Tjernlund 950-0014 Relay Timer Airotronics Non-Adjustable 8504067 Rev. A 11/11 User Manual

Tjernlund products, inc, Rev. a 11/11, Do not destroy

P/N 8504067

REV. A 11/11

READ INSTRUCTIONS CAREFULLY

RELAY/TIMER PART NUMBER 950-0014

NON-ADJUSTABLE RELAY/TIMER

OWNERS INSTRUCTIONS

THESE INSTRUCTIONS MUST REMAIN

WITH EQUIPMENT

DO NOT DESTROY

ALWAYS FOLLOW HEATER

MANUFACTURER’S INSTRUCTION

FOR PROPER OPERATION OF

HEATER AND RELIGHTING OF PILOT

PART #950-0014 INSTALLATION INSTRUCTIONS

24-120 VAC INPUT APPROX. 45 SECOND ( + 10% )

NON-ADJUSTABLE POST-PURGE RELAY/TIMER

A) Disconnect 120 VAC Power from the Power Venter before continuing.

B) All wiring from the Power Venter 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.

120 VAC SUPPLY AND OUTPUT TO MOTOR WIRING

The output or motor switching side of the #950-0014 has three terminals. L1 or
the 120 VAC supply power lead is attached to terminal 2. White or the 120 VAC
neutral/return lead is attached to terminal 3 and the Black or 120 VAC “hot” motor
lead is attached to terminal 1. IMPORTANT: Terminals 2 (L1) and 3 (L2) must be
powered continuously with 120 VAC.

ELECTRICAL RATING

The Terminal 1 (Motor Load) and Terminal 3 (L2) 120 VAC Load contacts are
rated for 1/4 H.P. @ 120 VAC.

REPLACEMENT OF DEFECTIVE RELAY/TIMER

1. Remove the electrical box cover of the Power Venter.

2. Mark the Black wire on defective Timer which is the load wire to the motor. This terminal will be marked BLK MOTOR, LOAD or be

the #1 Terminal if replacing an Airotronics Timer. Remove the defective Timer and (4) plastic stand offs if necessary.

3. Place the 120 VAC supply L1 Black wire on Terminal 2. Place the White L2 wire on Terminal 3 and place the Black Motor Load wire

on Terminal 1, (See Diagram A).

NOTE: When the 120 VAC Supply power is first established to the Relay/Timer, it may automatically reset into post purge. After the

venter operates for approximately 45 seconds it will shut off and be ready for normal operation.

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

MOTOR (BLACK)

L1 (BLACK)

(WHITE)

LOAD

DIAGRAM 1 TIMER/RELAY OUTPUT

50/60 HZ

120 VAC

DIAGRAM A

1/4 H.P. @ 120 VAC