4.10.1.2 Edit existing HVAC file for Design Model
Users can edit the “Design Model” in this section.
This navigator step will reopen the “HVAC System Design Wizard.” In the first step of the wizard, “General Setup & Zoning,” the HVAC file is set to “Existing,” and the user can select a pre-existing HVAC from the dropdown menu. The figure below shows this step:
HVAC System Design Wizard for editing existing HVAC file Step 1 of 4
For Step 2, “Design – Airside System Selection” and Step 3 “Design – Waterside and Plant Equipment Section” of the wizard, please refer to the previous section (4.10.1.1).
After making edits, user can directly run the room load calculation, system load calculation, or/and Energy simulation through the fourth step of the wizard, “HVAC Loads, Sizing & Reports” (similar to Step 4 in the previous section).
However if the user chooses the make further edit to the HVAC system, the user will have to uncheck the “HVAC Zone/Room loads and sizing,” “HVAC System loads and sizing” and “Simulation” boxes in the “Analysis & Reporting (Design)” section of Step 4 and click “OK” (bottom right side of the Navigator). This will redirect the user to the ApacheHVAC tool. The figure below highlights the “Analysis & Reporting” section of the wizard.
HVAC System Design Wizard for editing existing HVAC file Step 4 of 4
The ApacheHVAC will have the HVAC system selected by the user. The user can further edit the HVAC system, including but not limited to:
1. Selection of different equipment such as fan, pump, chillers, boilers, heat pumps, DX units, etc.
2. Control strategies of Demand Control Strategy (DCV), Economizer, Hot Water loop (HWL), Chilled Water Loop (ChWL), Condenser water loop (CWL), etc.
3. Optimization of existing systems like DX systems, HP systems, HWL system, ChWL systems, CWL systems etc.
For further detail on the ApacheHVAC, please watch the Lunch and Learn Videos listed below:
· Apache HVAC – Waterside & Plant
