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TemperZone UC8 User Manual
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Temperzone UC8 Operatio
n,
OSA models with
inverter
,
issue 1
Page
17
of
27
9.
Display messages
The following messages can be seen on the LED display.
Display
Meaning
Notes / factory setting
UC8
Controller n
ame
Shown only after power-
on
6.1.2-55
Software version and build number
HDE5A61E
Software identification code
dELAY
Start-up random delay time
●
Ready, normal operation
−
Unit is OFF by Remote On/Off signal
HOLd
The compressor is held-on or held-off by a timer
diFF-P
The pressure differential is too high for the inverter
compressor to start
16
18
Table of Contents
Default Chapter
2
Table of Contents
2
1 UC8 Circuit Board Input and Output Signals
4
Mains Power
4
Low Voltage Signals
4
Temperature Sensor Inputs
4
Pressure Transducer Inputs
4
Inputs HI, ME, LO, CAP and HT
5
Remote On/Off Input
5
Variable Speed Indoor Fan Control Input VF (0-10V)
5
Variable Capacity Control Input VC (0-10V)
5
Reverse Cycle Valve Output R/V
5
Solid State Relay Output SSR#1
5
Relay Outputs CMC, LOW, MED and HIGH, SSR#2
6
On-Status Output AUX
6
Input IN#1
6
Input IN#2
6
Modbus RTU Serial Communication Port 1
6
Modbus RTU Serial Communication Port 2
6
Electronic Expansion Valves
6
Inputs D1, D2 and D3
6
2 DIP Switch Settings
7
3 Digitally Communicating Thermostats: SAT-3 and TZT-100
8
Temperzone SAT-3 Room Thermostat
8
Temperzone TZT-100 Room Thermostat
8
Thermostat Communication Settings
9
4 Connecting to External Devices Using Modbus RTU over RS485
9
5 Connecting the Indoor Unit
10
Making a Reliable Connection between the Outdoor- and Indoor- Unit
10
Connecting 1 Outdoor Unit to 1 Indoor Unit
10
Connecting 1 Outdoor Unit to 2 Indoor Units
11
6 Capacity Control
11
0-10V Control
11
Supply Air Temperature Control
11
Automatic Control with SAT-3 or TZT-100 Thermostat
12
Modbus RTU Control
12
Oil Recovery (Oil Flush) Cycles
13
7 Dry Mode (De-Humidification)
13
Dry Mode and the SAT-3 Thermostat
13
Dry Mode and the TZT-100 Thermostat
14
8 Indoor Fan Control
14
Indoor Fan Speed Adjustment
15
Translation from 0-10V Fan Control Input Signal VF to a Fan Output Signal
16
9 Display Messages
17
10 Special Modes
19
Factory Test Mode: T
20
Commissioning Mode: C
20
Compressor Selection Mode: E
20
Supply-Air Temperature Control Option: y
20
Thermostat Auto-On/Off Options: O
21
11 Troubleshooting
22
Fault Codes
22
Inverter Fault Codes
24
12 UC8 Controller Circuit Board Specifications
25
Other manuals for TemperZone UC8
Troubleshooting Guide
24 pages
5
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TemperZone UC8 Specifications
General
Brand
TemperZone
Model
UC8
Category
Controller
Language
English
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