SCI ERV-24-SUPER User manual

Owner’s Manual
ERV-24-SUPER
With FanCycler®
Doylestown, PA 1 902 USA
Phone: [phone] - Fax: [phone]
Email: [email protected] - www.scillc.com
Cat. P048046
Rev. 2.4 07.06

Protected by one or more of the following patents:
US 5,547,017; 5, 1, 06; 6,431,26 ; CA 2,245,135
Please read this manual carefully before installation and use.
Index
Operating manual 1
On/Off 1.1
M de selecti n 1.2
Temperature adjustments 1.3
L cking the therm stat’s butt ns 1.4
Pr gramming 2
Therm stat display 2.1
Pr gramming defaults 2.2
Step by step pr gramming chart 2.3
Overriding set temperature 2.4
Putting the pr gram n h ld 2.5
RT04 – Rem te C ntr l Unit 3
2

1. Operating Manual
1.1 On/Off button
•Press the On/Off butt n t activate the therm stat - The w rd "ON" will
appear n the display next t the measured temperature.
•Press and h ld (4 sec) the On/Off butt n t deactivate the therm stat - The
w rd "OFF" will appear n the display.
1.2 Select button
1.2.1 System Mode (Cool, Heat, Cool/Heat, Fan)
•Press the Select butt n nce.
•Use the (+) r (-) butt ns t switch between m des:
oC l –“C l” will appear n the display.
oHeat –“Heat” will appear n the display.
oEmergency Heat –“E.Heat” will appear n the display (Available in HP type
nly).
oIn Emergency Heat, the heating element will turn n and the c mpress r will
turn ff.
3

oThis pti n is suitable f r very c ld days when the heat pump is active in
heat.
oC l/Heat (Aut change- ver) – C l” and “Heat” will appear n the display.
oFan –“Fan” will appear n the display.
4

1.2.2 Fan Mode
•Press the Select butt n a sec nd time.
•Use the (+) r (-) butt ns t switch between fan m des:
oFan – “Fan” will appear n the display - The fan
will w rk c ntinu usly.
oAut Fan – “Aut Fan” will appear n the display -
The fan will w rk depending n c ling r heating demand.
•Press the Select butt n a third time t exit t n rmal display m de.
The unit will aut matically return t n rmal display m de if n changes are made
within 30 sec nds.
5

1.3 Temperature set-point adjustment
In Cool mode
•Press the (+) r (-) butt ns - the temperature will flash and “COOL”
and “SET” will appear n the display.
•Change the c ling set-p int temperature using the (+) r (-) butt ns.
•Press the Select butt n t exit r wait t return t n rmal display
m de.
In Heat mode
•Press the (+) r (-) butt ns - the temperature will flash and “HEAT” and
“SET” will appear n the display.
•Change the heating set-p int temperature using the (+) r (-) butt ns.
•Press the Select butt n t exit r wait t return t n rmal display
m de.
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In Cool/Heat mode (Auto change-over)
•Press the (+) r (-) butt ns - the temperature will flash and “COOL” and “SET” will
appear n the display.
•Change the c ling set-p int temperature using the (+) r (-) butt ns.
•Press the Select butt n again r wait - the temperature will flash and “HEAT” and
“SET” will appear n the display.
•Change the heating set-p int temperature using the (+) r (-) butt ns.
•Press the Select butt n again r wait t return t n rmal display m de.
The therm stat keeps a minimum differential f at least 2 degree between the Heat
set-p int and the C l set-p int, with Heat always being less than C l.
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1.4 Locking the Thermostat’s Buttons
L ck the therm stat’s butt ns t prevent any unwanted changes by an unauth rized pers n.
Lock the thermostat
•Press the On/Off butt n t turn the therm stat ON.
•Press and h ld (15 sec.) the Select butt n until “LOC” appears n the display.
Unlock the thermostat
•Press and h ld (15 sec.) the Select butt n until “UnLO” appears n the display.
•Press the Select butt n 2 m re times t exit t n rmal display m de.
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2. Programming
The therm stat is 5-1-1 pr grammable:
5-M nday thr ugh Friday, 1-Saturday, and 1-Sunday all have individual pr grams.
There are f ur pr gram peri ds per day: 1-Wake, 2-Day, 3-Return, 4-Sleep
If y u want t perate the therm stat manually, with ut the pr gram, y u can easily disable
pr gramming.
T disable the pr gram, press and h ld (5 sec nds) the Prog butt n – the w rd Pr gram will
disappear fr m the display. T re-enable the pr gram, press and h ld the Prog butt n again. See
Secti n 2.5 bel w.
N te: If the therm stat was setup t be N n-Pr grammable by the installing technician,
c ntact the installer, r refer t the Technician Settings d cument f r enabling the Pr gram via
the internal DIP switch.
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Bef re pr gramming y ur therm stat y u sh uld be familiar with the display f the unit:
2.1 Thermostat Display
1. Temperature digits
The n rmal display will sh w the temperature in the r m.
When (+) r (-) is pressed, it will flash and sh w the set-p int
f r the selected system m de.
2. Days of the week
When setting the pr gram, it will display the peri d that y u
are setting.
Example: When display sh ws: MON-TUE-WED-THU-FRI,
y u are setting the weekdays pr gram.
(The pr gram will repeat n each f these days).
In n rmal display m de, nly the actual day f the week will be displayed.
3. Real time clock, AM/PM
N te: When changing the pr gram, "COOL" r "HEAT" will be displayed in place f the time t
indicate which system m de y u are setting the temperature f r.
4. Program period (the one currently being adjusted will be indicated)
•Wake 1st pr gram f day.
•Day 2nd pr gram f day.
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Cool
Heat
Auto
Fan
o
F
Program: wake
DayReturnSleep
SuMoTuWeThFrSa
Set
ON
OFF
AM
PM
1
2
3
4
5
6
7
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•Return 3rd pr gram f day.
•Sleep 4th pr gram f day
5. Set Temperature
When changing the temperature set-p int, the temperature digits will flash, and "Set" will
appear n the display.
6. On/Off
The therm stat is active r n t.
7. System Modes
Heat: Heating m de; C l: C ling m de; if b th Heat and C l are displayed, that is Aut
change- ver m de; Fan: C ntinu us Fan m de.
The current active m de will flash when the equipment is perating.
. Fan Mode
When the display sh ws "Aut Fan" - the Fan will perate aut matically with heating and c ling.
When the display sh ws "Fan" – the Fan will perate c ntinu usly.
Normal display
In n rmal display m de, the display will sh w:
•Ambient temperature in the r m
•Therm stat ON r OFF
•Current day f the week
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•Current time f day
•Current active pr gram peri d
•System M de
•Fan M de.
2.2 Programming defaults from the factory.
Monday to Friday 1 (Wake) 2 (Day) 3 (Return) 4 (Sleep)
Start time 6:30 AM 8:00 AM 5:30 PM 10:00 PM
C l Set-p int 78°F 85°F 78°F 82°F
Heat Set-p int 70°F 62°F 70°F 62°F
Saturday & Sunday 1 (Wake) 2 (Day) 3 (Return) 4 (Sleep)
Start time 7:30 AM 12:30 PM 6:00 PM 11:30 PM
C l Set-p int 76°F 74°F 72°F 78°F
Heat Set-p int 70°F 70°F 70°F 65°F
•The f ll wing chart will help t simplify making n rmal adjustments
(System M de, Fan M de) and setting the pr gram.
•We rec mmend that y u fill ut the chart BEFORE setting the weekly
pr gram.
•On the chart, select a c ling and a heating set-p int temperature.
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•Remember t keep a safe differential between Heat and C l f r Aut
change- ver.
•The display will sh w the pr gram (weekday, Saturday r Sunday).
•If n key is pressed f r 30 sec nds, the therm stat will return t n rmal
display m de.
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P r o g r a m m i n g
A d j u s t C l o c k
S e t t i n g s - H o u r s
A d j u s t C l o c k
S e t t i n g s - M i n u t e s
A d j u s t C l o c k -
D a y o f t h e w e e k
2
H e a t T e m p .
1
P r o g r a m N o .
H o u r M i n u t e s C o o l T e m p .
P r o g r a m N o .
H o u r M i n u t e s
a k e
D a y
H e a t T e m p .
C o o l T e m p .
2.3 Step by step program chart.
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4
P r o g r a m N o .
H o u r M i n u t e s
P r o g r a m N o .
H o u r M i n u t e s
S a t u r d a y a n d
S u n d a y
p r o g r a m m i n g
R e t u r n
S l e e p
H e a t T e m p .
C o o l T e m p .
H e a t T e m p .
C o o l T e m p .
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Follow the steps above to set the programs for Saturday and
Sunday.
At any time during the programming you may exit to normal display mode by
pressing the Select button.
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2.4 Manually override the set-point temperature:
Y u can manually verride the set-p int temperature f the current pr gram peri d with ut stepping int
the pr gramming pr cedure. When y u verride the set-p int, it will nly be applicable until the end f the
current pr gram peri d. T change the set-p int temperature at any time, press the (+) r (-) butt ns until
the temperature y u desire appears n the display. The new temperature will be retained until the next
pr gram peri d starts.
Also see the illustrated steps described in section 1.3 to override the programmed set-point
temperature.
When overriding a program period – no program period name will appear on the
display.
2.5 Putting the program on hold
The therm stat can be perated manually – with ut the pr gram – at anytime, and the pr gram can be
reactivated again anytime later.
Putting the program on hold
The therm stat must be turned “ON”
Press and h ld (5 sec nds) the Prog butt n until the h urs n the display st p flashing.
The w rd “Pr gram” will disappear fr m the display.
Reactivate the program
Press and h ld (5 sec nds) the Prog butt n until the h urs n the display st p flashing.
The w rd “Pr gram” will appear n the display.
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N te: The therm stat will remain in Override m de until the next pr gram peri d begins.
3. RT04 - Hand held remote control – Option – Purchase separately
3.1 General
This rem te c ntr l is Infrared; the rem te must be p inted at the
therm stat t perate.
Every time y u change a parameter in the Rem te C ntr l, y u must send it
t the therm stat by pressing the On/Send butt n.
Every time that the inf rmati n is sent t the therm stat, the Back Light will
turn ON f r a few sec nds.
3.2 Operating Manual
On/Send,Off
•Press the On/Send t activate the air c nditi ner and/ r updating inf rmati n.
•Press OFF t turn the therm stat ff and update inf rmati n.
When sending information to the thermostat – the remote
control must point towards the thermostat.
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Fan:
•Press Fan butt n t change between:
FAN ON ( ) r AUTO FAN (A).
•Press the On/Send butt n t send inf rmati n t the therm stat.
Mode:
•Press Mode butt n t change between:
COOL, HEAT, AUTO CHANGE and FAN ONLY.
•Press the On/Send butt n t send inf rmati n t the therm stat.
Temperature Set Point:
Cool Mode:
•Press the set butt ns (+) r (-).
“COOL” & digits will flash.
•Select the desired temperature.
•Press the On/Send butt n t send inf rmati n t the therm stat.
Heat Mode:
•Press the set butt ns (+) r (-).
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•“HEAT” & digits will flash.
•Select the desired temperature.
•Press the On/Send butt n t send inf rmati n t the
therm stat.
Auto Change Mode:
•Press the adjustment butt ns (+) r (-)
•“COOL” and “SET TEMP” will flash.
•Set c ling with (+) r (-) butt ns.
•Press the Select butt n.
•“HEAT” and “SET TEMP” will flash.
•Set the heating set p int with (+) r (-) butt ns.
•Press the Select butt n again r Press the
On/Send butt n t send inf rmati n t the
therm stat.
The thermostat keeps a minimum differential of at least 1 degree between Heat set
and Cool set (Heat is always less than Cool).
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