REQUIRE USE OF THE 950-0470 THERMOCOUPLE JUNCTION ADAPTER.

ON 750 MILLIVOLT (POWER PILE) WATER HEATERS WIRE LINEAR LIMIT SPILL SWITCH IN SERIES WITH HIGH LIMIT (ECO) OF WATER HEATER. LINEAR LIMIT SPILL SWITCH, 950-0470 JUNCTION ADAPTER AND GAS PRESSURE SWITCH ARE INCLUDED WITH WHKE KIT.

Each millivolt appliance interlocked with the UC1 must have its own WHKE kit installed. The WHKE Gas Pressure Switch actuates the Venter through the A - B Dry contacts. The Linear Limit switch disables the heater in the event of a venting malfunction. IMPORTANT: Each millivolt appliance interlocked with the UC1 must have its own Linear Limit spill switch.

1. Wire WHKE Gas Pressure Switch in series with A and B terminal on UC1. Do not supply voltage to A and B terminals.

2. Wire WHKE Linear Limit in series with thermocouple junction adapter or high limit ECO of water heater.

3. Make sure RED voltage jumper on UC1 is in the DRY position.

4. Connect 115 VAC supply voltage to L & N terminals on UC1. Crimp Ground wire to grounding spade terminal in UC1. Important: Installer must supply overload and disconnect protection.

5. If not previously completed, connect ground from UC1 whip to Venter ground. Connect Black and White leads from UC1 whip to Venter motor leads. Connect Blue and Yellow leads from UC1 whip to Fan Prover switch. Prover Leads are not polarity sensitive. If using a Draft Inducer and only venting millivolt appliances the PS1505 Fan Proving Switch is not necessary, see WHKE instructions for complete details.

UC1 UNIVERSAL CONTROL CONNECTED TO A GAS OR OIL BURNER WITH AN AQUASTAT

IMPORTANT:

R

J1J2

XL

XN

AQUASTAT

C1

L1

C2

L2

B1 B2

N

L1

LINE VOLTAGE OIL BURNER

PRIMARY CONTROL, BURNER

RELAY OR GAS VALVE

IMPORTANT:

CRIMP GROUND WIRE TO GROUNDING SPADE TERMINAL IN ELECTRICAL BOX.

RED JUMPER POSITION MUST BE THE SAME

AS APPLIANCE INTERLOCK VOLTAGE.

SUPPLY 115 VAC 50/60 Hz

GROUND

1. Disconnect B1 from L1 of oil burner primary control, burner relay or hot of gas valve and reconnect to #1 on UC1 terminal block.

2. Connect #2 on UC1 terminal block to B2 or N.

3. Connect #4 on UC1 terminal block to the L1 on line voltage oil burner primary control, burner relay or gas valve.

4. Make sure RED voltage jumper on UC1 is on 115V.

5. Connect 115 VAC supply voltage to L & N terminals on UC1. Crimp Ground wire to grounding spade terminal in UC1. Important: Installer must supply overload and disconnect protection.

6. If not previously completed, connect ground from UC1 whip to Venter ground. Connect Black and White leads from UC1 whip to Venter motor leads. Connect Blue and Yellow leads from UC1 whip to Fan Prover switch. Prover Leads are not polarity sensitive.

NOTE: If burner safety control goes out on lockout, the Venter will continue to run as long as a call for heat is present.

8

LEGEND:

115 VAC

115V

UNIVERSAL CONTROLLER

DRY

24V

CALL JUMPER

D/N 9183046-7

UC1 UNIVERSAL CONTROL CONNECTED TO A HONEYWELL R7184 SERIES OR EQUIVALENT

PRIMARY CONTROL WITH A LINE VOLTAGE THERMOSTAT OR AQUASTAT

SUPPLY

Limit

115 VAC

60 Hz

SUPPLY 115 VAC 50/60 Hz

GROUND

LEGEND:

115 VAC

D/N 9183046-6

IMPORTANT:

RED JUMPER POSITION MUST BE THE SAME AS APPLIANCE INTERLOCK VOLTAGE.

115V

DRY

24V

CALL

JUMPER

UNIVERSAL CONTROLLER

J1J2

XL

XN

R

R7184

L1

T

Low Voltage Jumper

Alarm

Limit L2

T

Oil Valve

Burner Motor

Interrupted Ignitor Intermittant

A

Cad Cell

A

Line Voltage Thermostat

or Aquastat Control

OIL VALVE

BURNER MOTOR

IGNITION TRANS

IMPORTANT:

CRIMP GROUND WIRE TO GROUNDING SPADE TERMINAL IN ELECTRICAL BOX.

1. Disconnect burner motor wire off the R7184.

2. Connect burner motor terminal of R7184 to #1 on UC1 terminal block.

3. Connect #2 on UC1 terminal block to L2 or N.

4. Connect #4 on UC1 terminal block to burner motor wire removed from R7184.

5. Make sure RED voltage jumper on UC1 is on 115V.

6. Connect 115 VAC supply voltage to L & N terminals on UC1. Crimp Ground wire to grounding spade terminal in UC1. Important: Installer must supply overload and disconnect protection.

7. If not previously completed, connect ground from UC1 whip to Venter ground. Connect Black and White leads from UC1 whip to Venter motor leads. Connect Blue and Yellow leads from UC1 whip to Fan Prover switch. Prover Leads are not polarity sensitive.

UC1 UNIVERSAL CONTROL CONNECTED WITH A CARLIN 40200, 42230, 48245, 50200, 60200

SERIES OR EQUIVALENT AND A LINE VOLTAGE THERMOSTAT OR AQUASTAT

SUPPLY 115 VAC

60 Hz

Red/WhiteT

Low Voltage Jumper

T Black

F White

OrangeF

A Blue

Alarm

A Violet

1. Disconnect burner motor wire off the Orange on Carlin.

2. Connect burner motor terminal Orange of Carlin to #1 on UC1 terminal block.

3. Connect #2 on UC1 terminal block to L2 or N

4. Connect #4 on UC1 terminal block to burner motor wire removed from Orange of Carlin.

5. Make sure RED voltage jumper on UC1 is on 115V.

6. Connect 115 VAC supply voltage to L & N terminals on UC1. Crimp Ground wire to grounding spade terminal in UC1. Important: Installer must supply overload and disconnect protection.

7. If not previously completed, connect ground from UC1 whip to Venter ground. Connect Black and White leads from UC1 whip to Venter motor leads. Connect Blue and Yellow leads from UC1 whip to Fan Prover switch. Prover Leads are not polarity sensitive.

Line Voltage Thermostat

or Aquastat Control

10 FLA / 60 LRA

500 VA

0.3 A, AC

IMPORTANT:

CRIMP GROUND WIRE TO GROUNDING SPADE TERMINAL IN ELECTRICAL BOX.

Limit

BURNER MOTOR

IGNITION TRANS

OIL VALVE

SUPPLY 115 VAC 50/60 Hz

GROUND

IMPORTANT:

RED JUMPER POSITION MUST BE THE SAME AS APPLIANCE INTERLOCK VOLTAGE.

115V

DRY

24V

CALL

J2

J1

XNXL

R

JUMPER

UNIVERSAL CONTROLLER

LEGEND:

115 VAC

D/N 9183046-3

9

UC1 UNIVERSAL CONTROL CONNECTED TO AN OIL-FIRED FURNACE WITH A

HONEYWELL T87 OR EQUIVALENT NON-POWERED THERMOSTAT

RED JUMPER POSITION MUST BE THE SAME

AS APPLIANCE INTERLOCK VOLTAGE.

IMPORTANT:

FACTORY-

WIRED

HONEYWELL T87 OR EQUIVALENT

NON-POWERED THERMOSTAT

PRIMARY CONTROL

BLACK

ORANGE

WHITE

HONEYWELL

R8184 SERIES

OR EQUIVALENT

T

B

T

O

F

W

F

IMPORTANT:

CRIMP GROUND WIRE TO GROUNDING SPADE TERMINAL IN ELECTRICAL BOX.

SUPPLY 115 VAC 50/60 Hz

GROUND

115V

UNIVERSAL CONTROLLER

J1J2

XL

R

XN

24V

DRY

IMPORTANT:

REMOVE JUMPER TO AVOID BACKFEEDS OR SHORT CIRCUITS.

LEGEND: 115 VAC

LOW VAC 5 VDC BOARD-GENERATED

POWER. DO NOT SUPPLY POWER!

D/N 9183047-1

1. IMPORTANT: Remove J1 & J2 Call Jumper on UC1 to avoid backfeeds or short circuits.

2. Connect T87 or Equivalent non-powered thermostat to A and B terminals on UC1.

3. Remove T T Jumper from R8184 or equivalent Primary Control.

4. Connect #3 on UC1 terminal block to T terminal of Primary Control.

5. Connect #4 on UC1 terminal block to remaining T terminal of Primary Control.

6. Make sure RED voltage jumper on UC1 is on DRY.

7. Connect 115 VAC supply voltage to L & N terminals on UC1. Crimp Ground wire to grounding spade terminal in UC1. Important: Installer must supply overload and disconnect protection.

8. If not previously completed, connect ground from UC1 whip to Venter ground. Connect Black and White leads from UC1 whip to Venter motor leads. Connect Blue and Yellow leads from UC1 whip to Fan Prover switch. Prover Leads are not polarity sensitive.

NOTE: If burner safety control goes out on lockout, the Venter will continue to run as long as a call for heat is present.

UC1 UNIVERSAL CONTROL CONNECTED TO A HONEYWELL

R8184 SERIES OR EQUIVALENT PRIMARY CONTROL

L1

RED JUMPER POSITION MUST BE THE SAME

AS APPLIANCE INTERLOCK VOLTAGE.

IGNITION TRANS

BLACK

SUPPLY

BURNER MOTOR

IMPORTANT:

CRIMP GROUND WIRE TO GROUNDING SPADE TERMINAL IN ELECTRICAL BOX.

115 VAC 50/60 Hz

GROUND

HONEYWELL

R8184 SERIES

OR EQUIVALENT

LEGEND:

115 VAC

BLACK

ORANGE

WHITE

D/N 9183046-2

1. Separate the Black burner motor wire from the Orange wire of R8184 Primary Control. NOTE: Do not separate the ignition transformer wire from the Orange.

2. Connect Orange wire of R8184 to #1 on UC1 terminal block.

3. Connect #2 on UC1 terminal block to White on R8184.

4. Connect Black of burner motor to #4 on UC1 terminal block.

5. Make sure RED voltage jumper on UC1 is on 115V.

6. Connect 115 VAC supply voltage to L & N terminals on UC1. Crimp Ground wire to grounding spade terminal in UC1. Important: Installer must supply overload and disconnect protection.

7. If not previously completed, connect ground from UC1 whip to Venter ground. Connect Black and White leads from UC1 whip to Venter motor leads. Connect Blue and Yellow leads from UC1 whip to Fan Prover switch. Prover Leads are not polarity sensitive.

IMPORTANT:

R

115V

J2

UNIVERSAL CONTROLLER

J1

XL

XN

DRY

24V

CALL JUMPER

10

UC1 UNIVERSAL CONTROL CONNECTED WITH A HONEYWELL R8184 SERIES

OR EQUIVALENT PRIMARY CONTROL AND A BURNER MOTOR POST-PURGE

BURNER

L1

BLACK

ORANGE

IGNITION

TRANS

B O

WHITE

W

HONEYWELL R8184

SERIES OR EQUIVALENT

OIL VALVE

VENTER

MOTORMOTOR

THERMOSTAT

T T F F

SUPPLY 115 VAC 50/60 Hz

GROUND

J1J2

XL XN

N MTRM

IMPORTANT:

RED JUMPER POSITION MUST BE THE SAME AS APPLIANCE INTERLOCK VOLTAGE.

115V

DRY

24V

CALL JUMPER

UNIVERSAL CONTROL

IMPORTANT:

CRIMP GROUND WIRE TO GROUNDING SPADE TERMINAL IN ELECTRICAL BOX.

LEGEND:

115 VAC

D/N 9183047-4

1. Separate the burner motor wire and ignition transformer from the Orange wire of R8184.

2. Connect the Orange of R8184 to #1 on UC1 terminal block.

3. Connect #2 on UC1 terminal block to White on R8184 or N.

4. Connect the HOT wire of oil solenoid valve to #4 on UC1 terminal block and neutral wire to White or N.

5. Connect burner motor and ignition transformer HOT wires to M terminal on UC1 and neutrals to White or N.

6. Make sure RED voltage jumper on UC1 is on 115V.

7. Connect 115 VAC supply voltage to L & N terminals on UC1. Crimp Ground wire to grounding spade terminal in UC1. Important: Installer must supply overload and disconnect protection.

8. If not previously completed, connect ground from UC1 whip to Venter ground. Connect Black and White leads from UC1 whip to Venter motor leads. Connect Blue and Yellow leads from UC1 whip to Fan Prover switch. Prover Leads are not polarity sensitive.

UC1 UNIVERSAL CONTROL OPERATIONAL CHECK

1. Confirm power is supplied to the Control. LED #5 (RED) should be on.

2. Activate the UC1 by initiating an appliance call for heat. LED #1 (AMBER) should be on.

3. The motor relay will close and activate the Venter motor. LED #3 (GREEN) should be on.

ON

4. If the safety circuit across P1 & P2 (Venter Prover) is closed, indicating an approved condition, the appliance interlock relay will close making terminal #3 closed to terminal #4 & LED #2 (GREEN). Appliance burner should fire.

5. Remove power to the UC1 and any interlocked appliances. The LED #5 (RED) or any LED’s should not be on. Test the safety circuit by removing the Blue or Yellow Lead from Fan Proving Switch. Do not let the opened LEAD touch a ground or damage may occur to the control when power is Reestablished. Reestablish power to the UC1 and interlocked appliances and initiate a call for heat. After 60 seconds a Prover Start Up fault should arise with LED #4 flashing 3 times.

6. Remove appliance call for heat and power to the UC1 and any interlocked appliances. The LED #5 (RED) or any LED’s should not be on. Reconnect Blue or Yellow Fan Prover lead to Fan Proving Switch terminal removed from in step 5.

7. Reestablish power to UC1 and interlocked appliances and initiate a call for heat to confirm proper operation of UC1 and appliance.

RESETTING FAULT CODE CREATED BY STEP 5 OF OPERATIONAL CHECK IMPORTANT: Prior to accessing the fault code memory, note the settings of the dip switches so that they can be returned to their

original Pre / Post-Purge positions. When power is supplied to the UC1 use caution when moving dip switches. The last fault code can be retrieved at any time by setting all dip switches 1-8 to the up, or “on” position. The last fault code, or

lack there of, will be indicated by counting the number of times LED 4 flashes. By moving any of the dip switches back to their original position, the fault code will be cleared. NOTE: The UC1 board must have its 115 VAC power supply present when any of the (1-8) dip switches are moved back to their original position for the fault code to clear.

11

OPERATION AND DRAFT CHECK

The installer must perform Draft Check, Safety Interlock and Combustion Air Test as outlined in the Venter installation manual. If Venter installation manual is not present use the following procedure below.

The Fan Proving Switch is designed to disable the appliance gas valve or burner motor upon Venter failure only! It is not designed and cannot replace, regular vent system inspection, appliance servicing and combustion testing.

1. Close all doors and windows of the building. If the appliance is installed in a utility room or closet, close the entrance door to this room. Close fireplace dampers.

2. Turn on clothes dryer and all exhaust fans such as range hoods, bathroom

PROPER DRAFT ESTABLISHED

exhausts and whole house fans to maximum speeds. Do not operate a fan used strictly for Summer exhausting.

3. Following the appliance manufacturer’s instructions, place the appliance in operation, set thermostat for continuous operation.

4. Verify that Venter operates first, prior to burner ignition. Watch to make sure burner lights off properly.

GAS

After allowing appliance(s) to operate for 15 minutes, follow the appliance manufacturers instructions to verify that the recommended draft is present. In general, most gas appliances will operate safely with flue outlet draft levels from -0.02 to -0.05" W.C.. If the draft is excessive, make necessary adjustments to the barometric control and/or follow the, “Venter Air Flow Damper Adjustment” procedure outlined in Venter installation manual. As a cross check, a candle or match can be held adjacent to the draft hood or barometric control to verify flame/smoke is being drawn into, and not rolling out of edge of the relief opening, (See Diagram above). If exhaust gases are escaping from the relief opening of the draft hood or barometric control, the equipment should not be operated until proper adjustments or repairs are made to provide adequate draft levels.

OIL

After allowing equipment to operate for 15 minutes, make necessary adjustments to the primary air intake and barometric draft control to comply with the manufacturer recommended over-fire draft and CO2 requirements of the burner. In most cases, the over-fire draft should be in a range of -.02” to -.04” W.C. If adjustments to the primary air intake and barometric draft control do not provide the required over-fire draft, the Venter draft adjustment must be repositioned accordingly. Measure over-fire draft and CO2 after repositioning Venter draft adjustment. Follow the “Venter Air Flow Damper Adjustment” procedure outlined in Venter installation manual.

5. Next, turn on all other fuel-burning appliances within the same room so they will operate at their full input. Repeat Step 3 above, checking the draft on each appliance.

TROUBLESHOOTING ELECTRICAL PROBLEMS

The following guide is intended to be used if a problem occurs during the use of the Venter and UC1. It may be necessary to measure voltage during troubleshooting. Extreme caution must be exercised to prevent injury. If you are unable to determine the defective part with the use of this guide, call your Tjernlund distributor or Tjernlund Products direct at 1-800-255-4208 for further assistance.

IMPORTANT: 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 memory instead of displayed. See page 3, “Checking Memory for Last Fault Code”.

LED STATUS & FAULT INDICATORS

LED INDICATOR LIGHTS

LED #1 (Amber) Appliance call for heat. LED #2 (Green) Safety circuit through P1 & P2 (Venter Fan Prover) is verified “Open” upon start-up. Indicates Venter prover is

closed during run cycle. Burner circuit is energized with contact closure from terminal 3 to 4. LED #3 (Green) Power switched to Venter motor from L to MTR & M. LED #4 (Red) Status / Fault indicator. LED #5 (Red) 115 VAC power supplied to board. Also used as a status indicator.

LED STATUS INDICATORS

LED #4 & #5 (Red) Flashing Alternately = Venter in Pre-purge. (Pre-Purge options 0, 5, 20, 35 seconds) LED #4 & #5 (Red) Flashing in Unison = Venter in Post-Purge. (Post-Purge options 0, 30 seconds or 1, 2, 4, 8, 16 minutes)

LED #4 Flashes Continuously = Fan Prover opened for more than 10 seconds during burner cycle.

(Venter will run for 10 minutes, attempting to make Fan Prover)

12

LED FAULT INDICATORS

Fault conditions are indicated by counting the number of times LED #4 (Red) flashes. LED #4 Flashes 2 Times Fan Prover was in electrically closed position prior to venter operation.

LED #4 Flashes 3 Times Fan Prover does not close within 60 seconds after call for heat. LED #4 Flashes 4 Times Fan Prover did not re-close after 10 minutes of Venter operation. LED #4 Flashes 5 Times Fan Prover opened for more than 10 seconds during burner cycle but closed within 10 minutes.

Investigate cause of Fan Prover short cycling such as; Firing burner at capacities or temperatures exceeding Venter limits, excessive vent pipe runs, elbows directly on venter discharge, high winds, plugged / kinked Fan Prover sensing tube or a faulty Fan Prover switch. In-Forcer model’s intake screen and prefilter, if applicable, should be cleaned if necessary.

IMPORTANT: Fault codes will automatically be displayed after a fault condition occurs. If the call for heat interlock signal or 115 VAC power is removed, the UC1 board will reset and the fault will be stored in memory instead of displayed. Any new fault will replace any previous fault.

SYMPTOM 1: VENTER OPERATES CONTINUOUSLY

Verify that Venter is not in post-purge mode which could last up to 16 minutes. A factory post-purge has been set for 2 minutes. LED #4 & #5 (Red) will flash in unison during post-purge. A Venter pre-purge could also be set for up to 35 seconds. LED #4 & #5 (Red) will flash alternately during pre-purge. See “Pre / Post-Purge Settings” on page 3.

Verify that LED #1 (Amber) is not lit. Yes, LED #1 (Amber) is lit: Check interlock wiring. Confirm burner control(s) are functioning properly. UC1 control is receiving

constant call for heat signal. LED #1 (Amber) is not lit: Replace UC1 circuit board part number 950-8804.

SYMPTOM 2: VENTER MOTOR DOES NOT OPERATE

Verify that UC1 control has power, LED #5 (Red) should be lit. Verify that LED# 4 (Red) is not flashing. See “LED Status & Fault Indicators” on page 12 if flashing. Verify RED voltage selection jumper corresponds with interlock voltage (i.e 24V, 115V or “Dry”).

No: Check circuit breaker, disconnect switches and wiring. Confirm that Venter leads are connected to N & MTR terminals. Yes, LED #5 (Red) is lit: Verify that the interlocked burner is calling for heat, LED #1 (Amber) should be lit. No, LED #1 (Amber) is not lit: Verify interlock wiring and that thermostat/aquastat is adjusted to call for heat. Verify that the RED

voltage selection jumper is installed so that it matches the voltage of the interlocked burner. Yes, LED #1 (Amber) is lit: Verify Prover safety circuit fault does not exist. See, “LED Status & Fault Indicators” on page 12.

If faults exist check Prover P1 & P2 safety circuit. If no faults exist, check for 115 VAC across terminals N and MTR. Voltage present: Confirm Black and White leads from UC1 whip are securely fastened to Venter motor leads. If so, replace

Venter motor. No voltage present: Replace UC1 circuit board part number 950-8804.

SYMPTOM 3: VENTER OPERATES, BUT BURNER DOES NOT

For SideShot SS1 and SS2 Series reset High Limit and see if burner fires. If High Limit was tripped, investigate the cause of high heat. For any newly established call for heat the Venter will run for 60 seconds to try to close the fan prover circuit (P1 to P2). If circuit can not be made within 60 seconds LED #4 (Red) will flash 3 times, indicating a prover check circuit fault on UC1 start up. NOTE: The UC1 safety circuit and LED #4 (Red) will be reset if the call for heat interlock signal or 115 VAC power is removed. If the fan prover makes on start up, but breaks for more than 10 seconds during the burner cycle, LED #4 will flash continuously indicating a prover circuit fault. The Venter will continue to run for 10 minutes to try to make the prover circuit as long as a call for heat exists. If Prover does not make within 10 minutes, the UC1 will shut down and LED #4 (Red) will flash 4 times indicating a prover circuit fault. Remove the call for heat and then reestablish to reset the UC1 prover safety circuit (P1 to P2) & LED #4 (Red).

Verify that LED #2 (Green) is lit. Yes, LED #2 (Green) is lit: Verify that "call jumper" is connected from J1 to J2 on UC1 circuit board if using typical wiring where

supply voltage from terminal 1 is routed to terminal 3 through “call jumper” then to 4 when appliance interlock relay makes. With call for heat established, verify that wiring is correct by measuring voltage between terminals 1 & 2 and 2 & 4 of UC1 terminal strip. Voltage should be the same in both cases, if not rewire per appropriate diagram or confirm burner control(s) are functioning properly. NOTE: If a different voltage source is provided to terminal 3 which is switched to terminal 4 or when using the A-B dry contacts, voltage measurements may not apply. For millivolt installations make sure system Limits are reset and relight pilot.

No, LED #2 (Green) is not lit: Remove power from UC1 and push dip switch #9 up or “on” to deactivate Fan Prover status check. Remove P1 and P2 prover leads off of Fan Prover switch and jumper together. Reestablish power and call for heat. After Venter pre-purge, if set (up to 35 seconds), LED #2 (Green) should light.

No, LED #2 (Green) does not light: Replace UC1 circuit board, part number 950-8804. Yes, LED #2 (Green) lights up: The fan proving switch may not be closing, wiring connections are incorrect/broken or burner con-

trol(s) are not functioning properly. With Venter running, verify that Venter performance is sufficient to close Fan Prover contacts by checking for continuity across switch. IMPORTANT: After continuity check push dip switch #9 back down to “activate” Fan Prover status check. Replace Fan Prover leads from P1 and P2 back on Fan Proving switch.

13

No, continuity is not present: Confirm that burner is not firing at capacities or temperatures exceeding Venter limits. Check for

excessive vent pipe runs, elbows directly on venter discharge, high winds, plugged / kinked Fan Prover sensing tube or a faulty Fan Prover switch. In-Forcer model’s intake screen and prefilter, if applicable, should be cleaned if necessary. If everything checks out okay, replace fan prover.

Yes, continuity present: Recheck wiring and burner control(s).

HOW TO OBTAIN SERVICE ASSISTANCE

1. If you have any questions about your Universal Control or if it requires adjustment or repair, we suggest that you contact your

installer, contractor or service agency.

2. If you require technical information contact Tjernlund Products, Inc. at 1-800-255-4208 with the following information.

1. Model of the Venter that UC1 is interlocked with as shown on the label attached to Venter.

2. Name and address of installer and any service agency who performed work on Venter.

3. Date of original installation and dates any service work was performed.

4. Details of the problem as you can best describe them.

LIMITED PARTS WARRANTY AND CLAIM PROCEDURE

Tjernlund Products, Inc. warrants the components of the UC1 for one year from date of installation. This warranty covers defects in material and workmanship. This warranty does not cover normal maintenance, transportation or installation charges for replacement parts or any other service calls or repairs. This warranty DOES NOT cover the complete UC1 if it is operative, except for the defective part.

Tjernlund Products, Inc. will issue credit or provide a free part to replace one that becomes defective during the one year warranty period. Proof of date of the installation in the form of the contractor sales/installation receipt is necessary to prove the unit has been in service for under one year. All receipts should include the date code of the UC1 to ensure that the defective component corresponds with the complete unit. This will help preclude possible credit refusal.

1.) Follow troubleshooting guide to determine defective component. If unable to determine faulty component, contact your

Tjernlund distributor or Tjernlund Technical Customer Service at 1-800-255-4208 for troubleshooting assistance.

2.) After the faulty component is determined, return it to your Tjernlund distributor for replacement. Please include UC1 date

code component was taken from. The date code is located on the Electrical Box coverplate. If the date code is older than 1 year, you will need to provide a copy of the original installation receipt to your distributor. Credit or replacement will only be issued to a Tjernlund distributor after the part has been returned prepaid to Tjernlund and verified defective.

WHAT IS NOT COVERED

Product installed contrary to our installation instructions, altered, neglected or misused Product that has been wired incorrectly Product that has been damaged by a malfunctioning or maladjusted burner Any freight charges related to the return of the defective part Any labor charges related to evaluating and replacing the defective part

Tjernlund Products, Inc. warrants to the original purchaser of this product that the product will be free from defects due to faulty material or workmanship for a period of (1) year from the date of original purchase or delivery to the original purchaser, whichever is earlier. Remedies under this warranty are limited to repairing or replacing, at our option, any product which shall, within the above stated warranty period, be returned to Tjernlund Products, Inc. at the address listed below, postage prepaid. THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTION ON THE FACE HEREOF, AND TJERNLUND PRODUCTS, INC. EXPRESSLY DISCLAIMS LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OF THIS PRODUCT. THIS WARRANTY IS IN LIEU OF ALL OTHER EXPRESS WARRANTIES AND NO AGENT IS AUTHORIZED TO ASSUME FOR US ANY LIABILITY ADDITIONAL TO THOSE SET FORTH IN THIS LIMITED WARRANTY. IMPLIED WARRANTIES ARE LIMITED TO THE STATED DURATION OF THIS LIMITED WARRANTY. Some states do not allow limitation on how long an implied warranty lasts, so that limitation may not apply to you. In addition, some states do not allow the exclusion or limitation of incidental or consequential damages, so that above limitation or exclusion may not apply to you. This warranty gives you specific legal rights and you may also have other rights which may vary from State to State. Send all inquiries regarding warranty work to Tjernlund Products, Inc. 1601 9th Street, White Bear Lake, MN 55110-6794. Phone (651) 426-2993 • (800) 255-4208 • Fax (651) 426-9547 • Email fanmail@tjfans.com.

TJERNLUND LIMITED ONE YEAR WARRANTY

REPLACEMENT PARTS

Component Part Number

Universal Control Circuit Board 950-8804

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Tjernlund 950-8804UC1 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual