TONGXING COMMERCIAL HVAC PROJECT BRIEF
Version: 2026-09-13
Reference: https://shangfenghvac.com/project-supply

HOW TO USE
Complete what is known. Mark unfinished items as "to be confirmed".
Complete only the equipment sections relevant to your project.
This worksheet organises an inquiry; it is not an equipment selection or design.
Paste the key requirements into https://shangfenghvac.com/contact.
List available drawings in your inquiry; our team can discuss how to share them.

1. PROJECT AND BUYER
Project name or internal reference:
Equipment installation country / region:
Purchasing company country / region:
Company and contact name:
Work email:
Purchasing role (contractor / importer / owner / consultant / other):
Building or facility use:
Project stage (planning / design / tender / purchase / replacement):
Equipment types and quantities:
Required purchase or delivery date:
Equipment budget amount, if known:
Budget currency:
Budget basis: equipment supply only; exclude building and installation costs.

2. COMMON SELECTION AND SUPPLY INPUTS
Available voltage / phase / frequency:
Design outdoor conditions and required operating range:
Operating hours and continuity requirements:
Installation location, access and service-space constraints:
Required technical or market documents for the quoted models:
Required controls, alarms and building-management interfaces:
Accessories requested from the equipment supplier:
Items supplied by the local contractor or other vendors:
Delivery location and requested delivery scope:
Outstanding design questions:

3. CHILLER SECTION
Application (comfort cooling / process / other):
Design cooling duty and units:
Design heating duty, if applicable, and units:
Entering / leaving water temperatures and units:
Design flow and units:
Fluid type and glycol concentration, if applicable:
Expected load profile and low-load operation:
Proposed number of modules:
Capacity required with a module unavailable, if specified:
Existing pumps, tank, controls and water connections:
Preferred catalogue model, if any:
Available equipment schedule, hydraulic drawing or selection report:

4. ROOFTOP UNIT SECTION
New installation or replacement:
Existing unit model and nameplate information:
Cooling and heating duties and units:
Required supply airflow and units:
Required external static pressure and units:
Supply / return discharge arrangement:
Ventilation, filtration and return / exhaust requirements:
Curb dimensions and supply / return opening drawings available:
Adapter or curb-work scope to be confirmed:
Existing controls and connection requirements:
Target changeover window and local contractor:

5. VRF SECTION
Number of apartments / rooms / zones:
Room-by-room cooling and heating load schedule available:
Design winter and summer temperatures:
Preferred indoor-unit types and quantities:
Proposed outdoor-unit locations:
Piping routes, lengths and height differences available:
Indoor / outdoor grouping or selection report available:
Separate ventilation equipment and scope:
Room controls, central management and monitoring requirements:
Required destination documents and local engineering checks:

6. PRECISION AIR-CONDITIONING SECTION
Facility type (data hall / server room / edge / other):
Current and future sensible heat loads and units:
Design entering-air conditions:
Room / rack layout and supply / return airflow arrangement:
Airflow and pressure conditions at the equipment interface:
Preferred arrangement (DX / chilled water / to be confirmed):
DX heat rejection and route information, if applicable:
Chilled-water temperatures and flow, if applicable:
Operating duty and required capacity during maintenance or outage:
Alarm, monitoring, restart and unit-coordination requirements:
Other cooling systems and the remaining room-air cooling duty:
Equipment and site interfaces handled by other parties:

7. INSTALLATION, COMMISSIONING AND SERVICE
Local installation and service company (appointed / selecting / unarranged):
Local engineer or technical contact:
Who will handle commissioning and ongoing service:
Remote support requested from Tongxing:
On-site support requested, if needed (scope and timing to be agreed):
Spare-parts and warranty questions for the quotation:
Available documents (equipment schedule / drawings / specification / other):

8. ITEMS TO CONFIRM BEFORE AN ORDER
Exact model schedule and configuration:
Performance selection and stated conditions:
Electrical and outline / connection drawings:
Included accessories and excluded site work:
Required model-specific documents and their availability:
Delivery terms, technical support and service responsibilities:
Unresolved questions and responsible parties:

Next step: https://shangfenghvac.com/contact