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READ AND SAVE  

THESE INSTRUCTIONS

COmmERCIAl HUmIDISTAT

OwNERS mANUAl AND  

qUICk REfERENCE gUIDE

mODElS 

HXHAS, HXHAST, 

HXHAw, HXHAwT

FORM 16767

ISSUED: 03-10-21

Summary of Contents for HXHAS

Page 1: ...READ AND SAVE THESE INSTRUCTIONS commercial humidistat owners MANUAL and quick reference guide Models hXHAS hXHAST hXHAW hXHAWT FORM 16767 ISSUED 03 10 21...

Page 2: ...nstall use or operate this equipment until this manual has been completely read and understood Important Note Disconnect electrical power to the furnace and humidifier before servicing or starting ins...

Page 3: ...n 7 Outdoor Temperature Sensor 8 Location Outdoors 9 Location in Outdoor Air Intake 10 Wiring 11 Power Connection Wiring R C 12 Outdoor Temperature Sensor Wiring ODT 12 Humidifier Control Wiring H1 12...

Page 4: ...W A Humidistat E Drywall Anchors and Screws 2 each HXHAWT A Humidistat C Outdoor Air Temperature Sensor E Drywall Anchors and Screws 2 each HXHAS A Humidistat B Duct Sensor D Sheet Metal Screws 3 E Dr...

Page 5: ...ation and multiple modes of operation to fit any humidification need The two types of installations are wall mounted and duct mounted and are offered in differing packages upon ordering The multiple m...

Page 6: ...t the humidistat remove the back plate and install with screws D or E through the mounting holes 4 CAUTION do not plug or un plug the duct sensor with power applied to the humidistat the humidity sens...

Page 7: ...n with reasonable air flow for accurate environmental measurements 2 The humidistat should be placed in an area of sufficient air movement and out of the way of any other temperature or humidity affec...

Page 8: ...is very low condensation can occur on windows and other surfaces which may cause damage to the structure To minimize this risk the outdoor air temperature sensor should be installed The outdoor air te...

Page 9: ...separate from the humidistat cable See Figure 5 for wiring diagram Exterior Wall Installation To mount the Outdoor Temperature Sensor outdoors the signal wire will need to penetrate an exterior wall...

Page 10: ...E outside Furnace Fresh Air Intake Outdoor Air Intake Duct Installation Mount the sensor in an outdoor air intake by drilling a inch hole within 8 inches of outside Angle the hole towards the outside...

Page 11: ...commercial humidistat Installation Form 16767 11 Wiring TURN POWER OFF TO ALL HVAC EQUIPMENT BEFORE WIRING Figure 5 Humidistat and High Limit Humidistat Field Wiring...

Page 12: ...on the humidistat terminal block as shown in Figure 5 Humidifier Control Wiring H1 The humidifier control terminal is labeled on the humidistat terminal block as H1 This terminal will need to be wired...

Page 13: ...s The Carnes universal humidistat will come set up in the pre designated configuration but has the ability to change and operate in different control modes depending on the application The modes are s...

Page 14: ...er The demand signal in this mode can be either on off or a modulating 0 10VDC When measured humidity is 3 RH above the setpoint the demand signal will be zero When measured humidity reaches 3 RH belo...

Page 15: ...d will back off when the measured humidity is greater than the setpoint The high limit humidistat typically works in conjunction with a wall humidistat to prevent duct work from becoming saturated by...

Page 16: ...own Enter Up Active Sensor ROOM The external 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 c...

Page 17: ...ngs screen with user selectable options Use the Up Down buttons to navigate the menu and the Enter button to select and confirm an option Setpoint Adjustment Page While on the Setpoint Adjustment Page...

Page 18: ...Units Option commercial humidistat 18 Form 16767 Units Option The Units option allows the user to select temperature display units in Fahrenheit or Celsius Fahrenheit is the default...

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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