Summary of AA-HB-TGD-01F
Page 1
Hb controller technical guide.
Page 2
Table of contents controller overview ......................................................................................................................................... 3 general .....................................................................................................................
Page 3
Overview 3 hb controller technical guide general the hb controller is designed to work with a normal 24 vac thermostat and dehumidistat. Single or multi-stage thermostats can be used. When a single-stage thermostat is used, an auto-staging feature is built-in for multi-stage hb units. Fan speed can ...
Page 4
Sequence of operations hb controller technical guide 4 fan mode the hb controller supports 2 different supply fan confi gurations. It can be confi gured for adjustable two-speed fan or two-speed fan. On a call for “g,” the supply fan runs at low speed. Minimum on and off times are maintained in the ...
Page 5
Sequence of operations 5 hb controller technical guide controller sequence of operations dehumidifi cation mode (no reheat) note: if the hb controller is confi gured for 1 stage of cooling, regardless of the supply fan confi guration, the dehu- midifi cation call on “rh” is ignored during this mode....
Page 6
Sequence of operations hb controller technical guide 6 controller sequence of operations sat lockout modes note: the sat lockout modes only apply if a supply air temperature sensor is installed on the hb unit. Sat high temperature limit cut off mode during the heating mode, if the supply air tempera...
Page 7
Installation & wiring 7 hb controller technical guide controller installation & wiring controller mounting it is important to mount the controller in a location that is free from extreme high or low temperatures, moisture, dust, and dirt. Be careful not to damage the electronic components when mount...
Page 8
Zone zone installation & wiring 8 hb controller technical guide controller installation & wiring figure 3: single-stage t-stat wiring for hb unit with 1-stage cooling & 1-stage heating gnd v10 c2 c1 a2 tb3 a1 w3 w2 w1 y2 y1 g rh c (gnd) r p10 power r67 r66 c30 sat tb1 single-stage thermostat 1-cool ...
Page 9
Installation & wiring 9 hb controller technical guide gnd v10 c2 c1 a2 tb3 a1 w3 w2 w1 y2 y1 g rh r p10 power r67 r66 c30 sat tb1 dehumidistat (24vac) normally open dh dh single-stage thermostat 1-cool / 1-heat (24vac) w1 y1 rh rc c g 24vac power supply 24vac to economizer clogged filter indicator (...
Page 10
Zone zone installation & wiring 10 hb controller technical guide gnd v10 c2 c1 a2 tb3 a1 w3 w2 w1 y2 y1 g rh r p10 power r67 r66 c30 sat tb1 dehumidistat (24vac) normally open dh dh single-stage thermostat 1-cool / 1-heat (24vac) w1 y1 rh rc c g 24vac power supply 24vac to economizer clogged filter ...
Page 11
Installation & wiring 11 hb controller technical guide gnd v10 c2 c1 a2 tb3 a1 w3 w2 w1 y2 y1 g rh c (gnd) r p10 power r67 r66 c30 sat tb1 multi-stage thermostat 2-cool / 2-heat (24vac) w2 w1 y1 y2 rh rc c g dehumidistat (24vac) normally open dh dh 24vac power supply 24vac to economizer clogged filt...
Page 12
Zone zone installation & wiring 12 hb controller technical guide gnd v10 c2 c1 a2 tb3 a1 w3 w2 w1 y2 y1 g rh r p10 power r67 r66 c30 sat tb1 multi-stage thermostat 2-cool / 3-heat (24vac) w3 w2 w1 y1 y2 rh rc c g dehumidistat (24vac) normally open dh dh 24vac power supply 24vac to economizer clogged...
Page 13
Installation & wiring 13 hb controller technical guide controller installation & wiring external c7 internal econo gnd rab pos tb2 mhgrv reset jo2 jo1 econo pos pos rab optional jumper locations for external control external control inputs 0-10vdc input signal for modulating hot-gas reheat 2-10vdc e...
Page 14
Zone zone programming 14 hb controller technical guide entering passcodes the hb service tool is used to program setpoints and view the status of the hb controller. It is connected to the hb controller by means of a modular cable. The cable is connected between the hb service tool and the hb control...
Page 15
Programming 15 hb controller technical guide the other available module screens are listed below in the order that they would appear as you scroll down. Cooling module heating module factory options should not be accessed without contacting aaon ® or wattmaster. Warning: the factory options settings...
Page 16
Zone zone programming 16 hb controller technical guide program time line #2 displays the time, in 24-hour (military) format, that the hb controller software was created. Program version line #2 displays the hb controller software version number. Reset counts line #2 displays the total number of time...
Page 17
Programming 17 hb controller technical guide adjustable two-speed supply fan low-speed signal description min. Default max. Low speed fan signal 1.0 vdc 3.0 vdc 10.0 vdc adjust the desired low-speed output signal for adjustable two-speed fan confi gurations by pressing the up or down adjust arrow ke...
Page 18
Zone zone programming 18 hb controller technical guide low supply air temperature cutoff description min. Default max. Supply air low temperature limit cut off 32ºf 40ºf 80ºf adjust the low supply air temperature cutoff and then press the enter key. The value must be below the economizer oat enable....
Page 19
Programming 19 hb controller technical guide condenser fan deactivation temperature the condenser fan deactivation temperature is a factory setting and should not be changed unless authorized to do so by wattmaster or aaon ® technical support. Auto stage-up time description min. Default max. Auto st...
Page 20
Zone zone programming 20 hb controller technical guide heating stage 3 energized line #2 displays “yes” if there is a 24 vac signal on hb controller terminal “w3.” fan status line 2 displays the current supply fan status. If the supply fan is on, line #2 displays either “fan low speed” or “fan high ...
Page 21
Programming 21 hb controller technical guide heating fan off delay description min. Default max. Fan off delay period 1 sec 120 sec 180 sec the heating fan off delay is a factory setting and should not be changed unless authorized to do so by wattmaster or aaon ® techni- cal support. Auto stage-up t...
Page 22
Zone zone programming 22 hb controller technical guide programming with the hb service tool outdoor air temperature line #2 displays the current outdoor air temperature. Fan status line #2 displays the current supply fan status. If the supply fan is on, line #2 displays either “fan low speed” or “fa...
Page 23
Programming 23 hb controller technical guide programming with the hb service tool co2 minimum position with high-speed fan description min. Default max. Min. With high-speed fan 0% 5% 100% adjust the economizer minimum position during high-speed supply fan operation when co 2 levels are below the mi...
Page 24
Zone zone programming 24 hb controller technical guide programming with the hb service tool rab position line #2 displays the current return air bypass damper position. Cooling relay #1 line #2 displays “on” if cooling relay #1 is active. Cooling relay #2 line #2 displays “on” if cooling relay #2 is...
Page 25
Programming 25 hb controller technical guide programming with the hb service tool force mode module screens the force mode module screens are accessed by navigating to the force mode module screen and pressing the enter key. After pressing enter, the following screen will appear: press the down sele...
Page 26
Zone zone programming 26 hb controller technical guide programming with the hb service tool economizer force adjust the economizer percentage up or down to position the econo- mizer where needed and then press the enter key. Return air bypass force adjust the return air bypass damper percentage up o...
Page 27
Programming 27 hb controller technical guide programming with the hb service tool co2 minimum position with high-speed fan description min. Default max. Min. With high-speed fan 0% 5% 100% adjust the economizer minimum position during high-speed supply fan operation when co 2 levels are below the mi...
Page 28
Zone zone programming 28 hb controller technical guide programming with the hb service tool hb processor board hb processor board status screens if your hb controller is equipped with the hb processor board, you can access the available status and setpoint screens by using the program- ming directio...
Page 29
Programming 29 hb controller technical guide programming with the hb service tool slide adjust line #2 displays the current slide adjust value based on the slide posi- tion on the space temperature sensor. Press the enter key to continue to the next screen. Bad room temp line #2 displays “yes” if sp...
Page 30
Zone zone programming 30 hb controller technical guide programming with the hb service tool cooling setback using the adjust keys, adjust up or down for the desired night setback for cooling and then press the enter key. Heating setback using the adjust keys, adjust up or down for the desired night ...
Page 31
Programming 31 hb controller technical guide programming with the hb service tool note: time must always be entered in 24-hour format. The example shows how an 8:00 a.M. (08:00 hrs) start time for event one on monday would be set. Stop time press the left arrow key once for the hours and the right a...
Page 32
Zone zone programming 32 hb controller technical guide programming with the hb service tool hot gas reheat controller hot gas reheat status screens if your hb controller is equipped with the hgr controller board, you can access the available status and setpoint screens by using the programming direc...
Page 33
Programming 33 hb controller technical guide hgr program time line #2 displays the time that the hgr controller software was created in military time or 24-hour format. Hgr controller program version line #2 displays the hgr controller software version number that is currently installed on the contr...
Page 34
Zone zone mhgrv module settings 34 hb controller technical guide supply air temperature you can set the desired discharge air temperature setpoint using the dip switch labeled setpoint on the mhgrv module. See figure 9 for location and dip switch setting instructions. The mhgrv module will allow you...
Page 35
Mhgrv module settings 35 hb controller technical guide when a change is made to the dip switch settings for either the setpoint or reset, power does not have to be cycled in order for the controller to read their values. The dip switch settings and their corresponding setpoints can be changed while ...
Page 36
Zone zone troubleshooting 36 hb controller technical guide using leds to verify operation the hb controller is equipped with leds that can be used as very powerful troubleshooting tools. The hb controller circuit board has three differently colored leds. See figure 11 for the various led locations. ...
Page 37
Appendix 37 hb controller technical guide appendix the hb controller has many setpoints that are user-adjustable. This adjustability allows the installer complete control of all major unit operating characteristics during the setup and commissioning phase of the hb unit installation. It also gives a...
Page 38
Zone zone appendix 38 hb controller technical guide condenser fan control setpoints description min. Default max. Liquid line cut out temperature 75ºf 85ºf 95ºf liquid line cut in temperature 95ºf 105ºf 115ºf table 12: condenser fan control setpoints miscellaneous control setpoints description min. ...
Page 39
Appendix 39 hb controller technical guide appendix temperature to resistance/voltage chart temp ( °f) resistance (ohms) voltage @ input (vdc) -10 93333 2.98 -5 80531 2.94 0 69822 2.89 5 60552 2.83 10 52500 2.77 15 45902 2.71 20 40147 2.64 25 35165 2.57 30 30805 2.49 35 27140 2.41 40 23874 2.33 45 21...
Page 40
Zone zone notes 40 hb controller technical guide.
Page 41
Notes 41 hb controller technical guide.
Page 42
Zone zone index 42 hb controller technical guide 1 or 2 stage cooling units with adjustable two-speed or two-speed supply fan control for economizer dehumidifi cation.......4 1 stage cooling with adjustable two-speed or two-speed supply fan control for dehumidifi cation with hgr.......5 2 stage cool...
Page 43
Index 43 hb controller technical guide cooling relay #1.......17, 23 for dehumidify.......23 cooling relay #1 force.......26 for force mode.......26 cooling relay #2.......17, 24 for dehumidify.......24 cooling relay #2 force.......26 for force mode.......26 cooling setback.......30 hb processor set...
Page 44
Zone zone index 44 hb controller technical guide fan signal.......17, 22, 23 for cooling.......17 for dehumidify.......23 for economizer.......22 for heating.......20 fan signal force.......25 for force mode.......25 fan speed force.......25 for force mode.......25 fan status.......16, 17, 21, 23 fo...
Page 45
Index 45 hb controller technical guide hb processor real time clock module screens.......31 day.......31 day of week.......31 hour.......31 minute.......31 month.......31 year.......31 hb processor real time clock module screens.......31 hb processor setpoint screens.......29 cooling setback.......3...
Page 46
Zone zone index 46 hb controller technical guide hvac mode.......28 hb controller main status screen.......15 hb processor board.......28 main status.......15 hvac mode deadband.......30 hb processor setpoint.......30 l led blink codes.......36 leds.......36 green led blink codes.......36 red led bl...
Page 47
Index 47 hb controller technical guide r rab position.......23 for dehumidify.......23 red led blink codes.......36 reset count.......29 hb processor board status.......29 reset counts.......16 main status.......16 return air bypass force.......26 for force mode.......26 rh terminal active.......23 ...
Page 48
2425 so. Yukon ave • tulsa, ok • 74107-2728 ph: (918) 583-2266 • fax: (918) 583-6094 aaon ® part no.: r38220 wm form: aa-hb-tgd-01f printed in the usa • copyright 2009 • all rights reserved • may 2009 wattmaster controls, inc. • 8500 nw river park drive • parkville, mo • 64152.