Product Profile (2021)

ACCESSORIES INSTALLATION FreshAire

IAQ

Step 1: PTAC Installation

1. Remove decorative front cover, remove (6) screws holding wire mesh fan guard in place

2. Remove (6) screws on each side of the metal plate above the cooling coil.

3. Install lamp with magnetic shield on the backside of metal plate. Lamp should shine down between

coil and blower. Lamp will be in front of coil on PZ & PD models. Lamp cord to be fed through existing

fan wire chase.

4. Remove control panel screws to access incoming power source. PV & PD

models; install power supply under control panel using double sided tape. PZ

models: install power supply inside the control box

5. Using the spade and/or piggyback connectors, connect directly to a constant

power source terminals. Use a split loom to protect wires.

6. Connect power supply to lamp cord. Connect lamp cord to lamp. Use Zip-tie

and Zip-tie base to bundle and secure excess wire and lamp cord. (see wiring

diagram)

7. Apply warning/replacement sticker to the inside of the control panel cover.

Step 2: Power Supply Installation

IMPORTANT! Turn off main power source before starting PTAC installation.

1. Find a suitable location for the power supply. Friedrich recommends the front panel

of the control box area (see step 1 diagram). Install using the self -tapping screws or

double sided tape (recommended)

2. Use the wiring diagram below to connect to power. The high voltage (120-277 VAC)

power supply is marked “ST” (See ST diagram below)

3. o connect to power. The low voltage power supply (18 thru 32 VAC) is marked “ER”. The high voltage

(120-277 VAC) power supply is marked “ST”

Step 3: UV Lamp Connection

1. When all the other components are properly installed, connect the UV lamp cable to the power supply cable.

2. Make sure the anges are aligned and then push the connection rmly together. A tight connection ensures a

proper water-resistant seal.

Future Lamp Replacement

REMINDER! The germicidal UV lamp in UVT1 must be replaced every 2 years

NOTE: UV lamps will continue to emit visible light but lose germicidal effectiveness over time

1. Remove lamp from lamp clips one side at a time.

2. Replace with a new lamp and snap lamp into clips on each side

3. UV lamps contain small amounts of mercury. Dispose of lamps in accordance with local environmental

regulations

FreshAire® UV Single Bulb Germicidal UV Light Kit (UVT1)