WHC4 Low Ambient Control Kit
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Product Information
Specifications:
- Product Name: Low Ambient Control Kit BAYLOAM011
- Compatibility: *WHC4, *TCC, *YCC, and *WCC units
- Installation Requirements: Compliant with NATIONAL, STATE, AND
LOCAL CODES - Date: November 2024
- Model Number: 18-HD60D10-1D-EN
Product Usage Instructions
Installation for WHC4 Units:
- Open and lock unit disconnect to avoid electrical shock.
- Remove the top cover of the unit and retain all screws for
re-installation. - Insert the EDC capillary tube into the indoor coil face area
through the provided rubber grommet. Ensure the tube end touches
the condensate drain pan. - Mount the EDC using the screws provided in the package.
- Cut the wire loop in half, strip insulation, and connect EDC
wires securely to the corresponding wires using insulated wire
connectors. - Reattach the top cover and screws.
- Close the unit disconnect and set the thermostat to the desired
temperature.
Installation for TCC, YCC, and WCC Units:
- Follow safety precautions by opening and locking the unit
disconnect. - Remove the coil, blower, and control box panels while retaining
all screws. - Mount the EDC with provided screws.
- Insert the EDC capillary tube into the indoor coil face area,
ensuring proper positioning as per unit type (fin and tube or
Micro-Channel coils). - Safely secure the capillary tube using wire ties and connect
the wire leads to the EDC terminals. - Route the leads through designated locations behind compressor
box, into blower area, and through rubber grommet into the control
box.
Frequently Asked Questions (FAQ)
Q: Who should install this product?
A: Only qualified personnel should install and
service the equipment to ensure safety and proper functioning.
Q: What should I do if I encounter loose wire strands during
installation?
A: Ensure that connectors securely clamp both
wires without any loose strands protruding to prevent electrical
hazards.
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Installer’s Guide
Low Ambient Control Kit BAYLOAM011
Used with: *WHC4 *TCC, *YCC and *WCC
Important: ALL phases of this installation must comply with NATIONAL, STATE, AND LOCAL CODES.
Note: * indicates an alpha character.
SAFETY WARNING
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person could result in death or serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that are attached to the equipment.
November 2024
18-HD60D10-1D-EN
General
The evaporator defrost control (EDC) is installed in the evaporator (indoor) coil face area. Its purpose is to cycle the compressor when the evaporator frosts under low outdoor ambient cooling conditions. The EDC will open at 0° F and de-energize the compressor circuit. After an increase in coil temperature the EDC will reclose at 50° F and restart the compressor.
Installation (WHC4 Units)
WARNING: Open and lock unit disconnect. Failure to do so may result in severe injury or death from electrical shock, or contact with moving parts.
Parts List 1. Two (2) 832 x 1/4 hex head screws 2. E.D.C. control with two (2) yellow wires attached 3. Two (2) insulated wire connectors 4. Two (2) yellow wires 60 inches long
1. Remove top cover of unit. Retain all screws for re-installation.
2. Insert EDC capillary tube down into the indoor coil face area thru the rubber grommet provided with unit. Make sure the capillary tube end touches the condensate drain pan (see adjacent figure). Coil excess capillary tube above grommet and be sure to keep clear of EDC electrical terminals.
3. Mount the EDC with the two (2) screws provided in package.
4. Cut wire loop in half and strip insulation back 1/2 Inch from end on both wires.
Figure 1.
5. Connect EDC wires to wires stripped in step 4 with insulated wire connectors provided in adjacent image. Make sure connectors clamp both wires securely and that no loose wire strands protrude from connectors.
6. Replace top cover and attach with previously retained screws.
7. Close unit disconnect and set thermostat to desired temperature for operation.
Figure 2.
2
18-HD60D10-1D-EN
Installation (TCC, YCC and WCC Units)
WARNING: Open and lock unit disconnect. Failure to do so may result in severe injury or death from electrical shock or contact with moving parts.
1. Remove the coil, blower and control box panels. Retain all screws.
2. Mount the EDC with the two (2) screws provided.
3. For unit with fin and tube coils, insert EDC capillary tube down into the indoor coil face area. Remove screws from corner of panel above the coil. Prop up to get clearance to feed capillary tube in coil. Make sure the capillary tube end touches the condensate drain pan. For unit with Micro-Channel coils, make sure the capillary tube is attached as shown in Figure 3.
BAYLOAM011
Figure 3.
General
CAPILLARY TUBE CABLE TIES
18-HD60D10-1D-EN
3
General
4. With provided wire ties, secure the EDC capillary tube to the coil as shown in Figure 4. Coil excess capillary tube and be sure to keep clear of the EDC electrical terminals. Note: Make sure not to twist the capillary tube.
Figure 4. Top View
5. Disconnect the two (2) short yellow wires from the EDC and connect the two (2) long wire leads (provided) to the EDC terminals.
6. Route the leads through grommet at EDC mount location. Continue by routing behind compressor box into blower area and through rubber grommet into control box. See Figure 5.
7. Remove the knockout in the control box barrier and insert the bushing in the hole and route the wires through the bushing.
8. Route the wire leads into the unit control box’s low voltage area and make connections per Figure 6.
9. With provided wire ties, secure the wire leads to prevent them from coming into contact with moving parts.
10. Replace all panels with screws retained in Step 1.
11. Close unit disconnect and set thermostat to desired operating temperature.
SWITCH E.D.C
CABLE TIES Loop cable ties through openings in coil to secure Bayloam
Figure 5.
GROMMETS
60″ WIRES (2X)
OUTPUT TUBE
UNIT CONTROL BOX AREA
Figure 6.
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18-HD60D10-1D-EN
Notes
18-HD60D10-1D-EN
5
Notes
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18-HD60D10-1D-EN
Notes
18-HD60D10-1D-EN
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About Trane and American Standard Heating and Air Conditioning Trane and American Standard create comfortable, energy efficient indoor environments for residential applications. For more information, please visit www.trane.com or www.americanstandardair.com.
The manufacturer has a policy of continuous data improvement and it reserves the right to change design and specifications without notice. We are committed to using environmentally conscious print practices.
18-HD60D10-1D-EN 18 Nov 2024 Supersedes 18-HD60D10-1C-EN (March 2023)
©2024
Documents / Resources
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TRANE WHC4 Low Ambient Control Kit [pdf] Installation Guide WHC4, TCC, YCC, WCC, WHC4 Low Ambient Control Kit, Low Ambient Control Kit, Ambient Control Kit, Control Kit |