- DL manuals
- Smart Temp
- Thermostat
- 42158
- Installation and operation manual
Smart Temp 42158 Installation and operation manual
Summary of 42158
Page 1
1 programmable thermostat model 42158 installation and operation manual 42711-01 08-18-08.
Page 2
2.
Page 3: Table of Contents
3 table of contents important information ....................................... 5 tools 6 uninstalling the existing unit ............................ 7 installing the thermostat ................................ 12 installing the wall plate ................................ 12 connecting the wires ....
Page 4: Congratulations!
4 congratulations! Thank you for choosing a smart temp programmable thermostat. Your new smart temp thermostat will provide years of reliable service and year-round energy savings. Please read this manual before beginning installation and save this booklet for complete operation instructions. Smart ...
Page 5: Important Information
5 this thermostat is designed to work on the following heating and cooling systems: gas – standing pilot gas – electronic ignition gas – fired boilers gas – milivolt systems gas heat with add on cooling single stage heat pump - no auxilary this thermostat is not designed for multi-stage systems or m...
Page 6: Tools
6 this thermostat includes two #8 slotted screws and two wall anchors for mounting. To install your new thermostat, you will need the following supplies: flat-head screwdriver .................................................................................... Small phillips-head screwdriver ..........
Page 7: To Removal to Ensure Proper
7 notice! Do not disconnect the wires from the existing thermostat before reading these instructions. The wires must be labeled prior to removal to ensure proper reconnection..
Page 8
8 y rc g w y rc g w.
Page 9
9 1. Turn the system power off from the existing thermostat. Turn the power to the hvac system off at the main power panel or at the furnace. 2. Remove the existing thermostat cover to access the wires from the wall. (some thermostats may have multiple covers, screws or other locking devices that mu...
Page 10
10 g rc rh y w if your e xisting thermosta t is mark ed... Label the wir e with this stick: g / f g g w / h / b w/b w/ b y / c* / m / o y/0 y/ 0 rc / vc rc rc rh / r / vr / 4 rh rh 24 v olt 24 v olt cool air conditioning compressor heating fan y1 y1 y1 heat pump compressor.
Page 11
11 4. Using the provided stickers, label each wire according to the chart. (if the terminals are not labeled, contact a qualified hvac technician.) note: wire colors do not always comply with standards, so wire color should be ignored. Refer to the existing terminal designation for proper identifica...
Page 12
12 w r c y g.
Page 13: Installing The Thermostat
13 installing the thermostat installing the wall plate 1. Remove the wall plate from the new thermostat by pressing the release tab on the bottom of the thermostat. 2. Position the new wall plate on the wall and pull the labeled wires through the opening. 3. If the existing holes do not match those ...
Page 14
14 w r c y g.
Page 15
15 4. Remove the wall plate and drill two 3/16” holes where marked. 5. Tap the plastic anchors into the holes until they are flush with the wall. 6. Reposition the wall plate on the wall, pulling the wires through the opening. Insert the mounting screws through the wall plate and into the anchors. V...
Page 16
16 g rc rh y/0w/b r c g y1 y/ 0 w /b y 1 terminal shield.
Page 17: Connecting The Wires
17 installing the thermostat, cont. Connecting the wires 1. Loosen, but do not remove, the terminal screws. Note: a jumper wire has been provided, connecting the rc and rh terminals for systems that do not provide both an rh and rc wire. If you have both an rh and rc wire, remove this jumper. If you...
Page 18
18 disable enable recover y hg he w/by/o rh rc g system type std hp y1 fan option thermostat cover system switch g rc rh y/o w/b y1.
Page 19: Attaching The Thermostat
19 attaching the thermostat lift the thermostat cover and set the system switch to off and the fan switch to auto . 1. Locate the he/hg switch on the back of the thermostat. Set the switch to hg (default) for gas furnace and oil burners. Set the switch to he for electric furnaces. (the switch has no...
Page 20
20 1 2 tab.
Page 21: Work.
21 4. Place the top of the thermostat over the two tabs on the wall plate. Press the thermostat onto the wall plate and press to snap the bottom tab into place. Note: do not force the thermostat onto the wall plate, as the terminal pins may be damaged. If the thermostat does not snap into place prop...
Page 22
22 reset.
Page 23: Settings
23 the default setting of the thermostat is celsius(c o ). Notice: changing this setting will reset the thermostat to factory default programs. (if no button is pressed for 5 seconds, the unit will return to the normal display mode.) to change to faranheit (f o ): 1. Press and hold the up button. 2....
Page 24
24 day/time am pm.
Page 25: In 24 Hour Mode.
25 the default for this thermostat setting is in a 12 hour format. You can change the format to 24 hour format by pressing day/time and then program. The am/pm indicator will be off when the thermostat is in 24 hour mode. Setting day and time: 1. Press day/time . (am/pm and current hour will flash) ...
Page 26
26 am heat 4 t.
Page 27: Methods Of Operation
27 this thermostat gives you the ability to program up to 4 custom temperature settings per day or utilize pre-programmed settings. For manual operation instructions, see pages 28-31. To utilize the pre-programmed settings, see pages 32-33. To create custom programs, see pages 34-37. Methods of oper...
Page 28
28 am heat 2 th.
Page 29: 1. Manual Operation
29 1. Manual operation many people prefer to operate their thermostats manually, adjusting settings as needed. You can either temporarily override the settings for the current program, or permanently override all settings and adjust temperatures manually. If you want to only override the current pro...
Page 30
30 hold /retur n system off heat cool hold.
Page 31: Manual Operation, Cont.
31 manual operation, cont. If you want to permanently override all settings and adjust the thermostat manually: 1. Press hold/return until the hold icon appears. 2. Press and hold up or down for one second to enter manual override mode. (release the button when the display flashes.) 3. Press the up ...
Page 32: Program 1
32 program 1 heat : 20 o c cool : 26 o c program 2 heat : 16 o c cool : 29 o c program 3 heat : 20 o c cool : 26 o c program 4 heat : 16 o c cool : 28 o c 4 pm default programs chart.
Page 33: Methods Of Operation, Cont.
33 methods of operation, cont. 2. Default programs this thermostat meets energy star guidelines for energy efficiency. By using the pre-programmed settings, this thermostat can save you money by optimizing energy usage in heating and cooling. After setting the time and temperature scale, no addition...
Page 34
34 am pm program hold /retur n system off heat cool.
Page 35: Methods Of Operation, Cont.
35 methods of operation, cont. 3. Creating custom programs • program times can be set in 10 minute increments. • program temperature can be set in increments of 1 o c (1 o f). • after 15 seconds of inactivity during programming, the thermostat will return to normal display mode. • when setting the p...
Page 36
36 am pm heat cool sa 2 1 3 4 su m t w th f program hold /return system off heat cool.
Page 37: Methods Of Operation, Cont.
37 3. Press up or down to change the hour. Press program to save the hour and adjust the minute setting. 4. Press up or down to change the minute. Press program to save the minute setting and adjust the temperature. 5. Press up or down to set the temperature. Press program again to move to the next ...
Page 38
38 filter filter.
Page 39: Icons And Features
39 icons and features 1. Indiglo ® night-light - will backlight the display for easy viewing in the dark. Press any button to illuminate the light. (if no button is pressed after 5 seconds, the backlight will turn off.) note: if the thermostat shows a low battery warning, the backlight will not oper...
Page 40
40 heat cool system off heat cool reset.
Page 41: Icons And Features, Cont.
41 3. Span setting mode – allows you to adjust the system on/off cycle rate. The default setting is 2 (the system cycles on or off when the temperature is within 0.5 o c (1 o f) above and below the set temperature.) the span setting can be adjusted if your system is cycling too fast or too slowly. P...
Page 42
42 stage 1 pm cool 4 m stage 2.
Page 43: Settings Will Be Erased.
43 4. Low battery warning – indicates two stages of battery power shortage. When the batteries are detected as weak, the icon will flash until new aa alkaline batteries are installed. If the batteries become too weak for normal operation, the thermostat enters the second battery power shortage mode....
Page 44
44 hold /retur n.
Page 45: Icons And Features, Cont.
45 5. Auto recovery – allows heating and cooling systems to gradually recover from an energy-saving setpoint temperature to a comfort setpoint temperature. Auto recovery calculates the time needed to adjust the temperature to the next program setting. When the thermostat is in auto recovery mode, th...
Page 46
46.
Page 47: Icons And Features, Cont.
47 6. Error mode – indicates an unexpected battery problem. The screen will flash an err message and shut your system off until the batteries are replaced with new aa alkaline batteries. You must reset and reprogram the thermostat after replacing the batteries if the thermostat has entered error mod...
Page 48: 1. Temperature Range
48 1. Temperature range 2. Compressor protection after the system stops running in cooling mode, there will be a 3.5 minute delay before it can be restarted to prevent compressor damage due to rapid cycling. 3. Resetting the unit to restore the thermostat to the original factory settings, press the ...
Page 49: Wiring
49 wiring.
Page 50: Wiring, Cont.
50 wiring, cont..
Page 51: Wiring, Cont.
51 wiring, cont..
Page 52: Troubleshooting
52 1. My display will not come on. 1 a. Check batteries and battery connections. 1 b. Reset the thermostat. ................................................................................... 2. The auto fan feature will not operate properly. 2 a. Remove the thermostat from the wall plate and set th...
Page 53: Troubleshooting
53 5. My heating or cooling will not turn on or off. 5 a. Check the heat/cool function switch to ensure it is set to the desired position. 5 b. Wait. There may be as much as a 4-minute delay before the system turns on or off to protect the compressor. 5 c. Check the circuit breakers and switches to ...
Page 54: Troubleshooting
54 7. My system continues to operate when the thermostat is in the off position. 7 a. Replace unit. .................................................................................... 8. The lcd screen permanently reads hi, lo, or err. 8 a. Replace unit. ...............................................
Page 55
55 is there help on the web? Yes. Visit http://www.Smarttemp.Com.Au for more information or email us at support@smarttemp.Om.Au ........................................................................ Smart temp australia pty ltd unit 20, 1488 ferntree gully road knoxfield victoria 3180 tel (03) 976...