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Model description Equipment code
FreshAire 12V Control* 6613
DSS 6643
VRP 6603
Heat Pump PTAC/VTAC with a reversing valve B and electric Heat
with two fan speeds
1112
FreshAire PTAC 24V Control* 1012
* PTAC PVH models can connect either AC or DC control wiring:
PVH that finishes in -A connects to 24 V and runs with equipment code 1012;
PVH that finishes in -B might connect to 12 V and 24 V depending on the wiring
connection. If 12 V connected, runs on equipment code 6613. If 24 V is connected,
runs on equipment code 1012.
For more information on installation of the units see the pages below:
DSS unit-specific installation - pages 37-38
VRP unit-specific installation - pages 39-42
FreshAire PTAC unit-specific installation (the 12vdc method) - 43-46
General: Thermostat Configuration
Equipment codes
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