AIR-HANDLER VCD24 Air Conditioner Instruction Manual
- June 13, 2024
- AIR-HANDLER
Table of Contents
AIR-HANDLER VCD24 Air Conditioner
Product Information
Electric Heat Kit Model ECD3, 5, 8, 10, 15, 20, 25KW Series
The Electric Heat Kit is an optional accessory for air conditioning units that provides supplemental heating. It is available in sizes ranging from 3kW to 25kW to accommodate different heat loads and electrical requirements. The kit comes with various accessories including a foam gasket, screws, silicone breaker cover, circuit breaker label, and an electric auxiliary heating wiring diagram.
Specifications
- Number of circuit breakers: #
- Number of relays: #
- Number of power cord groups: #
- Number of power cord grounding screws: #
- Units without electrical heat: #
- Unit size: ECD3KW, ECD5KW, ECD8KW, ECD10KW, ECD15KW, ECD20KW, ECD25KW
- Voltage-Phase: VOITS-PHASE
- Rated current(A): #
- Minimum circuit amps: MIN CKT AMPS
- Branch circuit minimum wire size: MIN WIRE SIZE AWG*
- Fuse/circuit breaker amps: FUSE/CKT BKR AMPS
*Note: The minimum wire size may vary between different models. Please refer to the indoor unit’s nameplate for specific information.
Product Usage Instructions
- Before installation, ensure that the electric auxiliary heat module and supplied accessories are complete and undamaged. Do not proceed with installation if any damage is present.
- Open the upper cover of the air conditioning unit.
- Use appropriate tools to remove the knock-out holes on the upper cover.
- Remove the terminal block and power wires, loosen the screws, and take off the electric auxiliary heating cover.
- Install the electric auxiliary heating assembly at the front of the unit, ensuring that the support assembly locks into the support holes at the back of the cabinet.
- Wire the electric auxiliary heat module according to the wiring nameplate. Refer to the provided wiring diagram for guidance. Make sure to record the wiring configuration on the inside cover for future reference and maintenance.
- Install the upper cover and the silicone breaker cover.
- Apply the circuit breaker label near the silicone breaker cover.
Note: The installation of the electric auxiliary heat module should be performed by a licensed contractor. Take necessary precautions during the installation process.
IMPORTANT NOTE
Read this manual carefully before installing or operating your new air conditioning unit. Make sure to save this manual for future reference.
NOTICE
- Installation must be performed by a licensed contractor. Please take necessary precautions when performing the installation operation.
Accessories
| Name | Quantity | Name | Quantity |
|---|---|---|---|
| Manual | 2 | Silicone breaker cover | 1 |
| Foam gasket | 1 | Electric auxiliary heating wiring diagram | 1 |
| Screws | 7 | Circuit breaker label | 1 |
Model size selection
For installations requiring supplemental heating, the optional Electric Auxiliary Heat Module is available in sizes from 3kW to 25kW to accommodate appropriate sizing given the specific heat load and electrical requirements of each installation. Please refer to the table below for the selection of available sizes for each model, being sure to avoid improper matching.
NOTICE Only use matched modules certified for use with the model. Please refer to the ElectricAuxiliary Heat Model specification for additional details to ensure proper selection and installation.
Preparations for Installation
- Before installation, please confirm the electric auxiliary heat module and supplied accessories are complete and free of any damage. Do not attempt to install if damage is present.
Electric Auxiliary Heat Module Installation and Wiring Operation
Step 1
- Open the upper cover.
Step 2
- Use tools to remove the knock-out holes of the upper cover.
Step 3
Remove the terminal block and power wires, loosen the screws, and remove the
electric auxiliary heating cover.
Step 4
Install the electric auxiliary heating assembly the front, and note that the
support assembly must lock into the support holes in the back of the cabinet.
Step 5
Tighten the mounting screws.
Step 6
Wire according to the wiring nameplate. Apply the wiring diagram to the inside
cover wiring is completed for future reference and maintenance.
Step 7
Install the upper cover and the silicone breaker cover.
Step 8
After installing the electric auxiliary heat module, apply the circuit breaker
label near the silicone breaker cover that was just applied.
NOTICE
- Electric auxiliary heating wiring diagram packed with the accessories.
- If the branch circuit wire length exceeds 100 ft, consult NEC 210-19a to determine the maximum wire length.
- Use a 2% voltage drop.
- After the electric heating wiring is connected, please confirm before power on:
- Check all wiring and ensure secure connection of all wiring.
- Ensure that wire size is properly selected per NEC or local codes.
Specifications
| Number of circuit breakers|
Number of relays
| Number of power cord groups| Number of power cord grounding screws
---|---|---|---|---
3KW| 1| 1| 2| 2
5KW| 1| 1| 2| 2
8KW| 1| 2| 2| 2
10KW| 1| 2| 2| 2
15KW| 2| 3| 3| 3
20KW| 2| 4| 3| 3
25KW| 3| 5| 4| 4
Units without electrical heat
UNIT SIZE
| ****
VOITS-PHASE
| ****
Rated current(A)
| ****
MIN CKT AMPS
| ****
BRANCH CIRCUIT
---|---|---|---|---
**MIN WIRE SIZE AWG*| FUSE/CKT BKR AMPS
18K| 208/230-1| 2.0| 2.5| 14#| 15.0
24K| 208/230-1| 3.0| 4.0| 14#**|
15.0
30K| 208/230-1| 3.5| 4.5| 14#|
15.0
36K| 208/230-1| 4.0| 5.0| 14#|
15.0
48K| 208/230-1| 6.0| 7.5| 14#|
15.0
60K| 208/230-1| 7.0| 9.0| 14#|
15.0
Use copper wire only to connect the unit. If other than uncoated (non-plated) 75°C copper wire (solid wire for 10 AWG and smaller, stranded wire for larger than 10 AWG) is used consult applicable tables of the National Electric Code (ANSI/NFPA 70).
NOTICE
The specifications may be different between different models, please refer to the indoor unit’s nameplate.
UNITAuxilliary Heater Electrical Date
VCDxxSA25Electric auxiliary heating wiring diagram
- Due to ongoing product improvements, specifications and dimensions are subject to change and correction without notice or incurring obligations.
- Determining the application and suitability for use of any product is the responsibility of the installer.
- Additionally, the installer is responsible for verifying dimensional data on the actual product prior to beginning any installation preparations.
- Incentive and rebate programs have precise requirements as to product performance and certification.
- All products meet applicable regulations in effect on the date of manufacture; however, certifications are not necessarily granted for the life of a product.
- Therefore, it is the responsibility of the applicant to determine whether a specific model qualifies for these incentive/rebate programs.
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>