NewAir Thermostat 8625 User Manual

110-1101 7/22/04 8:16 AM Page 1  
DIGITAL  
5 PROGRAMMABLE  
62  
8
®
THERMOSTAT  
G
O
OIL  
E
H
GAS  
ELECTRIC  
HEAT PUMP  
NeW  
5 - 2 Day Programmable  
2 Heat / 2 Cool  
User’s Manual  
Quick Start  
Installation and  
Programming  
2
110-1101  
As an ENERGY STAR® partner, Climate Controls Americas has determined  
that this thermostat product meets the ENERGY STAR® guidelines for  
energy efficiency.  
Application  
The Robertshaw 8625 is a multi-stage thermostat designed to control  
24 VAC heat pump systems.  
Features  
• Large back lit display.  
• Four preprogrammed ENERGY STAR® setpoints for each day of the week.  
st  
• Adjustable 1 stage temperature differential: 1.0°F to 3.0°F (0.5°C to  
1.5°C).  
nd  
• Adjustable 2 stage temperature differential: 1.0°F to 6.0°F (0.5°C to  
3.0°C).  
nd  
• Adjustable 2 stage delay (10-40 minutes).  
• Energy Efficient Recovery (EER™).  
• Residual cooling for added air conditioning efficiency.  
• Zone compatible as master thermostat.  
• Fahrenheit/Celsius display option.  
• Programmable from 45°F (4°C) to 90°F (32°C).  
• Accuracy within 1 degree.  
• Separate heating and cooling programs.  
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110-1101 7/22/04 8:16 AM Page 3  
IMPORTANT SAFETY INFORMATION WARNING:  
In heat pump applications, do not connect anything to the W1  
terminal. When switched to HP mode, W1 is connected internally  
to Y1 on the thermostat. Connect AUX heat to the W2/E terminal.  
!
1. Turn off power to heating and cooling system.  
2. Remove cover of old thermostat to expose wires. Do not  
disconnect wires. (See Figure 1)  
3. Label wires per the Wiring Table.  
4. After labeling wires, remove wires from terminals.  
5. Remove existing thermostat base from wall.  
6. Refer to the following section for instructions on how to  
install thermostat.  
Figure 1  
Installing Item 8625 Thermostat  
NOTE: FOR NEW INSTALLATIONS, MOUNT THERMOSTAT ON AN INSIDE WALL, 4-5 FEET  
ABOVE THE FLOOR. DO NOT INSTALL BEHIND A DOOR, IN A CORNER, NEAR AIR VENTS,  
IN DIRECT SUNLIGHT, OR NEAR ANY HEAT OR STEAM GENERATING FIXTURES. INSTALLATION  
AT THESE PLACES WILL AFFECT THERMOSTAT OPERATION.  
emer heat off cool  
MON  
auto on  
°
F
run/set temp vaca set  
prog hold hold clock  
emer heat off cool  
auto on  
select  
set  
MON  
°
F
1. Turn power off to the heating and cooling systems.  
2. Place EMER-HEAT-OFF-COOL in OFF position.  
Figure 2  
3. Place  
AUTO–ON switch  
into AUTO position.  
4. Remove the cover using a coin  
or screwdriver (see Figure 2).  
5. Place thermostat against the  
wall at desired location. Make  
sure wires will feed through  
opening on base of thermostat.  
n
o
to  
u
a
l
o
o
ff  
o
c
t
a
e
h
°
F
N
O
M
t
k
c
e
s
lo  
c
c
ld  
o
a
v
set  
p
m
te  
t
h
e
g
/s  
n
p
ld  
o
u
r
h
o
r
select  
3
 
110-1101 7/22/04 8:16 AM Page 4  
Figure 3  
Mounting Holes  
MON  
°
F
C
Y2  
W2/E  
R
L
G
O
B
Y1 W1  
ELECTRIC/GAS SWITCH  
Selects fan control.  
HP OPTION SWITCH  
Heat pump switch.  
6. Mark placement of mounting holes (see Figure 3). Set base aside.  
7. Drill the marked holes using a 3/16” (5mm) drill bit. NOTE: Enclosed  
plastic anchors do not require a drilled hole for drywall.  
8. Tap plastic anchors into the wall.  
9. Align base with plastic anchors and feed wires through opening (see  
Figure 3).  
10. Secure base to wall with supplied screws.  
11. Connect wires to terminal strip. Refer to wiring diagrams on page 5.  
Make sure wire connections are secure.  
12. Place Electric/Gas switch into either the ELEC or GAS position  
depending on the type of furnace (see Figure 3).  
13. Place the HP option switch into either the NON_HP or HP position  
depending on the type of system you are using (see Figure 3). Use  
the HP position for heat pumps ONLY. Use the NON_HP setting for  
everything else.  
14. Replace cover on thermostat by snapping into place.  
15. Turn on power to system. Test thermostat as described in the  
section To Test Thermostat.  
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110-1101 7/22/04 8:16 AM Page 5  
Wiring Diagrams  
The following is just a sample of the most common types of HVAC  
systems. Refer to your system’s installation manual for wiring information.  
HEAT ONLY  
3-WIRE  
SINGLE TRANSFORMER  
HEAT/COOL  
4-WIRE  
SINGLE TRANSFORMER  
R
R
T
T
Transformer  
Transformer  
C
H
H
E
Hot  
120 VAC  
Hot  
120 VAC  
C
E
R
M
O
S
T
24 VAC  
24 VAC  
Heating  
Control  
Heating  
Control  
R
M
O
S
T
W1  
W1  
Y1  
Cooling  
Control  
Y1  
Fan  
G
O
B
Fan  
Control  
G
O
A
T
A
T
Control  
B
Y2  
Y2  
W2/E  
W2/E  
HEAT ONLY  
2-WIRE  
SINGLE TRANSFORMER  
COOL ONLY  
3-WIRE  
SINGLE TRANSFORMER  
R
R
Transformer  
Transformer  
T
T
C
C
Hot  
Hot  
H
H
24 VAC  
120 VAC  
24 VAC  
120 VAC  
Heating  
Control  
E
R
M
O
S
T
E
R
M
O
S
T
W1  
Y1  
W1  
Y1  
Cooling  
Control  
G
O
Fan  
G
O
Control  
B
A
T
A
T
B
Y2  
Y2  
W2/E  
W2/E  
HEAT/COOL  
2 STAGE  
R
T
Transformer  
Hot  
120 VAC  
H
E
R
M
O
S
T
C
L
24 VAC  
First Stage  
Heat  
W1  
Y1  
B
First Stage  
Cool  
A
T
O
Fan  
G
Control  
Second  
Y2  
W2/E  
Stage Cool  
Second  
Stage Heat  
HEAT PUMP WIRING DIAGRAMS  
HEAT PUMP WITH  
COOL ACTIVE  
REVERSING VALVE  
HEAT PUMP WITH  
HEAT ACTIVE  
REVERSING VALVE  
R
R
T
T
Transformer  
Hot  
120 VAC  
Transformer  
Hot  
120 VAC  
C
C
H
E
R
M
O
S
T
H
E
R
M
O
S
T
24 VAC  
24 VAC  
W1  
Y1  
W1  
Y1  
Compressor  
Contactor  
Compressor  
Contactor  
Fan  
Fan  
G
G
O
Relay  
Relay  
Reversing  
Valve  
O
B
A
T
A
T
Reversing  
Valve  
B
Y2  
Y2  
W2/E  
W2/E  
NOTE: When switched to HP mode,  
W1 is connected internally to Y1.  
NOTE: When switched to HP mode,  
W1 is connected internally to Y1.  
HEAT PUMP + AUX COOL  
COOL ACTIVE  
REVERSING VALVE  
HEAT PUMP + AUX HEAT  
HEAT ACTIVE  
REVERSING VALVE  
R
R
T
T
Transformer  
Transformer  
H
H
Hot  
120 VAC  
Hot  
120 VAC  
C
L
C
L
24 VAC  
E
R
M
O
S
T
24 VAC  
E
R
M
O
S
T
Compressor  
Compressor  
W1  
Y1  
B
W1  
Y1  
B
Fault Output  
(24VAC)  
Fault Output  
(24VAC)  
Compressor  
Contactor  
Compressor  
Contactor  
Reversing  
Valve  
A
T
A
T
Reversing  
Valve  
O
O
Fan  
Fan  
G
G
Control  
Control  
Second  
Second  
Y2  
W2/E  
Y2  
W2/E  
Stage Cool  
Stage Cool  
Aux/Emer  
Heat  
Aux/Emer  
Heat  
NOTE: When switched to HP mode,  
W1 is connected internally to Y1.  
NOTE: When switched to HP mode,  
W1 is connected internally to Y1.  
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110-1101 7/22/04 8:16 AM Page 6  
To Test Thermostat  
WARNING: DO NOT SHORT (JUMPER) ACROSS TERMINALS OF GAS  
VALVE OR SYSTEM CONTROL TO TEST OPERATION. THIS WILL  
DAMAGE THE THERMOSTAT AND VOID YOUR WARRANTY.  
CAUTION: DO NOT SWITCH SYSTEM TO COOL IF THE TEMPERATURE  
IS BELOW 50°F (10°C). THIS CAN DAMAGE THE AIR  
CONDITIONING SYSTEM AND CAUSE PERSONAL INJURY.  
1. Place the EMER-HEAT-OFF-COOL switch into  
the COOL position. The will be displayed.  
2. Press the button until the temperature  
emer heat off cool  
setting is at least 3 degrees below the room  
temperature. The air conditioning system should turn on within a  
few seconds.  
NOTE: ONCE THE THERMOSTAT TURNS OFF WHEN IN THE COOL MODE,  
A BUILT IN 5-MINUTE DELAY PREVENTS THE SYSTEM FROM  
TURNING ON AGAIN. THIS PROTECTS THE COMPRESSOR. NO  
ADDITIONAL TIME DELAY RELAY IS REQUIRED. TO OVERRIDE THE  
5-MINUTE DELAY FOR INSTALLATION, PRESS THE RESET BUTTON.  
3. Put the EMER-HEAT-OFF-COOL switch into the  
OFF position. The air conditioning system  
should turn off.  
emer heat off cool  
4. Put the EMER-HEAT-OFF-COOL switch into the  
HEAT position. The will be displayed.  
5. Press the button until the temperature  
emer heat off cool  
setting is at least 3 degrees above room  
temperature. The heating system should turn on. The fan may  
not turn on immediately, depending on the fan delay built into  
the furnace.  
NOTE: If HP is selected, the heat will not come on until the 5 minute  
short cycle protection has expired.  
6. Put the EMER-HEAT-OFF-COOL switch into the  
EMER position. The  
will be displayed.  
7. Press the button until the temperature  
setting is at least 3 degrees above room  
emer heat off cool  
temperature. The secondary heating system should turn on.  
NOTE: The compressor will not turn when in emergency heat mode.  
8. Put the EMER-HEAT-OFF-COOL switch into the  
OFF position. The heating system should turn  
off. The fan may continue to run for a short  
period of time.  
emer heat off cool  
9. Put the  
AUTO-ON switch into the ON position.  
The blower fan should turn on. The display will  
show a  
.
auto on  
auto on  
10. Put the  
AUTO-ON switch into the AUTO position.  
The blower fan should turn off.  
6
 
110-1101 7/22/04 8:16 AM Page 7  
Programming Guide  
o on  
emer heat off cool  
MON  
auto on  
°
F
Cursor  
run/set temp vaca set  
prog hold hold clock  
select  
set  
set  
clock  
run/set temp vaca  
prog hold hold  
select  
set  
SETTING TIME OF DAY AND  
DAY OF WEEK  
MON = MONDAY  
TUE = TUESDAY  
WED = WEDNESDAY  
THU = THURSDAY  
FRI = FRIDAY  
1. Press SELECT until the cursor is  
over SET CLOCK. Press SET. The  
HOURS segment will be blinking.  
Use the or button to adjust  
the time. NOTE: The AM or PM  
indicator will change as the  
HOURS display rolls through a 24  
hour cycle.  
SAT = SATURDAY  
SUN = SUNDAY  
2. Press SET. The MINUTES segment will be blinking. Use the or  
button to adjust the MINUTES setting.  
3. Press SET. The DAY segment will be blinking at the top of the  
display. Use the or button to adjust the day of the week.  
Press SET.  
PROGRAMMING YOUR THERMOSTAT  
The 8625 thermostat features 1-button programming. Simply follow these  
steps to customize your thermostat for your lifestyle.  
1. Place the HEAT-OFF-COOL switch into the HEAT position. Make sure  
the cursor is in the RUN/SET PROG position. Press SET. The HOURS  
segment will be blinking. MON thru FRI  
(the work week) will be displayed across  
the top. AM1 will be illuminated in the  
lower right hand corner. You can now  
start programming the first event of the  
work week.  
2. Use the or button to adjust the hour of the first event. Press  
SET.  
3. The MINUTES segment will be blinking. Use the or button to  
adjust the minutes. Press SET.  
4. The temperature should be blinking. Use the or button to  
adjust the desired temperature of the first event. Press SET.  
5. AM2 should now be displayed. Repeat  
steps 2-4 to program the remaining events  
(PM1 and PM2) for the work week. There  
are a total of 4 events.  
7
 
110-1101 7/22/04 8:16 AM Page 8  
6. After pressing SET for the 4th event, the  
day of the week along the top will switch  
to SAT SUN and AM1 will be displayed.  
Repeat steps 2-4 to program the  
weekend settings.  
7. With the weekend settings programmed, place the HEAT-OFF-COOL  
switch in the COOL position. Repeat steps 2-6 to program the  
cooling settings.  
CUSTOMIZING THE THERMOSTAT  
Settings  
System  
Cool: The thermostat controls the cooling.  
Off: The heating and cooling systems are off.  
Heat: The thermostat controls the heat.  
Emer: The thermostat controls the second stage emergency heat. Use  
only when the primary stage of heat is not functioning or requires  
service. The display will show CHECK HP  
when the heat pump requires service.  
Fan  
Auto: Equipment controls the fan.  
On: The fan operates continuously.  
Temperature Differential  
st  
The temperature differential for 1 stage is factory set at 1.0°F (.5°C). This  
means that whenever the room temperature changes by one degree  
Fahrenheit from the temperature setting, the system will turn on. If the sys-  
tem turns on too often, increase the temperature differential.  
nd  
NOTE: The temperature differential for 2 stage is factory set at  
2.0°F (1.0°C)  
Changing Fahrenheit (°F) to Celsius (°C), Clock Setting, Temperature  
Differential, and Filter Monitor  
1. The thermostat is preset to display the  
temperature in degrees Fahrenheit (US  
models) or degrees Celsius (Canadian  
models). The temperature display can be  
changed. Press and hold both the  
SELECT and SET buttons for three seconds. The display will flash  
either an F or C. Release buttons. Press the or button to switch  
the display.  
2. Press SET. The display will switch to the clock setting.  
3. The display will read CLOC. Use the  
or button to toggle between 12 or 24  
for the clock setting.  
4. Press SET. The display will switch to the  
st  
differential setting for 1 stage heating  
and cooling.  
5. The display will read diFF.  
Press the or button to adjust the  
differential up or down.  
8
 
110-1101 7/22/04 8:16 AM Page 9  
nd  
6. Press SET. The display will switch to the differential setting for 2  
stage heating and cooling.  
7. The display will read diF2. Press the  
or button to adjust the differential up  
or down.  
8. Press SET. The display will switch to the  
differential delay.  
9. The display will read dLY2.  
The differential delay is the length of time  
(in minutes) from when the 1st stage  
engages, until the 2nd stage engages to  
assist in heating or cooling. Press the  
or button to adjust the delay up or down.  
10. Press SET. The display will switch to the Energy Efficient  
Recovery (EER™) setting.  
11. The display will read EER. When turned  
on, the thermostat will look ahead to  
determine when to turn on the  
heating/cooling system in order to reach  
the desired temperature at the desired  
time. Press the or button to turn EER on or off.  
12. Press SET. The display will switch to the filter monitor setting.  
13. CHECK FILTER and the length of hours for  
the filter monitor will be displayed.  
14. Use the or to adjust the filter timer  
from 0 (OFF) to 9900 hours. NOTE: The  
filter timer is based on equipment run  
time. Select the length of time based on the recommended service  
interval for your filter.  
15. Press SET to return to normal operation.  
Begin Programmed Operation  
1. Make sure the cursor is above RUN/SET PROG.  
2. Place  
AUTO–ON switch into AUTO.  
3. Place HEAT-OFF-COOL switch into COOL or HEAT depending on  
the season.  
emer heat off cool  
MON  
auto on  
emer heat off cool  
auto on  
°
F
MON  
°
run/set temp vaca set  
prog hold hold clock  
select  
set  
run/set temp vaca se  
prog hold hold cloc  
select  
Temporary Program Hold  
You can temporarily increase or decrease the temperature and hold it for  
3 hours or until the next program event, whichever comes first.  
1. Press the or button. The temperature will blink. Using the  
or button, adjust the temperature to the desired level.  
2. Press SET.  
9
 
110-1101 7/22/04 8:16 AM Page 10  
Another way to select a temporary hold is:  
1. Press SELECT until the cursor is over TEMP HOLD. Press SET.  
The temperature will be blinking. Use the or button to change  
the temperature.  
2. Press SET.  
To cancel a temporary hold, press SELECT until the cursor is above  
RUN/SET PROG. Press SET.  
Vacation Hold  
You can set your thermostat to hold a desired temperature for 1-365 days.  
Vacation hold terminates at midnight of the last day. The thermostat  
returns to normal operation the next day at 12:01 AM.  
1. Press SELECT until the cursor is over VAC HOLD. Press SET. The  
temperature will be blinking. Use the or button to change the  
temperature.  
2. Press SET. 7d will be displayed. Use the or button to adjust  
between 1 and 365 days.  
3. Press SET.  
To cancel a vacation hold, press SELECT until the cursor is above  
RUN/SET PROG. Press SET.  
Check Filter Reset  
Once the filter timer has expired,  
CHECK FILTER will turn on and stay  
on. To clear the message and reset the  
timer:  
1. Press SELECT and SET and hold for  
3 seconds. CLr will appear in the  
time display.  
2. Press any key to clear the message.  
The display will transition to the tem-  
perature scale display. See step 4 in  
CUSTOMIZING YOUR THERMOSTAT.  
3. No further input is needed. Within a few seconds, the display will  
return to the normal operating mode.  
Reset  
The RESET button is located above the upper left corner of the display.  
Only use the reset feature if the thermostat is malfunctioning.  
RESET  
BUTTON  
MON  
°
F
C
Y2  
W2/E  
R
L
G
O
B
Y1 W1  
10  
 
110-1101 7/22/04 8:16 AM Page 11  
Troubleshooting  
Symptom  
Remedy  
Thermostat does not turn  
on system.  
Check wiring.  
(See Installing Item 8625  
Thermostat)  
Thermostat turns on and off too  
frequently.  
Increase temperature differential.  
(See Programming Guide)  
System fan does not operate  
properly.  
Move the Electric/Gas switch to  
either gas or electric, to match  
system. (See Installing Item  
8625 Thermostat)  
Time shown on display is not the  
current time of day.  
Change time of day setting.  
(See Programming Guide)  
Thermostat does not  
follow program.  
Thermostat may not have been  
programmed in HEAT or COOL  
position. Verify program.  
Check AM/PM indicators at time  
of day and programmed time  
changes.  
(See Programming Guide)  
Verify program and day of week  
are correct.  
(See Programming Guide)  
If problems with thermostat cannot be resolved, call:  
Technical Support: (800) 445-8299  
Monday-Friday 7:30-5:30 CST  
For after hours service, a 24-hour  
automated help line is available.  
For warranty returns, send thermostat, shipping prepaid to:  
Climate Controls Americas  
Warranty Department  
515 South Promenade Avenue  
Corona, CA 91719  
11  
 
110-1101 7/22/04 8:16 AM Page 12  
TWO-YEAR LIMITED WARRANTY  
Climate Controls Americas warrants to the original contractor  
installer or to the original consumer user, each new Robertshaw thermo-  
stat to be free from defects in materials and workmanship under normal  
use and service for a period of two (2) years from date of purchase. This  
warranty and our liability does not apply to batteries or merchandise that  
has been damaged by misuse, neglect, mishandling, alterations, improper  
installation, or use in a way other than in accordance with Climate  
Controls Americas recommendations and instructions.  
Climate Controls Americas agrees to repair or replace at its option  
any thermostat under warranty provided it is returned within the warranty  
period, postage prepaid, with proof of the date of purchase. Cost of ther-  
mostat removal or reinstallation is not the responsibility of Climate  
Controls Americas.  
Repair or replacement as provided under this warranty is the exclusive  
remedy of the consumer. Climate Controls Americas shall not be liable  
for any incidental or consequential damages for breach of any express or  
implied warranty on this product, or under any other theory of liability.  
Except to the extent prohibited by applicable law, any implied warranty of  
merchantability or fitness for a particular purpose on this product is limit-  
ed to the duration of this warranty.  
Some states do not allow the exclusion or limitation of incidental or con-  
sequential damages, or allow limitations on how long an implied warranty  
lasts, so the above limitations or exclusions may not apply to you. This  
warranty gives you specific legal rights, and you may also have other  
rights which vary from state to state.  
Climate Controls Americas  
191 E. North Avenue  
Carol Stream, Illinois 60188  
United States of America  
©2004 Climate Controls Americas  
110-1101  
12  
 

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