Nortek WRC2 Service manual

NORTEK GLOBAL HVAC, LLC
Installation Instructions / Owner's Manual
Controller
●Please read this owner’s manual carefully before operation and retain it for future reference
●Specifications & illustrations subject to change without notice or incurring obligations
Wired Controller WRC2

User Notice
Please carefully read this manual before installation and operation of this product.
Keep it for future reference. Please note the symbols below.
WARNING!
Failure to comply will result in severe personal injury, property damage and/or
death.
CAUTION! Failure to comply could result in personal injury and/or property damage.
CAUTION!
Do not install the wired controller in a damp area or in direct sunlight.
Handle controller carefully. Do not frequently assemble/disassemble the wired controller.
Controller must be kept dry. Do not operate the wired controller with wet hands.
Do not install or remove the wired controller yourself. If necessary, please contact a qualified
technician.
This wired controller can be used with various kinds of air conditioners. Some functions do not apply to
the duct type air conditioners, and will not be covered in this manual.
Before operating the air conditioner, please read this manual carefully and keep it for future reference.

Contents
1 Introduction to the Wired Controller ..............................................1
1.1 LCD Icon Indicators............................................................................. 1
1.2 LCD Icon Descriptions........................................................................ 2
2 Controls.........................................................................................3
2.1 Buttons.................................................................................................. 3
2.2 Buttons Function.................................................................................. 3
3 OPERATION INSTRUCTION .............................................................4
3.1 On/Off.................................................................................................... 4
3.2 Mode Setting........................................................................................ 5
3.3 Temperature Setting............................................................................ 5
3.4 Fan Speed Setting............................................................................... 6
3.5 Right and Left Swing........................................................................... 6
3.6 Up and Down Swing............................................................................ 7
3.7 Timer Setting........................................................................................ 8
3.8 Air Exchange Setting........................................................................... 9
3.9 Sleep Setting...................................................................................... 10
3.10 Health Setting .................................................................................. 13
3.11 I-Demand Setting............................................................................. 13
3.12 Vacation Setting............................................................................... 14
3.13 TURBO Function Setting................................................................ 15
3.14 SAVE Function Setting................................................................... 16
3.15 E-HEATER Setting.......................................................................... 20
3.16 Blow Function Setting..................................................................... 22
3.17 Clean-Filter Reminder Setting....................................................... 22

3.18 Quiet Function Setting.................................................................... 25
3.19 Ultra-Dry Setting.............................................................................. 26
3.20 Other Functions............................................................................... 26
4 Wired Controller Installation........................................................28
4.1 Standard Parts ................................................................................... 28
4.2 Installation Location and Requirements......................................... 29
4.3 How to Install the Wired Controller................................................. 29
4.4 How to Remove the Wired Controller............................................. 30
5 Error Display................................................................................30

Wired Controller WRC2
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1 Introduction to the Wired Controller
Fig.1 Appearance of the Wired Controller
1.1 LCD Icon Indicators
Fig.2 Appearance of the LCD

Wired Controller WRC2
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1.2 LCD Icon Descriptions
Table 1
No. Icons Description
1 Left and right swing function
2 Up and down swing function
3 Air exchange function
4 Sleep function
5 Auto mode
6 Cooling mode
7 Dry mode
8 Fan mode
9 Heating mode
10 Health function
11 I-Demand function
12 Vacation function
13 Status display of master and slave wired controller
14 Shield function The button operation, temperature setting, "On/Off" operation, "Mode"
setting, and "Save" setting are disabled (“shielded”).
15 Fan speed
16 MEMORY function The unit will resume the original setting status after recovery from power
outage.
17 Turbo function
18 Energy-saving function
19 Ambient/setting temperature

Wired Controller WRC2
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20 Electric heater
21 Blow function
22 Defrost function
23 Filter cleaning
24 Timer Setting
25 Keycard control / Detected status sensed by human body
26 Quiet function
27 Lock function
2 Controls
2.1 Buttons
Fig. 3 Press Buttons
2.2 Buttons Function
Table 2
No. Press Buttons Function Introduction
1 Enter/Cancel Function selection and canceling;
Press it for 5s to display the outdoor and indoor ambient temperature.
2 ▲Running temperature setting of indoor unit, range: 16~30°C (61°~86°F).
Timer setting, range:0.5-24hr
Air function setting
Save setting
Clean setting
6 ▼

Wired Controller WRC2
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3 Fan Select fan speed from high, medium-high, middle, medium-low, low, and
auto levels.
4 Mode Select Cooling, Heating, Fan, Auto or Dry mode.
5 Function Switch among these functions Swing / Air/ Sleep / Health / I-Demand / Vacation /Turbo / Save / E-Heater
/ Blow / Quiet
7 Timer Timer setting
8 On/Off Turn on/off indoor unit
4 mode
+ 2 ▲ MEMORY
Press Mode and ▲at the same time for 5s when unit is turned off to
activate/deactivate memory function (After a power outage, if Memory is
set, indoor unit will resume original setting state after power recovery. If
Memory setting is not on, unit will remain off after power recovery. The
default setting is for Memory function to be ON)
2 ▲
+ 6 ▼ Lock When unit is off or on, press ▲and ▼ buttons at the same time for 5s to
Lock the controller buttons. No other buttons will operate while in Lock
setting. Repress ▲ and ▼ again for 5s to exit Lock state.
4 mode
+ 6 ▼ °F/°C With unit turned off, press the Mode and ▼ at the same time for 5s to switch the temperature scale between Celsius and Fahrenheit.
3 OPERATION INSTRUCTION
3.1 On/Off
Press the On/Off button to turn on or off the unit.
Notes:
①Fig.4 indicates the OFF state of the unit after startup.
②Fig.5 indicates the ON state of the unit
Fig. 4 OFF State of the Unit Fig. 5 ON State of the Unit

Wired Controller WRC2
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3.2 Mode Setting
Under ON status, press the Mode button to switch the operation modes as shown
in Fig. 6:
Fig. 6
3.3 Temperature Setting
Press ▲ or ▼button to increase or decrease temperature setting under ON status.
Pressing and holding either button will increase or decrease temperature setting by,
1°C (2°F) every 0.5s.
In Cooling, Dry, Fan and Heating mode, temperature setting range is 16°C~30°C
(61°~86°F).
In Auto mode, the temperature setting can’t be changed.
Fig. 7 Temperature Setting