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Friedrich
Air Conditioner
PTAC Series
Friedrich PTAC Series Service Manual
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PT
AC - PD Series (Electronic Controls)
Packaged
T
erminal
Air Conditioners
Packaged
T
erminal Heat Pumps
PD-ServMan-E (
2
-10)
Service Manual – R410A
M
o
d
e
l
s
2
Table of Contents
Table of Contents
3
Important Safety Information
4
Introduction
6
Unit Identification
7
Component Identification
8
Chassis Specifications
9
Performance Data
9
Electrical Rating Tables
11
Power Cord Information
11
Control Connections
12
Room Thermostats
12
Remote Thermostat Control
12
Remote Wall Thermostat / Low Voltage Wire Connections
12
Digital Control Features
13
Digital Control Operation
15
Digital Control User Input Configuration
16
Optional Hand Held Remote Control Operation
17
Digital Control Diagnostics & Test Mode
17
Test Mode
18
Electronic Control Error Code Diagnostics
18
Components Testing
19
Refrigeration System Sequence of Operation
21
Sealed Refrigeration System Repairs
22
Refrigerant Charging
22
Method of Charging
23
Undercharged Refrigerant Systems
23
Overcharged Refrigerant Systems
24
Restricted Refrigerant Systems
24
Hermetic Components Check
25
Metering Device
25
Capillary Tube Systems/Check Valve
25
Reversing Valve Description/Operation
26
Testing Coil
26
Checking Reversing Valves
26
Reversing Valve
27
Touch Testing Heating/Cooling Cycle
27
Procedure for Changing Reversing Valve
27
Compressor Checks
28
Locked Rotor Voltage Test
28
Single Phase Connections
28
Determine Locked Rotor Voltage
28
Locked Rotor Amperage Test
28
Checking the Overload
28
External Overload
29
Compressor Single Phase Resistance Test
29
Single Phase Running & Locked Rotor Amperage
30
Compressor Replacement
30
Routine Maintenance
31
Troubleshooting Charts
32
Troubleshooting Charts
33
Wiring Diagram Index
34
Wiring Diagrams for Cool with Electric Heat
35
Wiring Diagrams for Heat Pump with Electric Heat
36
Remote Thermostat Wiring Diagram
37
Technical Service Data
38
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Installation & Operation Guide
28 pages
Parts Manual
10 pages
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Friedrich PTAC Series Specifications
General
Fan Speeds
2 or 3
Refrigerant
R-410A
Voltage
230/208 V
Filter Type
Washable
Noise Level
50 - 55 dB
Dimensions
Approx. 16" H x 42" W x 16" D
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