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14
For the Installer
For the following units:
S10 ERV S10 ERV-R 70E ERV 70E ERV-R
Speed Setting
The factory set speeds for these units are 100 CFM for high speed and 50 CFM for low speed. To change these settings, the
transformer's wire taps connections must be changed as follows:
Speed Connection JU1 Jumper
High Speed
100 CFM BL-BL H (1-2)
85 CFM BN-BL M (2-3)
Low Speed
65 CFM GY-R
50 CFM R-R
Defrost Setting
In cold regions (outside temperature -27°C [-17°F] and lower), it may be necessary to setup extended defrost. To do so:
1. During the first 3 seconds of the booting sequence, the integrated control LED color indicates the current defrost mode.
LED Color Defrost Mode
GREEN NORMAL (FACTORY SET)
AMBER EXTENDED
2. Within these first 3 seconds of the booting sequence, press and hold the push button until the LED starts to blink, and release
the push button; the LED will blink AMBER 5 times to indicate that unit is now set in extended defrost.
3. Finally, the LED will shut off, and turn RED (the unit resumes its booting sequence).
For the following units:
S10 ERVplus 70E+
Speed Setting
The factory set speeds for these units are 100 CFM for high speed and 50 CFM for low speed. To change these settings, the
transformer's wire taps connections must be changed as follows:
Speed Connection JU1 Jumper
High Speed
100 CFM BL-BL H (1-2)
85 CFM BN-BL M (2-3)
Low Speed
65 CFM GY-R
50 CFM R-R
Defrost Setting
These units feature three different defrost modes. Use the integrated push button to go from one defrost setting to the other. The
color of the LED indicates the defrost setting.
STANDARD Green Factory setting. The most efficient defrost cycle available on this unit, it achieves the HVI listed
performances. When needed, the unit will perform a defrost cycle at high speed.
PLUS Red Suits units located in cold regions (outside temperature -27°C [-17°F] and lower). In this setting,
the defrost cycles are performed on high speed and last longer.
DISCRETION Amber Defrost cycles are performed at the current ventilation speed.
J14
10
9
8
7
6
5
4
3
2
1
J20
12
J13
ICP
A1
ELECTRONIC
ASSEMBLY
12345
J12
J11
12
4321
J9
J10
21
F1
3A
3AG TYPE
321
JU1
MH
43215
J8
J5
J7
1
1
2
2
3
J6
1
2
J4
1
2
3
T1
24 V Class 2
9.5 V
Class 2
120 V
103 V
76 V
64 V
55 V
neutral
BK
BL
BN
GY
R
W
R
R
GY
BN
BL BL
NC
NC
Y
Y
O
O
VE0426A
R
R
GY
BN
BL BL
NC
NC
LOW SPEED
HIGH SPEED
COLOR CODE
BLACK
BLUE
BROWN
GREEN
GREY
BK
BL
BN
G
GY
ORANGE
RED
WHITE
YELLOW
O
R
W
Y
NC NO CONNECTION
J14
10
9
8
7
6
5
4
3
2
1
J20
12
J13
ICP
A1
ELECTRONIC
ASSEMBLY
12345
J12
J11
12
4321
J9
J10
21
F1
3A
3AG TYPE
321
JU1
MH
43215
J8
J5
J7
1
1
2
2
3
J6
1
2
J4
1
2
3
T1
24 V Class 2
9.5 V
Class 2
120 V
103 V
76 V
64 V
55 V
neutral
BK
BL
BN
GY
R
W
R
R
GY
BN
BL BL
NC
NC
Y
Y
O
O
VE0426A
R
R
GY
BN
BL BL
NC
NC
LOW SPEED
HIGH SPEED
COLOR CODE
BLACK
BLUE
BROWN
GREEN
GREY
BK
BL
BN
G
GY
ORANGE
RED
WHITE
YELLOW
O
R
W
Y
NC NO CONNECTION
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