Service and Parts Manual (2018, 2019, 2020, 2021, 2022)
Table Of Contents
- INTRODUCTION
- Important Safety Information
- Personal Injury Or Death Hazards
- Operation of Equipment in During Construction
- Model Number Reference Guide
- Serial Number Reference Guide
- Product Features
- General Specifications 7-9k Electric Heat
- General Specifications 7-9k Heat Pump Models
- General Specifications 12-15k Electric Heat
- General Specifications 12-15k Heat Pump
- Electrical Data
- Function and Control
- Refrigeration Sequence Of Operation
- Refrigerant System Diagram
- PTAC Installation Recommendations
- Wall Sleeve Installation Instructions (PDXWS)
- Alternate Wall Installations
- PXDR10 Drain Kit Installation
- External Drain
- PXGA Standard Grille
- Chassis Install Preparation
- Chassis Installation
- How To Connect
- Install WRT2 Wireless Programmable Thermostat
- Final Inspection & Start-up Checklist
- Refrigerant Charging
- Undercharged Refrigerant Systems
- Overcharged Refrigerant Systems
- Restricted Refrigerant System
- Sealed System Method of Charging/ Repairs
- Hermetic Components Check
- Reversing Valve Description And Operation
- Testing The Reversing Valve Solenoid Coil
- Checking The Reversing Valve
- Touch Test Chart : To Service Reversing Valves
- Compressor Checks
- Compressor Replacement -Special Procedure in Case of Compressor Burnout
- Basic Troubleshooting
- Malfunction Analysis
- Unit Lost Power
- Control Panel Does Not Work
- Malfunction of Temperature Sensor
- E4 Function Error
- E8 Function Error
- E9 Function Error
- Electric Heater Not Running
- Electric Heater Not Running
- 7K Cool+ Electric Heat 230 V
- 9K Cool+ Electric Heat 230v and 265v
- 12K Cool+ Electric Heat 230v and 265v
- 15K Cool+ Electric Heat 230v
- 7K Cool+ Heat Pump 230v
- 9K Cool+ Heat Pump 230v and 265v
- 12K Cool+ Heat Pump 230v and 265v
- 15K Cool+ Heat Pump 230v
- PZE07K3SB,PZE09K3SB, PZE09R3SB, PZE12K3SB, PZE12R3SB, PZE15K3SB
- PZH07K3SB, PZH09K3SB, PZH09R3SB, PZH12K3SB, PZH12R3SB, PZH15K5SB
- Reference Sheet of Celsius and Fahrenheit
- Resistance Table of THERMISTORS (5K)
101 PB
ACCESSORIES
31
New Construction Accessories
PDXDAA
LATERAL DUCT ADAPTER Attaches to the Friedrich PTAC/PTHP unit to direct
up to 35% of the total airow to a second room. The unit mounted duct plenum
features a front mounted aluminum grille that has two positions to provide the
most optimal air direction. The air may be directed to either the left or the right of
the unit through the supplied 3.5 H" x 7 W" x 47" L plenum. Plenum may be cut
to length by the installer. Kit includes duct plenum, front grille, 47" duct extension,
duct discharge grille, duct end cap and all necessary mounting hardware.
PDXDEA
LATERAL DUCT EXTENSION Additional 3.5 H" x 7" W x 47" L plenum for use
with the LATERAL DUCT ADAPTER. A maximum of 3 duct extensions total may
be used. Note: Ducted airow is reduced as duct length is increased.
PXFTA
REPLACEMENT FILTER PACK These are original equipment return air lters.
They are reusable and can be cleaned by vacuuming, washing, or blowing out,
and are sold in convenient ten-packs. (Two lters per chassis).
PXDR10
CONDENSATE DRAIN KIT Attaches to the bottom of the wall sleeve for internal
draining of condensate or to the rear wall sleeve ange for external draining.
Recommended on all units to remove excess condensate.
Packaged in quantities of ten.
RT7
DIGITAL REMOTE WALL THERMOSTAT Single stage cool, single stage heat
for PDE models or single stage cool, dual stage heat for PDH model thermostat
features high/low fan speed switch. Thermostat is hard wired and can be battery
powered or unit powered. Features backlit display and multiple conguration
modes. For use on PD-series Friedrich PTACs and Vert-I-Paks.
WRT2
DIGITAL THERMOSTAT Wireless, single stage, wall-mounted digital thermostat
with two fan speeds. Features backlit display and multiple conguration modes.
PDXRTA
REMOTE THERMOSTAT ESCUTCHEON KIT This kit contains ten escutcheons
that can be placed over the factory control buttons when a remote wall mounted
thermostat is used. The escutcheon directs the guest to the wall thermostat for
operation and retains the LED window to display error codes and diagnostic
information.
FRIEDRICHLINK® ENERGY MANAGEMENT THERMOSTAT Integrated oc-
cupancy sensor uses a combination of motion and thermal sensing technologies
for accurate occupancy detection. Reliable occupancy detection allows saving en-
ergy when rooms are unoccupied. Energy saving presets eliminate the guesswork
and make it easy to adjust the energy saving settings.
EMWRT2 Wireless thermostat with occupancy sensor.
EMRT2 Wired thermostat with occupancy sensor.
RT7P