Table of Contents
Advertisement
Quick Links
View these instructions online at www.lbwhite.com
Kit Contents:
DESCRIPTION
Instruction
Inlet hood
Bag of terminals and hardware
Air inlet with transition duct
Motor, air inlet
Black 8 1/2 in. wire
Air proving switch
Exhaust fan
Duct kit (12 ft. x 6 in.)
Qualifications for installation:
• You must read and understand these instructions before beginning the installation.
• You must have sufficient experience to install the kit and test for proper operation.
• All wiring must be done in accordance with local codes. In absence of local codes, follow ANSI/NFPA 70,
National Electrical Code.
General Information
Proper installation for heaters located within the greenhouse requires air exchange as follows:
An exhaust fan capable of providing the following discharge air:
-- Therma Grow™ 120/120 Plus heaters: 300 cfm.
-- Therma Grow™ 220/220 Plus heaters: 550 cfm.
A shuttered air inlet louver of 120 sq. in. area used with an L.B.White specified air inlet duct kit with restrictor plate.
The inlet shutter and exhaust fan must be electro-mechanically operated and electrically interlocked with the heater.
Discussion
This kit consists of a properly sized motorized air inlet shutter, flexible duct, and exhaust fan. All items must be installed when
the heater is located within the greenhouse.
WORLD PROVIDER - INNOVATIVE HEATING SOLUTIONS
411 Mason Street, Onalaska, WI 54650 • 800-345-7200 • 608-783-5691 • 608-783-6115 (fax) • www.lbwhite.com
INSTALLATION INSTRUCTIONS
Indoor Ventilation Kit
QTY.
1
1
1
1
1
1
1
1
1
Therma Grow 120/220
120/220 Plus
Tools required:
-- Electric drill with 1/8 in. drill bit
-- Electrical wire stripping / crimping tool
-- 1/4 in. and 5/16 in. nut drivers
-- Standard screwdriver
-- Small adjustable wrench
-- Saw
-- Level
Materials required:
-- Sealant caulk
-- Framing material (if needed)
-- Approved electrical wiring of proper gauge
-- Electrical fittings
-- Electrical junction box
-- Electrical tape
Advertisement
Table of Contents
Related Manuals for L.B. White Therma Grow 120
Summary of Contents for L.B. White Therma Grow 120
-
Page 1: Tools Required
-- Therma Grow™ 220/220 Plus heaters: 550 cfm. A shuttered air inlet louver of 120 sq. in. area used with an L.B.White specified air inlet duct kit with restrictor plate. The inlet shutter and exhaust fan must be electro-mechanically operated and electrically interlocked with the heater. - Page 2 Indoor Ventilation Kit A. Air Inlet Location FIG. 1C Side View Ideally the air inlet shutter should be located as shown in Fig.1A, 1B, and 1C. However, it may also be installed in any other location on the end or side wall, especially if water, gas, or electrical lines create interference.
- Page 3 Indoor Ventilation Kit B. Air Inlet Installation and Assembly D. Wiring the Exhaust Fan and Air Inlet (Refer to Fig. 2) Shutter Motor to the Heater 1. From the exterior, slide the air inlet through the 1. Select a location for an electrical junction box near opening.
- Page 4 Indoor Ventilation Kit FIG. 2 #10 X 1/2 SCREW (22) SCREW 10-32 X 3/8 (4) TRANSITION PUSH MOTOR AND INLET HOOD SLEEVE BRACKET TOWARD WALL THEN TIGHTEN SCREWS MOTOR WITH BRACKETS MOTOR MOTOR ARM AIR PROVING SHUTTER SWITCH LINKAGE NUT 10-32 WITH SCREW 1/4 X 3/8 (2) STAR WASHER (4) #10-32 X 1 1/4...
- Page 5 Indoor Ventilation Kit 2. Connect the kit’s 8 1/2 in. black wire and the motor FIG. 4 wire to the kit’s three way terminal. See Fig.7. Connect DRILLED PILOT HOLES this assembly to terminal IND on the ignition control. FIG. 7 8 1/2 IN.
- Page 6 Indoor Ventilation Kit 2. Make two electrical leads of proper length and b. After 5 seconds, the heater’s fan motor will stop. gauge. Attach terminals from the kit to these leads. When the heater’s fan motor stops, the shutter See Fig. 9. motor will close the air inlet and the exhaust fan motor will stop.
- Page 7 Indoor Ventilation Kit FIG. 10 500-25314 SHUTTER MOTOR 500-26012 BRACKET WITH MOUNTING SCREWS AND NUTS 500-26013 SPRING 500-26015 LEVER WITH SCREW, SPACER, AND WASHERS 500-26034 INLET HOOD WITH SCREWS 500-26033 AIR PROVING SWITCH WITH BRACKET, COVER, AND SCREWS 500-25994 INLET SHUTTER WITH TRANSITION Therma Grow ™...
- Page 8 Therma Grow ™ 120 and 22 Wiring the Air Inlet and Exhast Fan BUTT SPLICE WIRE FROM IGNITION CONTROL WITH LEAD "A" TERMINAL REMOVED HEATER AIR PROVING SWITCH BLACK THREE WAY MOTOR TERMINAL LEAD "B" AIR INLET AIR PROVING SWITCH EXISTING JUNCTION WIRING...
Need help?
Do you have a question about the Therma Grow 120 and is the answer not in the manual?
Questions and answers