1. T
S
ECHNICAL
UPPORT
F
,
OR ASSISTANCE
CALL ON WEEKDAYS
NOTE: T
HIS PHONE NUMBER IS STRICTLY RESERVED FOR INSTALLERS USE ONLY
2. T
D
ECHNICAL
ATA
2.1 A
D
IR
ISTRIBUTION
T
P
OP
ORTS
F
RESH AIR
TO BUILDING
S
TALE AIR
FROM
BUILDING
U
NIT
VF0051
2.2 D
C
EFROST
YCLES
ERV70T
O
D
UTDOOR
EFROST
T
(
EMPERATURE
MINUTES
°F
D
EFROSTING
23
7
5
7
-17
7
* In a cold region (outdoor temperature -17°F and lower), it may be necessary to setup EXTENDED DEFROST. See Section 5.3.
(
)
FOR ASSISTANCE
, 8:30 AM
5:00 PM (E
TO
U
NITS
S
TALE AIR
TO OUTDOORS
F
RESH AIR
FROM OUTDOORS
F
RONT
ERV70S U
AND
NITS
C
E
YCLES
XTENDED
)
C
YCLES
O
PERATION
D
BETWEEN EACH
EFROSTING
DEFROST CYCLE
22
7
22
7
15
7
S
T
).
ASTERN
TANDARD
IME
. D
O NOT CALL THIS NUMBER TO ORDER PARTS
1-800-558-1711 (
TOLL FREE
F
RESH AIR
TO BUILDING
S
TALE AIR
FROM
BUILDING
HRV80S, HRV80T, HRV90S
D
*
O
EFROST
UTDOOR
(
)
T
MINUTES
EMPERATURE
O
PERATION
°F
BETWEEN EACH
DEFROST CYCLE
15
23
15
5
12
-17
4
)
S
P
U
IDE
ORTS
NITS
U
F
NIT
RONT
D
C
EFROST
YCLES
(
)
MINUTES
O
PERATION
D
EFROSTING
BETWEEN EACH
DEFROST CYCLE
5
30
5
20
7
15
.
S
TALE AIR
TO OUTDOORS
F
RESH AIR
FROM
OUTDOORS
HRV90T U
AND
NITS
E
D
*
XTENDED
EFROST
C
(
)
YCLES
MINUTES
O
PERATION
D
EFROSTING
BETWEEN EACH
DEFROST CYCLE
6
20
6
15
7
12