CARNES HXHAF Owner'S Manual And Reference Manual Download Page 7

RESIDENTIAL HUMIDISTAT

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Installation

Form 16763 

7

Humidistat Option 2 — Wall Mount

1.  Select a location in the living area of the residence. Typically the  

 

humidistat will be placed on the wall near the main thermostat. 

2.  The humidistat should be placed in an area of sufficient air movement 

 

 

and out of the way of any other temperature or humidity affects. For  

 

example, do not place the humidistat in direct sunlight, near windows,  

 

or near an air register.

3.  Once the location is selected, attach the humidistat back cover to the  

 

wall using 2 screws/anchors (E).

Note:

 The duct sensor is not needed for this installation option.

Outdoor Temperature Sensor

When outdoor air temperature is very low condensation can occur on  

windows and other surfaces which may cause damage to the house. To  

minimize this risk the outdoor air temperature sensor should be installed, which 

lowers the humidity setpoint to a safe level where the indoor relative humidity is 

too low to condense. The outdoor temperature compensation controls adjusts  

humidity according to the values in Table 1. The humidistat will automatically 

detect if the outdoor air temperature sensor is connected and control the relative  

humidity setpoint accordingly.

Summary of Contents for HXHAF

Page 1: ...READ AND SAVE THESE INSTRUCTIONS RESIDENTIAL HUMIDISTAT OWNERS MANUAL AND QUICK REFERENCE GUIDE MODEL HXHAF FORM 16763 ISSUED 07 31 20...

Page 2: ...al has been completely read and understood Important Note Disconnect electrical power to the furnace and humidifier before servicing or starting installation Liability Carnes does not accept any liabi...

Page 3: ...ring ODT 10 Heat Signal Wiring W 10 Automatic External Fan Control Wiring G GF 10 Humidifier Control Wiring H1 H2 10 Wiring Notes Cautions 11 Operation 12 Screen and Menu 12 Home Screen 12 Fan Heat Si...

Page 4: ...to Heat Only Mode and ON OFF control These settings are the basic setup for most homes and no adjustment is needed to function with your Carnes humidifier out of the box In winter climates it is highl...

Page 5: ...unt sensor indicate the direction the airflow should pass over the sensor for optimal readings Figure 1 3 Mount the humidistat to a wall or duct in a convenient location that allows easy adjustment to...

Page 6: ...UMIDISTAT 6 Form 16763 Figure 2 Duct Sensor Location Figure 3 Duct Sensor Connection Hook Up Away From Circuit Board Wire Colors Return Duct Locations for Duct Sensor Outdoor Air Intake Too Close To O...

Page 7: ...h the humidistat back cover to the wall using 2 screws anchors E Note The duct sensor is not needed for this installation option Outdoor Temperature Sensor When outdoor air temperature is very low con...

Page 8: ...ation wire distance between sensor and humidistat is less than 200 feet it can measure true outdoor ambient air temperature it is above the expected snow line Do NOT mount the sensor in direct sunligh...

Page 9: ...pulled out See Figure 4 for example installation CAUTION electrical interference can cause erratic system operation Donotroutetemperaturesensorwiringwithbuildingpowerwiring next to control contactors...

Page 10: ...d be completed when possible If the fan control wiring is not possible then the humidistat should only be ran in Heat Only Mode as described in the Operation section of this document The wire running...

Page 11: ...R REMOVE Figure 5 Humidistat Wiring Diagram Wiring Notes Cautions Do not connect duct sensor backwards Always verify the correct placement of the duct sensor terminal to the main humidistat board Veri...

Page 12: ...rnal duct sensor is unconnected and the on board room sensor is active DUCT The external duct sensor is connected and active Outdoor air temperature sensor is connected and active if unconnected outdo...

Page 13: ...ll be displayed when the outdoor temperature sensor is installed External fan and heat signals will also be displayed in the top right hand corner of the screen when active Fan Heat Signal Indicators...

Page 14: ...navigate the menu and the Enter button to select and confirm an option The Setpoint Adjustment option on the Settings screen shown in Figure 7 allows the user to adjust the desired relative humidity s...

Page 15: ...ing on user preference To save the value press the enter button again The new humidity setpoint should now be shown on the main screen Figure 7 Mode Selection Page While on the Mode Selection Page pre...

Page 16: ...l ON OFF control turns the humidifier on when the humidity level drops 10 below setpoint and turns the humidifier off 10 above setpoint Modulating control sends a 010 VDC signal to the humidifier to p...

Page 17: ...t The humidistat fan signal will turn on the furnace fan for three minutes to check the humidity level If below the setpoint the humidistat fan signal will stay on and humidify the space for a maximum...

Page 18: ...1 WireControlmodeallowstheuserto utilize the humidistat as a control bypass from a smart thermostat This functiongivescontrolofthehumidifiertoasmartthermostatthathasaonewire humidifier control output...

Page 19: ..._______________________________ ___________________________________________________________ ___________________________________________________________ ________________________________________________...

Page 20: ...owing two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation 448 S Main St PO...

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